Sample records for integrity checking limitations

  1. CheckMATE 2: From the model to the limit

    NASA Astrophysics Data System (ADS)

    Dercks, Daniel; Desai, Nishita; Kim, Jong Soo; Rolbiecki, Krzysztof; Tattersall, Jamie; Weber, Torsten

    2017-12-01

    We present the latest developments to the CheckMATE program that allows models of new physics to be easily tested against the recent LHC data. To achieve this goal, the core of CheckMATE now contains over 60 LHC analyses of which 12 are from the 13 TeV run. The main new feature is that CheckMATE 2 now integrates the Monte Carlo event generation via MadGraph5_aMC@NLO and Pythia 8. This allows users to go directly from a SLHA file or UFO model to the result of whether a model is allowed or not. In addition, the integration of the event generation leads to a significant increase in the speed of the program. Many other improvements have also been made, including the possibility to now combine signal regions to give a total likelihood for a model.

  2. Identifying professionals' needs in integrating electronic pain monitoring in community palliative care services: An interview study.

    PubMed

    Taylor, Sally; Allsop, Matthew J; Bekker, Hilary L; Bennett, Michael I; Bewick, Bridgette M

    2017-07-01

    Poor pain assessment is a barrier to effective pain control. There is growing interest internationally in the development and implementation of remote monitoring technologies to enhance assessment in cancer and chronic disease contexts. Findings describe the development and testing of pain monitoring systems, but research identifying the needs of health professionals to implement routine monitoring systems within clinical practice is limited. To inform the development and implementation strategy of an electronic pain monitoring system, PainCheck, by understanding palliative care professionals' needs when integrating PainCheck into routine clinical practice. Qualitative study using face-to-face interviews. Data were analysed using framework analysis Setting/participants: Purposive sample of health professionals managing the palliative care of patients living in the community Results: A total of 15 interviews with health professionals took place. Three meta-themes emerged from the data: (1) uncertainties about integration of PainCheck and changes to current practice, (2) appraisal of current practice and (3) pain management is everybody's responsibility Conclusion: Even the most sceptical of health professionals could see the potential benefits of implementing an electronic patient-reported pain monitoring system. Health professionals have reservations about how PainCheck would work in practice. For optimal use, PainCheck needs embedding within existing electronic health records. Electronic pain monitoring systems have the potential to enable professionals to support patients' pain management more effectively but only when barriers to implementation are appropriately identified and addressed.

  3. Microspheres as resistive elements in a check valve for low pressure and low flow rate conditions.

    PubMed

    Ou, Kevin; Jackson, John; Burt, Helen; Chiao, Mu

    2012-11-07

    In this paper we describe a microsphere-based check valve integrated with a micropump. The check valve uses Ø20 μm polystyrene microspheres to rectify flow in low pressure and low flow rate applications (Re < 1). The microspheres form a porous medium in the check valve increasing fluidic resistance based on the direction of flow. Three check valve designs were fabricated and characterized to study the microspheres' effectiveness as resistive elements. A maximum diodicity (ratio of flow in the forward and reverse direction) of 18 was achieved. The pumping system can deliver a minimum flow volume of 0.25 μL and a maximum flow volume of 1.26 μL under an applied pressure of 0.2 kPa and 1 kPa, respectively. A proof-of-concept study was conducted using a pharmaceutical agent, docetaxel (DTX), as a sample drug showing the microsphere check valve's ability to limit diffusion from the micropump. The proposed check valve and pumping concept shows strong potential for implantable drug delivery applications with low flow rate requirements.

  4. Poster — Thur Eve — 17: In-phantom and Fluence-based Measurements for Quality Assurance of Volumetric-driven Adaptation of Arc Therapy

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Schaly, B; Hoover, D; Mitchell, S

    2014-08-15

    During volumetric modulated arc therapy (VMAT) of head and neck cancer, some patients lose weight which may result in anatomical deviations from the initial plan. If these deviations are substantial a new treatment plan can be designed for the remainder of treatment (i.e., adaptive planning). Since the adaptive treatment process is resource intensive, one possible approach to streamlining the quality assurance (QA) process is to use the electronic portal imaging device (EPID) to measure the integrated fluence for the adapted plans instead of the currently-used ArcCHECK device (Sun Nuclear). Although ArcCHECK is recognized as the clinical standard for patient-specific VMATmore » plan QA, it has limited length (20 cm) for most head and neck field apertures and has coarser detector spacing than the EPID (10 mm vs. 0.39 mm). In this work we compared measurement of the integrated fluence using the EPID with corresponding measurements from the ArcCHECK device. In the past year nine patients required an adapted plan. Each of the plans (the original and adapted) is composed of two arcs. Routine clinical QA was performed using the ArcCHECK device, and the same plans were delivered to the EPID (individual arcs) in integrated mode. The dose difference between the initial plan and adapted plan was compared for ArcCHECK and EPID. In most cases, it was found that the EPID is more sensitive in detecting plan differences. Therefore, we conclude that EPID provides a viable alternative for QA of the adapted head and neck plans and should be further explored.« less

  5. Timing analysis by model checking

    NASA Technical Reports Server (NTRS)

    Naydich, Dimitri; Guaspari, David

    2000-01-01

    The safety of modern avionics relies on high integrity software that can be verified to meet hard real-time requirements. The limits of verification technology therefore determine acceptable engineering practice. To simplify verification problems, safety-critical systems are commonly implemented under the severe constraints of a cyclic executive, which make design an expensive trial-and-error process highly intolerant of change. Important advances in analysis techniques, such as rate monotonic analysis (RMA), have provided a theoretical and practical basis for easing these onerous restrictions. But RMA and its kindred have two limitations: they apply only to verifying the requirement of schedulability (that tasks meet their deadlines) and they cannot be applied to many common programming paradigms. We address both these limitations by applying model checking, a technique with successful industrial applications in hardware design. Model checking algorithms analyze finite state machines, either by explicit state enumeration or by symbolic manipulation. Since quantitative timing properties involve a potentially unbounded state variable (a clock), our first problem is to construct a finite approximation that is conservative for the properties being analyzed-if the approximation satisfies the properties of interest, so does the infinite model. To reduce the potential for state space explosion we must further optimize this finite model. Experiments with some simple optimizations have yielded a hundred-fold efficiency improvement over published techniques.

  6. A Discussion of Issues in Integrity Constraint Monitoring

    NASA Technical Reports Server (NTRS)

    Fernandez, Francisco G.; Gates, Ann Q.; Cooke, Daniel E.

    1998-01-01

    In the development of large-scale software systems, analysts, designers, and programmers identify properties of data objects in the system. The ability to check those assertions during runtime is desirable as a means of verifying the integrity of the program. Typically, programmers ensure the satisfaction of such properties through the use of some form of manually embedded assertion check. The disadvantage to this approach is that these assertions become entangled within the program code. The goal of the research is to develop an integrity constraint monitoring mechanism whereby a repository of software system properties (called integrity constraints) are automatically inserted into the program by the mechanism to check for incorrect program behaviors. Such a mechanism would overcome many of the deficiencies of manually embedded assertion checks. This paper gives an overview of the preliminary work performed toward this goal. The manual instrumentation of constraint checking on a series of test programs is discussed, This review then is used as the basis for a discussion of issues to be considered in developing an automated integrity constraint monitor.

  7. SU-E-P-20: Personnel Lead Apparel Integrity Inspection: Where We Are and What We Need?

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Smith, S; Zhang, J; Anaskevich, L

    Purpose: In recent years, tremendous efforts have been devoted to radiation dose reduction, especially for patients who are directly exposed to primary radiation or receive radiopharmaceuticals. Limited efforts have been focused on those personnel who are exposed to secondary radiation while fulfilling their work responsibilities associated with diagnostic imaging and image-guided interventions. Occupational exposure is compounded in daily practice and can lead to a significant radiation dose over time. Personnel lead apparel is a well-accepted engineering control to protect healthcare workers when radiation is inevitable. The question is, do we have a nationally established program to protect personnel? This studymore » is to investigate the lead apparel inspection programs among the USA. Methods: A series of surveys of state regulations, the University Health System Consortium, and federal regulations and regulations determined by accrediting bodies were conducted. The surveys were used to determine the current status of lead apparel programs regarding integrity inspections. Based on the survey results, a thorough program was proposed accordingly. Results: Of 50 states, seventeen states and Washington D.C. require lead apparel integrity inspections within their state regulations. Eleven of these states specify that the inspection is required on an annual basis. Two of these states require lead apron integrity checks to be performed semi-annually. Eleven out of the two hundred academic medical centers surveyed responded. The results show that the method (visually vs. fluoroscopy) used to conduct lead apparel integrity checks differ greatly amongst healthcare organizations. The FDA, EPA, CRCPD and NCRP require lead apparel integrity checks. However, the level of policies is different. A standard program is not well established and clearly there is a lack of standardization. Conclusion: A program led by legislative (state or federal government) and with specific frequency, methods, tracking and criteria is needed to ensure the integrity of personnel lead apparel.« less

  8. Opportunities for Launch Site Integrated System Health Engineering and Management

    NASA Technical Reports Server (NTRS)

    Waterman, Robert D.; Langwost, Patricia E.; Waterman, Susan J.

    2005-01-01

    The launch site processing flow involves operations such as functional verification, preflight servicing and launch. These operations often include hazards that must be controlled to protect human life and critical space hardware assets. Existing command and control capabilities are limited to simple limit checking durig automated monitoring. Contingency actions are highly dependent on human recognition, decision making, and execution. Many opportunities for Integrated System Health Engineering and Management (ISHEM) exist throughout the processing flow. This paper will present the current human-centered approach to health management as performed today for the shuttle and space station programs. In addition, it will address some of the more critical ISHEM needs, and provide recommendations for future implementation of ISHEM at the launch site.

  9. 78 FR 9783 - Airworthiness Directives; Bombardier, Inc. Airplanes

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-02-12

    ...) has been made to the Time Limits/ Maintenance Checks (TLMC) manual to introduce a new Airworthiness... have already been done. (g) Time Limits/Maintenance Checks (TLMC) Manual Revision Within 60 days after... Challenger Time Limits/Maintenance Checks Manual, PSP 605. (ii) Canadair Challenger Temporary Revision 5-250...

  10. Experimental and modal verification of an integral equation solution for a thin-walled dichroic plate with cross-shaped holes

    NASA Technical Reports Server (NTRS)

    Epp, L. W.; Stanton, P. H.

    1993-01-01

    In order to add the capability of an X-band uplink onto the 70-m antenna, a new dichroic plate is needed to replace the Pyle-guide-shaped dichroic plate currently in use. The replacement dichroic plate must exhibit an additional passband at the new uplink frequency of 7.165 GHz, while still maintaining a passband at the existing downlink frequency of 8.425 GHz. Because of the wide frequency separation of these two passbands, conventional methods of designing air-filled dichroic plates exhibit grating lobe problems. A new method of solving this problem by using a dichroic plate with cross-shaped holes is presented and verified experimentally. Two checks of the integral equation solution are described. One is the comparison to a modal analysis for the limiting cross shape of a square hole. As a final check, a prototype dichroic plate with cross-shaped holes was built and measured.

  11. Using MathCad to Evaluate Exact Integral Formulations of Spacecraft Orbital Heats for Primitive Surfaces at Any Orientation

    NASA Technical Reports Server (NTRS)

    Pinckney, John

    2010-01-01

    With the advent of high speed computing Monte Carlo ray tracing techniques has become the preferred method for evaluating spacecraft orbital heats. Monte Carlo has its greatest advantage where there are many interacting surfaces. However Monte Carlo programs are specialized programs that suffer from some inaccuracy, long calculation times and high purchase cost. A general orbital heating integral is presented here that is accurate, fast and runs on MathCad, a generally available engineering mathematics program. The integral is easy to read, understand and alter. The integral can be applied to unshaded primitive surfaces at any orientation. The method is limited to direct heating calculations. This integral formulation can be used for quick orbit evaluations and spot checking Monte Carlo results.

  12. Comment on id-based remote data integrity checking with data privacy preserving

    NASA Astrophysics Data System (ADS)

    Zhang, Jianhong; Meng, Hongxin

    2017-09-01

    Recently, an ID-based remote data integrity checking protocol with perfect data privacy preserving (IEEE Transactions on Information Forensics and Security, doi: 10.1109/TIFS.2016.2615853) was proposed to achieve data privacy protection and integrity checking. Unfortunately, in this letter, we demonstrate that their protocol is insecure. An active hacker can modify the stored data without being detected by the verifier in the auditing. And we also show malicious cloud server can convince the verifier that the stored data are kept intact after the outsourced data blocks are deleted. Finally, the reasons to produce such attacks are given.

  13. Model selection and assessment for multi­-species occupancy models

    USGS Publications Warehouse

    Broms, Kristin M.; Hooten, Mevin B.; Fitzpatrick, Ryan M.

    2016-01-01

    While multi-species occupancy models (MSOMs) are emerging as a popular method for analyzing biodiversity data, formal checking and validation approaches for this class of models have lagged behind. Concurrent with the rise in application of MSOMs among ecologists, a quiet regime shift is occurring in Bayesian statistics where predictive model comparison approaches are experiencing a resurgence. Unlike single-species occupancy models that use integrated likelihoods, MSOMs are usually couched in a Bayesian framework and contain multiple levels. Standard model checking and selection methods are often unreliable in this setting and there is only limited guidance in the ecological literature for this class of models. We examined several different contemporary Bayesian hierarchical approaches for checking and validating MSOMs and applied these methods to a freshwater aquatic study system in Colorado, USA, to better understand the diversity and distributions of plains fishes. Our findings indicated distinct differences among model selection approaches, with cross-validation techniques performing the best in terms of prediction.

  14. 75 FR 27406 - Airworthiness Directives; Bombardier, Inc. Model BD-100-1A10 (Challenger 300) Airplanes

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-05-17

    ... BD- 100 Time Limits/Maintenance Checks. The actions described in this service information are... Challenger 300 BD-100 Time Limits/Maintenance Checks. (1) For the new tasks identified in Bombardier TR 5-2... Requirements,'' in Part 2 of Chapter 5 of Bombardier Challenger 300 BD-100 Time Limits/ Maintenance Checks...

  15. Hosted Services for Advanced V and V Technologies: An Approach to Achieving Adoption without the Woes of Usage

    NASA Technical Reports Server (NTRS)

    Koga, Dennis (Technical Monitor); Penix, John; Markosian, Lawrence Z.; OMalley, Owen; Brew, William A.

    2003-01-01

    Attempts to achieve widespread use of software verification tools have been notably unsuccessful. Even 'straightforward', classic, and potentially effective verification tools such as lint-like tools face limits on their acceptance. These limits are imposed by the expertise required applying the tools and interpreting the results, the high false positive rate of many verification tools, and the need to integrate the tools into development environments. The barriers are even greater for more complex advanced technologies such as model checking. Web-hosted services for advanced verification technologies may mitigate these problems by centralizing tool expertise. The possible benefits of this approach include eliminating the need for software developer expertise in tool application and results filtering, and improving integration with other development tools.

  16. SU8 diaphragm micropump with monolithically integrated cantilever check valves.

    PubMed

    Ezkerra, Aitor; Fernández, Luis José; Mayora, Kepa; Ruano-López, Jesús Miguel

    2011-10-07

    This paper presents a SU8 unidirectional diaphragm micropump with embedded out-of-plane cantilever check valves. The device represents a reliable and low-cost solution for integration of microfluidic control in lab-on-a-chip devices. Its planar architecture allows monolithic definition of its components in a single step and potential integration with previously reported PCR, electrophoresis and flow-sensing SU8 microdevices. Pneumatic actuation is applied on a PDMS diaphragm, which is bonded to the SU8 body at wafer level, further enhancing its integration and mass production capabilities. The cantilever check valves move synchronously with the diaphragm, feature fast response (10ms), low dead volume (86nl) and a 94% flow blockage up to 300kPa. The micropump achieves a maximum flow rate of 177 μl min(-1) at 6 Hz and 200 kPa with an effective area of 10 mm(2). The device is reliable, self-priming and tolerant to particles and big bubbles. To the knowledge of the authors, this is the first micropump in SU8 with monolithically integrated cantilever check valves.

  17. 76 FR 64785 - Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Airplanes

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-10-19

    ...--Internal, of Chapter 5, Time Limits Maintenance Checks, of EMBRAER EMB145 Aircraft Maintenance Manual, Part...--Tail Cone Fairing--Internal, of Chapter 5, Time Limits Maintenance Checks, of EMBRAER EMB145 Aircraft... Maintenance Checks, of EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM-145/1124, Revision 54, dated...

  18. 76 FR 53348 - Airworthiness Directives; BAE SYSTEMS (Operations) Limited Model BAe 146 Airplanes and Model Avro...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-08-26

    ... Maintenance Manual (AMM) includes chapters 05-10 ``Time Limits'', 05-15 ``Critical Design Configuration... 05, ``Time Limits/Maintenance Checks,'' of BAe 146 Series/AVRO 146-RJ Series Aircraft Maintenance... Chapter 05, ``Time Limits/ Maintenance Checks,'' of the BAE SYSTEMS (Operations) Limited BAe 146 Series...

  19. 77 FR 20520 - Airworthiness Directives; Bombardier, Inc. Model BD-100-1A10 (Challenger 300) Airplanes

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-04-05

    ... Bombardier Challenger 300 BD-100 Time Limits/Maintenance Checks Manual. For this task, the initial compliance..., of Part 2, of the Bombardier Challenger 300 BD-100 Time Limits/Maintenance Checks Manual, the general.../Maintenance Checks Manual, provided that the relevant information in the general revision is identical to that...

  20. Nonlinear integral equations for the sausage model

    NASA Astrophysics Data System (ADS)

    Ahn, Changrim; Balog, Janos; Ravanini, Francesco

    2017-08-01

    The sausage model, first proposed by Fateev, Onofri, and Zamolodchikov, is a deformation of the O(3) sigma model preserving integrability. The target space is deformed from the sphere to ‘sausage’ shape by a deformation parameter ν. This model is defined by a factorizable S-matrix which is obtained by deforming that of the O(3) sigma model by a parameter λ. Clues for the deformed sigma model are provided by various UV and IR information through the thermodynamic Bethe ansatz (TBA) analysis based on the S-matrix. Application of TBA to the sausage model is, however, limited to the case of 1/λ integer where the coupled integral equations can be truncated to a finite number. In this paper, we propose a finite set of nonlinear integral equations (NLIEs), which are applicable to generic value of λ. Our derivation is based on T-Q relations extracted from the truncated TBA equations. For a consistency check, we compute next-leading order corrections of the vacuum energy and extract the S-matrix information in the IR limit. We also solved the NLIE both analytically and numerically in the UV limit to get the effective central charge and compared with that of the zero-mode dynamics to obtain exact relation between ν and λ. Dedicated to the memory of Petr Petrovich Kulish.

  1. 10 CFR 73.67 - Licensee fixed site and in-transit requirements for the physical protection of special nuclear...

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... detection and surveillance of unauthorized penetration or activities, (3) Monitor with an intrusion alarm or... acknowledges the specified mode of transport, (iii) Check the integrity of the container and locks or seals... material of moderate strategic significance shall: (i) Check the integrity of the containers and seals upon...

  2. 10 CFR 73.67 - Licensee fixed site and in-transit requirements for the physical protection of special nuclear...

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... detection and surveillance of unauthorized penetration or activities, (3) Monitor with an intrusion alarm or... acknowledges the specified mode of transport, (iii) Check the integrity of the container and locks or seals... material of moderate strategic significance shall: (i) Check the integrity of the containers and seals upon...

  3. 10 CFR 73.67 - Licensee fixed site and in-transit requirements for the physical protection of special nuclear...

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... detection and surveillance of unauthorized penetration or activities, (3) Monitor with an intrusion alarm or... acknowledges the specified mode of transport, (iii) Check the integrity of the container and locks or seals... material of moderate strategic significance shall: (i) Check the integrity of the containers and seals upon...

  4. 10 CFR 73.67 - Licensee fixed site and in-transit requirements for the physical protection of special nuclear...

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... detection and surveillance of unauthorized penetration or activities, (3) Monitor with an intrusion alarm or... acknowledges the specified mode of transport, (iii) Check the integrity of the container and locks or seals... material of moderate strategic significance shall: (i) Check the integrity of the containers and seals upon...

  5. 10 CFR 73.67 - Licensee fixed site and in-transit requirements for the physical protection of special nuclear...

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... detection and surveillance of unauthorized penetration or activities, (3) Monitor with an intrusion alarm or... acknowledges the specified mode of transport, (iii) Check the integrity of the container and locks or seals... material of moderate strategic significance shall: (i) Check the integrity of the containers and seals upon...

  6. An Integrated Framework for Multipollutant Air Quality Management and Its Application in Georgia

    NASA Astrophysics Data System (ADS)

    Cohan, Daniel S.; Boylan, James W.; Marmur, Amit; Khan, Maudood N.

    2007-10-01

    Air protection agencies in the United States increasingly confront non-attainment of air quality standards for multiple pollutants sharing interrelated emission origins. Traditional approaches to attainment planning face important limitations that are magnified in the multipollutant context. Recognizing those limitations, the Georgia Environmental Protection Division has adopted an integrated framework to address ozone, fine particulate matter, and regional haze in the state. Rather than applying atmospheric modeling merely as a final check of an overall strategy, photochemical sensitivity analysis is conducted upfront to compare the effectiveness of controlling various precursor emission species and source regions. Emerging software enables the modeling of health benefits and associated economic valuations resulting from air pollution control. Photochemical sensitivity and health benefits analyses, applied together with traditional cost and feasibility assessments, provide a more comprehensive characterization of the implications of various control options. The fuller characterization both informs the selection of control options and facilitates the communication of impacts to affected stakeholders and the public. Although the integrated framework represents a clear improvement over previous attainment-planning efforts, key remaining shortcomings are also discussed.

  7. An integrated framework for multipollutant air quality management and its application in Georgia.

    PubMed

    Cohan, Daniel S; Boylan, James W; Marmur, Amit; Khan, Maudood N

    2007-10-01

    Air protection agencies in the United States increasingly confront non-attainment of air quality standards for multiple pollutants sharing interrelated emission origins. Traditional approaches to attainment planning face important limitations that are magnified in the multipollutant context. Recognizing those limitations, the Georgia Environmental Protection Division has adopted an integrated framework to address ozone, fine particulate matter, and regional haze in the state. Rather than applying atmospheric modeling merely as a final check of an overall strategy, photochemical sensitivity analysis is conducted upfront to compare the effectiveness of controlling various precursor emission species and source regions. Emerging software enables the modeling of health benefits and associated economic valuations resulting from air pollution control. Photochemical sensitivity and health benefits analyses, applied together with traditional cost and feasibility assessments, provide a more comprehensive characterization of the implications of various control options. The fuller characterization both informs the selection of control options and facilitates the communication of impacts to affected stakeholders and the public. Although the integrated framework represents a clear improvement over previous attainment-planning efforts, key remaining shortcomings are also discussed.

  8. Manifesting enhanced cancellations in supergravity: integrands versus integrals

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Bern, Zvi; Enciso, Michael; Parra-Martinez, Julio

    2017-05-25

    We have found examples of `enhanced ultraviolet cancellations' with no known standard-symmetry explanation in a variety of supergravity theories. Furthermore, by examining one- and two-loop examples in four- and five-dimensional half-maximal supergravity, we argue that enhanced cancellations in general cannot be exhibited prior to integration. In light of this, we explore reorganizations of integrands into parts that are manifestly finite and parts that have poor power counting but integrate to zero due to integral identities. At two loops we find that in the large loop-momentum limit the required integral identities follow from Lorentz and SL(2) relabeling symmetry. We carry outmore » a nontrivial check at four loops showing that the identities generated in this way are a complete set. We propose that at L loops the combination of Lorentz and SL(L) symmetry is sufficient for displaying enhanced cancellations when they happen, whenever the theory is known to be ultraviolet finite up to (L - 1) loops.« less

  9. Method of Error Floor Mitigation in Low-Density Parity-Check Codes

    NASA Technical Reports Server (NTRS)

    Hamkins, Jon (Inventor)

    2014-01-01

    A digital communication decoding method for low-density parity-check coded messages. The decoding method decodes the low-density parity-check coded messages within a bipartite graph having check nodes and variable nodes. Messages from check nodes are partially hard limited, so that every message which would otherwise have a magnitude at or above a certain level is re-assigned to a maximum magnitude.

  10. Comparison of spot tests with AdultaCheck 6 and Intect 7 urine test strips for detecting the presence of adulterants in urine specimens.

    PubMed

    Dasgupta, Amitava; Chughtai, Omar; Hannah, Christina; Davis, Bonnette; Wells, Alice

    2004-10-01

    Several adulterants are used to mask tests for abused drugs in urine. Adulterants such as "Klear" and "Whizzies" contain potassium nitrite while "Urine Luck" contains pyridinium chlorochromate (PCC). The presence of these adulterants cannot be detected by routine specimen integrity check (pH, specific gravity, creatinine and temperature). We previously reported the development of rapid spot tests to detect the presence of these adulterants. AdultaCheck 6 and Intect 7 urine test strips are commercially available for detecting the presence of these adulterants along with specific gravity, creatinine and pH in urine. The performance of these two test strips for detecting adulterants was compared with the results obtained by spot tests. Both AdultaCheck 6 and Intect 7 effectively detected the presence of nitrite and pyridinium chlorochromate in urine. Moreover, both test strips successfully detected the presence of glutaraldehyde, for which no spot test is currently available. High amount of glucose and ascorbic acid did not cause any false positive result with AdultaCheck 6 or Intect 7. Both AdultaCheck 6 and Intect 7 can be used for checking the integrity of a urine specimen submitted for drugs of abuse testing.

  11. Integration of Computer-Based Virtual Check Ride System--Pre-Trip Inspection in Commercial Driver License Training Program

    ERIC Educational Resources Information Center

    Makwana, Alpesh P.

    2009-01-01

    "Pre-Trip Inspection" of the truck and trailer is one of the components of the current Commercial Driver's License (CDL) test. This part of the CDL test checks the ability of the student to identify the important parts of the commercial vehicle and their potential defects. The "Virtual Check Ride System" (VCRS), a…

  12. 75 FR 47895 - Proposed Collection; Comment Request for Form 13818-The Limited Payability Claim Against the...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-08-09

    ... 13818--The Limited Payability Claim Against the United States For Proceeds of An Internal Revenue Refund... Limited Payability Claim Against the United States For Proceeds of An Internal Revenue Refund Check. DATES... Against the United States For Proceeds of An Internal Revenue Refund Check. OMB Number: 1545-2024. Form...

  13. Provenance based data integrity checking and verification in cloud environments

    PubMed Central

    Haq, Inam Ul; Jan, Bilal; Khan, Fakhri Alam; Ahmad, Awais

    2017-01-01

    Cloud computing is a recent tendency in IT that moves computing and data away from desktop and hand-held devices into large scale processing hubs and data centers respectively. It has been proposed as an effective solution for data outsourcing and on demand computing to control the rising cost of IT setups and management in enterprises. However, with Cloud platforms user’s data is moved into remotely located storages such that users lose control over their data. This unique feature of the Cloud is facing many security and privacy challenges which need to be clearly understood and resolved. One of the important concerns that needs to be addressed is to provide the proof of data integrity, i.e., correctness of the user’s data stored in the Cloud storage. The data in Clouds is physically not accessible to the users. Therefore, a mechanism is required where users can check if the integrity of their valuable data is maintained or compromised. For this purpose some methods are proposed like mirroring, checksumming and using third party auditors amongst others. However, these methods use extra storage space by maintaining multiple copies of data or the presence of a third party verifier is required. In this paper, we address the problem of proving data integrity in Cloud computing by proposing a scheme through which users are able to check the integrity of their data stored in Clouds. In addition, users can track the violation of data integrity if occurred. For this purpose, we utilize a relatively new concept in the Cloud computing called “Data Provenance”. Our scheme is capable to reduce the need of any third party services, additional hardware support and the replication of data items on client side for integrity checking. PMID:28545151

  14. Provenance based data integrity checking and verification in cloud environments.

    PubMed

    Imran, Muhammad; Hlavacs, Helmut; Haq, Inam Ul; Jan, Bilal; Khan, Fakhri Alam; Ahmad, Awais

    2017-01-01

    Cloud computing is a recent tendency in IT that moves computing and data away from desktop and hand-held devices into large scale processing hubs and data centers respectively. It has been proposed as an effective solution for data outsourcing and on demand computing to control the rising cost of IT setups and management in enterprises. However, with Cloud platforms user's data is moved into remotely located storages such that users lose control over their data. This unique feature of the Cloud is facing many security and privacy challenges which need to be clearly understood and resolved. One of the important concerns that needs to be addressed is to provide the proof of data integrity, i.e., correctness of the user's data stored in the Cloud storage. The data in Clouds is physically not accessible to the users. Therefore, a mechanism is required where users can check if the integrity of their valuable data is maintained or compromised. For this purpose some methods are proposed like mirroring, checksumming and using third party auditors amongst others. However, these methods use extra storage space by maintaining multiple copies of data or the presence of a third party verifier is required. In this paper, we address the problem of proving data integrity in Cloud computing by proposing a scheme through which users are able to check the integrity of their data stored in Clouds. In addition, users can track the violation of data integrity if occurred. For this purpose, we utilize a relatively new concept in the Cloud computing called "Data Provenance". Our scheme is capable to reduce the need of any third party services, additional hardware support and the replication of data items on client side for integrity checking.

  15. The determination of pair-distance distribution by double electron-electron resonance: regularization by the length of distance discretization with Monte Carlo calculations

    NASA Astrophysics Data System (ADS)

    Dzuba, Sergei A.

    2016-08-01

    Pulsed double electron-electron resonance technique (DEER, or PELDOR) is applied to study conformations and aggregation of peptides, proteins, nucleic acids, and other macromolecules. For a pair of spin labels, experimental data allows for the determination of their distance distribution function, P(r). P(r) is derived as a solution of a first-kind Fredholm integral equation, which is an ill-posed problem. Here, we suggest regularization by increasing the distance discretization length to its upper limit where numerical integration still provides agreement with experiment. This upper limit is found to be well above the lower limit for which the solution instability appears because of the ill-posed nature of the problem. For solving the integral equation, Monte Carlo trials of P(r) functions are employed; this method has an obvious advantage of the fulfillment of the non-negativity constraint for P(r). The regularization by the increasing of distance discretization length for the case of overlapping broad and narrow distributions may be employed selectively, with this length being different for different distance ranges. The approach is checked for model distance distributions and for experimental data taken from literature for doubly spin-labeled DNA and peptide antibiotics.

  16. Integrated system for automated financial document processing

    NASA Astrophysics Data System (ADS)

    Hassanein, Khaled S.; Wesolkowski, Slawo; Higgins, Ray; Crabtree, Ralph; Peng, Antai

    1997-02-01

    A system was developed that integrates intelligent document analysis with multiple character/numeral recognition engines in order to achieve high accuracy automated financial document processing. In this system, images are accepted in both their grayscale and binary formats. A document analysis module starts by extracting essential features from the document to help identify its type (e.g. personal check, business check, etc.). These features are also utilized to conduct a full analysis of the image to determine the location of interesting zones such as the courtesy amount and the legal amount. These fields are then made available to several recognition knowledge sources such as courtesy amount recognition engines and legal amount recognition engines through a blackboard architecture. This architecture allows all the available knowledge sources to contribute incrementally and opportunistically to the solution of the given recognition query. Performance results on a test set of machine printed business checks using the integrated system are also reported.

  17. Orbital Signature Analyzer (OSA): A spacecraft health/safety monitoring and analysis tool

    NASA Technical Reports Server (NTRS)

    Weaver, Steven; Degeorges, Charles; Bush, Joy; Shendock, Robert; Mandl, Daniel

    1993-01-01

    Fixed or static limit sensing is employed in control centers to ensure that spacecraft parameters remain within a nominal range. However, many critical parameters, such as power system telemetry, are time-varying and, as such, their 'nominal' range is necessarily time-varying as well. Predicted data, manual limits checking, and widened limit-checking ranges are often employed in an attempt to monitor these parameters without generating excessive limits violations. Generating predicted data and manual limits checking are both resource intensive, while broadening limit ranges for time-varying parameters is clearly inadequate to detect all but catastrophic problems. OSA provides a low-cost solution by using analytically selected data as a reference upon which to base its limits. These limits are always defined relative to the time-varying reference data, rather than as fixed upper and lower limits. In effect, OSA provides individual limits tailored to each value throughout all the data. A side benefit of using relative limits is that they automatically adjust to new reference data. In addition, OSA provides a wealth of analytical by-products in its execution.

  18. The Single Soldier Quality of Life Initiative: Great Expectations of Privacy

    DTIC Science & Technology

    1995-04-01

    without regard to their marital status and to hold them accountable to established standards. 18 To many "old soldiers," some of the ideas contained...Family Housing Office: assign and terminate quarters, conduct check-in and check-out inspections, maintain accountability of SQ furniture, follow up on...integrity is a second priority." 2 6 Further hindering unit integrity is that smoking preference of the soldiers must be taken into account when making

  19. Mass extraction container closure integrity physical testing method development for parenteral container closure systems.

    PubMed

    Yoon, Seung-Yil; Sagi, Hemi; Goldhammer, Craig; Li, Lei

    2012-01-01

    Container closure integrity (CCI) is a critical factor to ensure that product sterility is maintained over its entire shelf life. Assuring the CCI during container closure (C/C) system qualification, routine manufacturing and stability is important. FDA guidance also encourages industry to develop a CCI physical testing method in lieu of sterility testing in a stability program. A mass extraction system has been developed to check CCI for a variety of container closure systems such as vials, syringes, and cartridges. Various types of defects (e.g., glass micropipette, laser drill, wire) were created and used to demonstrate a detection limit. Leakage, detected as mass flow in this study, changes as a function of defect length and diameter. Therefore, the morphology of defects has been examined in detail with fluid theories. This study demonstrated that a mass extraction system was able to distinguish between intact samples and samples with 2 μm defects reliably when the defect was exposed to air, water, placebo, or drug product (3 mg/mL concentration) solution. Also, it has been verified that the method was robust, and capable of determining the acceptance limit using 3σ for syringes and 6σ for vials. Sterile products must maintain their sterility over their entire shelf life. Container closure systems such as those found in syringes and vials provide a seal between rubber and glass containers. This seal must be ensured to maintain product sterility. A mass extraction system has been developed to check container closure integrity for a variety of container closure systems such as vials, syringes, and cartridges. In order to demonstrate the method's capability, various types of defects (e.g., glass micropipette, laser drill, wire) were created in syringes and vials and were tested. This study demonstrated that a mass extraction system was able to distinguish between intact samples and samples with 2 μm defects reliably when the defect was exposed to air, water, placebo, or drug product (3 mg/mL concentration) solution. Also, it was verified that the method showed consistent results, and was able to determine the acceptance limit using 3σ for syringes and 6σ for vials.

  20. 42 CFR 455.19 - Provider's statement on check.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 42 Public Health 4 2010-10-01 2010-10-01 false Provider's statement on check. 455.19 Section 455.19 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) MEDICAL ASSISTANCE PROGRAMS PROGRAM INTEGRITY: MEDICAID Medicaid Agency Fraud Detection and...

  1. 6 CFR 37.45 - Background checks for covered employees.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ..., the validation of references from prior employment, a name-based and fingerprint-based criminal.... States must conduct a name-based and fingerprint-based criminal history records check (CHRC) using, at a minimum, the FBI's National Crime Information Center (NCIC) and the Integrated Automated Fingerprint...

  2. 6 CFR 37.45 - Background checks for covered employees.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ..., the validation of references from prior employment, a name-based and fingerprint-based criminal.... States must conduct a name-based and fingerprint-based criminal history records check (CHRC) using, at a minimum, the FBI's National Crime Information Center (NCIC) and the Integrated Automated Fingerprint...

  3. 6 CFR 37.45 - Background checks for covered employees.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ..., the validation of references from prior employment, a name-based and fingerprint-based criminal.... States must conduct a name-based and fingerprint-based criminal history records check (CHRC) using, at a minimum, the FBI's National Crime Information Center (NCIC) and the Integrated Automated Fingerprint...

  4. 6 CFR 37.45 - Background checks for covered employees.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ..., the validation of references from prior employment, a name-based and fingerprint-based criminal.... States must conduct a name-based and fingerprint-based criminal history records check (CHRC) using, at a minimum, the FBI's National Crime Information Center (NCIC) and the Integrated Automated Fingerprint...

  5. 6 CFR 37.45 - Background checks for covered employees.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ..., the validation of references from prior employment, a name-based and fingerprint-based criminal.... States must conduct a name-based and fingerprint-based criminal history records check (CHRC) using, at a minimum, the FBI's National Crime Information Center (NCIC) and the Integrated Automated Fingerprint...

  6. Pre-integrated structures for Space Station Freedom

    NASA Technical Reports Server (NTRS)

    Cruz, Jonathan N.; Monell, Donald W.; Mutton, Philip; Troutman, Patrick A.

    1991-01-01

    An in-space construction (erectable) approach to assembling Freedom is planned but the increasing complexity of the station design along with a decrease in shuttle capability over the past several years has led to an assembly sequence that requires more resources (EVA, lift, volume) than the shuttle can provide given a fixed number of flights. One way to address these issues is to adopt a pre-integrated approach to assembling Freedom. A pre-integrated approach combines station primary structure and distributed systems into discrete sections that are assembled and checked out on the ground. The section is then launched as a single structural entity on the shuttle and attached to the orbiting station is then launched as a single structural entity on the shuttle and attached to the orbiting station with a minimum of EVA. The feasibility of a pre-integrated approach to assembling Freedon is discussed. The structural configuration, packaging, and shuttle integration of discrete pre-integrated elements for Freedom assembly are discussed. It is shown that the pre-integrated approach to assembly reduces EVA and increases shuttle margin with respect to mass, volume, and center of gravity limits when compared to the baseline Freedom assembly sequence.

  7. A study of the use of abstract types for the representation of engineering units in integration and test applications

    NASA Technical Reports Server (NTRS)

    Johnson, Charles S.

    1986-01-01

    Physical quantities using various units of measurement can be well represented in Ada by the use of abstract types. Computation involving these quantities (electric potential, mass, volume) can also automatically invoke the computation and checking of some of the implicitly associable attributes of measurements. Quantities can be held internally in SI units, transparently to the user, with automatic conversion. Through dimensional analysis, the type of the derived quantity resulting from a computation is known, thereby allowing dynamic checks of the equations used. The impact of the possible implementation of these techniques in integration and test applications is discussed. The overhead of computing and transporting measurement attributes is weighed against the advantages gained by their use. The construction of a run time interpreter using physical quantities in equations can be aided by the dynamic equation checks provided by dimensional analysis. The effects of high levels of abstraction on the generation and maintenance of software used in integration and test applications are also discussed.

  8. Computational Fact Checking by Mining Knowledge Graphs

    ERIC Educational Resources Information Center

    Shiralkar, Prashant

    2017-01-01

    Misinformation and rumors have become rampant on online social platforms with adverse consequences for the real world. Fact-checking efforts are needed to mitigate the risks associated with the spread of digital misinformation. However, the pace at which information is generated online limits the capacity to fact-check claims at the same rate…

  9. 42 CFR 424.518 - Screening levels for Medicare providers and suppliers.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... this section. (ii)(A) Requires the submission of a set of fingerprints for a national background check... provider or supplier; and (B) Conducts a fingerprint-based criminal history record check of the Federal Bureau of Investigation's Integrated Automated Fingerprint Identification System on all individuals who...

  10. 42 CFR 424.518 - Screening levels for Medicare providers and suppliers.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... this section. (ii)(A) Requires the submission of a set of fingerprints for a national background check... provider or supplier; and (B) Conducts a fingerprint-based criminal history record check of the Federal Bureau of Investigation's Integrated Automated Fingerprint Identification System on all individuals who...

  11. 42 CFR 424.518 - Screening levels for Medicare providers and suppliers.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ...) Requires the submission of a set of fingerprints for a national background check from all individuals who...) Conducts a fingerprint-based criminal history record check of the Federal Bureau of Investigation's Integrated Automated Fingerprint Identification System on all individuals who maintain a 5 percent or greater...

  12. 42 CFR 424.518 - Screening levels for Medicare providers and suppliers.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... this section. (ii)(A) Requires the submission of a set of fingerprints for a national background check... provider or supplier; and (B) Conducts a fingerprint-based criminal history record check of the Federal Bureau of Investigation's Integrated Automated Fingerprint Identification System on all individuals who...

  13. Testing Instrument for Flight-Simulator Displays

    NASA Technical Reports Server (NTRS)

    Haines, Richard F.

    1987-01-01

    Displays for flight-training simulators rapidly aligned with aid of integrated optical instrument. Calibrations and tests such as aligning boresight of display with respect to user's eyes, checking and adjusting display horizon, checking image sharpness, measuring illuminance of displayed scenes, and measuring distance of optical focus of scene performed with single unit. New instrument combines all measurement devices in single, compact, integrated unit. Requires just one initial setup. Employs laser and produces narrow, collimated beam for greater measurement accuracy. Uses only one moving part, double right prism, to position laser beam.

  14. The Infobiotics Workbench: an integrated in silico modelling platform for Systems and Synthetic Biology.

    PubMed

    Blakes, Jonathan; Twycross, Jamie; Romero-Campero, Francisco Jose; Krasnogor, Natalio

    2011-12-01

    The Infobiotics Workbench is an integrated software suite incorporating model specification, simulation, parameter optimization and model checking for Systems and Synthetic Biology. A modular model specification allows for straightforward creation of large-scale models containing many compartments and reactions. Models are simulated either using stochastic simulation or numerical integration, and visualized in time and space. Model parameters and structure can be optimized with evolutionary algorithms, and model properties calculated using probabilistic model checking. Source code and binaries for Linux, Mac and Windows are available at http://www.infobiotics.org/infobiotics-workbench/; released under the GNU General Public License (GPL) version 3. Natalio.Krasnogor@nottingham.ac.uk.

  15. A Demonstration Advanced Avionics System for general aviation

    NASA Technical Reports Server (NTRS)

    Denery, D. G.; Callas, G. P.; Jackson, C. T.; Berkstresser, B. K.; Hardy, G. H.

    1979-01-01

    A program initiated within NASA has emphasized the use of a data bus, microprocessors, electronic displays and data entry devices for general aviation. A Demonstration Advanced Avionics System (DAAS) capable of evaluating critical and promising elements of an integrating system that will perform the functions of (1) automated guidance and navigation; (2) flight planning; (3) weight and balance performance computations; (4) monitoring and warning; and (5) storage of normal and emergency check lists and operational limitations is described. Consideration is given to two major parts of the DAAS instrument panel: the integrated data control center and an electronic horizontal situation indicator, and to the system architecture. The system is to be installed in the Ames Research Center's Cessna 402B in the latter part of 1980; engineering flight testing will begin in the first part of 1981.

  16. Using LOTOS for Formalizing Wireless Sensor Network Applications

    PubMed Central

    Rosa, Nelson Souto; Cunha, Paulo Roberto Freire

    2007-01-01

    The number of wireless sensor network (WSN) applications is rapidly increasing and becoming an integral part of sensor nodes. These applications have been widely developed on TinyOS operating system using the nesC programming language. However, due to the tight integration to physical world, limited node power and resources (CPU and memory) and complexity of combining components into an application, to build such applications is not a trivial task. In this context, we present an approach for treating with this complexity adopting a formal description technique, namely LOTOS, for formalising the WSN applications ‘behaviour. The formalisation has three main benefits: better understanding on how the application actually works, checking of desired properties of the application's behaviour, and simulation facilities. In order to illustrate the proposed approach, we apply it to two nesC traditional applications, namely BLink and Sense.

  17. Autonomic Recovery: HyperCheck: A Hardware-Assisted Integrity Monitor

    DTIC Science & Technology

    2013-08-01

    system (OS). HyperCheck leverages the CPU System Management Mode ( SMM ), present in x86 systems, to securely generate and transmit the full state of the...HyperCheck harnesses the CPU System Management Mode ( SMM ) which is present in all x86 commodity systems to create a snapshot view of the current state of the...protect the software above it. Our assumptions are that the attacker does not have physical access to the machine and that the SMM BIOS is locked and

  18. Checking in: An Analysis of the (Lack of) Body Checking in Women's Ice Hockey

    ERIC Educational Resources Information Center

    Weaving, Charlene; Roberts, Samuel

    2012-01-01

    Despite the growing popularity of women's ice hockey in North America, players continue to face limitations because of the prohibition of body checking. In this paper, we argue from a liberal feminist philosophical perspective that this prohibition reinforces existing traditional stereotypes of female athletes. Because the women's game does not…

  19. Checking and Balancing: Banking and Budgeting.

    ERIC Educational Resources Information Center

    Thypin, Marilyn; Glasner, Lynne

    A short fictional work for limited English speakers is presented that relates a young couple's experience in learning about managing their money more carefully by budgeting and maintaining a checking account. Since the couple did not have a checking account, they had to go to their savings bank in order to pay each bill and they had to keep cash…

  20. Astronaut Joseph Tanner checks gloves during during launch/entry training

    NASA Technical Reports Server (NTRS)

    1994-01-01

    Astronaut Joseph R. Tanner, mission specialist, checks his gloves during a rehearsal for the launch and entry phases of the scheduled November 1994 flight of STS-66. This rehearsal, held in the crew compartment trainer (CCT) of JSC's Shuttle mockup and integration laboratory, was followed by a training session on emergency egress procedures.

  1. Ice hockey shoulder pad design and the effect on head response during shoulder-to-head impacts.

    PubMed

    Richards, Darrin; Ivarsson, B Johan; Scher, Irving; Hoover, Ryan; Rodowicz, Kathleen; Cripton, Peter

    2016-11-01

    Ice hockey body checks involving direct shoulder-to-head contact frequently result in head injury. In the current study, we examined the effect of shoulder pad style on the likelihood of head injury from a shoulder-to-head check. Shoulder-to-head body checks were simulated by swinging a modified Hybrid-III anthropomorphic test device (ATD) with and without shoulder pads into a stationary Hybrid-III ATD at 21 km/h. Tests were conducted with three different styles of shoulder pads (traditional, integrated and tethered) and without shoulder pads for the purpose of control. Head response kinematics for the stationary ATD were measured. Compared to the case of no shoulder pads, the three different pad styles significantly (p < 0.05) reduced peak resultant linear head accelerations of the stationary ATD by 35-56%. The integrated shoulder pads reduced linear head accelerations by an additional 18-21% beyond the other two styles of shoulder pads. The data presented here suggest that shoulder pads can be designed to help protect the head of the struck player in a shoulder-to-head check.

  2. Integrated information systems for electronic chemotherapy medication administration.

    PubMed

    Levy, Mia A; Giuse, Dario A; Eck, Carol; Holder, Gwen; Lippard, Giles; Cartwright, Julia; Rudge, Nancy K

    2011-07-01

    Chemotherapy administration is a highly complex and distributed task in both the inpatient and outpatient infusion center settings. The American Society of Clinical Oncology and the Oncology Nursing Society (ASCO/ONS) have developed standards that specify procedures and documentation requirements for safe chemotherapy administration. Yet paper-based approaches to medication administration have several disadvantages and do not provide any decision support for patient safety checks. Electronic medication administration that includes bar coding technology may provide additional safety checks, enable consistent documentation structure, and have additional downstream benefits. We describe the specialized configuration of clinical informatics systems for electronic chemotherapy medication administration. The system integrates the patient registration system, the inpatient order entry system, the pharmacy information system, the nursing documentation system, and the electronic health record. We describe the process of deploying this infrastructure in the adult and pediatric inpatient oncology, hematology, and bone marrow transplant wards at Vanderbilt University Medical Center. We have successfully adapted the system for the oncology-specific documentation requirements detailed in the ASCO/ONS guidelines for chemotherapy administration. However, several limitations remain with regard to recording the day of treatment and dose number. Overall, the configured systems facilitate compliance with the ASCO/ONS guidelines and improve the consistency of documentation and multidisciplinary team communication. Our success has prompted us to deploy this infrastructure in our outpatient chemotherapy infusion centers, a process that is currently underway and that will require a few unique considerations.

  3. Effects of Check In/Checkout with a Fading Procedure on the Academic Engagement and Problem Behavior of Elementary School Students

    ERIC Educational Resources Information Center

    Miller, Leila Mullooly

    2013-01-01

    Though preliminary research indicates Check-In/Check-Out (CICO) is an effective intervention for improving problematic behavior in a variety of populations, the literature is limited in several ways. Several studies have relied on indirect measures of behavior, such as office discipline referrals (ODRs) and teacher ratings, to determine the…

  4. 76 FR 477 - Airworthiness Directives; Bombardier, Inc. Model CL-600-2A12 (CL-601) and CL-600-2B16 (CL-601-3A...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-01-05

    ... to these aircraft if Bombardier Service Bulletin (SB) 601-0590 [Scheduled Maintenance Instructions... information: Challenger 601 Time Limits/Maintenance Checks, PSP 601-5, Revision 38, dated June 19, 2009. Challenger 601 Time Limits/Maintenance Checks, PSP 601A-5, Revision 34, dated June 19, 2009. Challenger 604...

  5. Appraising the value of independent EIA follow-up verifiers

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Wessels, Jan-Albert, E-mail: janalbert.wessels@nwu.ac.za; Retief, Francois, E-mail: francois.retief@nwu.ac.za; Morrison-Saunders, Angus, E-mail: A.Morrison-Saunders@murdoch.edu.au

    Independent Environmental Impact Assessment (EIA) follow-up verifiers such as monitoring agencies, checkers, supervisors and control officers are active on various construction sites across the world. There are, however, differing views on the value that these verifiers add and very limited learning in EIA has been drawn from independent verifiers. This paper aims to appraise how and to what extent independent EIA follow-up verifiers add value in major construction projects in the developing country context of South Africa. A framework for appraising the role of independent verifiers was established and four South African case studies were examined through a mixture ofmore » site visits, project document analysis, and interviews. Appraisal results were documented in the performance areas of: planning, doing, checking, acting, public participating and integration with other programs. The results indicate that independent verifiers add most value to major construction projects when involved with screening EIA requirements of new projects, allocation of financial and human resources, checking legal compliance, influencing implementation, reporting conformance results, community and stakeholder engagement, integration with self-responsibility programs such as environmental management systems (EMS), and controlling records. It was apparent that verifiers could be more creatively utilized in pre-construction preparation, providing feedback of knowledge into assessment of new projects, giving input to the planning and design phase of projects, and performance evaluation. The study confirms the benefits of proponent and regulator follow-up, specifically in having independent verifiers that disclose information, facilitate discussion among stakeholders, are adaptable and proactive, aid in the integration of EIA with other programs, and instill trust in EIA enforcement by conformance evaluation. Overall, the study provides insight on how to harness the learning opportunities arising from EIA follow-up through the appointment of independent verifiers. - Highlights: • A framework for appraising the role of independent verifiers is established. • The value added to EIA follow-up by independent verifiers in South Africa is documented. • Verifiers add most value when involved with screening, checking compliance, influencing decisions and community engagement. • Verifiers could be more creatively utilized in pre-construction preparation, giving feedback, and performance evaluation.« less

  6. Effects of a growth check on daily age estimates of age-0 alligator gar

    USGS Publications Warehouse

    Snow, Richard A.; Long, James M.

    2016-01-01

    Accurate age and growth information is essential for a complete knowledge of life history, growth rates, age at sexual maturity, and average life span in fishes. Alligator gar are becoming increasingly managed throughout their range and because this species spawns in backwater flooded areas, their offspring are prone to stranding in areas with limited prey, potentially affecting their growth. Because fish growth is tightly linked with otolith growth and annulus formation, the ability to discern marks not indicative of annuli (age checks) in alligator gar would give managers some insight when estimating ages. Previous studies have suggested that checks are often present prior to the first annulus in otoliths of alligator gar, affecting age estimates. We investigated check formation in otoliths of alligator gar in relation to growth and food availability. Sixteen age-0 alligator gar were marked with oxytetracycline (OTC) to give a reference point and divided equitably into two groups: a control group with abundant prey and an experimental group with limited prey. The experimental group was given 2 g of food per week for 20 days and then given the same prey availability as the control group for the next 20 days. After 40 days, the gar were measured, sacrificed, and their sagittae removed to determine if checks were present. Checks were visible on 14 of the 16 otoliths in the experimental group, associated with low growth during the first 20 days when prey was limited and accelerated growth after prey availability was increased. No checks were observed on otoliths of the control group, where growth and prey availability were consistent. Age estimates of fish in the control group were more accurate than those in the experimental group, showing that fish growth as a function of prey availability likely induced the checks by compressing daily ring formation.

  7. Body Covering and Body Image: A Comparison of Veiled and Unveiled Muslim Women, Christian Women, and Atheist Women Regarding Body Checking, Body Dissatisfaction, and Eating Disorder Symptoms.

    PubMed

    Wilhelm, Leonie; Hartmann, Andrea S; Becker, Julia C; Kişi, Melahat; Waldorf, Manuel; Vocks, Silja

    2018-02-21

    Although Islam is the fastest growing religion worldwide, only few studies have investigated body image in Muslim women, and no study has investigated body checking. Therefore, the present study examined whether body image, body checking, and disordered eating differ between veiled and unveiled Muslim women, Christian women, and atheist women. While the groups did not differ regarding body dissatisfaction, unveiled Muslim women reported more checking than veiled Muslim and Christian women, and higher bulimia scores than Christian. Thus, prevention against eating disorders should integrate all women, irrespective of religious affiliation or veiling, with a particular focus on unveiled Muslim women.

  8. STS-97 Mission Specialist Tanner during pre-pack and fit check

    NASA Technical Reports Server (NTRS)

    2000-01-01

    STS-97 Mission Specialist Joseph Tanner gets help with his boots from suit technician Erin Canlon during check pre-pack and fit check. Mission STS-97 is the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections. STS-97 is scheduled to launch Nov. 30 at about 10:06 p.m. EST.

  9. ExoMars Raman Laser Spectrometer scientific required performances check with a Breadboard

    NASA Astrophysics Data System (ADS)

    Moral, A.; Díaz, E.; Ramos, G.; Rodríguez Prieto, J. A.; Pérez Canora, C.; Díaz, C.; Canchal, R.; Gallego, P.; Santamaría, P.; Colombo, M.

    2013-09-01

    The Raman Laser Spectrometer (RLS) is one of the Pasteur Payload instruments, within the ESA's Aurora Exploration Program, ExoMars mission. For being able to verify the achievement of the scientific objectives of the instrument, a Breadboard campaign was developed, for achieving instrument TRL5. Within the Instrument TRL5 Plan, it was required to every unit to develop its own Unit Breadboard, to check their own TRL5 and then to deliver it to System Team to be integrated and tested for finally checks Instrument performances.

  10. Double checking: a second look

    PubMed Central

    Chreim, Samia; Forster, Alan

    2015-01-01

    Abstract Rationale, aims and objectives Double checking is a standard practice in many areas of health care, notwithstanding the lack of evidence supporting its efficacy. We ask in this study: ‘How do front line practitioners conceptualize double checking? What are the weaknesses of double checking? What alternate views of double checking could render it a more robust process?’ Method This is part of a larger qualitative study based on 85 semi‐structured interviews of health care practitioners in general internal medicine and obstetrics and neonatology; thematic analysis of the transcribed interviews was undertaken. Inductive and deductive themes are reported. Results Weaknesses in the double checking process include inconsistent conceptualization of double checking, double (or more) checking as a costly and time‐consuming procedure, double checking trusted as an accepted and stand‐alone process, and double checking as preventing reporting of near misses. Alternate views of double checking that would render it a more robust process include recognizing that double checking requires training and a dedicated environment, Introducing automated double checking, and expanding double checking beyond error detection. These results are linked with the concepts of collective efficiency thoroughness trade off (ETTO), an in‐family approach, and resilience. Conclusion(s) Double checking deserves more questioning, as there are limitations to the process. Practitioners could view double checking through alternate lenses, and thus help strengthen this ubiquitous practice that is rarely challenged. PMID:26568537

  11. Evaluation of properties over phylogenetic trees using stochastic logics.

    PubMed

    Requeno, José Ignacio; Colom, José Manuel

    2016-06-14

    Model checking has been recently introduced as an integrated framework for extracting information of the phylogenetic trees using temporal logics as a querying language, an extension of modal logics that imposes restrictions of a boolean formula along a path of events. The phylogenetic tree is considered a transition system modeling the evolution as a sequence of genomic mutations (we understand mutation as different ways that DNA can be changed), while this kind of logics are suitable for traversing it in a strict and exhaustive way. Given a biological property that we desire to inspect over the phylogeny, the verifier returns true if the specification is satisfied or a counterexample that falsifies it. However, this approach has been only considered over qualitative aspects of the phylogeny. In this paper, we repair the limitations of the previous framework for including and handling quantitative information such as explicit time or probability. To this end, we apply current probabilistic continuous-time extensions of model checking to phylogenetics. We reinterpret a catalog of qualitative properties in a numerical way, and we also present new properties that couldn't be analyzed before. For instance, we obtain the likelihood of a tree topology according to a mutation model. As case of study, we analyze several phylogenies in order to obtain the maximum likelihood with the model checking tool PRISM. In addition, we have adapted the software for optimizing the computation of maximum likelihoods. We have shown that probabilistic model checking is a competitive framework for describing and analyzing quantitative properties over phylogenetic trees. This formalism adds soundness and readability to the definition of models and specifications. Besides, the existence of model checking tools hides the underlying technology, omitting the extension, upgrade, debugging and maintenance of a software tool to the biologists. A set of benchmarks justify the feasibility of our approach.

  12. Entanglement and thermodynamics after a quantum quench in integrable systems.

    PubMed

    Alba, Vincenzo; Calabrese, Pasquale

    2017-07-25

    Entanglement and entropy are key concepts standing at the foundations of quantum and statistical mechanics. Recently, the study of quantum quenches revealed that these concepts are intricately intertwined. Although the unitary time evolution ensuing from a pure state maintains the system at zero entropy, local properties at long times are captured by a statistical ensemble with nonzero thermodynamic entropy, which is the entanglement accumulated during the dynamics. Therefore, understanding the entanglement evolution unveils how thermodynamics emerges in isolated systems. Alas, an exact computation of the entanglement dynamics was available so far only for noninteracting systems, whereas it was deemed unfeasible for interacting ones. Here, we show that the standard quasiparticle picture of the entanglement evolution, complemented with integrability-based knowledge of the steady state and its excitations, leads to a complete understanding of the entanglement dynamics in the space-time scaling limit. We thoroughly check our result for the paradigmatic Heisenberg chain.

  13. Entanglement and thermodynamics after a quantum quench in integrable systems

    NASA Astrophysics Data System (ADS)

    Alba, Vincenzo; Calabrese, Pasquale

    2017-07-01

    Entanglement and entropy are key concepts standing at the foundations of quantum and statistical mechanics. Recently, the study of quantum quenches revealed that these concepts are intricately intertwined. Although the unitary time evolution ensuing from a pure state maintains the system at zero entropy, local properties at long times are captured by a statistical ensemble with nonzero thermodynamic entropy, which is the entanglement accumulated during the dynamics. Therefore, understanding the entanglement evolution unveils how thermodynamics emerges in isolated systems. Alas, an exact computation of the entanglement dynamics was available so far only for noninteracting systems, whereas it was deemed unfeasible for interacting ones. Here, we show that the standard quasiparticle picture of the entanglement evolution, complemented with integrability-based knowledge of the steady state and its excitations, leads to a complete understanding of the entanglement dynamics in the space-time scaling limit. We thoroughly check our result for the paradigmatic Heisenberg chain.

  14. Entanglement and thermodynamics after a quantum quench in integrable systems

    PubMed Central

    Alba, Vincenzo; Calabrese, Pasquale

    2017-01-01

    Entanglement and entropy are key concepts standing at the foundations of quantum and statistical mechanics. Recently, the study of quantum quenches revealed that these concepts are intricately intertwined. Although the unitary time evolution ensuing from a pure state maintains the system at zero entropy, local properties at long times are captured by a statistical ensemble with nonzero thermodynamic entropy, which is the entanglement accumulated during the dynamics. Therefore, understanding the entanglement evolution unveils how thermodynamics emerges in isolated systems. Alas, an exact computation of the entanglement dynamics was available so far only for noninteracting systems, whereas it was deemed unfeasible for interacting ones. Here, we show that the standard quasiparticle picture of the entanglement evolution, complemented with integrability-based knowledge of the steady state and its excitations, leads to a complete understanding of the entanglement dynamics in the space–time scaling limit. We thoroughly check our result for the paradigmatic Heisenberg chain. PMID:28698379

  15. Flight Test Results of a Synthetic Vision Elevation Database Integrity Monitor

    NASA Technical Reports Server (NTRS)

    deHaag, Maarten Uijt; Sayre, Jonathon; Campbell, Jacob; Young, Steve; Gray, Robert

    2001-01-01

    This paper discusses the flight test results of a real-time Digital Elevation Model (DEM) integrity monitor for Civil Aviation applications. Providing pilots with Synthetic Vision (SV) displays containing terrain information has the potential to improve flight safety by improving situational awareness and thereby reducing the likelihood of Controlled Flight Into Terrain (CFIT). Utilization of DEMs, such as the digital terrain elevation data (DTED), requires a DEM integrity check and timely integrity alerts to the pilots when used for flight-critical terrain-displays, otherwise the DEM may provide hazardous misleading terrain information. The discussed integrity monitor checks the consistency between a terrain elevation profile synthesized from sensor information, and the profile given in the DEM. The synthesized profile is derived from DGPS and radar altimeter measurements. DEMs of various spatial resolutions are used to illustrate the dependency of the integrity monitor s performance on the DEMs spatial resolution. The paper will give a description of proposed integrity algorithms, the flight test setup, and the results of a flight test performed at the Ohio University airport and in the vicinity of Asheville, NC.

  16. A voice-actuated wind tunnel model leak checking system

    NASA Technical Reports Server (NTRS)

    Larson, William E.

    1989-01-01

    A computer program has been developed that improves the efficiency of wind tunnel model leak checking. The program uses a voice recognition unit to relay a technician's commands to the computer. The computer, after receiving a command, can respond to the technician via a voice response unit. Information about the model pressure orifice being checked is displayed on a gas-plasma terminal. On command, the program records up to 30 seconds of pressure data. After the recording is complete, the raw data and a straight line fit of the data are plotted on the terminal. This allows the technician to make a decision on the integrity of the orifice being checked. All results of the leak check program are stored in a database file that can be listed on the line printer for record keeping purposes or displayed on the terminal to help the technician find unchecked orifices. This program allows one technician to check a model for leaks instead of the two or three previously required.

  17. The influence of social anxiety on the body checking behaviors of female college students.

    PubMed

    White, Emily K; Warren, Cortney S

    2014-09-01

    Social anxiety and eating pathology frequently co-occur. However, there is limited research examining the relationship between anxiety and body checking, aside from one study in which social physique anxiety partially mediated the relationship between body checking cognitions and body checking behavior (Haase, Mountford, & Waller, 2007). In an independent sample of 567 college women, we tested the fit of Haase and colleagues' foundational model but did not find evidence of mediation. Thus we tested the fit of an expanded path model that included eating pathology and clinical impairment. In the best-fitting path model (CFI=.991; RMSEA=.083) eating pathology and social physique anxiety positively predicted body checking, and body checking positively predicted clinical impairment. Therefore, women who endorse social physique anxiety may be more likely to engage in body checking behaviors and experience impaired psychosocial functioning. Published by Elsevier Ltd.

  18. Chemical Safety Alert: Shaft Blow-Out Hazard of Check and Butterfly Valves

    EPA Pesticide Factsheets

    Certain types of check and butterfly valves can undergo shaft-disk separation and fail catastrophically, even when operated within their design limits of pressure and temperature, causing toxic/flammable gas releases, fires, and vapor cloud explosions.

  19. An Integrated Environment for Efficient Formal Design and Verification

    NASA Technical Reports Server (NTRS)

    1998-01-01

    The general goal of this project was to improve the practicality of formal methods by combining techniques from model checking and theorem proving. At the time the project was proposed, the model checking and theorem proving communities were applying different tools to similar problems, but there was not much cross-fertilization. This project involved a group from SRI that had substantial experience in the development and application of theorem-proving technology, and a group at Stanford that specialized in model checking techniques. Now, over five years after the proposal was submitted, there are many research groups working on combining theorem-proving and model checking techniques, and much more communication between the model checking and theorem proving research communities. This project contributed significantly to this research trend. The research work under this project covered a variety of topics: new theory and algorithms; prototype tools; verification methodology; and applications to problems in particular domains.

  20. 28 CFR 25.5 - Validation and data integrity of records in the system.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... INFORMATION SYSTEMS The National Instant Criminal Background Check System § 25.5 Validation and data integrity... 28 Judicial Administration 1 2010-07-01 2010-07-01 false Validation and data integrity of records... verify that the information provided to the NICS Index remains valid and correct. (b) Each data source...

  1. 28 CFR 25.5 - Validation and data integrity of records in the system.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 28 Judicial Administration 1 2011-07-01 2011-07-01 false Validation and data integrity of records in the system. 25.5 Section 25.5 Judicial Administration DEPARTMENT OF JUSTICE DEPARTMENT OF JUSTICE INFORMATION SYSTEMS The National Instant Criminal Background Check System § 25.5 Validation and data integrity...

  2. 28 CFR 25.5 - Validation and data integrity of records in the system.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 28 Judicial Administration 1 2013-07-01 2013-07-01 false Validation and data integrity of records in the system. 25.5 Section 25.5 Judicial Administration DEPARTMENT OF JUSTICE DEPARTMENT OF JUSTICE INFORMATION SYSTEMS The National Instant Criminal Background Check System § 25.5 Validation and data integrity...

  3. 28 CFR 25.5 - Validation and data integrity of records in the system.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 28 Judicial Administration 1 2012-07-01 2012-07-01 false Validation and data integrity of records in the system. 25.5 Section 25.5 Judicial Administration DEPARTMENT OF JUSTICE DEPARTMENT OF JUSTICE INFORMATION SYSTEMS The National Instant Criminal Background Check System § 25.5 Validation and data integrity...

  4. 28 CFR 25.5 - Validation and data integrity of records in the system.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 28 Judicial Administration 1 2014-07-01 2014-07-01 false Validation and data integrity of records in the system. 25.5 Section 25.5 Judicial Administration DEPARTMENT OF JUSTICE DEPARTMENT OF JUSTICE INFORMATION SYSTEMS The National Instant Criminal Background Check System § 25.5 Validation and data integrity...

  5. New improvements in methane detection using a Helmholtz resonant photoacoustic laser sensor: a comparison between near-IR diode lasers and mid-IR quantum cascade lasers.

    PubMed

    Grossel, Agnès; Zeninari, Virginie; Joly, Lilian; Parvitte, Bertrand; Courtois, Daniel; Durry, Georges

    2006-04-01

    Atmospheric methane was detected by combining a photoacoustic (PA) sensor with several lasers emitting in both the near- and mid-infrared spectral ranges to check the achievable detection limits. The PA spectrometer is based on differential Helmholtz resonance. Near-infrared telecommunication-type laser diodes of increasing power, from Sensors Unlimited Inc. and Anritsu, were first used to scan the 2 nu(3) band of CH(4) near 1.65 microm. The best achieved detection limit is 0.15 ppm of methane at atmospheric pressure and with a 1s integration time. The PA sensor was then operated in conjunction with a quantum cascade laser from Alpes Lasers emitting near 7.9 microm on the nu(4) band of CH(4). The achieved detection limit is then of 3 ppb. The dramatic improvement in the detection limit obtained with the QC laser is due to the stronger optical power as well as to the capability of reaching the fundamental bands of methane lying in the mid-infrared spectral range.

  6. Take the Reins on Model Quality with ModelCHECK and Gatekeeper

    NASA Technical Reports Server (NTRS)

    Jones, Corey

    2012-01-01

    Model quality and consistency has been an issue for us due to the diverse experience level and imaginative modeling techniques of our users. Fortunately, setting up ModelCHECK and Gatekeeper to enforce our best practices has helped greatly, but it wasn't easy. There were many challenges associated with setting up ModelCHECK and Gatekeeper including: limited documentation, restrictions within ModelCHECK, and resistance from end users. However, we consider ours a success story. In this presentation we will describe how we overcame these obstacles and present some of the details of how we configured them to work for us.

  7. Compact, passively Q-switched Nd:YAG laser for the MESSENGER mission to Mercury.

    PubMed

    Krebs, Danny J; Novo-Gradac, Anne-Marie; Li, Steven X; Lindauer, Steven J; Afzal, Robert S; Yu, Anthony W

    2005-03-20

    A compact, passively Q-switched Nd:YAG laser has been developed for the Mercury Laser Altimeter, an instrument on the Mercury Surface, Space Environment, Geochemistry, and Ranging mission to the planet Mercury. The laser achieves 5.4% efficiency with a near-diffraction-limited beam. It passed all space-flight environmental tests at subsystem, instrument, and satellite integration testing and successfully completes a postlaunch aliveness check en route to Mercury. The laser design draws on a heritage of previous laser altimetry missions, specifically the Ice Cloud and Elevation Satellite and the Mars Global Surveyor, but incorporates thermal management features unique to the requirements of an orbit of the planet Mercury.

  8. Integrated Information Systems for Electronic Chemotherapy Medication Administration

    PubMed Central

    Levy, Mia A.; Giuse, Dario A.; Eck, Carol; Holder, Gwen; Lippard, Giles; Cartwright, Julia; Rudge, Nancy K.

    2011-01-01

    Introduction: Chemotherapy administration is a highly complex and distributed task in both the inpatient and outpatient infusion center settings. The American Society of Clinical Oncology and the Oncology Nursing Society (ASCO/ONS) have developed standards that specify procedures and documentation requirements for safe chemotherapy administration. Yet paper-based approaches to medication administration have several disadvantages and do not provide any decision support for patient safety checks. Electronic medication administration that includes bar coding technology may provide additional safety checks, enable consistent documentation structure, and have additional downstream benefits. Methods: We describe the specialized configuration of clinical informatics systems for electronic chemotherapy medication administration. The system integrates the patient registration system, the inpatient order entry system, the pharmacy information system, the nursing documentation system, and the electronic health record. Results: We describe the process of deploying this infrastructure in the adult and pediatric inpatient oncology, hematology, and bone marrow transplant wards at Vanderbilt University Medical Center. We have successfully adapted the system for the oncology-specific documentation requirements detailed in the ASCO/ONS guidelines for chemotherapy administration. However, several limitations remain with regard to recording the day of treatment and dose number. Conclusion: Overall, the configured systems facilitate compliance with the ASCO/ONS guidelines and improve the consistency of documentation and multidisciplinary team communication. Our success has prompted us to deploy this infrastructure in our outpatient chemotherapy infusion centers, a process that is currently underway and that will require a few unique considerations. PMID:22043185

  9. 40 CFR 85.2233 - Steady state test equipment calibrations, adjustments, and quality control-EPA 91.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... tolerance range. The pressure in the sample cell must be the same with the calibration gas flowing during... this chapter. The check is done at 30 mph (48 kph), and a power absorption load setting to generate a... in § 85.2225(c)(1) are not met. (2) Leak checks. Each time the sample line integrity is broken, a...

  10. 40 CFR 85.2233 - Steady state test equipment calibrations, adjustments, and quality control-EPA 91.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... tolerance range. The pressure in the sample cell must be the same with the calibration gas flowing during... this chapter. The check is done at 30 mph (48 kph), and a power absorption load setting to generate a... in § 85.2225(c)(1) are not met. (2) Leak checks. Each time the sample line integrity is broken, a...

  11. 40 CFR 85.2233 - Steady state test equipment calibrations, adjustments, and quality control-EPA 91.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... tolerance range. The pressure in the sample cell must be the same with the calibration gas flowing during... this chapter. The check is done at 30 mph (48 kph), and a power absorption load setting to generate a... in § 85.2225(c)(1) are not met. (2) Leak checks. Each time the sample line integrity is broken, a...

  12. Oscillator strengths and integral cross sections for the valence-shell excitations of nitric oxide studied by fast electron impact.

    PubMed

    Xu, Xin; Xu, Long-Quan; Xiong, Tao; Chen, Tao; Liu, Ya-Wei; Zhu, Lin-Fan

    2018-01-28

    The generalized oscillator strengths for the valence-shell excitations of A 2 Σ + , C 2 Π, and D 2 Σ + electronic-states of nitric oxide have been determined at an incident electron energy of 1500 eV with an energy resolution of 70 meV. The optical oscillator strengths for these transitions have been obtained by extrapolating the generalized oscillator strengths to the limit that the squared momentum transfer approaches to zero, which give an independent cross-check to the previous experimental and theoretical results. The integral cross sections for the valence-shell excitations of nitric oxide have been determined systematically from the threshold to 2500 eV with the aid of the newly developed BE-scaling method for the first time. The present optical oscillator strengths and integral cross sections of the valence-shell excitations of nitric oxide play an important role in understanding many physics and chemistry of the Earth's upper atmosphere such as the radiative cooling, ozone destruction, day glow, aurora, and so on.

  13. Sci-Fin: Visual Mining Spatial and Temporal Behavior Features from Social Media

    PubMed Central

    Pu, Jiansu; Teng, Zhiyao; Gong, Rui; Wen, Changjiang; Xu, Yang

    2016-01-01

    Check-in records are usually available in social services, which offer us the opportunity to capture and analyze users’ spatial and temporal behaviors. Mining such behavior features is essential to social analysis and business intelligence. However, the complexity and incompleteness of check-in records bring challenges to achieve such a task. Different from the previous work on social behavior analysis, in this paper, we present a visual analytics system, Social Check-in Fingerprinting (Sci-Fin), to facilitate the analysis and visualization of social check-in data. We focus on three major components of user check-in data: location, activity, and profile. Visual fingerprints for location, activity, and profile are designed to intuitively represent the high-dimensional attributes. To visually mine and demonstrate the behavior features, we integrate WorldMapper and Voronoi Treemap into our glyph-like designs. Such visual fingerprint designs offer us the opportunity to summarize the interesting features and patterns from different check-in locations, activities and users (groups). We demonstrate the effectiveness and usability of our system by conducting extensive case studies on real check-in data collected from a popular microblogging service. Interesting findings are reported and discussed at last. PMID:27999398

  14. Sci-Fin: Visual Mining Spatial and Temporal Behavior Features from Social Media.

    PubMed

    Pu, Jiansu; Teng, Zhiyao; Gong, Rui; Wen, Changjiang; Xu, Yang

    2016-12-20

    Check-in records are usually available in social services, which offer us the opportunity to capture and analyze users' spatial and temporal behaviors. Mining such behavior features is essential to social analysis and business intelligence. However, the complexity and incompleteness of check-in records bring challenges to achieve such a task. Different from the previous work on social behavior analysis, in this paper, we present a visual analytics system, Social Check-in Fingerprinting (Sci-Fin), to facilitate the analysis and visualization of social check-in data. We focus on three major components of user check-in data: location, activity, and profile. Visual fingerprints for location, activity, and profile are designed to intuitively represent the high-dimensional attributes. To visually mine and demonstrate the behavior features, we integrate WorldMapper and Voronoi Treemap into our glyph-like designs. Such visual fingerprint designs offer us the opportunity to summarize the interesting features and patterns from different check-in locations, activities and users (groups). We demonstrate the effectiveness and usability of our system by conducting extensive case studies on real check-in data collected from a popular microblogging service. Interesting findings are reported and discussed at last.

  15. Performance of two different digital evaluation systems used for assessing pre-clinical dental students' prosthodontic technical skills.

    PubMed

    Gratton, D G; Kwon, S R; Blanchette, D R; Aquilino, S A

    2017-11-01

    Proper integration of newly emerging digital assessment tools is a central issue in dental education in an effort to provide more accurate and objective feedback to students. The study examined how the outcomes of students' tooth preparation were correlated when evaluated using traditional faculty assessment and two types of digital assessment approaches. Specifically, incorporation of the Romexis Compare 2.0 (Compare) and Sirona prepCheck 1.1 (prepCheck) systems was evaluated. Additionally, satisfaction of students based on the type of software was evaluated through a survey. Students in a second-year pre-clinical prosthodontics course were allocated to either Compare (n = 42) or prepCheck (n = 37) systems. All students received conventional instruction and used their assigned digital system as an additional evaluation tool to aid in assessing their work. Examinations assessed crown preparations of the maxillary right central incisor (#8) and the mandibular left first molar (#19). All submissions were graded by faculty, Compare and prepCheck. Technical scores did not differ between student groups for any of the assessment approaches. Compare and prepCheck had modest, statistically significant correlations with faculty scores with a minimum correlation of 0.3944 (P = 0.0011) and strong, statistically significant correlations with each other with a minimum correlation of 0.8203 (P < 0.0001). A post-course student survey found that 55.26% of the students felt unfavourably about learning the digital evaluation protocols. A total of 62.31% felt favourably about the integration of these digital tools into the curriculum. Comparison of Compare and prepCheck showed no evidence of significant difference in students' prosthodontics technical performance and perception. © 2016 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

  16. Cycle time reduction by Html report in mask checking flow

    NASA Astrophysics Data System (ADS)

    Chen, Jian-Cheng; Lu, Min-Ying; Fang, Xiang; Shen, Ming-Feng; Ma, Shou-Yuan; Yang, Chuen-Huei; Tsai, Joe; Lee, Rachel; Deng, Erwin; Lin, Ling-Chieh; Liao, Hung-Yueh; Tsai, Jenny; Bowhill, Amanda; Vu, Hien; Russell, Gordon

    2017-07-01

    The Mask Data Correctness Check (MDCC) is a reticle-level, multi-layer DRC-like check evolved from mask rule check (MRC). The MDCC uses extended job deck (EJB) to achieve mask composition and to perform a detailed check for positioning and integrity of each component of the reticle. Different design patterns on the mask will be mapped to different layers. Therefore, users may be able to review the whole reticle and check the interactions between different designs before the final mask pattern file is available. However, many types of MDCC check results, such as errors from overlapping patterns usually have very large and complex-shaped highlighted areas covering the boundary of the design. Users have to load the result OASIS file and overlap it to the original database that was assembled in MDCC process on a layout viewer, then search for the details of the check results. We introduce a quick result-reviewing method based on an html format report generated by Calibre® RVE. In the report generation process, we analyze and extract the essential part of result OASIS file to a result database (RDB) file by standard verification rule format (SVRF) commands. Calibre® RVE automatically loads the assembled reticle pattern and generates screen shots of these check results. All the processes are automatically triggered just after the MDCC process finishes. Users just have to open the html report to get the information they need: for example, check summary, captured images of results and their coordinates.

  17. Exact solution for the quench dynamics of a nested integrable system

    NASA Astrophysics Data System (ADS)

    Mestyán, Márton; Bertini, Bruno; Piroli, Lorenzo; Calabrese, Pasquale

    2017-08-01

    Integrable models provide an exact description for a wide variety of physical phenomena. For example nested integrable systems contain different species of interacting particles with a rich phenomenology in their collective behavior, which is the origin of the unconventional phenomenon of spin-charge separation. So far, however, most of the theoretical work in the study of non-equilibrium dynamics of integrable systems has focussed on models with an elementary (i.e. not nested) Bethe ansatz. In this work we explicitly investigate quantum quenches in nested integrable systems, by generalizing the application of the quench action approach. Specifically, we consider the spin-1 Lai-Sutherland model, described, in the thermodynamic limit, by the theory of two different species of Bethe-ansatz particles, each one forming an infinite number of bound states. We focus on the situation where the quench dynamics starts from a simple matrix product state for which the overlaps with the eigenstates of the Hamiltonian are known. We fully characterize the post-quench steady state and perform several consistency checks for the validity of our results. Finally, we provide predictions for the propagation of entanglement and mutual information after the quench, which can be used as signature of the quasi-particle content of the model.

  18. 14 CFR 142.49 - Training center instructor and evaluator privileges and limitations.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... and Flight Training Equipment Requirements § 142.49 Training center instructor and evaluator... each curriculum for which that instructor is qualified. (2) Testing and checking for which that instructor is qualified. (3) Instruction, testing, and checking intended to satisfy the requirements of any...

  19. 14 CFR 142.49 - Training center instructor and evaluator privileges and limitations.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... and Flight Training Equipment Requirements § 142.49 Training center instructor and evaluator... each curriculum for which that instructor is qualified. (2) Testing and checking for which that instructor is qualified. (3) Instruction, testing, and checking intended to satisfy the requirements of any...

  20. 14 CFR 142.49 - Training center instructor and evaluator privileges and limitations.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... and Flight Training Equipment Requirements § 142.49 Training center instructor and evaluator... each curriculum for which that instructor is qualified. (2) Testing and checking for which that instructor is qualified. (3) Instruction, testing, and checking intended to satisfy the requirements of any...

  1. 14 CFR 142.49 - Training center instructor and evaluator privileges and limitations.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... and Flight Training Equipment Requirements § 142.49 Training center instructor and evaluator... each curriculum for which that instructor is qualified. (2) Testing and checking for which that instructor is qualified. (3) Instruction, testing, and checking intended to satisfy the requirements of any...

  2. 14 CFR 142.49 - Training center instructor and evaluator privileges and limitations.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... and Flight Training Equipment Requirements § 142.49 Training center instructor and evaluator... each curriculum for which that instructor is qualified. (2) Testing and checking for which that instructor is qualified. (3) Instruction, testing, and checking intended to satisfy the requirements of any...

  3. Online Academic Integrity

    ERIC Educational Resources Information Center

    Mastin, David F.; Peszka, Jennifer; Lilly, Deborah R.

    2009-01-01

    Psychology students completed a task with reinforcement for successful performance. We tested academic integrity under randomly assigned conditions of check mark acknowledgment of an honor pledge, typed honor pledge, or no pledge. Across all conditions, 14.1% of students inflated their self-reported performance (i.e., cheated). We found no…

  4. Block-Level Added Redundancy Explicit Authentication for Parallelized Encryption and Integrity Checking of Processor-Memory Transactions

    NASA Astrophysics Data System (ADS)

    Elbaz, Reouven; Torres, Lionel; Sassatelli, Gilles; Guillemin, Pierre; Bardouillet, Michel; Martinez, Albert

    The bus between the System on Chip (SoC) and the external memory is one of the weakest points of computer systems: an adversary can easily probe this bus in order to read private data (data confidentiality concern) or to inject data (data integrity concern). The conventional way to protect data against such attacks and to ensure data confidentiality and integrity is to implement two dedicated engines: one performing data encryption and another data authentication. This approach, while secure, prevents parallelizability of the underlying computations. In this paper, we introduce the concept of Block-Level Added Redundancy Explicit Authentication (BL-AREA) and we describe a Parallelized Encryption and Integrity Checking Engine (PE-ICE) based on this concept. BL-AREA and PE-ICE have been designed to provide an effective solution to ensure both security services while allowing for full parallelization on processor read and write operations and optimizing the hardware resources. Compared to standard encryption which ensures only confidentiality, we show that PE-ICE additionally guarantees code and data integrity for less than 4% of run-time performance overhead.

  5. 78 FR 23830 - Airworthiness Directives; Turbomeca S.A. Turboshaft Engines

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-04-23

    ... daily post-flight checks of the engine tachometer's unit cycle-counting feature. This AD also requires ground-run functional checks within every 1,000 operating hours. This AD was prompted by detailed... Airworthiness Limitation Section (ALS) of Arriel 1 Maintenance Manuals has been updated in order to clarify the...

  6. Phase Two Feasibility Study for Software Safety Requirements Analysis Using Model Checking

    NASA Technical Reports Server (NTRS)

    Turgeon, Gregory; Price, Petra

    2010-01-01

    A feasibility study was performed on a representative aerospace system to determine the following: (1) the benefits and limitations to using SCADE , a commercially available tool for model checking, in comparison to using a proprietary tool that was studied previously [1] and (2) metrics for performing the model checking and for assessing the findings. This study was performed independently of the development task by a group unfamiliar with the system, providing a fresh, external perspective free from development bias.

  7. Leaf absorbance and photosynthesis

    NASA Technical Reports Server (NTRS)

    Schurer, Kees

    1994-01-01

    The absorption spectrum of a leaf is often thought to contain some clues to the photosynthetic action spectrum of chlorophyll. Of course, absorption of photons is needed for photosynthesis, but the reverse, photosynthesis when there is absorption, is not necessarily true. As a check on the existence of absorption limits we measured spectra for a few different leaves. Two techniques for measuring absorption have been used, viz. the separate determination of the diffuse reflectance and the diffuse transmittance with the leaf at a port of an integrating sphere and the direct determination of the non-absorbed fraction with the leaf in the sphere. In a cross-check both methods yielded the same results for the absorption spectrum. The spectrum of a Fuchsia leaf, covering the short-wave region from 350 to 2500 nm, shows a high absorption in UV, blue and red, the well known dip in the green and a steep fall-off at 700 nm. Absorption drops to virtually zero in the near infrared, with subsequent absorptions, corresponding to the water absorption bands. In more detailed spectra, taken at 5 nm intervals with a 5 nm bandwidth, differences in chlorophyll content show in the different depths of the dip around 550 nm and in a small shift of the absorption edge at 700 nm. Spectra for Geranium (Pelargonium zonale) and Hibiscus (with a higher chlorophyll content) show that the upper limit for photosynthesis can not be much above 700 nm. No evidence, however, is to be seen of a lower limit for photosynthesis and, in fact, some experiments down to 300 nm still did not show a decrease of the absorption although it is well recognized that no photosynthesis results with 300 nm wavelengths.

  8. Point-of-service, quantitative analysis of ascorbic acid in aqueous humor for evaluating anterior globe integrity

    NASA Astrophysics Data System (ADS)

    Gartia, Manas R.; Misra, Santosh K.; Ye, Mao; Schwartz-Duval, Aaron; Plucinski, Lisa; Zhou, Xiangfei; Kellner, David; Labriola, Leanne T.; Pan, Dipanjan

    2015-11-01

    Limited training, high cost, and low equipment mobility leads to inaccuracies in decision making and is concerning with serious ocular injuries such as suspected ruptured globe or post-operative infections. Here, we present a novel point-of-service (POS) quantitative ascorbic acid (AA) assay with use of the OcuCheck Biosensor. The present work describes the development and clinical testing of the paper-based biosensor that measures the changes in electrical resistance of the enzyme-plated interdigitated electrodes to quantify the level of AA present in ocular fluid. We have demonstrated the proof-of-concept of the biosensor testing 16 clinical samples collected from aqueous humor of patients undergoing therapeutic anterior chamber paracentesis. Comparing with gold standard colorimetric assay for AA concentration, OcuCheck showed accuracy of >80%, sensitivity of >88% and specificity of >71%. At present, there are no FDA-approved POS tests that can directly measures AA concentration levels in ocular fluid. We envisage that the device can be realized as a handheld, battery powered instrument that will have high impact on glaucoma care and point-of-care diagnostics of penetrating ocular globe injuries.

  9. Point-of-service, quantitative analysis of ascorbic acid in aqueous humor for evaluating anterior globe integrity.

    PubMed

    Gartia, Manas R; Misra, Santosh K; Ye, Mao; Schwartz-Duval, Aaron; Plucinski, Lisa; Zhou, Xiangfei; Kellner, David; Labriola, Leanne T; Pan, Dipanjan

    2015-11-03

    Limited training, high cost, and low equipment mobility leads to inaccuracies in decision making and is concerning with serious ocular injuries such as suspected ruptured globe or post-operative infections. Here, we present a novel point-of-service (POS) quantitative ascorbic acid (AA) assay with use of the OcuCheck Biosensor. The present work describes the development and clinical testing of the paper-based biosensor that measures the changes in electrical resistance of the enzyme-plated interdigitated electrodes to quantify the level of AA present in ocular fluid. We have demonstrated the proof-of-concept of the biosensor testing 16 clinical samples collected from aqueous humor of patients undergoing therapeutic anterior chamber paracentesis. Comparing with gold standard colorimetric assay for AA concentration, OcuCheck showed accuracy of >80%, sensitivity of >88% and specificity of >71%. At present, there are no FDA-approved POS tests that can directly measures AA concentration levels in ocular fluid. We envisage that the device can be realized as a handheld, battery powered instrument that will have high impact on glaucoma care and point-of-care diagnostics of penetrating ocular globe injuries.

  10. Point-of-service, quantitative analysis of ascorbic acid in aqueous humor for evaluating anterior globe integrity

    PubMed Central

    Gartia, Manas R.; Misra, Santosh K.; Ye, Mao; Schwartz-Duval, Aaron; Plucinski, Lisa; Zhou, Xiangfei; Kellner, David; Labriola, Leanne T.; Pan, Dipanjan

    2015-01-01

    Limited training, high cost, and low equipment mobility leads to inaccuracies in decision making and is concerning with serious ocular injuries such as suspected ruptured globe or post-operative infections. Here, we present a novel point-of-service (POS) quantitative ascorbic acid (AA) assay with use of the OcuCheck Biosensor. The present work describes the development and clinical testing of the paper-based biosensor that measures the changes in electrical resistance of the enzyme-plated interdigitated electrodes to quantify the level of AA present in ocular fluid. We have demonstrated the proof-of-concept of the biosensor testing 16 clinical samples collected from aqueous humor of patients undergoing therapeutic anterior chamber paracentesis. Comparing with gold standard colorimetric assay for AA concentration, OcuCheck showed accuracy of >80%, sensitivity of >88% and specificity of >71%. At present, there are no FDA-approved POS tests that can directly measures AA concentration levels in ocular fluid. We envisage that the device can be realized as a handheld, battery powered instrument that will have high impact on glaucoma care and point-of-care diagnostics of penetrating ocular globe injuries. PMID:26525715

  11. Check Calibration of the NASA Glenn 10- by 10-Foot Supersonic Wind Tunnel (2014 Test Entry)

    NASA Technical Reports Server (NTRS)

    Johnson, Aaron; Pastor-Barsi, Christine; Arrington, E. Allen

    2016-01-01

    A check calibration of the 10- by 10-Foot Supersonic Wind Tunnel (SWT) was conducted in May/June 2014 using an array of five supersonic wedge probes to verify the 1999 Calibration. This check calibration was necessary following a control systems upgrade and an integrated systems test (IST). This check calibration was required to verify the tunnel flow quality was unchanged by the control systems upgrade prior to the next test customer beginning their test entry. The previous check calibration of the tunnel occurred in 2007, prior to the Mars Science Laboratory test program. Secondary objectives of this test entry included the validation of the new Cobra data acquisition system (DAS) against the current Escort DAS and the creation of statistical process control (SPC) charts through the collection of series of repeated test points at certain predetermined tunnel parameters. The SPC charts secondary objective was not completed due to schedule constraints. It is hoped that this effort will be readdressed and completed in the near future.

  12. A risk-based, product-level approach for assuring aquatic environmental safety of cleaning products in the context of sustainability: The Environmental Safety Check (ESC) scheme of the A.I.S.E. Charter for Sustainable Cleaning.

    PubMed

    Pickup, John Alexander; Dewaele, Joost; Furmanski, Nicola L; Kowalczyk, Agnieszka; Luijkx, Gerard Ca; Mathieu, Sophie; Stelter, Norbert

    2017-01-01

    Cleaning products have long been a focus of efforts to improve sustainability and assure safety for the aquatic environment when disposed of after use. The latter is addressed at ingredient level through environmental risk assessment, including in formal frameworks such as REACH. Nevertheless, in the context of programs to improve overall sustainability, stakeholders demand both environmental safety assurance and progress at product level. Current product-level approaches for aquatic toxicity (e.g., USEtox™, Critical Dilution Volume) can be seen as predominantly hazard-based. The more logical approach would be risk-based, because ecotoxicity is generally threshold-dependent and hazard-based assessment produces conflicts with risk-based learnings. The development of a risk-based approach to assess formulated products is described: the International Association for Soaps, Detergents and Maintenance Products (A.I.S.E.) Charter Environmental Safety Check (ESC), which is consistent with the scientific principles underlying REACH. This is implemented through a simple spreadsheet tool and internal database of ingredient parameters including predicted no-effect concentration (PNEC) and removal rate. A novel feature is applying market volume information for both product types and ingredients to permit a risk-based calculation. To pass the ESC check, the projected environmental safety ratio (PESR) for each ingredient as formulated and dosed (unless cleared by a published risk assessment or exempted as inherently low risk) must be less than 1. The advantages of a risk-based approach are discussed. The strengths and limitations of various possible approaches to standard-setting, product-ranking and driving continuous improvement in respect of potential ecotoxic impacts on the aquatic environment are considered. It is proposed that as ecotoxicity is generally accepted to be threshold-dependent, with no effect below the threshold, the most constructive approach to continuous improvement of sustainability with regard to ecotoxicity is to focus efforts on instances where the safety margins for ingredients as used in specific products are narrow. This necessitates a risk-based approach. Integr Environ Assess Manag 2017;13:127-138. © 2016 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals, Inc. on behalf of SETAC. © 2016 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals, Inc. on behalf of SETAC.

  13. Assessment of check-dam groundwater recharge with water-balance calculations

    NASA Astrophysics Data System (ADS)

    Djuma, Hakan; Bruggeman, Adriana; Camera, Corrado; Eliades, Marinos

    2017-04-01

    Studies on the enhancement of groundwater recharge by check-dams in arid and semi-arid environments mainly focus on deriving water infiltration rates from the check-dam ponding areas. This is usually achieved by applying simple water balance models, more advanced models (e.g., two dimensional groundwater models) and field tests (e.g., infiltrometer test or soil pit tests). Recharge behind the check-dam can be affected by the built-up of sediment as a result of erosion in the upstream watershed area. This natural process can increase the uncertainty in the estimates of the recharged water volume, especially for water balance calculations. Few water balance field studies of individual check-dams have been presented in the literature and none of them presented associated uncertainties of their estimates. The objectives of this study are i) to assess the effect of a check-dam on groundwater recharge from an ephemeral river; and ii) to assess annual sedimentation at the check-dam during a 4-year period. The study was conducted on a check-dam in the semi-arid island of Cyprus. Field campaigns were carried out to measure water flow, water depth and check-dam topography in order to establish check-dam water height, volume, evaporation, outflow and recharge relations. Topographic surveys were repeated at the end of consecutive hydrological years to estimate the sediment built up in the reservoir area of the check dam. Also, sediment samples were collected from the check-dam reservoir area for bulk-density analyses. To quantify the groundwater recharge, a water balance model was applied at two locations: at the check-dam and corresponding reservoir area, and at a 4-km stretch of the river bed without check-dam. Results showed that a check-dam with a storage capacity of 25,000 m3 was able to recharge to the aquifer, in four years, a total of 12 million m3 out of the 42 million m3 of measured (or modelled) streamflow. Recharge from the analyzed 4-km long river section without check-dam was estimated to be 1 million m3. Upper and lower limits of prediction intervals were computed to assess the uncertainties of the results. The model was rerun with these values and resulted in recharge values of 0.4 m3 as lower and 38 million m3 as upper limit. The sediment survey in the check-dam reservoir area showed that the reservoir area was filled with 2,000 to 3,000 tons of sediment after one rainfall season. This amount of sediment corresponds to 0.2 to 2 t h-1 y-1 sediment yield at the watershed level and reduces the check-dam storage capacity by approximately 10%. Results indicate that check-dams are valuable structures for increasing groundwater resources, but special attention should be given to soil erosion occurring in the upstream area and the resulting sediment built-up in the check-dam reservoir area. This study has received funding from the EU FP7 RECARE Project (GA 603498)

  14. Biochemia Medica has started using the CrossCheck plagiarism detection software powered by iThenticate

    PubMed Central

    Šupak-Smolčić, Vesna; Šimundić, Ana-Maria

    2013-01-01

    In February 2013, Biochemia Medica has joined CrossRef, which enabled us to implement CrossCheck plagiarism detection service. Therefore, all manuscript submitted to Biochemia Medica are now first assigned to Research integrity editor (RIE), before sending the manuscript for peer-review. RIE submits the text to CrossCheck analysis and is responsible for reviewing the results of the text similarity analysis. Based on the CrossCheck analysis results, RIE subsequently provides a recommendation to the Editor-in-chief (EIC) on whether the manuscript should be forwarded to peer-review, corrected for suspected parts prior to peer-review or immediately rejected. Final decision on the manuscript is, however, with the EIC. We hope that our new policy and manuscript processing algorithm will help us to further increase the overall quality of our Journal. PMID:23894858

  15. Parallel State Space Construction for a Model Checking Based on Maximality Semantics

    NASA Astrophysics Data System (ADS)

    El Abidine Bouneb, Zine; Saīdouni, Djamel Eddine

    2009-03-01

    The main limiting factor of the model checker integrated in the concurrency verification environment FOCOVE [1, 2], which use the maximality based labeled transition system (noted MLTS) as a true concurrency model[3, 4], is currently the amount of available physical memory. Many techniques have been developed to reduce the size of a state space. An interesting technique among them is the alpha equivalence reduction. Distributed memory execution environment offers yet another choice. The main contribution of the paper is to show that the parallel state space construction algorithm proposed in [5], which is based on interleaving semantics using LTS as semantic model, may be adapted easily to the distributed implementation of the alpha equivalence reduction for the maximality based labeled transition systems.

  16. Beyond Member-Checking: A Dialogic Approach to the Research Interview

    ERIC Educational Resources Information Center

    Harvey, Lou

    2015-01-01

    This article presents a dialogic qualitative interview design for a narrative study of six international UK university students' motivation for learning English. Based on the work of Mikhail Bakhtin, this design was developed in order to address the limitations of member-checking [Lincoln, Y. S., and E. G. Guba. 1985. "Naturalistic…

  17. 48 CFR 352.237-72 - Crime Control Act-requirement for background checks.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... of 1990 (Act), requires that all individuals involved with the provision of child care services to children under the age of 18 undergo a criminal background check. “Child care services” include, but are not limited to, social services, health and mental health care, child (day) care, education (whether...

  18. 48 CFR 352.237-72 - Crime Control Act-requirement for background checks.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... of 1990 (Act), requires that all individuals involved with the provision of child care services to children under the age of 18 undergo a criminal background check. “Child care services” include, but are not limited to, social services, health and mental health care, child (day) care, education (whether...

  19. 48 CFR 352.237-72 - Crime Control Act-requirement for background checks.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... of 1990 (Act), requires that all individuals involved with the provision of child care services to children under the age of 18 undergo a criminal background check. “Child care services” include, but are not limited to, social services, health and mental health care, child (day) care, education (whether...

  20. 48 CFR 352.237-72 - Crime Control Act-requirement for background checks.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... of 1990 (Act), requires that all individuals involved with the provision of child care services to children under the age of 18 undergo a criminal background check. “Child care services” include, but are not limited to, social services, health and mental health care, child (day) care, education (whether...

  1. 48 CFR 352.237-72 - Crime Control Act-requirement for background checks.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... of 1990 (Act), requires that all individuals involved with the provision of child care services to children under the age of 18 undergo a criminal background check. “Child care services” include, but are not limited to, social services, health and mental health care, child (day) care, education (whether...

  2. Development of Advanced Czochralski Growth Process to produce low cost 150 KG silicon ingots from a single crucible for technology readiness

    NASA Technical Reports Server (NTRS)

    1981-01-01

    The modified CG2000 crystal grower construction, installation, and machine check-out was completed. The process development check-out proceeded with several dry runs and one growth run. Several machine calibrations and functional problems were discovered and corrected. Several exhaust gas analysis system alternatives were evaluated and an integrated system approved and ordered. A contract presentation was made at the Project Integration Meeting at JPL, including cost-projections using contract projected throughput and machine parameters. Several growth runs on a development CG200 RC grower show that complete neck, crown, and body automated growth can be achieved with only one operator input. Work continued for melt level, melt temperature, and diameter sensor development.

  3. Low-cost and high-speed optical mark reader based on an intelligent line camera

    NASA Astrophysics Data System (ADS)

    Hussmann, Stephan; Chan, Leona; Fung, Celine; Albrecht, Martin

    2003-08-01

    Optical Mark Recognition (OMR) is thoroughly reliable and highly efficient provided that high standards are maintained at both the planning and implementation stages. It is necessary to ensure that OMR forms are designed with due attention to data integrity checks, the best use is made of features built into the OMR, used data integrity is checked before the data is processed and data is validated before it is processed. This paper describes the design and implementation of an OMR prototype system for marking multiple-choice tests automatically. Parameter testing is carried out before the platform and the multiple-choice answer sheet has been designed. Position recognition and position verification methods have been developed and implemented in an intelligent line scan camera. The position recognition process is implemented into a Field Programmable Gate Array (FPGA), whereas the verification process is implemented into a micro-controller. The verified results are then sent to the Graphical User Interface (GUI) for answers checking and statistical analysis. At the end of the paper the proposed OMR system will be compared with commercially available system on the market.

  4. Improving the Simplified Acquisition of Base Engineering Requirements (SABER) Delivery Order Award Process: Results of a Process Improvement Plan

    DTIC Science & Technology

    1991-09-01

    putting all tasks directed towsrds achieving an outcome in aequence. The tasks can be viewed as steps in the process (39:2.3). Using this...improvement opportunity is investigated. A plan is developed, root causes are identified, and solutions are tested and implemented. The process is... solutions , check for actual improvement, and integrate the successful improvements into the process. ?UP 7. Check Improvement Performance. Finally, the

  5. A New Method for Analyzing Near-Field Faraday Probe Data in Hall Thrusters

    NASA Technical Reports Server (NTRS)

    Huang, Wensheng; Shastry, Rohit; Herman, Daniel A.; Soulas, George C.; Kamhawi, Hani

    2013-01-01

    This paper presents a new method for analyzing near-field Faraday probe data obtained from Hall thrusters. Traditional methods spawned from far-field Faraday probe analysis rely on assumptions that are not applicable to near-field Faraday probe data. In particular, arbitrary choices for the point of origin and limits of integration have made interpretation of the results difficult. The new method, called iterative pathfinding, uses the evolution of the near-field plume with distance to provide feedback for determining the location of the point of origin. Although still susceptible to the choice of integration limits, this method presents a systematic approach to determining the origin point for calculating the divergence angle. The iterative pathfinding method is applied to near-field Faraday probe data taken in a previous study from the NASA-300M and NASA-457Mv2 Hall thrusters. Since these two thrusters use centrally mounted cathodes the current density associated with the cathode plume is removed before applying iterative pathfinding. A procedure is presented for removing the cathode plume. The results of the analysis are compared to far-field probe analysis results. This paper ends with checks on the validity of the new method and discussions on the implications of the results.

  6. A New Method for Analyzing Near-Field Faraday Probe Data in Hall Thrusters

    NASA Technical Reports Server (NTRS)

    Huang, Wensheng; Shastry, Rohit; Herman, Daniel A.; Soulas, George C.; Kamhawi, Hani

    2013-01-01

    This paper presents a new method for analyzing near-field Faraday probe data obtained from Hall thrusters. Traditional methods spawned from far-field Faraday probe analysis rely on assumptions that are not applicable to near-field Faraday probe data. In particular, arbitrary choices for the point of origin and limits of integration have made interpretation of the results difficult. The new method, called iterative pathfinding, uses the evolution of the near-field plume with distance to provide feedback for determining the location of the point of origin. Although still susceptible to the choice of integration limits, this method presents a systematic approach to determining the origin point for calculating the divergence angle. The iterative pathfinding method is applied to near-field Faraday probe data taken in a previous study from the NASA-300M and NASA-457Mv2 Hall thrusters. Since these two thrusters use centrally mounted cathodes, the current density associated with the cathode plume is removed before applying iterative pathfinding. A procedure is presented for removing the cathode plume. The results of the analysis are compared to far-field probe analysis results. This paper ends with checks on the validity of the new method and discussions on the implications of the results.

  7. 75 FR 63045 - Airworthiness Directives; BAE SYSTEMS (OPERATIONS) LIMITED Model BAe 146 and Avro 146-RJ Airplanes

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-10-14

    ... the fitting and wing structure. Checking the nuts with a suitable torque spanner to the specifications in the torque figures shown in Table 2. of the Accomplishment Instructions of BAE SYSTEMS (OPERATIONS... installed, and Doing either an ultrasonic inspection for damaged bolts or torque check of the tension bolts...

  8. 76 FR 13069 - Airworthiness Directives; BAE Systems (Operations) Limited Model ATP Airplanes; BAE Systems...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-03-10

    ..., an operator found an aileron trim tab hinge pin that had migrated sufficiently to cause a rubbing.... Recently, during a walk round check, an operator found an aileron trim tab hinge pin that had migrated... walk round check, an operator found an aileron trim tab hinge pin that had migrated sufficiently to...

  9. 26 CFR 301.6867-1 - Presumptions where owner of large amount of cash is not identified.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... Revenue Code, relating to abatements, credits, and refunds, and may not institute a suit for refund in... 6532(c), relating to the 9-month statute of limitations for suits under section 7426. In addition, the...) Postage stamps; (F) Traveler's checks in any form; (G) Negotiable instruments (including personal checks...

  10. 26 CFR 301.6867-1 - Presumptions where owner of large amount of cash is not identified.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... Revenue Code, relating to abatements, credits, and refunds, and may not institute a suit for refund in... 6532(c), relating to the 9-month statute of limitations for suits under section 7426. In addition, the...) Postage stamps; (F) Traveler's checks in any form; (G) Negotiable instruments (including personal checks...

  11. Checking the Grammar Checker: Integrating Grammar Instruction with Writing.

    ERIC Educational Resources Information Center

    McAlexander, Patricia J.

    2000-01-01

    Notes Rei Noguchi's recommendation of integrating grammar instruction with writing instruction and teaching only the most vital terms and the most frequently made errors. Presents a project that provides a review of the grammar lessons, applies many grammar rules specifically to the students' writing, and teaches students the effective use of the…

  12. Conceptual Integration of Chemical Equilibrium by Prospective Physical Sciences Teachers

    ERIC Educational Resources Information Center

    Ganaras, Kostas; Dumon, Alain; Larcher, Claudine

    2008-01-01

    This article describes an empirical study concerning the mastering of the chemical equilibrium concept by prospective physical sciences teachers. The main objective was to check whether the concept of chemical equilibrium had become an integrating and unifying concept for them, that is to say an operational and functional knowledge to explain and…

  13. Code development for ships -- A demonstration

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Ayyub, B.; Mansour, A.E.; White, G.

    1996-12-31

    A demonstration summary of a reliability-based structural design code for ships is presented for two ship types, a cruiser and a tanker. For both ship types, code requirements cover four failure modes: hull girder bulking, unstiffened plate yielding and buckling, stiffened plate buckling, and fatigue of critical detail. Both serviceability and ultimate limit states are considered. Because of limitation on the length, only hull girder modes are presented in this paper. Code requirements for other modes will be presented in future publication. A specific provision of the code will be a safety check expression. The design variables are to bemore » taken at their nominal values, typically values in the safe side of the respective distributions. Other safety check expressions for hull girder failure that include load combination factors, as well as consequence of failure factors, are considered. This paper provides a summary of safety check expressions for the hull girder modes.« less

  14. Character expansion methods for matrix models of dually weighted graphs

    NASA Astrophysics Data System (ADS)

    Kazakov, Vladimir A.; Staudacher, Matthias; Wynter, Thomas

    1996-04-01

    We consider generalized one-matrix models in which external fields allow control over the coordination numbers on both the original and dual lattices. We rederive in a simple fashion a character expansion formula for these models originally due to Itzykson and Di Francesco, and then demonstrate how to take the large N limit of this expansion. The relationship to the usual matrix model resolvent is elucidated. Our methods give as a by-product an extremely simple derivation of the Migdal integral equation describing the large N limit of the Itzykson-Zuber formula. We illustrate and check our methods by analysing a number of models solvable by traditional means. We then proceed to solve a new model: a sum over planar graphys possessing even coordination numbers on both the original and the dual lattice. We conclude by formulating the equations for the case of arbitrary sets of even, self-dual coupling constants. This opens the way for studying the deep problems of phase transitions from random to flat lattices. January 1995

  15. Metrology Laboratory | Energy Systems Integration Facility | NREL

    Science.gov Websites

    and artificial) Spectral reflectance and transmission of materials (functional check only , pyrheliometers,* pyranometers,* and pyrgeometers. The Metrology Laboratory provides National Institute of

  16. [Design and implementation of data checking system for Chinese materia medica resources survey].

    PubMed

    Wang, Hui; Zhang, Xiao-Bo; Ge, Xiao-Guang; Jin, Yan; Jing, Zhi-Xian; Qi, Yuan-Hua; Wang, Ling; Zhao, Yu-Ping; Wang, Wei; Guo, Lan-Ping; Huang, Lu-Qi

    2017-11-01

    The Chinese material medica resources (CMMR) national survey information management system has collected a large amount of data. To help dealing with data recheck, reduce the work of inside, improve the recheck of survey data from provincial and county level, National Resource Center for Chinese Materia Medical has designed a data checking system for Chinese material medica resources survey based on J2EE technology, Java language, Oracle data base in accordance with the SOA framework. It includes single data check, check score, content manage, check the survey data census data with manual checking and automatic checking about census implementation plan, key research information, general survey information, cultivation of medicinal materials information, germplasm resources information the medicine information, market research information, traditional knowledge information, specimen information of this 9 aspects 20 class 175 indicators in two aspects of the quantity and quality. The established system assists in the completion of the data consistency and accuracy, pushes the county survey team timely to complete the data entry arrangement work, so as to improve the integrity, consistency and accuracy of the survey data, and ensure effective and available data, which lay a foundation for providing accurate data support for national survey of the Chinese material medica resources (CMMR) results summary, and displaying results and sharing. Copyright© by the Chinese Pharmaceutical Association.

  17. [Advanced information technologies for financial services industry]. Final report

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    NONE

    The project scope is to develop an advanced user interface utilizing speech and/or handwriting recognition technology that will improve the accuracy and speed of recording transactions in the dynamic environment of a foreign exchange (FX) trading floor. The project`s desired result is to improve the base technology for trader`s workstations on FX trading floors. Improved workstation effectiveness will allow vast amounts of complex information and events to be presented and analyzed, thus increasing the volume of money and other assets to be exchanged at an accelerated rate. The project scope is to develop and demonstrate technologies that advance interbank checkmore » imaging and paper check truncation. The following describes the tasks to be completed: (1) Identify the economics value case, the legal and regulatory issues, the business practices that are affected, and the effects upon settlement. (2) Familiarization with existing imaging technology. Develop requirements for image quality, security, and interoperability. Adapt existing technologies to meet requirements. (3) Define requirements for the imaging laboratory and design its architecture. Integrate and test technology from task 2 with equipment in the laboratory. (4) Develop and/or integrate and test remaining components; includes security, storage, and communications. (5) Build a prototype system and test in a laboratory. Install and run in two or more banks. Develop documentation. Conduct training. The project`s desired result is to enable a proof-of-concept trial in which multiple banks will exchange check images, exhibiting operating conditions which a check experiences as it travels through the payments/clearing system. The trial should demonstrate the adequacy of digital check images instead of paper checks.« less

  18. CCM-C,Collins checks the middeck experiment

    NASA Image and Video Library

    1999-07-24

    S93-E-5016 (23 July 1999) --- Astronaut Eileen M. Collins, mission commander, checks on an experiment on Columbia's middeck during Flight Day 1 activity. The experiment is called the Cell Culture Model, Configuration C. Objectives of it are to validate cell culture models for muscle, bone and endothelial cell biochemical and functional loss induced by microgravity stress; to evaluate cytoskeleton, metabolism, membrane integrity and protease activity in target cells; and to test tissue loss pharmaceuticals for efficacy. The photo was recorded with an electronic still camera (ESC).

  19. KSC-00padig103

    NASA Image and Video Library

    2000-11-28

    STS-97 Mission Specialist Joseph Tanner gets help with his boots from suit technician Erin Canlon during check pre-pack and fit check. Mission STS-97 is the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections. STS-97 is scheduled to launch Nov. 30 at about 10:06 p.m. EST

  20. NASA Dryden technicians work on a fit-check mockup in preparation for systems installation work on an Orion boilerplate crew capsule for launch abort testing.

    NASA Image and Video Library

    2008-01-24

    NASA Dryden technicians work on a fit-check mockup in preparation for systems installation work on an Orion boilerplate crew capsule for launch abort testing. A mockup Orion crew module has been constructed by NASA Dryden Flight Research Center's Fabrication Branch. The mockup is being used to develop integration procedures for avionics and instrumentation in advance of the arrival of the first abort flight test article.

  1. NASA Dryden technicians take measurements inside a fit-check mockup for prior to systems installation on a boilerplate Orion launch abort test crew capsule.

    NASA Image and Video Library

    2008-01-24

    NASA Dryden technicians take measurements inside a fit-check mockup for prior to systems installation on a boilerplate Orion launch abort test crew capsule. A mockup Orion crew module has been constructed by NASA Dryden Flight Research Center's Fabrication Branch. The mockup is being used to develop integration procedures for avionics and instrumentation in advance of the arrival of the first abort flight test article.

  2. The Application of Lidar to Synthetic Vision System Integrity

    NASA Technical Reports Server (NTRS)

    Campbell, Jacob L.; UijtdeHaag, Maarten; Vadlamani, Ananth; Young, Steve

    2003-01-01

    One goal in the development of a Synthetic Vision System (SVS) is to create a system that can be certified by the Federal Aviation Administration (FAA) for use at various flight criticality levels. As part of NASA s Aviation Safety Program, Ohio University and NASA Langley have been involved in the research and development of real-time terrain database integrity monitors for SVS. Integrity monitors based on a consistency check with onboard sensors may be required if the inherent terrain database integrity is not sufficient for a particular operation. Sensors such as the radar altimeter and weather radar, which are available on most commercial aircraft, are currently being investigated for use in a real-time terrain database integrity monitor. This paper introduces the concept of using a Light Detection And Ranging (LiDAR) sensor as part of a real-time terrain database integrity monitor. A LiDAR system consists of a scanning laser ranger, an inertial measurement unit (IMU), and a Global Positioning System (GPS) receiver. Information from these three sensors can be combined to generate synthesized terrain models (profiles), which can then be compared to the stored SVS terrain model. This paper discusses an initial performance evaluation of the LiDAR-based terrain database integrity monitor using LiDAR data collected over Reno, Nevada. The paper will address the consistency checking mechanism and test statistic, sensitivity to position errors, and a comparison of the LiDAR-based integrity monitor to a radar altimeter-based integrity monitor.

  3. Communication Satellite Payload Special Check out Equipment (SCOE) for Satellite Testing

    NASA Astrophysics Data System (ADS)

    Subhani, Noman

    2016-07-01

    This paper presents Payload Special Check out Equipment (SCOE) for the test and measurement of communication satellite Payload at subsystem and system level. The main emphasis of this paper is to demonstrate the principle test equipment, instruments and the payload test matrix for an automatic test control. Electrical Ground Support Equipment (EGSE)/ Special Check out Equipment (SCOE) requirements, functions and architecture for C-band and Ku-band payloads are presented in details along with their interface with satellite during different phases of satellite testing. It provides test setup, in a single rack cabinet that can easily be moved from payload assembly and integration environment to thermal vacuum chamber all the way to launch site (for pre-launch test and verification).

  4. Manipulation of Microenvironment with a Built-in Electrochemical Actuator in Proximity of a Dissolved Oxygen Microsensor

    NASA Technical Reports Server (NTRS)

    Kim, Chang-Soo; Lee, Cae-Hyang; Fiering, Jason O.; Ufer, Stefan; Scarantino, Charles W.; Nagle, H. Troy; Fiering, Jason O.; Ufer, Stefan; Nagle, H. Troy; Scarantino, Charles W.

    2004-01-01

    Abstract - Biochemical sensors for continuous monitoring require dependable periodic self- diagnosis with acceptable simplicity to check its functionality during operation. An in situ self- diagnostic technique for a dissolved oxygen microsensor is proposed in an effort to devise an intelligent microsensor system with an integrated electrochemical actuation electrode. With a built- in platinum microelectrode that surrounds the microsensor, two kinds of microenvironments, called the oxygen-saturated or oxygen-depleted phases, can be created by water electrolysis depending on the polarity. The functionality of the microsensor can be checked during these microenvironment phases. The polarographic oxygen microsensor is fabricated on a flexible polyimide substrate (Kapton) and the feasibility of the proposed concept is demonstrated in a physiological solution. The sensor responds properly during the oxygen-generating and oxygen- depleting phases. The use of these microenvironments for in situ self-calibration is discussed to achieve functional integration as well as structural integration of the microsensor system.

  5. Multirate control with incomplete information over Profibus-DP network

    NASA Astrophysics Data System (ADS)

    Salt, J.; Casanova, V.; Cuenca, A.; Pizá, R.

    2014-07-01

    When a process field bus-decentralized peripherals (Profibus-DP) network is used in an industrial environment, a deterministic behaviour is usually claimed. However, due to some concerns such as bandwidth limitations, lack of synchronisation among different clocks and existence of time-varying delays, a more complex problem must be faced. This problem implies the transmission of irregular and, even, random sequences of incomplete information. The main consequence of this issue is the appearance of different sampling periods at different network devices. In this paper, this aspect is checked by means of a detailed Profibus-DP timescale study. In addition, in order to deal with the different periods, a delay-dependent dual-rate proportional-integral-derivative control is introduced. Stability for the proposed control system is analysed in terms of linear matrix inequalities.

  6. Bremsstrahlung function, leading Lüscher correction at weak coupling and localization

    NASA Astrophysics Data System (ADS)

    Bonini, Marisa; Griguolo, Luca; Preti, Michelangelo; Seminara, Domenico

    2016-02-01

    We discuss the near BPS expansion of the generalized cusp anomalous dimension with L units of R-charge. Integrability provides an exact solution, obtained by solving a general TBA equation in the appropriate limit: we propose here an alternative method based on supersymmetric localization. The basic idea is to relate the computation to the vacuum expectation value of certain 1/8 BPS Wilson loops with local operator insertions along the contour. These observables localize on a two-dimensional gauge theory on S 2, opening the possibility of exact calculations. As a test of our proposal, we reproduce the leading Lüscher correction at weak coupling to the generalized cusp anomalous dimension. This result is also checked against a genuine Feynman diagram approach in {N}=4 Super Yang-Mills theory.

  7. Intelligent Data Visualization for Cross-Checking Spacecraft System Diagnosis

    NASA Technical Reports Server (NTRS)

    Ong, James C.; Remolina, Emilio; Breeden, David; Stroozas, Brett A.; Mohammed, John L.

    2012-01-01

    Any reasoning system is fallible, so crew members and flight controllers must be able to cross-check automated diagnoses of spacecraft or habitat problems by considering alternate diagnoses and analyzing related evidence. Cross-checking improves diagnostic accuracy because people can apply information processing heuristics, pattern recognition techniques, and reasoning methods that the automated diagnostic system may not possess. Over time, cross-checking also enables crew members to become comfortable with how the diagnostic reasoning system performs, so the system can earn the crew s trust. We developed intelligent data visualization software that helps users cross-check automated diagnoses of system faults more effectively. The user interface displays scrollable arrays of timelines and time-series graphs, which are tightly integrated with an interactive, color-coded system schematic to show important spatial-temporal data patterns. Signal processing and rule-based diagnostic reasoning automatically identify alternate hypotheses and data patterns that support or rebut the original and alternate diagnoses. A color-coded matrix display summarizes the supporting or rebutting evidence for each diagnosis, and a drill-down capability enables crew members to quickly view graphs and timelines of the underlying data. This system demonstrates that modest amounts of diagnostic reasoning, combined with interactive, information-dense data visualizations, can accelerate system diagnosis and cross-checking.

  8. Electronic collection system for spacelab mission timeline requirements

    NASA Technical Reports Server (NTRS)

    Lindberg, James P.; Piner, John R.; Huang, Allen K. H.

    1995-01-01

    This paper describes the Functional Objective Requirements Collection System (FORCS) software tool that has been developed for use by Principal Investigators (PI's) and Payload Element Developers (PED's) on their own personal computers to develop on-orbit timelining requirements for their payloads. The FORCS tool can be used either in a totally stand-alone mode, storing the information in a local file on the user's personal computer hard disk or in a remote mode where the user's computer is linked to a host computer containing the integrated database of the timeline requirements for all of the payloads on a mission. There are a number of features incorporated in the FORCS software to assist the user. The user may move freely back and forth between the various forms for inputting the data. Several methods are used to input the information, depending on the type of the information. These methods range from filling in text boxes, using check boxes and radio buttons, to inputting information into a spreadsheet format. There are automated features provided to assist in developing the proper format for the data, ranging from limit checking on some of the parameters to automatic conversion of different formats of time data inputs to the one standard format used for the timeline scheduling software.

  9. Cuba: Multidimensional numerical integration library

    NASA Astrophysics Data System (ADS)

    Hahn, Thomas

    2016-08-01

    The Cuba library offers four independent routines for multidimensional numerical integration: Vegas, Suave, Divonne, and Cuhre. The four algorithms work by very different methods, and can integrate vector integrands and have very similar Fortran, C/C++, and Mathematica interfaces. Their invocation is very similar, making it easy to cross-check by substituting one method by another. For further safeguarding, the output is supplemented by a chi-square probability which quantifies the reliability of the error estimate.

  10. Ensuring the Quality of Data Packages in the LTER Network Provenance Aware Synthesis Tracking Architecture Data Management System and Archive

    NASA Astrophysics Data System (ADS)

    Servilla, M. S.; O'Brien, M.; Costa, D.

    2013-12-01

    Considerable ecological research performed today occurs through the analysis of data downloaded from various repositories and archives, often resulting in derived or synthetic products generated by automated workflows. These data are only meaningful for research if they are well documented by metadata, lest semantic or data type errors may occur in interpretation or processing. The Long Term Ecological Research (LTER) Network now screens all data packages entering its long-term archive to ensure that each package contains metadata that is complete, of high quality, and accurately describes the structure of its associated data entity and the data are structurally congruent to the metadata. Screening occurs prior to the upload of a data package into the Provenance Aware Synthesis Tracking Architecture (PASTA) data management system through a series of quality checks, thus preventing ambiguously or incorrectly documented data packages from entering the system. The quality checks within PASTA are designed to work specifically with the Ecological Metadata Language (EML), the metadata standard adopted by the LTER Network to describe data generated by their 26 research sites. Each quality check is codified in Java as part of the ecological community-supported Data Manager Library, which is a resource of the EML specification and used as a component of the PASTA software stack. Quality checks test for metadata quality, data integrity, or metadata-data congruence. Quality checks are further classified as either conditional or informational. Conditional checks issue a 'valid', 'warning' or 'error' response. Only an 'error' response blocks the data package from upload into PASTA. Informational checks only provide descriptive content pertaining to a particular facet of the data package. Quality checks are designed by a group of LTER information managers and reviewed by the LTER community before deploying into PASTA. A total of 32 quality checks have been deployed to date. Quality checks can be customized through a configurable template, which includes turning checks 'on' or 'off' and setting the severity of conditional checks. This feature is important to other potential users of the Data Manager Library who wish to configure its quality checks in accordance with the standards of their community. Executing the complete set of quality checks produces a report that describes the result of each check. The report is an XML document that is stored by PASTA for future reference.

  11. Ethnic and language disparities in diabetes care among California residents.

    PubMed

    Choi, Sarah; Lee, Jung-Ah; Rush, Elizabeth

    2011-01-01

    We examined ethnic and language disparities in diabetes care and management among California residents with type 2 diabetes based on ethnicity and English-language proficiency. Data were drawn from the 2007 California Health Interview Survey with a total of 3,531 Asian, Latino, and Caucasian adults with diabetes. Latino and Asian groups were subdivided by their limited English proficiency (LEP) level. Population-weighted regression analyses were conducted to examine group differences, controlling for socioeconomic and clinical variables. Latino English Proficient (EP) and Latino LEP respondents received fewer hemoglobin A1c checks (EP: b = -0.11, P < .05; LEP: b = -0.27, P < .01) than Caucasians. Latino and Asian LEP respondents checked their glucose less frequently than Caucasians (Latino LEP: b = -0.49, P < .05; Asian LEP: b = -0.79, P < .01). Asian LEP respondents were less likely to receive feet checks than Caucasians (Asian LEP: b = -.52, P < .001). Asian LEP respondents received significantly fewer feet checks than Asian EP respondents (P < .05). Ethnic disparities in disease management exist among California residents. However, beyond ethnicity, English proficiency should be taken into account when examining diabetes management among minority groups. Diabetic Californians who belong to ethnic minorities and speak limited English, particularly Asians, are less likely to receive the standard of care for diabetes than English proficient Caucasians. From a policy perspective, care should be taken to ensure that adequate information about diabetes management is available in multiple languages for patients with limited English skills.

  12. Department of Defense Travel Reengineering Pilot Report to Congress

    DTIC Science & Technology

    1997-06-01

    Electronic Commerce /Electronic Data Interchange (EC/EDI) capabilities to integrate functions. automate edit checks for internal controls, and create user-friendly management tools at all levels of the process.

  13. Dynamic modeling and simulation of an integral bipropellant propulsion double-valve combined test system

    NASA Astrophysics Data System (ADS)

    Chen, Yang; Wang, Huasheng; Xia, Jixia; Cai, Guobiao; Zhang, Zhenpeng

    2017-04-01

    For the pressure reducing regulator and check valve double-valve combined test system in an integral bipropellant propulsion system, a system model is established with modular models of various typical components. The simulation research is conducted on the whole working process of an experiment of 9 MPa working condition from startup to rated working condition and finally to shutdown. Comparison of simulation results with test data shows: five working conditions including standby, startup, rated pressurization, shutdown and halt and nine stages of the combined test system are comprehensively disclosed; valve-spool opening and closing details of the regulator and two check valves are accurately revealed; the simulation also clarifies two phenomena which test data are unable to clarify, one is the critical opening state in which the check valve spools slightly open and close alternately in their own fully closed positions, the other is the obvious effects of flow-field temperature drop and temperature rise in pipeline network with helium gas flowing. Moreover, simulation results with consideration of component wall heat transfer are closer to the test data than those under the adiabatic-wall condition, and more able to reveal the dynamic characteristics of the system in various working stages.

  14. 77 FR 34784 - Removal of Six Month Line Check Requirement for Pilots Over Age 60; Technical Amendment

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-06-12

    ...-0486; Amdt. No. 121-359] Removal of Six Month Line Check Requirement for Pilots Over Age 60; Technical... years of age that applied to air carriers engaged in part 121 operations. This technical amendment... December 13, 2007. This legislation raised the upper age limit for pilots in part 121 from age 60 to age 65...

  15. Playing chess unconsciously.

    PubMed

    Kiesel, Andrea; Kunde, Wilfried; Pohl, Carsten; Berner, Michael P; Hoffmann, Joachim

    2009-01-01

    Expertise in a certain stimulus domain enhances perceptual capabilities. In the present article, the authors investigate whether expertise improves perceptual processing to an extent that allows complex visual stimuli to bias behavior unconsciously. Expert chess players judged whether a target chess configuration entailed a checking configuration. These displays were preceded by masked prime configurations that either represented a checking or a nonchecking configuration. Chess experts, but not novice chess players, revealed a subliminal response priming effect, that is, faster responding when prime and target displays were congruent (both checking or both nonchecking) rather than incongruent. Priming generalized to displays that were not used as targets, ruling out simple repetition priming effects. Thus, chess experts were able to judge unconsciously presented chess configurations as checking or nonchecking. A 2nd experiment demonstrated that experts' priming does not occur for simpler but uncommon chess configurations. The authors conclude that long-term practice prompts the acquisition of visual memories of chess configurations with integrated form-location conjunctions. These perceptual chunks enable complex visual processing outside of conscious awareness.

  16. Performance characteristics of an automated gas chromatograph-ion trap mass spectrometer system used for the 1995 Southern Oxidants Study field investigation in Nashville, Tennessee

    NASA Astrophysics Data System (ADS)

    Daughtrey, E. Hunter; Adams, Jeffrey R.; Oliver, Karen D.; Kronmiller, Keith G.; McClenny, William A.

    1998-09-01

    A trailer-deployed automated gas chromatograph-mass spectrometer (autoGC-MS) system capable of making continuous hourly measurements was used to determine volatile organic compounds (VOCs) in ambient air at New Hendersonville, Tennessee, and Research Triangle Park, North Carolina, in 1995. The system configuration, including the autoGC-MS, trailer and transfer line, siting, and sampling plan and schedule, is described. The autoGC-MS system employs a pair of matched sorbent traps to allow simultaneous sampling and desorption. Desorption is followed by Stirling engine cryofocusing and subsequent GC separation and mass spectral identification and quantification. Quality control measurements described include evaluating precision and accuracy of replicate analyses of independently supplied audit and round-robin canisters and determining the completeness of the data sets taken in Tennessee. Data quality objectives for precision (±10%) and accuracy (±20%) of 10- to 20-ppbv audit canisters and a completeness of >75% data capture were met. Quality assurance measures used in reviewing the data set include retention time stability, calibration checks, frequency distribution checks, and checks of the mass spectra. Special procedures and tests were used to minimize sorbent trap artifacts, to verify the quality of a standard prepared in our laboratory, and to prove the integrity of the insulated, heated transfer line. A rigorous determination of total system blank concentration levels using humidified scientific air spiked with ozone allowed estimation of method detection limits, ranging from 0.01 to 1.0 ppb C, for most of the 100 target compounds, which were a composite list of the target compounds for the Photochemical Assessment Monitoring Station network, those for Environmental Protection Agency method TO-14, and selected oxygenated VOCs.

  17. Privacy-preserving public auditing for data integrity in cloud

    NASA Astrophysics Data System (ADS)

    Shaik Saleem, M.; Murali, M.

    2018-04-01

    Cloud computing which has collected extent concentration from communities of research and with industry research development, a large pool of computing resources using virtualized sharing method like storage, processing power, applications and services. The users of cloud are vend with on demand resources as they want in the cloud computing. Outsourced file of the cloud user can easily tampered as it is stored at the third party service providers databases, so there is no integrity of cloud users data as it has no control on their data, therefore providing security assurance to the users data has become one of the primary concern for the cloud service providers. Cloud servers are not responsible for any data loss as it doesn’t provide the security assurance to the cloud user data. Remote data integrity checking (RDIC) licenses an information to data storage server, to determine that it is really storing an owners data truthfully. RDIC is composed of security model and ID-based RDIC where it is responsible for the security of every server and make sure the data privacy of cloud user against the third party verifier. Generally, by running a two-party Remote data integrity checking (RDIC) protocol the clients would themselves be able to check the information trustworthiness of their cloud. Within the two party scenario the verifying result is given either from the information holder or the cloud server may be considered as one-sided. Public verifiability feature of RDIC gives the privilege to all its users to verify whether the original data is modified or not. To ensure the transparency of the publicly verifiable RDIC protocols, Let’s figure out there exists a TPA who is having knowledge and efficiency to verify the work to provide the condition clearly by publicly verifiable RDIC protocols.

  18. Quantum Kronecker sum-product low-density parity-check codes with finite rate

    NASA Astrophysics Data System (ADS)

    Kovalev, Alexey A.; Pryadko, Leonid P.

    2013-07-01

    We introduce an ansatz for quantum codes which gives the hypergraph-product (generalized toric) codes by Tillich and Zémor and generalized bicycle codes by MacKay as limiting cases. The construction allows for both the lower and the upper bounds on the minimum distance; they scale as a square root of the block length. Many thus defined codes have a finite rate and limited-weight stabilizer generators, an analog of classical low-density parity-check (LDPC) codes. Compared to the hypergraph-product codes, hyperbicycle codes generally have a wider range of parameters; in particular, they can have a higher rate while preserving the estimated error threshold.

  19. 76 FR 73477 - Airworthiness Directives; BAE SYSTEMS (Operations) Limited Airplanes

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-11-29

    ... of the AMM [aircraft maintenance manual] to introduce a new hydraulic filter assembly life limit and...: The BAe 146/AVRO 146-RJ Aircraft Maintenance Manual (AMM) includes chapters 05-10 ``Time Limits'', 05...'' and 05-20 ``Scheduled Maintenance Checks'', some sub-chapters of which have been identified as...

  20. 14 CFR 142.31 - Advertising limitations.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 14 Aeronautics and Space 3 2010-01-01 2010-01-01 false Advertising limitations. 142.31 Section 142...) SCHOOLS AND OTHER CERTIFICATED AGENCIES TRAINING CENTERS General § 142.31 Advertising limitations. (a) A certificate holder may not conduct, and may not advertise to conduct, any training, testing, and checking that...

  1. 14 CFR 142.31 - Advertising limitations.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 14 Aeronautics and Space 3 2011-01-01 2011-01-01 false Advertising limitations. 142.31 Section 142...) SCHOOLS AND OTHER CERTIFICATED AGENCIES TRAINING CENTERS General § 142.31 Advertising limitations. (a) A certificate holder may not conduct, and may not advertise to conduct, any training, testing, and checking that...

  2. 14 CFR 142.31 - Advertising limitations.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 14 Aeronautics and Space 3 2014-01-01 2014-01-01 false Advertising limitations. 142.31 Section 142...) SCHOOLS AND OTHER CERTIFICATED AGENCIES TRAINING CENTERS General § 142.31 Advertising limitations. (a) A certificate holder may not conduct, and may not advertise to conduct, any training, testing, and checking that...

  3. 14 CFR 142.31 - Advertising limitations.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 14 Aeronautics and Space 3 2012-01-01 2012-01-01 false Advertising limitations. 142.31 Section 142...) SCHOOLS AND OTHER CERTIFICATED AGENCIES TRAINING CENTERS General § 142.31 Advertising limitations. (a) A certificate holder may not conduct, and may not advertise to conduct, any training, testing, and checking that...

  4. 14 CFR 142.31 - Advertising limitations.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 14 Aeronautics and Space 3 2013-01-01 2013-01-01 false Advertising limitations. 142.31 Section 142...) SCHOOLS AND OTHER CERTIFICATED AGENCIES TRAINING CENTERS General § 142.31 Advertising limitations. (a) A certificate holder may not conduct, and may not advertise to conduct, any training, testing, and checking that...

  5. 14 CFR 91.1055 - Pilot operating limitations and pairing requirement.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 14 Aeronautics and Space 2 2010-01-01 2010-01-01 false Pilot operating limitations and pairing... Ownership Operations Program Management § 91.1055 Pilot operating limitations and pairing requirement. (a... aircraft being flown, and the pilot in command is not an appropriately qualified check pilot, the pilot in...

  6. 14 CFR 91.1055 - Pilot operating limitations and pairing requirement.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 14 Aeronautics and Space 2 2011-01-01 2011-01-01 false Pilot operating limitations and pairing... Ownership Operations Program Management § 91.1055 Pilot operating limitations and pairing requirement. (a... aircraft being flown, and the pilot in command is not an appropriately qualified check pilot, the pilot in...

  7. Simple Check Valves for Microfluidic Devices

    NASA Technical Reports Server (NTRS)

    Willis, Peter A.; Greer, Harold F.; Smith, J. Anthony

    2010-01-01

    A simple design concept for check valves has been adopted for microfluidic devices that consist mostly of (1) deformable fluorocarbon polymer membranes sandwiched between (2) borosilicate float glass wafers into which channels, valve seats, and holes have been etched. The first microfluidic devices in which these check valves are intended to be used are micro-capillary electrophoresis (microCE) devices undergoing development for use on Mars in detecting compounds indicative of life. In this application, it will be necessary to store some liquid samples in reservoirs in the devices for subsequent laboratory analysis, and check valves are needed to prevent cross-contamination of the samples. The simple check-valve design concept is also applicable to other microfluidic devices and to fluidic devices in general. These check valves are simplified microscopic versions of conventional rubber- flap check valves that are parts of numerous industrial and consumer products. These check valves are fabricated, not as separate components, but as integral parts of microfluidic devices. A check valve according to this concept consists of suitably shaped portions of a deformable membrane and the two glass wafers between which the membrane is sandwiched (see figure). The valve flap is formed by making an approximately semicircular cut in the membrane. The flap is centered over a hole in the lower glass wafer, through which hole the liquid in question is intended to flow upward into a wider hole, channel, or reservoir in the upper glass wafer. The radius of the cut exceeds the radius of the hole by an amount large enough to prevent settling of the flap into the hole. As in a conventional rubber-flap check valve, back pressure in the liquid pushes the flap against the valve seat (in this case, the valve seat is the adjacent surface of the lower glass wafer), thereby forming a seal that prevents backflow.

  8. STS-97 Mission Specialist Noriega during pre-pack and fit check

    NASA Technical Reports Server (NTRS)

    2000-01-01

    STS-97 Mission Specialist Carlos Noriega gets help with his boots from suit technician Shelly Grick-Agrella during pre-pack and fit check. Mission STS-97 is the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections. STS-97 is scheduled to launch Nov. 30 at about 10:06 p.m. EST.

  9. KSC01pp0129

    NASA Image and Video Library

    2001-01-17

    Workers in the Payload Changeout Room check the U.S. Lab Destiny as its moves from Atlantis’ payload bay into the PCR. Destiny will remain in the PCR while Atlantis rolls back to the Vehicle Assembly Building to allow workers to conduct inspections, continuity checks and X-ray analysis on the 36 solid rocket booster cables located inside each booster’s system tunnel. An extensive evaluation of NASA’s SRB cable inventory revealed conductor damage in four (of about 200) cables on the shelf. Shuttle managers decided to prove the integrity of the system tunnel cables already on Atlantis

  10. KSC01pp0130

    NASA Image and Video Library

    2001-01-17

    Workers in the Payload Changeout Room check the U.S. Lab Destiny as its moves from Atlantis’ payload bay into the PCR. Destiny will remain in the PCR while Atlantis rolls back to the Vehicle Assembly Building to allow workers to conduct inspections, continuity checks and X-ray analysis on the 36 solid rocket booster cables located inside each booster’s system tunnel. An extensive evaluation of NASA’s SRB cable inventory revealed conductor damage in four (of about 200) cables on the shelf. Shuttle managers decided to prove the integrity of the system tunnel cables already on Atlantis

  11. Development of advanced Czochralski growth process to produce low-cost 150 kG silicon ingots from a single crucible for technology readiness

    NASA Technical Reports Server (NTRS)

    1981-01-01

    The modified CG2000 crystal grower construction, installation, and machine check out was completed. The process development check out proceeded with several dry runs and one growth run. Several machine calibrations and functional problems were discovered and corrected. Exhaust gas analysis system alternatives were evaluated and an integrated system approved and ordered. Several growth runs on a development CG2000 RC grower show that complete neck, crown, and body automated growth can be achieved with only one operator input.

  12. Reducing software security risk through an integrated approach

    NASA Technical Reports Server (NTRS)

    Gilliam, D.; Powell, J.; Kelly, J.; Bishop, M.

    2001-01-01

    The fourth quarter delivery, FY'01 for this RTOP is a Property-Based Testing (PBT), 'Tester's Assistant' (TA). The TA tool is to be used to check compiled and pre-compiled code for potential security weaknesses that could be exploited by hackers. The TA Instrumenter, implemented mostly in C++ (with a small part in Java), parsels two types of files: Java and TASPEC. Security properties to be checked are written in TASPEC. The Instrumenter is used in conjunction with the Tester's Assistant Specification (TASpec)execution monitor to verify the security properties of a given program.

  13. 75 FR 36298 - Airworthiness Directives; McDonnell Douglas Corporation Model DC-8-31, DC-8-32, DC-8-33, DC-8-41...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-06-25

    ... Airworthiness Limitations inspections (ALIs). This proposed AD results from a design review of the fuel tank...,'' and also adds ALI 30-1 for a pneumatic system decay check to minimize the risk of hot air impingement... 5, 2010, adds ALI 28-1, ``DC-8 Alternate and Center Auxiliary Tank Fuel Pump Control Systems Check...

  14. Controlling Bed Bugs Using Integrated Pest Management (IPM)

    EPA Pesticide Factsheets

    Several non-chemical methods can help control an infestation, such as heat treatment or freezing, or mattress and box spring encasements. When using a pesticide, follow label directions carefully and check for EPA registration.

  15. Socioeconomic differences in health check-ups and medically certified sickness absence: a 10-year follow-up among middle-aged municipal employees in Finland.

    PubMed

    Piha, Kustaa; Sumanen, Hilla; Lahelma, Eero; Rahkonen, Ossi

    2017-04-01

    There is contradictory evidence on the association between health check-ups and future morbidity. Among the general population, those with high socioeconomic position participate more often in health check-ups. The main aims of this study were to analyse if attendance to health check-ups are socioeconomically patterned and affect sickness absence over a 10-year follow-up. This register-based follow-up study included municipal employees of the City of Helsinki. 13 037 employees were invited to age-based health check-up during 2000-2002, with a 62% attendance rate. Education, occupational class and individual income were used to measure socioeconomic position. Medically certified sickness absence of 4 days or more was measured and controlled for at the baseline and used as an outcome over follow-up. The mean follow-up time was 7.5 years. Poisson regression was used. Men and employees with lower socioeconomic position participated more actively in health check-ups. Among women, non-attendance to health check-up predicted higher sickness absence during follow-up (relative risk =1.26, 95% CI 1.17 to 1.37) in the fully adjusted model. Health check-ups were not effective in reducing socioeconomic differences in sickness absence. Age-based health check-ups reduced subsequent sickness absence and should be promoted. Attendance to health check-ups should be as high as possible. Contextual factors need to be taken into account when applying the results in interventions in other settings. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/.

  16. "Tech-check-tech": a review of the evidence on its safety and benefits.

    PubMed

    Adams, Alex J; Martin, Steven J; Stolpe, Samuel F

    2011-10-01

    The published evidence on state-authorized programs permitting final verification of medication orders by pharmacy technicians, including the programs' impact on pharmacist work hours and clinical activities, is reviewed. Some form of "tech-check-tech" (TCT)--the checking of a technician's order-filling accuracy by another technician rather than a pharmacist--is authorized for use by pharmacies in at least nine states. The results of 11 studies published since 1978 indicate that technicians' accuracy in performing final dispensing checks is very comparable to pharmacists' accuracy (mean ± S.D., 99.6% ± 0.55% versus 99.3% ± 0.68%, respectively). In 6 of those studies, significant differences in accuracy or error detection rates favoring TCT were reported (p < 0.05), although published TCT studies to date have had important limitations. In states with active or pilot TCT programs, pharmacists surveyed have reported that the practice has yielded time savings (estimates range from 10 hours per month to 1 hour per day), enabling them to spend more time providing clinical services. States permitting TCT programs require technicians to complete special training before assuming TCT duties, which are generally limited to restocking automated dispensing machines and filling unit dose batches of refills in hospitals and other institutional settings. The published evidence demonstrates that pharmacy technicians can perform as accurately as pharmacists, perhaps more accurately, in the final verification of unit dose orders in institutional settings. Current TCT programs have fairly consistent elements, including the limitation of TCT to institutional settings, advanced education and training requirements for pharmacy technicians, and ongoing quality assurance.

  17. Model for integrated management of quality, labor risks prevention, environment and ethical aspects, applied to R&D&I and production processes in an organization

    NASA Astrophysics Data System (ADS)

    González, M. R.; Torres, F.; Yoldi, V.; Arcega, F.; Plaza, I.

    2012-04-01

    It is proposed an integrated management model for an organization. This model is based on the continuous improvement Plan-Do-Check-Act cycle and it intends to integrate the environmental, risk prevention and ethical aspects as well as research, development and innovation projects management in the general quality management structure proposed by ISO 9001:2008. It aims to fulfill the standards ISO 9001, ISO 14001, OSHAS 18001, SGE 21 y 166002.

  18. Enthalpy of mixing of liquid Co–Sn alloys

    PubMed Central

    Yakymovych, A.; Fürtauer, S.; Elmahfoudi, A.; Ipser, H.; Flandorfer, H.

    2014-01-01

    A literature overview of enthalpy of mixing data for liquid Co–Sn alloys shows large scattering but no clear temperature dependence. Therefore drop calorimetry was performed in the Co–Sn system at twelve different temperatures in 100 K steps in the temperature range (673 to 1773) K. The integral enthalpy of mixing was determined starting from 1173 K and fitted to a standard Redlich–Kister polynomial. In addition, the limiting partial molar enthalpy of Co in Sn was investigated by small additions of Co to liquid Sn at temperatures (673 to 1773) K. The integral and partial molar enthalpies of the Co–Sn system generally show an exothermic mixing behavior. Significant temperature dependence was detected for the enthalpies of mixing. The minimum integral enthalpy values vary with rising temperature from approx. −7820 J/mol at T = 1173 K to −1350 J/mol at T = 1773 K; the position of the minimum is between (59 and 61) at.% Co. The results are discussed and compared with literature data available for this system. X-ray studies and scanning electron microscopy of selected alloys obtained from the calorimetric measurements were carried out in order to check the completeness of the solution process. PMID:24994940

  19. Experiences in integrating auto-translated state-chart designs for model checking

    NASA Technical Reports Server (NTRS)

    Pingree, P. J.; Benowitz, E. G.

    2003-01-01

    In the complex environment of JPL's flight missions with increasing dependency on advanced software designs, traditional software validation methods of simulation and testing are being stretched to adequately cover the needs of software development.

  20. AutoLock: a semiautomated system for radiotherapy treatment plan quality control

    PubMed Central

    Lowe, Matthew; Hardy, Mark J.; Boylan, Christopher J.; Whitehurst, Philip; Rowbottom, Carl G.

    2015-01-01

    A semiautomated system for radiotherapy treatment plan quality control (QC), named AutoLock, is presented. AutoLock is designed to augment treatment plan QC by automatically checking aspects of treatment plans that are well suited to computational evaluation, whilst summarizing more subjective aspects in the form of a checklist. The treatment plan must pass all automated checks and all checklist items must be acknowledged by the planner as correct before the plan is finalized. Thus AutoLock uniquely integrates automated treatment plan QC, an electronic checklist, and plan finalization. In addition to reducing the potential for the propagation of errors, the integration of AutoLock into the plan finalization workflow has improved efficiency at our center. Detailed audit data are presented, demonstrating that the treatment plan QC rejection rate fell by around a third following the clinical introduction of AutoLock. PACS number: 87.55.Qr PMID:26103498

  1. AutoLock: a semiautomated system for radiotherapy treatment plan quality control.

    PubMed

    Dewhurst, Joseph M; Lowe, Matthew; Hardy, Mark J; Boylan, Christopher J; Whitehurst, Philip; Rowbottom, Carl G

    2015-05-08

    A semiautomated system for radiotherapy treatment plan quality control (QC), named AutoLock, is presented. AutoLock is designed to augment treatment plan QC by automatically checking aspects of treatment plans that are well suited to computational evaluation, whilst summarizing more subjective aspects in the form of a checklist. The treatment plan must pass all automated checks and all checklist items must be acknowledged by the planner as correct before the plan is finalized. Thus AutoLock uniquely integrates automated treatment plan QC, an electronic checklist, and plan finalization. In addition to reducing the potential for the propagation of errors, the integration of AutoLock into the plan finalization workflow has improved efficiency at our center. Detailed audit data are presented, demonstrating that the treatment plan QC rejection rate fell by around a third following the clinical introduction of AutoLock.

  2. Bayesian tomography and integrated data analysis in fusion diagnostics

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Li, Dong, E-mail: lid@swip.ac.cn; Dong, Y. B.; Deng, Wei

    2016-11-15

    In this article, a Bayesian tomography method using non-stationary Gaussian process for a prior has been introduced. The Bayesian formalism allows quantities which bear uncertainty to be expressed in the probabilistic form so that the uncertainty of a final solution can be fully resolved from the confidence interval of a posterior probability. Moreover, a consistency check of that solution can be performed by checking whether the misfits between predicted and measured data are reasonably within an assumed data error. In particular, the accuracy of reconstructions is significantly improved by using the non-stationary Gaussian process that can adapt to the varyingmore » smoothness of emission distribution. The implementation of this method to a soft X-ray diagnostics on HL-2A has been used to explore relevant physics in equilibrium and MHD instability modes. This project is carried out within a large size inference framework, aiming at an integrated analysis of heterogeneous diagnostics.« less

  3. Technical Note: Development and performance of a software tool for quality assurance of online replanning with a conventional Linac or MR-Linac.

    PubMed

    Chen, Guang-Pei; Ahunbay, Ergun; Li, X Allen

    2016-04-01

    To develop an integrated quality assurance (QA) software tool for online replanning capable of efficiently and automatically checking radiation treatment (RT) planning parameters and gross plan quality, verifying treatment plan data transfer from treatment planning system (TPS) to record and verify (R&V) system, performing a secondary monitor unit (MU) calculation with or without a presence of a magnetic field from MR-Linac, and validating the delivery record consistency with the plan. The software tool, named ArtQA, was developed to obtain and compare plan and treatment parameters from both the TPS and the R&V system database. The TPS data are accessed via direct file reading and the R&V data are retrieved via open database connectivity and structured query language. Plan quality is evaluated with both the logical consistency of planning parameters and the achieved dose-volume histograms. Beams in between the TPS and R&V system are matched based on geometry configurations. To consider the effect of a 1.5 T transverse magnetic field from MR-Linac in the secondary MU calculation, a method based on modified Clarkson integration algorithm was developed and tested for a series of clinical situations. ArtQA has been used in their clinic and can quickly detect inconsistencies and deviations in the entire RT planning process. With the use of the ArtQA tool, the efficiency for plan check including plan quality, data transfer, and delivery check can be improved by at least 60%. The newly developed independent MU calculation tool for MR-Linac reduces the difference between the plan and calculated MUs by 10%. The software tool ArtQA can be used to perform a comprehensive QA check from planning to delivery with conventional Linac or MR-Linac and is an essential tool for online replanning where the QA check needs to be performed rapidly.

  4. Technical Note: Development and performance of a software tool for quality assurance of online replanning with a conventional Linac or MR-Linac

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Chen, Guang-Pei, E-mail: gpchen@mcw.edu; Ahunbay, Ergun; Li, X. Allen

    Purpose: To develop an integrated quality assurance (QA) software tool for online replanning capable of efficiently and automatically checking radiation treatment (RT) planning parameters and gross plan quality, verifying treatment plan data transfer from treatment planning system (TPS) to record and verify (R&V) system, performing a secondary monitor unit (MU) calculation with or without a presence of a magnetic field from MR-Linac, and validating the delivery record consistency with the plan. Methods: The software tool, named ArtQA, was developed to obtain and compare plan and treatment parameters from both the TPS and the R&V system database. The TPS data aremore » accessed via direct file reading and the R&V data are retrieved via open database connectivity and structured query language. Plan quality is evaluated with both the logical consistency of planning parameters and the achieved dose–volume histograms. Beams in between the TPS and R&V system are matched based on geometry configurations. To consider the effect of a 1.5 T transverse magnetic field from MR-Linac in the secondary MU calculation, a method based on modified Clarkson integration algorithm was developed and tested for a series of clinical situations. Results: ArtQA has been used in their clinic and can quickly detect inconsistencies and deviations in the entire RT planning process. With the use of the ArtQA tool, the efficiency for plan check including plan quality, data transfer, and delivery check can be improved by at least 60%. The newly developed independent MU calculation tool for MR-Linac reduces the difference between the plan and calculated MUs by 10%. Conclusions: The software tool ArtQA can be used to perform a comprehensive QA check from planning to delivery with conventional Linac or MR-Linac and is an essential tool for online replanning where the QA check needs to be performed rapidly.« less

  5. Parallel Proximity Detection for Computer Simulation

    NASA Technical Reports Server (NTRS)

    Steinman, Jeffrey S. (Inventor); Wieland, Frederick P. (Inventor)

    1997-01-01

    The present invention discloses a system for performing proximity detection in computer simulations on parallel processing architectures utilizing a distribution list which includes movers and sensor coverages which check in and out of grids. Each mover maintains a list of sensors that detect the mover's motion as the mover and sensor coverages check in and out of the grids. Fuzzy grids are includes by fuzzy resolution parameters to allow movers and sensor coverages to check in and out of grids without computing exact grid crossings. The movers check in and out of grids while moving sensors periodically inform the grids of their coverage. In addition, a lookahead function is also included for providing a generalized capability without making any limiting assumptions about the particular application to which it is applied. The lookahead function is initiated so that risk-free synchronization strategies never roll back grid events. The lookahead function adds fixed delays as events are scheduled for objects on other nodes.

  6. Parallel Proximity Detection for Computer Simulations

    NASA Technical Reports Server (NTRS)

    Steinman, Jeffrey S. (Inventor); Wieland, Frederick P. (Inventor)

    1998-01-01

    The present invention discloses a system for performing proximity detection in computer simulations on parallel processing architectures utilizing a distribution list which includes movers and sensor coverages which check in and out of grids. Each mover maintains a list of sensors that detect the mover's motion as the mover and sensor coverages check in and out of the grids. Fuzzy grids are included by fuzzy resolution parameters to allow movers and sensor coverages to check in and out of grids without computing exact grid crossings. The movers check in and out of grids while moving sensors periodically inform the grids of their coverage. In addition, a lookahead function is also included for providing a generalized capability without making any limiting assumptions about the particular application to which it is applied. The lookahead function is initiated so that risk-free synchronization strategies never roll back grid events. The lookahead function adds fixed delays as events are scheduled for objects on other nodes.

  7. Aircraft Maintenance Expert Systems.

    DTIC Science & Technology

    1983-11-01

    PARA 2 -104)) 44: (( JETCAL ANALYSIS SHOWS SYSTEM READS CORRECT) (REPLACE FAULTY PARTS)) 45: ((OVERTEMP EXCEEDED SERVICE LIMITS) 46: I(ENGINE CONTROL...CIRCUITS WITHIN LIMITS ON JETCAL ) (REPLACE FAULTY PARTS)) 47: (ADJUST EST AT AMPLIFIER AND CHECK TENP)) (SEND ENGINE TO HIGHER LEVEL MAINTENANCE)) 48: 2

  8. Sensor Data Qualification System (SDQS) Implementation Study

    NASA Technical Reports Server (NTRS)

    Wong, Edmond; Melcher, Kevin; Fulton, Christopher; Maul, William

    2009-01-01

    The Sensor Data Qualification System (SDQS) is being developed to provide a sensor fault detection capability for NASA s next-generation launch vehicles. In addition to traditional data qualification techniques (such as limit checks, rate-of-change checks and hardware redundancy checks), SDQS can provide augmented capability through additional techniques that exploit analytical redundancy relationships to enable faster and more sensitive sensor fault detection. This paper documents the results of a study that was conducted to determine the best approach for implementing a SDQS network configuration that spans multiple subsystems, similar to those that may be implemented on future vehicles. The best approach is defined as one that most minimizes computational resource requirements without impacting the detection of sensor failures.

  9. The NASA Lewis integrated propulsion and flight control simulator

    NASA Technical Reports Server (NTRS)

    Bright, Michelle M.; Simon, Donald L.

    1991-01-01

    A new flight simulation facility has been developed at NASA Lewis to allow integrated propulsion-control and flight-control algorithm development and evaluation in real time. As a preliminary check of the simulator facility and the correct integration of its components, the control design and physics models for an STOVL fighter aircraft model have been demonstrated, with their associated system integration and architecture, pilot vehicle interfaces, and display symbology. The results show that this fixed-based flight simulator can provide real-time feedback and display of both airframe and propulsion variables for validation of integrated systems and testing of control design methodologies and cockpit mechanizations.

  10. Hiring a Pest Management Professional for Bed Bugs

    EPA Pesticide Factsheets

    If you hire someone to treat your bed bug infestation, make sure they use Integrated Pest Management (IPM) techniques, check credentials, and know they may need multiple visits, to take apart furniture, and to use vacuums, heat, and pesticides.

  11. Runtime Analysis of Linear Temporal Logic Specifications

    NASA Technical Reports Server (NTRS)

    Giannakopoulou, Dimitra; Havelund, Klaus

    2001-01-01

    This report presents an approach to checking a running program against its Linear Temporal Logic (LTL) specifications. LTL is a widely used logic for expressing properties of programs viewed as sets of executions. Our approach consists of translating LTL formulae to finite-state automata, which are used as observers of the program behavior. The translation algorithm we propose modifies standard LTL to B chi automata conversion techniques to generate automata that check finite program traces. The algorithm has been implemented in a tool, which has been integrated with the generic JPaX framework for runtime analysis of Java programs.

  12. Nonschematic drawing recognition: a new approach based on attributed graph grammar with flexible embedding

    NASA Astrophysics Data System (ADS)

    Lee, Kyu J.; Kunii, T. L.; Noma, T.

    1993-01-01

    In this paper, we propose a syntactic pattern recognition method for non-schematic drawings, based on a new attributed graph grammar with flexible embedding. In our graph grammar, the embedding rule permits the nodes of a guest graph to be arbitrarily connected with the nodes of a host graph. The ambiguity caused by this flexible embedding is controlled with the evaluation of synthesized attributes and the check of context sensitivity. To integrate parsing with the synthesized attribute evaluation and the context sensitivity check, we also develop a bottom up parsing algorithm.

  13. STS-97 Mission Specialist Garneau with full launch and entry suit during pre-pack and fit check

    NASA Technical Reports Server (NTRS)

    2000-01-01

    During pre-pack and fit check in the Operations and Checkout Building, STS-97 Commander Brent Jett gets help with his gloves from suit technician Bill Todd. Mission STS-97 is the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections. STS-97 is scheduled to launch Nov. 30 at about 10:06 p.m. EST.

  14. STS-97 Mission Specialist Garneau during pre-pack and fit check

    NASA Technical Reports Server (NTRS)

    2000-01-01

    STS-97 Mission Specialist Marc Garneau gets help with his boots from suit technician Tommy McDonald during pre-pack and fit check. Garneau is with the Canadian Space Agency. Mission STS-97 is the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections. STS-97 is scheduled to launch Nov. 30 at about 10:06 p.m. EST.

  15. Automata-Based Verification of Temporal Properties on Running Programs

    NASA Technical Reports Server (NTRS)

    Giannakopoulou, Dimitra; Havelund, Klaus; Lan, Sonie (Technical Monitor)

    2001-01-01

    This paper presents an approach to checking a running program against its Linear Temporal Logic (LTL) specifications. LTL is a widely used logic for expressing properties of programs viewed as sets of executions. Our approach consists of translating LTL formulae to finite-state automata, which are used as observers of the program behavior. The translation algorithm we propose modifies standard LTL to Buchi automata conversion techniques to generate automata that check finite program traces. The algorithm has been implemented in a tool, which has been integrated with the generic JPaX framework for runtime analysis of Java programs.

  16. KSC01pp0126

    NASA Image and Video Library

    2001-01-17

    Workers in the Payload Changeout Room check the Payload Ground Handling Mechanism that will move the U.S. Lab Destiny out of Atlantis’ payload bay and into the PCR. After the move, Atlantis will roll back to the Vehicle Assembly Building to allow workers to conduct inspections, continuity checks and X-ray analysis on the 36 solid rocket booster cables located inside each booster’s system tunnel. An extensive evaluation of NASA’s SRB cable inventory revealed conductor damage in four (of about 200) cables on the shelf. Shuttle managers decided to prove the integrity of the system tunnel cables already on Atlantis

  17. The Z1 truss is placed in stand to check weight and balance

    NASA Technical Reports Server (NTRS)

    2000-01-01

    In the Space Station Processing Facility, the Integrated Truss Structure Z1 rests in the workstand to check its weight and balance. The Z1 truss is the first of 10 trusses that will become the backbone of the International Space Station, eventually stretching the length of a football field. Along with its companion payload, the third Pressurized Mating Adapter, the Z1 is scheduled to be launched aboard Space Shuttle Discovery Oct. 5 at 9:38 p.m. EDT. The launch will be the 100th in the Shuttle program.

  18. The Z1 truss is lowered to stand to check weight and balance

    NASA Technical Reports Server (NTRS)

    2000-01-01

    In the Space Station Processing Facility, an overhead crane lowers the Integrated Truss Structure Z1 onto a workstand to check its weight and balance. The Z1 truss is the first of 10 trusses that will become the backbone of the International Space Station, eventually stretching the length of a football field. Along with its companion payload, the third Pressurized Mating Adapter, the Z1 is scheduled to be launched aboard Space Shuttle Discovery Oct. 5 at 9:38 p.m. EDT. The launch will be the 100th in the Shuttle program.

  19. The Z1 truss is moved to check weight and balance

    NASA Technical Reports Server (NTRS)

    2000-01-01

    In the Space Station Processing Facility, the Integrated Truss Structure Z1, an element of the International Space Station, is moved to another stand to check its weight and balance. The Z1 truss is the first of 10 trusses that will become the backbone of the Space Station, eventually stretching the length of a football field. Along with its companion payload, the third Pressurized Mating Adapter, the Z1 is scheduled to be launched aboard Space Shuttle Discovery Oct. 5 at 9:38 p.m. EDT. The launch will be the 100th in the Shuttle program.

  20. The Z1 truss is moved to check weight and balance

    NASA Technical Reports Server (NTRS)

    2000-01-01

    In the Space Station Processing Facility, the Integrated Truss Structure Z1, an element of the International Space Station, is lifted for moving to another stand to check its weight and balance. The Z1 truss is the first of 10 trusses that will become the backbone of the Space Station, eventually stretching the length of a football field. Along with its companion payload, the third Pressurized Mating Adapter, the Z1 is scheduled to be launched aboard Space Shuttle Discovery Oct. 5 at 9:38 p.m. EDT. The launch will be the 100th in the Shuttle program.

  1. Astronaut Joseph Tanner checks gloves during during launch/entry training

    NASA Image and Video Library

    1994-06-23

    S94-40082 (23 June 1994) --- Astronaut Joseph R. Tanner, mission specialist, checks his glove during a rehearsal for launch and entry phases of the scheduled November flight of STS-66. This rehearsal, held in the Crew Compartment Trainer (CCT) of the Johnson Space Center's (JSC) Shuttle Mockup and Integration Laboratory, was followed by a training session on emergency egress procedures. In November, Tanner will join four other NASA astronauts and a European mission specialist for a week and a half aboard the Space Shuttle Atlantis in Earth-orbit in support of the Atmospheric Laboratory for Applications and Science (ATLAS-3).

  2. Vehicle Maximum Weight Limitation Based on Intelligent Weight Sensor

    NASA Astrophysics Data System (ADS)

    Raihan, W.; Tessar, R. M.; Ernest, C. O. S.; E Byan, W. R.; Winda, A.

    2017-03-01

    Vehicle weight is an important factor to be maintained for transportation safety. A weight limitation system is proposed to make sure the vehicle weight is always below its designation prior the vehicle is being used by the driver. The proposed system is divided into two systems, namely vehicle weight confirmation system and weight warning system. In vehicle weight confirmation system, the weight sensor work for the first time after the ignition switch is turned on. When the weight is under the weight limit, the starter engine can be switched on to start the engine system, otherwise it will be locked. The seconds system, will operated after checking all the door at close position, once the door of the car is closed, the weight warning system will check once again the weight during runing engine condition. The results of these two systems, vehicle weight confirmation system and weight warning system have 100 % accuracy, respectively. These show that the proposed vehicle weight limitation system operate well.

  3. Verifying patient identity and site of surgery: improving compliance with protocol by audit and feedback.

    PubMed

    Garnerin, P; Arès, M; Huchet, A; Clergue, F

    2008-12-01

    The potential severity of wrong patient/procedure/site of surgery and the view that these events are avoidable, make the prevention of such errors a priority. An intervention was set up to develop a verification protocol for checking patient identity and the site of surgery with periodic audits to measure compliance while providing feedback. A nurse auditor performed the compliance audits in inpatients and outpatients during three consecutive 3-month periods and three 1-month follow-up periods; 11 audit criteria were recorded, as well as reasons for not performing a check. The nurse auditor provided feedback to the health professionals, including discussion of inadequate checks. 1,000 interactions between patients and their anaesthetist or nurse anaesthetist were observed. Between the first and second audit periods compliance with all audit criteria except "surgical site marked" noticeably improved, such as the proportion of patients whose identities were checked (62.6% to 81.4%); full compliance with protocol in patient identity checks (9.7% to 38.1%); proportion of site of surgery checks carried out (77.1% to 92.6%); and full compliance with protocol in site of surgery checks (32.2% to 52.0%). Thereafter, compliance was stable for most criteria. The reason for failure to perform checks of patient identity or site of surgery was mostly that the anaesthetist in charge had seen the patient at the preanaesthetic consultation. By combining the implementation of a verification protocol with periodic audits with feedback, the intervention changed practice and increased compliance with patient identity and site of surgery checks. The impact of the intervention was limited by communication problems between patients and professionals, and lack of collaboration with surgical services.

  4. Open Source ERP Applications: A Reality Check for Their Possible Adoption and Use in Teaching Business Process Integration

    ERIC Educational Resources Information Center

    Huynh, Minh; Pinto, Ivan

    2010-01-01

    For years, there has been a need for teaching students about business process integration. The use of ERP systems has been proposed as a mechanism to meet this need. Yet, in the midst of a recent economic crisis, it is difficult to find funding for the acquisition and implementation of an ERP system for teaching purpose. While it is recognized…

  5. Adjustments in channel morphology due to land-use changes and check dam installation in mountain torrents of Calabria (Southern Italy)

    NASA Astrophysics Data System (ADS)

    Fortugno, Diego; Zema, Demetrio Antonio; Bombino, Giuseppe; Tamburino, Vincenzo; Quinonero Rubio, Juan Manuel; Boix-Fayos, Carolina

    2016-04-01

    In Mediterranean semi-arid conditions the geomorphic effects of land-use changes and check dam installation on active channel headwater morphology are not completely understood. In such environments, the availability of specific studies, which monitor channel adjustments as a response to reforestation and check dams over representative observation periods, could help develop new management strategies and erosion control measures. This investigation is an integrated approach assessing the adjustments of channel morphology in a typical torrent (Sant'Agata, Calabria, Southern Italy) after land-use changes (e.g. fire, reforestation, land abandonment) and check dam construction across a period of about 60 years (1955-2012). A statistical analysis of historical rainfall records, an analysis of land-use change in the catchment area and a geomorphological mapping of channel adjustments were carried out and combined with field surveys of bed surface grain-size over a 5-km reach including 14 check dams. The analysis of the historical rainfall records showed a slight decrease in the amount and erosivity of precipitation. Mapping of land-use changes highlighted a general increase of vegetal coverage on the slopes adjacent to the monitored reaches. Together with the check dam network installation, this increase could have induced a reduction in water and sediment supply. The different erosional and depositional forms and adjustments showed a general narrowing between consecutive check dams together with local modifications detected upstream (bed aggradation and cross section expansion together with low-flow realignments) and downstream (local incision) of the installed check dams. Changes in the torrent bends were also detected as a response to erosional and depositional processes with different intensities. The study highlighted: (i) the efficiency of check dams against the disrupting power of the most intense floods by stabilising the active channel; and (ii) the influence of reforestation in increasing hillslope protection from erosion and disconnectivity of water and sediment flows towards the active channel. The residual sediment deficit circulating in the watershed suggests the need of slight management interventions, as, for instance, the conversion of the existing check dams into open structures, allowing a definite channel and coast stability.

  6. Limiting the testing of urea: Urea along with every plasma creatinine test?

    PubMed

    Zhang, Gao-Ming; Guo, Xu-Xiao; Zhang, Guo-Ming

    2017-09-01

    We found that it is not necessary to simultaneously detect both creatinine (CREA) and urea until the concentration of CREA is lower than the certain level. To reduce urea testing, we suggest measuring urea only when CREA or estimated glomerular filtration rate (eGFR) exceeds a predetermined limit. CREA and urea data were analyzed consisting of almost all of people age above 65 years old check-up (n=95441) in Shuyang countryside, and inpatients (n=101631), outpatients (n=18474) and Routine Health Check-up (n=20509) in Shuyang People's Hospital. The proportions of elevated urea were derived. The data used in this study was generated from people more than 13 years old in both outpatients and inpatients. When the limits for initiating urea testing were used at 85 μmol/L CREA and 120 mL/min/1.73 m 2 eGFR, the percentage of unnecessary urea test are 94.5% and 64.7% (elderly health check-up), 67.9% and 84.5% (outpatients), 88.5% and 73.2% (inpatients), 92.2% and 81.7% (routine health check-up). The missing rate of urea are 1%, 2.5%, 4.6% and 9.2%, 0.1%, 0.4%, 0.9% and 1.8%, 0.4%, 0.8%, 1.4%, and 2.5%, 0.05%, 0.1%, 1.1%, and 0.8% of ureas exceeding 9.28 mmol/L and 8.3 mmol/L in above each group, respectively. If the CREA≤85 μmol/L or eGFR≥90 mL/min/1.73 m 2 , there is 97.5% urea <10.1 mmol/L, the proportion of elevated urea missed is 2.5%. We suggest that the initiating urea testing should be based on the upper limit of Reference Intervals serum CREA of females or a 120 mL/min/1.73 m 2 eGFR limit. Conservatively, the urea testing would be reduced by 65% at least. © 2017 Wiley Periodicals, Inc.

  7. SU-E-T-649: Quality Assurances for Proton Therapy Delivery Equipment

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Arjomandy, B; Kase, Y; Flanz, J

    2015-06-15

    Purpose: The number of proton therapy centers has increased dramatically over the past decade. Currently, there is no comprehensive set of guidelines that addresses quality assurance (QA) procedures for the different technologies used for proton therapy. The AAPM has charged task group 224 (TG-224) to provide recommendations for QA required for accurate and safe dose delivery, using existing and next generation proton therapy delivery equipment. Methods: A database comprised of QA procedures and tolerance limits was generated from many existing proton therapy centers in and outside of the US. These consist of proton therapy centers that possessed double scattering, uniformmore » scanning, and pencil beams delivery systems. The diversity in beam delivery systems as well as the existing devices to perform QA checks for different beam parameters is the main subject of TG-224. Based on current practice at the clinically active proton centers participating in this task group, consensus QA recommendations were developed. The methodologies and requirements of the parameters that must be verified for consistency of the performance of the proton beam delivery systems are discussed. Results: TG-224 provides procedures and QA checks for mechanical, imaging, safety and dosimetry requirements for different proton equipment. These procedures are categorized based on their importance and their required frequencies in order to deliver a safe and consistent dose. The task group provides daily, weekly, monthly, and annual QA check procedures with their tolerance limits. Conclusions: The procedures outlined in this protocol provide sufficient information to qualified medical physicists to perform QA checks for any proton delivery system. Execution of these procedures should provide confidence that proton therapy equipment is functioning as commissioned for patient treatment and delivers dose safely and accurately within the established tolerance limits. The report will be published in late 2015.« less

  8. Towards a Novel Integrated Approach for Estimating Greenhouse Gas Emissions in Support of International Agreements

    NASA Astrophysics Data System (ADS)

    Reimann, S.; Vollmer, M. K.; Henne, S.; Brunner, D.; Emmenegger, L.; Manning, A.; Fraser, P. J.; Krummel, P. B.; Dunse, B. L.; DeCola, P.; Tarasova, O. A.

    2016-12-01

    In the recently adopted Paris Agreement the community of signatory states has agreed to limit the future global temperature increase between +1.5 °C and +2.0 °C, compared to pre-industrial times. To achieve this goal, emission reduction targets have been submitted by individual nations (called Intended Nationally Determined Contributions, INDCs). Inventories will be used for checking progress towards these envisaged goals. These inventories are calculated by combining information on specific activities (e.g. passenger cars, agriculture) with activity-related, typically IPCC-sanctioned, emission factors - the so-called bottom-up method. These calculated emissions are reported on an annual basis and are checked by external bodies by using the same method. A second independent method estimates emissions by translating greenhouse gas measurements made at regionally representative stations into regional/global emissions using meteorologically-based transport models. In recent years this so-called top-down approach has been substantially advanced into a powerful tool and emission estimates at the national/regional level have become possible. This method is already used in Switzerland, in the United Kingdom and in Australia to estimate greenhouse gas emissions and independently support the national bottom-up emission inventories within the UNFCCC framework. Examples of the comparison of the two independent methods will be presented and the added-value will be discussed. The World Meteorological Organization (WMO) and partner organizations are currently developing a plan to expand this top-down approach and to expand the globally representative GAW network of ground-based stations and remote-sensing platforms and integrate their information with atmospheric transport models. This Integrated Global Greenhouse Gas Information System (IG3IS) initiative will help nations to improve the accuracy of their country-based emissions inventories and their ability to evaluate the success of emission reductions strategies. This could foster trans-national collaboration on methodologies for estimation of emissions. Furthermore, more accurate emission knowledge will clarify the value of emission reduction efforts and could encourage countries to strengthen their reduction pledges.

  9. Report: Plans to Migrate Data to the New EPA Acquisition System Need Improvement

    EPA Pesticide Factsheets

    Report #10-P-0071, February 24, 2010. EPA’s plans for migrating data from ICMS to EAS lack sufficient incorporation of data integrity and quality checks to ensure the complete and accurate transfer of procurement data.

  10. Multiple methods for multiple futures: Integrating qualitative scenario planning and quantitative simulation modeling for natural resource decision making

    USGS Publications Warehouse

    Symstad, Amy J.; Fisichelli, Nicholas A.; Miller, Brian W.; Rowland, Erika; Schuurman, Gregor W.

    2017-01-01

    Scenario planning helps managers incorporate climate change into their natural resource decision making through a structured “what-if” process of identifying key uncertainties and potential impacts and responses. Although qualitative scenarios, in which ecosystem responses to climate change are derived via expert opinion, often suffice for managers to begin addressing climate change in their planning, this approach may face limits in resolving the responses of complex systems to altered climate conditions. In addition, this approach may fall short of the scientific credibility managers often require to take actions that differ from current practice. Quantitative simulation modeling of ecosystem response to climate conditions and management actions can provide this credibility, but its utility is limited unless the modeling addresses the most impactful and management-relevant uncertainties and incorporates realistic management actions. We use a case study to compare and contrast management implications derived from qualitative scenario narratives and from scenarios supported by quantitative simulations. We then describe an analytical framework that refines the case study’s integrated approach in order to improve applicability of results to management decisions. The case study illustrates the value of an integrated approach for identifying counterintuitive system dynamics, refining understanding of complex relationships, clarifying the magnitude and timing of changes, identifying and checking the validity of assumptions about resource responses to climate, and refining management directions. Our proposed analytical framework retains qualitative scenario planning as a core element because its participatory approach builds understanding for both managers and scientists, lays the groundwork to focus quantitative simulations on key system dynamics, and clarifies the challenges that subsequent decision making must address.

  11. 14 CFR 142.65 - Limitations.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... used during line operational simulation for evaluation and line-oriented flight training only to...) When flight testing, flight checking, or line operational simulation is being conducted, the...

  12. 14 CFR 142.65 - Limitations.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... used during line operational simulation for evaluation and line-oriented flight training only to...) When flight testing, flight checking, or line operational simulation is being conducted, the...

  13. 14 CFR 142.65 - Limitations.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... used during line operational simulation for evaluation and line-oriented flight training only to...) When flight testing, flight checking, or line operational simulation is being conducted, the...

  14. 14 CFR 142.65 - Limitations.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... used during line operational simulation for evaluation and line-oriented flight training only to...) When flight testing, flight checking, or line operational simulation is being conducted, the...

  15. 14 CFR 142.65 - Limitations.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... used during line operational simulation for evaluation and line-oriented flight training only to...) When flight testing, flight checking, or line operational simulation is being conducted, the...

  16. The instrumental genesis process in future primary teachers using Dynamic Geometry Software

    NASA Astrophysics Data System (ADS)

    Ruiz-López, Natalia

    2018-05-01

    This paper, which describes a study undertaken with pairs of future primary teachers using GeoGebra software to solve geometry problems, includes a brief literature review, the theoretical framework and methodology used. An analysis of the instrumental genesis process for a pair participating in the case study is also provided. This analysis addresses the techniques and types of dragging used, the obstacles to learning encountered, a description of the interaction between the pair and their interaction with the teacher, and the type of language used. Based on this analysis, possibilities and limitations of the instrumental genesis process are identified for the development of geometric competencies such as conjecture creation, property checking and problem researching. It is also suggested that the methodology used in the analysis of the problem solving process may be useful for those teachers and researchers who want to integrate Dynamic Geometry Software (DGS) in their classrooms.

  17. Photon Detector System Timing Performance in the DUNE 35-ton Prototype Liquid Argon Time Projection Chamber

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Adams, D.L.; et al.

    The 35-ton prototype for the Deep Underground Neutrino Experiment far detector was a single-phase liquid argon time projection chamber with an integrated photon detector system, all situated inside a membrane cryostat. The detector took cosmic-ray data for six weeks during the period of February 1, 2016 to March 12, 2016. The performance of the photon detection system was checked with these data. An installed photon detector was demonstrated to measure the arrival times of cosmic-ray muons with a resolution better than 32 ns, limited by the timing of the trigger system. A measurement of the timing resolution using closely-spaced calibration pulses yielded a resolution of 15 ns for pulses at a level of 6 photo-electrons. Scintillation light from cosmic-ray muons was observed to be attenuated with increasing distance with a characteristic length ofmore » $$155 \\pm 28$$ cm.« less

  18. Adherence to balance tolerance limits at the Upper Mississippi Science Center, La Crosse, Wisconsin.

    USGS Publications Warehouse

    Myers, C.T.; Kennedy, D.M.

    1998-01-01

    Verification of balance accuracy entails applying a series of standard masses to a balance prior to use and recording the measured values. The recorded values for each standard should have lower and upper weight limits or tolerances that are accepted as verification of balance accuracy under normal operating conditions. Balance logbooks for seven analytical balances at the Upper Mississippi Science Center were checked over a 3.5-year period to determine if the recorded weights were within the established tolerance limits. A total of 9435 measurements were checked. There were 14 instances in which the balance malfunctioned and operators recorded a rationale in the balance logbook. Sixty-three recording errors were found. Twenty-eight operators were responsible for two types of recording errors: Measurements of weights were recorded outside of the tolerance limit but not acknowledged as an error by the operator (n = 40); and measurements were recorded with the wrong number of decimal places (n = 23). The adherence rate for following tolerance limits was 99.3%. To ensure the continued adherence to tolerance limits, the quality-assurance unit revised standard operating procedures to require more frequent review of balance logbooks.

  19. James Webb Space Telescope: Frequently Asked Questions for Scientists and Engineers

    NASA Technical Reports Server (NTRS)

    Gardner, Jonathan P.

    2008-01-01

    JWST will be tested incrementally during its construction, starting with individual mirrors and instruments (including cameras and spectrometers) and building up to the full observatory. JWST's mirrors and the telescope structure are first each tested individually, including optical testing of the mirrors and alignment testing of the structure inside a cold thermal-vacuum chamber. The mirrors are then installed on the telescope structure in a clean room at Goddard Space Flight Center (GSFC). In parallel to the telescope assembly and alignment, the instruments are being built and tested, again first individually, and then as part of an integrated instrument assembly. The integrated instrument assembly will be tested in a thermal-vacuum chamber at GSFC using an optical simulator of the telescope. This testing makes sure the instruments are properly aligned relative to each other and also provides an independent check of the individual tests. After both the telescope and the integrated instrument module are successfully assembled, the integrated instrument module will be installed onto the telescope, and the combined system will be sent to Johnson Space Flight Center (JSC) where it will be optically tested in one of the JSC chambers. The process includes testing the 18 primary mirror segments acting as a single primary mirror, and testing the end-to-end system. The final system test will assure that the combined telescope and instruments are focused and aligned properly, and that the alignment, once in space, will be within the range of the actively controlled optics. In general, the individual optical tests of instruments and mirrors are the most accurate. The final system tests provide a cost-effective check that no major problem has occurred during assembly. In addition, independent optical checks of earlier tests will be made as the full system is assembled, providing confidence that there are no major problems.

  20. Strategy optimization for mask rule check in wafer fab

    NASA Astrophysics Data System (ADS)

    Yang, Chuen Huei; Lin, Shaina; Lin, Roger; Wang, Alice; Lee, Rachel; Deng, Erwin

    2015-07-01

    Photolithography process is getting more and more sophisticated for wafer production following Moore's law. Therefore, for wafer fab, consolidated and close cooperation with mask house is a key to achieve silicon wafer success. However, generally speaking, it is not easy to preserve such partnership because many engineering efforts and frequent communication are indispensable. The inattentive connection is obvious in mask rule check (MRC). Mask houses will do their own MRC at job deck stage, but the checking is only for identification of mask process limitation including writing, etching, inspection, metrology, etc. No further checking in terms of wafer process concerned mask data errors will be implemented after data files of whole mask are composed in mask house. There are still many potential data errors even post-OPC verification has been done for main circuits. What mentioned here are the kinds of errors which will only occur as main circuits combined with frame and dummy patterns to form whole reticle. Therefore, strategy optimization is on-going in UMC to evaluate MRC especially for wafer fab concerned errors. The prerequisite is that no impact on mask delivery cycle time even adding this extra checking. A full-mask checking based on job deck in gds or oasis format is necessary in order to secure acceptable run time. Form of the summarized error report generated by this checking is also crucial because user friendly interface will shorten engineers' judgment time to release mask for writing. This paper will survey the key factors of MRC in wafer fab.

  1. 46 CFR 61.35-3 - Required tests and checks.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... controls must control and cycle the unit in the proper manner and sequence. Proper prepurge, ignition...) Limit controls. Shutdown caused by the limit controls must be verified. (9) Water level controls. Water level controls must be tested by slowly lowering the water level in the boiler. Each operating water...

  2. 46 CFR 61.35-3 - Required tests and checks.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... controls must control and cycle the unit in the proper manner and sequence. Proper prepurge, ignition...) Limit controls. Shutdown caused by the limit controls must be verified. (9) Water level controls. Water level controls must be tested by slowly lowering the water level in the boiler. Each operating water...

  3. 46 CFR 61.35-3 - Required tests and checks.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... controls must control and cycle the unit in the proper manner and sequence. Proper prepurge, ignition...) Limit controls. Shutdown caused by the limit controls must be verified. (9) Water level controls. Water level controls must be tested by slowly lowering the water level in the boiler. Each operating water...

  4. 46 CFR 61.35-3 - Required tests and checks.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... controls must control and cycle the unit in the proper manner and sequence. Proper prepurge, ignition...) Limit controls. Shutdown caused by the limit controls must be verified. (9) Water level controls. Water level controls must be tested by slowly lowering the water level in the boiler. Each operating water...

  5. Integrated Heat Switch/Oxide Sorption Compressor

    NASA Technical Reports Server (NTRS)

    Bard, Steven

    1989-01-01

    Thermally-driven, nonmechanical compressor uses container filled with compressed praseodymium cerium oxide powder (PrCeOx) to provide high-pressure flow of oxygen gas for driving closed-cycle Joule-Thomson-expansion refrigeration unit. Integrated heat switch/oxide sorption compressor has no moving parts except check valves, which control flow of oxygen gas between compressor and closed-cycle Joule-Thomson refrigeration system. Oxygen expelled from sorbent at high pressure by evacuating heat-switch gap and turning on heater.

  6. Rational first integrals of geodesic equations and generalised hidden symmetries

    NASA Astrophysics Data System (ADS)

    Aoki, Arata; Houri, Tsuyoshi; Tomoda, Kentaro

    2016-10-01

    We discuss novel generalisations of Killing tensors, which are introduced by considering rational first integrals of geodesic equations. We introduce the notion of inconstructible generalised Killing tensors, which cannot be constructed from ordinary Killing tensors. Moreover, we introduce inconstructible rational first integrals, which are constructed from inconstructible generalised Killing tensors, and provide a method for checking the inconstructibility of a rational first integral. Using the method, we show that the rational first integral of the Collinson-O’Donnell solution is not inconstructible. We also provide several examples of metrics admitting an inconstructible rational first integral in two and four-dimensions, by using the Maciejewski-Przybylska system. Furthermore, we attempt to generalise other hidden symmetries such as Killing-Yano tensors.

  7. Emotional Intelligence in Secondary Education Students in Multicultural Contexts

    ERIC Educational Resources Information Center

    Pegalajar-Palomino, Ma. del Carmen; Colmenero-Ruiz, Ma. Jesus

    2014-01-01

    Introduction: The study analyzes the level of development in emotional intelligence of Secondary Education students. It also checks for statistically significant differences in educational level between Spanish and immigrant students, under the integration program "Intercultural Open Classrooms". Method: 94 students of Secondary…

  8. Thinking inside the (lock)box: using banking technology to improve the revenue cycle.

    PubMed

    D'Eramo, Michael; Umbreit, Lynda

    2005-08-01

    An integrated, image-based lockbox solution has allowed Columbus, Ohio-based MaternOhio to automate payment posting, reconcilement, and billing; store check and remittance images electronically; and automatically update its in-house patient accounting system and medical records.

  9. [Implants with 32P-foils for LDR-brachytherapy of benign stenosis in urology and gastroenterology].

    PubMed

    Assmann, Walter; Becker, Ricarda; Otto, Henrike; Bader, Markus; Clemente, Lucas; Reinhardt, Sabine; Schäfer, Claus; Schirra, Jörg; Uschold, Stephanie; Welzmüller, Andreas; Sroka, Ronald

    2013-02-01

    For LDR-brachytherapy, a limited number of implant geometries and materials are available. To avoid wound healing related hyper-proliferation (stenosis, keloids) a novel radioactive foil system was developed based on beta emitting (32)P, which can be easily integrated in existing implants such as urethral catheters or bile duct stents. As substrate material for these foils PEEK (polyetherethercetone) was chosen because of its radiation hardness during neutron activation of (32)P. The activity was determined by liquid scintillation counting and gamma spectroscopy, dose distributions were measured with scintillation detectors and radiochromic films. The correlation between activity and dose was checked by Monte-Carlo-simulations (Geant4). Prototypes of the (32)P-implants have shown in wash-out tests the required tightness for sealed radioactive sources. In animal tests on urethra and bile duct, the uncomplicated and save application of (32)P-foils mounted on standard implants has been demonstrated, which is almost unchanged due to the simple radiation protection with plexiglass. This concept of radioactive implants with integrated (32)P-foils could extend essentially the application possibilities of LDR-brachytherapy. Copyright © 2012. Published by Elsevier GmbH.

  10. Streamlining resummed QCD calculations using Monte Carlo integration

    DOE PAGES

    Farhi, David; Feige, Ilya; Freytsis, Marat; ...

    2016-08-18

    Some of the most arduous and error-prone aspects of precision resummed calculations are related to the partonic hard process, having nothing to do with the resummation. In particular, interfacing to parton-distribution functions, combining various channels, and performing the phase space integration can be limiting factors in completing calculations. Conveniently, however, most of these tasks are already automated in many Monte Carlo programs, such as MadGraph [1], Alpgen [2] or Sherpa [3]. In this paper, we show how such programs can be used to produce distributions of partonic kinematics with associated color structures representing the hard factor in a resummed distribution.more » These distributions can then be used to weight convolutions of jet, soft and beam functions producing a complete resummed calculation. In fact, only around 1000 unweighted events are necessary to produce precise distributions. A number of examples and checks are provided, including e +e – two- and four-jet event shapes, n-jettiness and jet-mass related observables at hadron colliders at next-to-leading-log (NLL) matched to leading order (LO). Furthermore, the attached code can be used to modify MadGraph to export the relevant LO hard functions and color structures for arbitrary processes.« less

  11. PICKLE 2.0: A human protein-protein interaction meta-database employing data integration via genetic information ontology

    PubMed Central

    Gioutlakis, Aris; Klapa, Maria I.

    2017-01-01

    It has been acknowledged that source databases recording experimentally supported human protein-protein interactions (PPIs) exhibit limited overlap. Thus, the reconstruction of a comprehensive PPI network requires appropriate integration of multiple heterogeneous primary datasets, presenting the PPIs at various genetic reference levels. Existing PPI meta-databases perform integration via normalization; namely, PPIs are merged after converted to a certain target level. Hence, the node set of the integrated network depends each time on the number and type of the combined datasets. Moreover, the irreversible a priori normalization process hinders the identification of normalization artifacts in the integrated network, which originate from the nonlinearity characterizing the genetic information flow. PICKLE (Protein InteraCtion KnowLedgebasE) 2.0 implements a new architecture for this recently introduced human PPI meta-database. Its main novel feature over the existing meta-databases is its approach to primary PPI dataset integration via genetic information ontology. Building upon the PICKLE principles of using the reviewed human complete proteome (RHCP) of UniProtKB/Swiss-Prot as the reference protein interactor set, and filtering out protein interactions with low probability of being direct based on the available evidence, PICKLE 2.0 first assembles the RHCP genetic information ontology network by connecting the corresponding genes, nucleotide sequences (mRNAs) and proteins (UniProt entries) and then integrates PPI datasets by superimposing them on the ontology network without any a priori transformations. Importantly, this process allows the resulting heterogeneous integrated network to be reversibly normalized to any level of genetic reference without loss of the original information, the latter being used for identification of normalization biases, and enables the appraisal of potential false positive interactions through PPI source database cross-checking. The PICKLE web-based interface (www.pickle.gr) allows for the simultaneous query of multiple entities and provides integrated human PPI networks at either the protein (UniProt) or the gene level, at three PPI filtering modes. PMID:29023571

  12. Proceedings of the First NASA Formal Methods Symposium

    NASA Technical Reports Server (NTRS)

    Denney, Ewen (Editor); Giannakopoulou, Dimitra (Editor); Pasareanu, Corina S. (Editor)

    2009-01-01

    Topics covered include: Model Checking - My 27-Year Quest to Overcome the State Explosion Problem; Applying Formal Methods to NASA Projects: Transition from Research to Practice; TLA+: Whence, Wherefore, and Whither; Formal Methods Applications in Air Transportation; Theorem Proving in Intel Hardware Design; Building a Formal Model of a Human-Interactive System: Insights into the Integration of Formal Methods and Human Factors Engineering; Model Checking for Autonomic Systems Specified with ASSL; A Game-Theoretic Approach to Branching Time Abstract-Check-Refine Process; Software Model Checking Without Source Code; Generalized Abstract Symbolic Summaries; A Comparative Study of Randomized Constraint Solvers for Random-Symbolic Testing; Component-Oriented Behavior Extraction for Autonomic System Design; Automated Verification of Design Patterns with LePUS3; A Module Language for Typing by Contracts; From Goal-Oriented Requirements to Event-B Specifications; Introduction of Virtualization Technology to Multi-Process Model Checking; Comparing Techniques for Certified Static Analysis; Towards a Framework for Generating Tests to Satisfy Complex Code Coverage in Java Pathfinder; jFuzz: A Concolic Whitebox Fuzzer for Java; Machine-Checkable Timed CSP; Stochastic Formal Correctness of Numerical Algorithms; Deductive Verification of Cryptographic Software; Coloured Petri Net Refinement Specification and Correctness Proof with Coq; Modeling Guidelines for Code Generation in the Railway Signaling Context; Tactical Synthesis Of Efficient Global Search Algorithms; Towards Co-Engineering Communicating Autonomous Cyber-Physical Systems; and Formal Methods for Automated Diagnosis of Autosub 6000.

  13. STS-98 U.S. Lab Destiny is moved out of Atlantis' payload bay

    NASA Technical Reports Server (NTRS)

    2001-01-01

    KENNEDY SPACE CENTER, Fla. -- Workers in the Payload Changeout Room check the U.S. Lab Destiny as its moves from Atlantis''' payload bay into the PCR. Destiny will remain in the PCR while Atlantis rolls back to the Vehicle Assembly Building to allow workers to conduct inspections, continuity checks and X-ray analysis on the 36 solid rocket booster cables located inside each booster'''s system tunnel. An extensive evaluation of NASA'''s SRB cable inventory revealed conductor damage in four (of about 200) cables on the shelf. Shuttle managers decided to prove the integrity of the system tunnel cables already on Atlantis.

  14. The Z1 truss is moved to check weight and balance

    NASA Technical Reports Server (NTRS)

    2000-01-01

    In the Space Station Processing Facility, workers watch as the Integrated Truss Structure Z1, an element of the International Space Station, is moved to another stand to check its weight and balance. The Z1 truss is the first of 10 trusses that will become the backbone of the Space Station, eventually stretching the length of a football field. Along with its companion payload, the third Pressurized Mating Adapter, the Z1 is scheduled to be launched aboard Space Shuttle Discovery Oct. 5 at 9:38 p.m. EDT. The launch will be the 100th in the Shuttle program.

  15. Age-forming aluminum panels

    NASA Technical Reports Server (NTRS)

    Baxter, G. I.

    1976-01-01

    Contoured-stiffened 63 by 337 inch 2124 aluminum alloy panels are machined in-the-flat to make integral, tapered T-capped stringers, parallel with longitudinal centerline. Aging fixture, which includes net contour formers made from lofted contour templates, has eggcrate-like structure for use in forming and checking panels.

  16. Fiber-optic system for checking the acoustical parameters of gas-turbine engine flow-through passages

    NASA Astrophysics Data System (ADS)

    Vinogradov, Vasiliy Y.; Morozov, Oleg G.; Nureev, Ilnur I.; Kuznetzov, Artem A.

    2015-03-01

    In this paper we consider the integrated approach to development of the aero-acoustical methods for diagnostics of aircraft gas-turbine engine flow-through passages by using as the base the passive fiber-optic and location technologies.

  17. Confused about Fusion? Weed Your Science Collection with a Pro.

    ERIC Educational Resources Information Center

    O'Dell, Charli

    1998-01-01

    Provides guidelines on weeding science collections in junior high/high school libraries. Highlights include checking copyright dates, online sources, 13 science subject areas that deserve special consideration (plate tectonics, fission, fusion, radioactive dating, weather/climate, astronomy/space science, elements, integrated science,…

  18. Towards a Semantically-Enabled Control Strategy for Building Simulations: Integration of Semantic Technologies and Model Predictive Control

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Delgoshaei, Parastoo; Austin, Mark A.; Pertzborn, Amanda J.

    State-of-the-art building simulation control methods incorporate physical constraints into their mathematical models, but omit implicit constraints associated with policies of operation and dependency relationships among rules representing those constraints. To overcome these shortcomings, there is a recent trend in enabling the control strategies with inference-based rule checking capabilities. One solution is to exploit semantic web technologies in building simulation control. Such approaches provide the tools for semantic modeling of domains, and the ability to deduce new information based on the models through use of Description Logic (DL). In a step toward enabling this capability, this paper presents a cross-disciplinary data-drivenmore » control strategy for building energy management simulation that integrates semantic modeling and formal rule checking mechanisms into a Model Predictive Control (MPC) formulation. The results show that MPC provides superior levels of performance when initial conditions and inputs are derived from inference-based rules.« less

  19. Membrane oxygenator heat exchanger failure detected by unique blood gas findings.

    PubMed

    Hawkins, Justin L

    2014-03-01

    Failure of components integrated into the cardiopulmonary bypass circuit, although rare, can bring about catastrophic results. One of these components is the heat exchanger of the membrane oxygenator. In this compartment, unsterile water from the heater cooler device is separated from the sterile blood by stainless steel, aluminum, or by polyurethane. These areas are glued or welded to keep the two compartments separate, maintaining sterility of the blood. Although quality control testing is performed by the manufacturer at the factory level, transport presents the real possibility for damage. Because of this, each manufacturer has included in the instructions for use a testing procedure for testing the integrity of the heat exchanger component. Water is circulated through the heat exchanger before priming and a visible check is made of the oxygenator bundle to check for leaks. If none are apparent, then priming of the oxygenator is performed. In this particular case, this procedure was not useful in detecting communication between the water and blood chambers of the oxygenator.

  20. A Microcomputer-Based Program for Printing Check Plots of Integrated Circuits Specified in Caltech Intermediate Form.

    DTIC Science & Technology

    1984-12-01

    only four transistors[5]. Each year since that time, the semiconductor industry has con- sistently improved the quality of the fabrication tech- niques...rarely took place at universities and was almost exclusively confined to industry . IC design techniques were developed, tested, and taught only in the...community, it is not uncommon for industry to borrow ideas and even particular programs from these university designed tools. The Very Large Scale Integration

  1. 40 CFR 86.1324-84 - Carbon dioxide analyzer calibration.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... calibrated, if the deviation from a least-squares best-fit straight line is within ±2 percent or less of the... exceeds these limits, then the best-fit non-linear equation which represents the data within these limits shall be used to determine concentration values. (d) The initial and periodic interference, system check...

  2. 40 CFR 86.1324-84 - Carbon dioxide analyzer calibration.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... calibrated, if the deviation from a least-squares best-fit straight line is within ±2 percent or less of the... exceeds these limits, then the best-fit non-linear equation which represents the data within these limits shall be used to determine concentration values. (d) The initial and periodic interference, system check...

  3. 40 CFR 86.1324-84 - Carbon dioxide analyzer calibration.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... calibrated, if the deviation from a least-squares best-fit straight line is within ±2 percent or less of the... exceeds these limits, then the best-fit non-linear equation which represents the data within these limits shall be used to determine concentration values. (d) The initial and periodic interference, system check...

  4. 40 CFR 86.1323-84 - Oxides of nitrogen analyzer calibration.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... calibrated, if the deviation from a least-squares best-fit straight line is within ±2 percent of the value at... exceeds these limits, then the best-fit non-linear equation which represents the data within these limits shall be used to determine concentration values. (c) The initial and periodic interference, system check...

  5. 40 CFR 86.1323-84 - Oxides of nitrogen analyzer calibration.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... calibrated, if the deviation from a least-squares best-fit straight line is within ±2 percent of the value at... exceeds these limits, then the best-fit non-linear equation which represents the data within these limits shall be used to determine concentration values. (c) The initial and periodic interference, system check...

  6. Long-term behaviour of timber structures in torrent control

    NASA Astrophysics Data System (ADS)

    Rickli, Christian; Graf, Frank

    2014-05-01

    Timber is widely used for protection measures in torrent control. However, life span of woody constructions such as timber check dams is limited due to fungal decay. However, only sparse scientific information is available on the long-term behaviour of timber structures and the colonisation with decay fungi. Related to this, in practice a controversial discussion has been going on if either Norway Spruce (Picea abies) or Silver Fir (Abies alba) is more enduring and if bark removal increases resistance against fungal decay. In order to going into this matter a series of 15 timber check dams built in 1996 has been monitored. The constructions were alternatively realised with Norway Spruce and Silver Fir, half of them each with remaining and removed bark, respectively. The scientific investigations included the documentation of colonisation with rot fungi and the identification of decayed zones with a simple practical approach as well as based on drilling resistance. Colonisation by decay fungi started three years after construction (e.g. Gloeophyllum sepiarium), detecting two years later first parts with reduced wood resistance. Sixteen years after construction decay was found on all check dams but two. Wood quality was markedly better in watered sections compared to the occasionally dry lateral abutment sections. Taking the whole check dams into consideration, slightly more decay was detected in Norway Spruce compared to logs in Silver Fir and both the practical approach and the drilling resistance measurement yielded in more defects on logs without bark. However, due to limited number of replications and fungal data, it was not possible to statistically verify these results. Statistical analysis was restricted to the drilling resistance data and fruit-bodies of decay fungi of the uppermost log of each check dam. Based on this limited analysis significant differences in the effect on the drilling resistance were found for watered sections and lateral abutments, brown and white rot as well as fir with and without bark. Taking further into account that brown rot reduces wood strength faster than white rot, it may be speculated that spruce logs without bark and fir logs with bark are more resistant against fungal decay compared to logs of spruce with and fir without bark, respectively. However, this has to be treated with caution as only the uppermost logs were considered, the observation period was only 15 years and the relative abundance of the most important decay fungi considerably varied between as well as within the check dams. Consequently, for statistically sound and well-funded recommendations further investigations over a longer period are indispensable.

  7. 42 CFR 423.100 - Definitions.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ..., but are not limited to, any reasonable costs associated with a pharmacist's time in checking the... previous sentence, including the salaries of pharmacists and other pharmacy workers as well as the costs...

  8. AWARE@HOME: PROFITABLY INTEGRATING CONSERVATION INTO THE AMERICAN HOME

    EPA Science Inventory

    While American households are the most resource consuming in the world, they are unlikely to become more efficient users of public utilities because of: 1) large time delays between utility use and the receipt of utility bills; 2) the inconvenience of personally checking and ...

  9. Integrative Lifecourse and Genetic Analysis of Military Working Dogs

    DTIC Science & Technology

    2012-10-01

    Recognition), ICR (Intelligent Character Recognition) and HWR ( Handwriting Recognition). A number of various software packages were evaluated and we have...the third-party software is able to recognize check-boxes and columns and do a reasonable job with handwriting – which is does. This workflow will

  10. Integrative Lifecourse and Genetic Analysis of Military Working Dogs

    DTIC Science & Technology

    2012-10-01

    Intelligent Character Recognition) and HWR ( Handwriting Recognition). A number of various software packages were evaluated and we have settled on a...third-party software is able to recognize check-boxes and columns and do a reasonable job with handwriting – which is does. This workflow will

  11. Managing Mission-Critical Infrastructure

    ERIC Educational Resources Information Center

    Breeding, Marshall

    2012-01-01

    In the library context, they depend on sophisticated business applications specifically designed to support their work. This infrastructure consists of such components as integrated library systems, their associated online catalogs or discovery services, and self-check equipment, as well as a Web site and the various online tools and services…

  12. Long-term corrosion evaluation of stainless steels in Space Shuttle iodinated resin and water

    NASA Technical Reports Server (NTRS)

    Krohn, Douglas D.

    1992-01-01

    The effects of stainless steel exposure to iodinated water is a concern in developing the Integrated Water System (IWS) for Space Station Freedom. The IWS has a life requirement of 30 years, but the effects of general and localized corrosion over such a long period have not been determined for the candidate materials. In 1978, Umpqua Research Center immersed stainless steel 316L, 321, and 347 specimens in a solution of deionized water and the Space Shuttle microbial check valve resin. In April 1990, the solution was chemically analyzed to determine the level of corrosion formed, and the surface of each specimen was examined with scanning electron microscopy and metallography to determine the extent of general and pitting corrosion. This examination showed that the attack on the stainless steels was negligible and never penetrated past the first grain boundary layer. Of the three alloys, 316L performed the best; however, all three materials proved to be compatible with an aqueous iodine environment. In addition to the specimens exposed to aqueous iodine, a stainless steel specimen (unspecified alloy) was exposed to moist microbial check valve resin and air for a comparable period. This environment allowed contact of the metal to the resin as well as to the iodine vapor. Since the particular stainless steel alloy was not known, energy dispersive spectroscopy was used to determine that this alloy was stainless steel 301. The intergranular corrosion found on the specimen was limited to the first grain boundary layer.

  13. A vectorial capacity product to monitor changing malaria transmission potential in epidemic regions of Africa

    USGS Publications Warehouse

    Ceccato, Pietro; Vancutsem, Christelle; Klaver, Robert; Rowland, James; Connor, Stephen J.

    2012-01-01

    Rainfall and temperature are two of the major factors triggering malaria epidemics in warm semi-arid (desert-fringe) and high altitude (highland-fringe) epidemic risk areas. The ability of the mosquitoes to transmit Plasmodium spp. is dependent upon a series of biological features generally referred to as vectorial capacity. In this study, the vectorial capacity model (VCAP) was expanded to include the influence of rainfall and temperature variables on malaria transmission potential. Data from two remote sensing products were used to monitor rainfall and temperature and were integrated into the VCAP model. The expanded model was tested in Eritrea and Madagascar to check the viability of the approach. The analysis of VCAP in relation to rainfall, temperature and malaria incidence data in these regions shows that the expanded VCAP correctly tracks the risk of malaria both in regions where rainfall is the limiting factor and in regions where temperature is the limiting factor. The VCAP maps are currently offered as an experimental resource for testing within Malaria Early Warning applications in epidemic prone regions of sub-Saharan Africa. User feedback is currently being collected in preparation for further evaluation and refinement of the VCAP model.

  14. 76 FR 2152 - Proposed Collection; Comment Request

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-01-12

    ... Management and Budget for extension and approval. Rule 17a-4 requires exchange members, brokers and dealers.... These include, but are not limited to, bank statements, cancelled checks, bills receivable and payable...

  15. System Identification for Integrated Aircraft Development and Flight Testing (l’Identification des systemes pour le developpement integre des aeronefs et les essais en vol)

    DTIC Science & Technology

    1999-03-01

    aerodynamics to affect load motions. The effects include a load trail angle in proportion to the drag specific force, and modification of the load pendulum...equations algorithm for flight data filtering architeture . and data consistency checking; and SCIDNT 8, an output architecture. error identification...accelerations at the seven sensor locations, identified system is proportional to the number When system identification is performed, as of flexible modes

  16. Simulation verification techniques study: Simulation performance validation techniques document. [for the space shuttle system

    NASA Technical Reports Server (NTRS)

    Duncan, L. M.; Reddell, J. P.; Schoonmaker, P. B.

    1975-01-01

    Techniques and support software for the efficient performance of simulation validation are discussed. Overall validation software structure, the performance of validation at various levels of simulation integration, guidelines for check case formulation, methods for real time acquisition and formatting of data from an all up operational simulator, and methods and criteria for comparison and evaluation of simulation data are included. Vehicle subsystems modules, module integration, special test requirements, and reference data formats are also described.

  17. 40 CFR 63.7740 - What are my monitoring requirements?

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... a bag leak detection system according to the requirements in § 63.7741(b). (c) For each baghouse... the proper functioning of removal mechanisms. (3) Check the compressed air supply for pulse-jet... integrity of the baghouse through quarterly visual inspections of the baghouse interior for air leaks. (8...

  18. Towards Quantifying Programmable Logic Controller Resilience Against Intentional Exploits

    DTIC Science & Technology

    2012-03-22

    may improve the SCADA system’s resilience against DoS and man-in-the-middle ( MITM ) attacks. DoS attacks may be mitigated by using the redundant...paths available on the network links. MITM attacks may be mitigated by the data integrity checks associated with the middleware. Figure 4 illustrates

  19. Does It Work? 555-Timer Checker Leaves No Doubt

    ERIC Educational Resources Information Center

    Harman, Charles

    2009-01-01

    This article details the construction and use of the 555-timer checker. The 555-timer checker allows the user to dynamically check a 555-timer, an integrated circuit device. Of its many applications, it provides timing applications that unijunction transistors once performed. (Contains 4 figures and 3 photos.)

  20. The Z1 truss is moved to check weight and balance

    NASA Technical Reports Server (NTRS)

    2000-01-01

    In the Space Station Processing Facility, photographers focus on the Integrated Truss Structure Z1, an element of the International Space Station, suspended by a crane overhead. The truss is being moved to another stand to check its weight and balance. The Z1 truss is the first of 10 trusses that will become the backbone of the Space Station, eventually stretching the length of a football field. Along with its companion payload, the third Pressurized Mating Adapter, the Z1 is scheduled to be launched aboard Space Shuttle Discovery Oct. 5 at 9:38 p.m. EDT. The launch will be the 100th in the Shuttle program.

  1. STS-98 U.S. Lab Destiny is moved out of Atlantis' payload bay

    NASA Technical Reports Server (NTRS)

    2001-01-01

    KENNEDY SPACE CENTER, Fla. -- Workers in the Payload Changeout Room check the Payload Ground Handling Mechanism that will move the U.S. Lab Destiny out of Atlantis''' payload bay and into the PCR. After the move, Atlantis will roll back to the Vehicle Assembly Building to allow workers to conduct inspections, continuity checks and X-ray analysis on the 36 solid rocket booster cables located inside each booster'''s system tunnel. An extensive evaluation of NASA'''s SRB cable inventory revealed conductor damage in four (of about 200) cables on the shelf. Shuttle managers decided to prove the integrity of the system tunnel cables already on Atlantis.

  2. STS-92 crew takes part in a Leak Seal Kit Fit Check in the SSPF

    NASA Technical Reports Server (NTRS)

    1999-01-01

    STS-92 crew members discuss results of a Leak Seal Kit Fit Check on the Pressurized Mating Adapter -3, part of their mission payload, with JSC and Boeing representatives. From left are Mission Specialists Michael E. Lopez-Alegria; Koichi Wakata, who represents the National Space Development Agency of Japan (NASDA); (standing) Peter J.K. 'Jeff' Wisoff (Ph.D.) and William Surles 'Bill' McArthur Jr.; (seated) Pilot Pamela A. Melroy; Dave Moore (behind Melroy), with Boeing; Mission Specialist Leroy Chiao (Ph.D.); Brian Warkentine, with JSC; and Commander Brian Duffy. The mission payload also includes an integrated truss structure (Z-1 truss). Launch of STS-92 is scheduled for Feb. 24, 2000.

  3. Comparing the Correlation Length of Grain Markets in China and France

    NASA Astrophysics Data System (ADS)

    Roehner, Bertrand M.; Shiue, Carol H.

    In economics, comparative analysis plays the same role as experimental research in physics. In this paper, we closely examine several methodological problems related to comparative analysis by investigating the specific example of grain markets in China and France respectively. This enables us to answer a question in economic history which has so far remained pending, namely whether or not market integration progressed in the 18th century. In economics as in physics, before any new result being accepted, it has to be checked and re-checked by different researchers. This is what we call the replication and comparison procedures. We show how these procedures should (and can) be implemented.

  4. Anatomy of an online misinformation network.

    PubMed

    Shao, Chengcheng; Hui, Pik-Mai; Wang, Lei; Jiang, Xinwen; Flammini, Alessandro; Menczer, Filippo; Ciampaglia, Giovanni Luca

    2018-01-01

    Massive amounts of fake news and conspiratorial content have spread over social media before and after the 2016 US Presidential Elections despite intense fact-checking efforts. How do the spread of misinformation and fact-checking compete? What are the structural and dynamic characteristics of the core of the misinformation diffusion network, and who are its main purveyors? How to reduce the overall amount of misinformation? To explore these questions we built Hoaxy, an open platform that enables large-scale, systematic studies of how misinformation and fact-checking spread and compete on Twitter. Hoaxy captures public tweets that include links to articles from low-credibility and fact-checking sources. We perform k-core decomposition on a diffusion network obtained from two million retweets produced by several hundred thousand accounts over the six months before the election. As we move from the periphery to the core of the network, fact-checking nearly disappears, while social bots proliferate. The number of users in the main core reaches equilibrium around the time of the election, with limited churn and increasingly dense connections. We conclude by quantifying how effectively the network can be disrupted by penalizing the most central nodes. These findings provide a first look at the anatomy of a massive online misinformation diffusion network.

  5. Anatomy of an online misinformation network

    PubMed Central

    Wang, Lei; Jiang, Xinwen; Flammini, Alessandro; Ciampaglia, Giovanni Luca

    2018-01-01

    Massive amounts of fake news and conspiratorial content have spread over social media before and after the 2016 US Presidential Elections despite intense fact-checking efforts. How do the spread of misinformation and fact-checking compete? What are the structural and dynamic characteristics of the core of the misinformation diffusion network, and who are its main purveyors? How to reduce the overall amount of misinformation? To explore these questions we built Hoaxy, an open platform that enables large-scale, systematic studies of how misinformation and fact-checking spread and compete on Twitter. Hoaxy captures public tweets that include links to articles from low-credibility and fact-checking sources. We perform k-core decomposition on a diffusion network obtained from two million retweets produced by several hundred thousand accounts over the six months before the election. As we move from the periphery to the core of the network, fact-checking nearly disappears, while social bots proliferate. The number of users in the main core reaches equilibrium around the time of the election, with limited churn and increasingly dense connections. We conclude by quantifying how effectively the network can be disrupted by penalizing the most central nodes. These findings provide a first look at the anatomy of a massive online misinformation diffusion network. PMID:29702657

  6. Design and Varactors: Operational Considerations. A Reliability Study for Robust Planar GaAs

    NASA Technical Reports Server (NTRS)

    Maiwald, Frank; Schlecht, Erich; Ward, John; Lin, Robert; Leon, Rosa; Pearson, John; Mehdi, Imran

    2003-01-01

    Preliminary conclusions include: Limits for reverse currents cannot be set. Based on current data we want to avoid any reverse bias current. We know 1 micro-A is too high. Leakage current gets suppressed when operated at 120K. Migration and verification: a) Reverse Bias Voltage will be limited; b) Health check with I/V curve: 1) Minimal reverse voltage shall be x0.75 of the calculated voltage breakdown Vbr; 2) Degradation of the Reverse Bias voltage at given current will be used as indication of ESD incidents or other Damages (high RF power, heat); 3) Calculation of diodes parameter to verify initial health check result in forward direction. RF output power starts to degrade when diode I/V curve is very strongly degraded only. Experienced on 400GHz doubler and 200GHz doubler

  7. State background checks for gun purchase and firearm deaths: an exploratory study.

    PubMed

    Sen, Bisakha; Panjamapirom, Anantachai

    2012-10-01

    This study examines the relationship between the types of background-information check required by states prior to firearm purchases, and firearm homicide and suicide deaths. Negative binomial models are used to analyze state-level data for homicides and suicides in the U.S. from 1996 to 2005. Data on types of background information are retrieved from the Surveys of State Procedures Related to Firearm Sales, and the violent death data are from the WISQARS. Several other state level factors were controlled for. More background checks are associated with fewer homicide (IRR:0.93, 95% CI:0.91-0.96) and suicide (IRR:0.98, 95% CI:0.96-1.00) deaths. Firearm homicide deaths are lower when states have checks for restraining orders (IRR:0.87, 95% CI:0.79-0.95) and fugitive status (IRR:0.79, 95% CI:0.72-0.88). Firearm suicide deaths are lower when states have background checks for mental illness (IRR:0.96, 95% CI:0.92-0.99), fugitive status (IRR:0.95, 95% CI:0.90-0.99) and misdemeanors (IRR:0.95, 95% CI:0.92-1.00). It does not appear that reductions in firearm deaths are offset by increases in non-firearm violent deaths. More extensive background checks prior to gun purchase are mostly associated with reductions in firearm homicide and suicide deaths. Several study limitations are acknowledged, and further research is called for to ascertain causality. Copyright © 2012 Elsevier Inc. All rights reserved.

  8. Design of experiments enhanced statistical process control for wind tunnel check standard testing

    NASA Astrophysics Data System (ADS)

    Phillips, Ben D.

    The current wind tunnel check standard testing program at NASA Langley Research Center is focused on increasing data quality, uncertainty quantification and overall control and improvement of wind tunnel measurement processes. The statistical process control (SPC) methodology employed in the check standard testing program allows for the tracking of variations in measurements over time as well as an overall assessment of facility health. While the SPC approach can and does provide researchers with valuable information, it has certain limitations in the areas of process improvement and uncertainty quantification. It is thought by utilizing design of experiments methodology in conjunction with the current SPC practices that one can efficiently and more robustly characterize uncertainties and develop enhanced process improvement procedures. In this research, methodologies were developed to generate regression models for wind tunnel calibration coefficients, balance force coefficients and wind tunnel flow angularities. The coefficients of these regression models were then tracked in statistical process control charts, giving a higher level of understanding of the processes. The methodology outlined is sufficiently generic such that this research can be applicable to any wind tunnel check standard testing program.

  9. Using surface integrals for checking Archimedes' law of buoyancy

    NASA Astrophysics Data System (ADS)

    Lima, F. M. S.

    2012-01-01

    A mathematical derivation of the force exerted by an inhomogeneous (i.e. compressible) fluid on the surface of an arbitrarily shaped body immersed in it is not found in the literature, which may be attributed to our trust in Archimedes' law of buoyancy. However, this law, also known as Archimedes' principle (AP), does not yield the force observed when the body is in contact with the container walls, as is more evident in the case of a block immersed in a liquid and in contact with the bottom, in which a downward force that increases with depth is observed. In this work, by taking into account the surface integral of the pressure force exerted by a fluid over the surface of a body, the general validity of AP is checked. For a body fully surrounded by a fluid, homogeneous or not, a gradient version of the divergence theorem applies, yielding a volume integral that simplifies to an upward force which agrees with the force predicted by AP, as long as the fluid density is a continuous function of depth. For the bottom case, this approach yields a downward force that increases with depth, which contrasts to AP but is in agreement with experiments. It also yields a formula for this force which shows that it increases with the area of contact.

  10. OntoCheck: verifying ontology naming conventions and metadata completeness in Protégé 4.

    PubMed

    Schober, Daniel; Tudose, Ilinca; Svatek, Vojtech; Boeker, Martin

    2012-09-21

    Although policy providers have outlined minimal metadata guidelines and naming conventions, ontologies of today still display inter- and intra-ontology heterogeneities in class labelling schemes and metadata completeness. This fact is at least partially due to missing or inappropriate tools. Software support can ease this situation and contribute to overall ontology consistency and quality by helping to enforce such conventions. We provide a plugin for the Protégé Ontology editor to allow for easy checks on compliance towards ontology naming conventions and metadata completeness, as well as curation in case of found violations. In a requirement analysis, derived from a prior standardization approach carried out within the OBO Foundry, we investigate the needed capabilities for software tools to check, curate and maintain class naming conventions. A Protégé tab plugin was implemented accordingly using the Protégé 4.1 libraries. The plugin was tested on six different ontologies. Based on these test results, the plugin could be refined, also by the integration of new functionalities. The new Protégé plugin, OntoCheck, allows for ontology tests to be carried out on OWL ontologies. In particular the OntoCheck plugin helps to clean up an ontology with regard to lexical heterogeneity, i.e. enforcing naming conventions and metadata completeness, meeting most of the requirements outlined for such a tool. Found test violations can be corrected to foster consistency in entity naming and meta-annotation within an artefact. Once specified, check constraints like name patterns can be stored and exchanged for later re-use. Here we describe a first version of the software, illustrate its capabilities and use within running ontology development efforts and briefly outline improvements resulting from its application. Further, we discuss OntoChecks capabilities in the context of related tools and highlight potential future expansions. The OntoCheck plugin facilitates labelling error detection and curation, contributing to lexical quality assurance in OWL ontologies. Ultimately, we hope this Protégé extension will ease ontology alignments as well as lexical post-processing of annotated data and hence can increase overall secondary data usage by humans and computers.

  11. Evaluating the accuracy of technicians and pharmacists in checking unit dose medication cassettes.

    PubMed

    Ambrose, Peter J; Saya, Frank G; Lovett, Larry T; Tan, Sandy; Adams, Dale W; Shane, Rita

    2002-06-15

    The accuracy rates of board-registered pharmacy technicians and pharmacists in checking unit dose medication cassettes in the inpatient setting at two separate institutions were examined. Cedars-Sinai Medical Center and Long Beach Memorial Medical Center, both in Los Angeles county, petitioned the California State Board of Pharmacy to approve a waiver of the California Code of Regulations to conduct an experimental program to compare the accuracy of unit dose medication cassettes checked by pharmacists with that of cassettes checked by trained, certified pharmacy technicians. The study consisted of three parts: assessing pharmacist baseline checking accuracy (Phase I), developing a technician-training program and certifying technicians who completed the didactic and practical training (Phase II), and evaluating the accuracy of certified technicians checking unit dose medication cassettes as a daily function (Phase III). Twenty-nine pharmacists and 41 technicians (3 of whom were pharmacy interns) participated in the study. Of the technicians, all 41 successfully completed the didactic and practical training, 39 successfully completed the audits and became certified checkers, and 2 (including 1 of the interns) did not complete the certification audits because they were reassigned to another work area or had resigned. In Phase II, the observed accuracy rate and its lower confidence limit exceeded the predetermined minimum requirement of 99.8% for a certified checker. The mean accuracy rates for technicians were identical at the two institutions (p = 1.0). The difference in mean accuracy rates between pharmacists (99.52%; 95% confidence interval [CI] 99.44-99.58%) and technicians, (99.89%; 95% CI 99.87-99.90%) was significant (p < 0.0001). Inpatient technicians who had been trained and certified in a closely supervised program that incorporated quality assurance mechanisms could safely and accurately check unit dose medication cassettes filled by other technicians.

  12. DOE Office of Scientific and Technical Information (OSTI.GOV)

    Tan, J; Yan, Y; Hager, F

    Purpose: Radiation therapy has evolved to become not only more precise and potent, but also more complicated to monitor and deliver. More rigorous and comprehensive quality assurance is needed to safeguard ever advancing radiation therapy. ICRU standards dictate that an ever growing set of treatment parameters are manually checked weekly by medical physicists. This “weekly chart check” procedure is laborious and subject to human errors or other factors. A computer-assisted chart checking process will enable more complete and accurate human review of critical parameters, reduce the risk of medical errors, and improve the efficiency. Methods: We developed a web-based softwaremore » system that enables a thorough weekly quality assurance checks. In the backend, the software retrieves all machine parameters from a Treatment Management System (TMS) and compares them against the corresponding ones from the treatment planning system. They are also checked for validity against preset rules. The results are displayed as a web page in the front-end for physicists to review. Then a summary report is generated and uploaded automatically to the TMS as a record for weekly chart checking. Results: The software system has been deployed on a web server in our department’s intranet, and has been tested thoroughly by our clinical physicists. A plan parameter would be highlighted when it is off the preset limit. The developed system has changed the way of checking charts with significantly improved accuracy, efficiency, and completeness. It has been shown to be robust, fast, and easy to use. Conclusion: A computer-assisted system has been developed for efficient, accurate, and comprehensive weekly chart checking. The system has been extensively validated and is being implemented for routine clinical use.« less

  13. Students take the lead for learning in practice: A process for building self-efficacy into undergraduate nursing education.

    PubMed

    Henderson, Amanda; Harrison, Penny; Rowe, Jennifer; Edwards, Sam; Barnes, Margaret; Henderson, Simon; Henderson, Amanda

    2018-04-10

    To prepare graduate nurses for practice, the curriculum and pedagogy need to facilitate student engagement, active learning and the development of self-efficacy. This pilot project describes and explores an initiative, the Check-in and Check-out process, that aims to engage students as active partners in their learning and teaching in their clinical preparation for practice. Three interdependent elements make up the process: a check-in (briefing) part; a clinical practice part, which supports students as they engage in their learning and practise clinical skills; and a check-out (debriefing) part. A student evaluation of this initiative confirmed the value of the process, which has subsequently been embedded in the preparation for practice and work-integrated learning courses in the undergraduate nursing programs at the participating university. The introduction of a singular learning process provides consistency in the learning approach used across clinical learning spaces, irrespective of their location or focus. A consistent learning process-including a common language that easily transfers across all clinical courses and clinical settings-arguably enhances the students' learning experience, helps them to actively manage their preparation for clinical practice and to develop self-efficacy. Copyright © 2018. Published by Elsevier Ltd.

  14. Stateless and stateful implementations of faithful execution

    DOEpatents

    Pierson, Lyndon G; Witzke, Edward L; Tarman, Thomas D; Robertson, Perry J; Eldridge, John M; Campbell, Philip L

    2014-12-16

    A faithful execution system includes system memory, a target processor, and protection engine. The system memory stores a ciphertext including value fields and integrity fields. The value fields each include an encrypted executable instruction and the integrity fields each include an encrypted integrity value for determining whether a corresponding one of the value fields has been modified. The target processor executes plaintext instructions decoded from the ciphertext while the protection engine is coupled between the system memory and the target processor. The protection engine includes logic to retrieve the ciphertext from the system memory, decrypt the value fields into the plaintext instructions, perform an integrity check based on the integrity fields to determine whether any of the corresponding value fields have been modified, and provide the plaintext instructions to the target processor for execution.

  15. Finite element implementation of state variable-based viscoplasticity models

    NASA Technical Reports Server (NTRS)

    Iskovitz, I.; Chang, T. Y. P.; Saleeb, A. F.

    1991-01-01

    The implementation of state variable-based viscoplasticity models is made in a general purpose finite element code for structural applications of metals deformed at elevated temperatures. Two constitutive models, Walker's and Robinson's models, are studied in conjunction with two implicit integration methods: the trapezoidal rule with Newton-Raphson iterations and an asymptotic integration algorithm. A comparison is made between the two integration methods, and the latter method appears to be computationally more appealing in terms of numerical accuracy and CPU time. However, in order to make the asymptotic algorithm robust, it is necessary to include a self adaptive scheme with subincremental step control and error checking of the Jacobian matrix at the integration points. Three examples are given to illustrate the numerical aspects of the integration methods tested.

  16. DOE Office of Scientific and Technical Information (OSTI.GOV)

    Basavatia, A; Kalnicki, S; Garg, M

    Purpose: To implement a clinically useful palm vein pattern recognition biometric system to treat the correct treatment plan to the correct patient each and every time and to check-in the patient into the department to access the correct medical record. Methods: A commercially available hand vein scanning system was paired to Aria and utilized an ADT interface from the hospital electronic health system. Integration at two points in Aria, version 11 MR2, first at the appointment tracker screen for the front desk medical record access and second at the queue screen on the 4D treatment console took place for patientmore » daily time-out. A test patient was utilized to check accuracy of identification as well as to check that no unintended interactions take place between the 4D treatment console and the hand vein scanning system. This system has been in clinical use since December 2013. Results: Since implementation, 445 patients have been enrolled into our biometric system. 95% of patients learn the correct methodology of hand placement on the scanner in the first try. We have had two instances of patient not found because of a bad initial scan. We simply erased the scanned metric and the patient enrolled again in those cases. The accuracy of the match is 100% for each patient, we have not had one patient misidentified. We can state this because we still use patient photo and date of birth as identifiers. A QA test patient is run monthly to check the integrity of the system. Conclusion: By utilizing palm vein scans along with the date of birth and patient photo, another means of patient identification now exits. This work indicates the successful implementation of technology in the area of patient safety by closing the gap of treating the wrong plan to a patient in radiation oncology. FOJP Service Corporation covered some of the costs of the hardware and software of the palm vein pattern recognition biometric system.« less

  17. 4d N = 1 quiver gauge theories and the An Bailey lemma

    NASA Astrophysics Data System (ADS)

    Brünner, Frederic; Spiridonov, Vyacheslav P.

    2018-03-01

    We study the integral Bailey lemma associated with the An-root system and identities for elliptic hypergeometric integrals generated thereby. Interpreting integrals as superconformal indices of four-dimensional N = 1 quiver gauge theories with the gauge groups being products of SU(n + 1), we provide evidence for various new dualities. Further confirmation is achieved by explicitly checking that the `t Hooft anomaly matching conditions holds. We discuss a flavour symmetry breaking phenomenon for supersymmetric quantum chromodynamics (SQCD), and by making use of the Bailey lemma we indicate its manifestation in a web of linear quivers dual to SQCD that exhibits full s-confinement.

  18. Yangian Symmetry and Integrability of Planar N=4 Supersymmetric Yang-Mills Theory.

    PubMed

    Beisert, Niklas; Garus, Aleksander; Rosso, Matteo

    2017-04-07

    In this Letter, we establish Yangian symmetry of planar N=4 supersymmetric Yang-Mills theory. We prove that the classical equations of motion of the model close onto themselves under the action of Yangian generators. Moreover, we propose an off-shell extension of our statement, which is equivalent to the invariance of the action and prove that it is exactly satisfied. We assert that our relationship serves as a criterion for integrability in planar gauge theories by explicitly checking that it applies to the integrable Aharony-Bergman-Jafferis-Maldacena theory but not to the nonintegrable N=1 supersymmetric Yang-Mills theory.

  19. Verifying Data Integrity of Electronically Scanned Pressure Systems at the NASA Glenn Research Center

    NASA Technical Reports Server (NTRS)

    Panek, Joseph W.

    2001-01-01

    The proper operation of the Electronically Scanned Pressure (ESP) System critical to accomplish the following goals: acquisition of highly accurate pressure data for the development of aerospace and commercial aviation systems and continuous confirmation of data quality to avoid costly, unplanned, repeat wind tunnel or turbine testing. Standard automated setup and checkout routines are necessary to accomplish these goals. Data verification and integrity checks occur at three distinct stages, pretest pressure tubing and system checkouts, daily system validation and in-test confirmation of critical system parameters. This paper will give an overview of the existing hardware, software and methods used to validate data integrity.

  20. [Filariasis control: entry point for other helminthiasis control programs?].

    PubMed

    Boussinesq, M

    2006-08-01

    Filariasis control programs are based on a decentralized drug distribution strategy known as "community-directed". This strategy could also be applied to the control of schistosomiasis and intestinal nematode infections. Integration of these control programs could be highly cost-effective. However, as a prerequisite for integration, it would be necessary to identify zones where these helminthic infections co-exist, specify the population categories that should receive each medication (ivermectin, albendazole, mebendazole, and praziquantel), check that combined administration of these drugs is safe and ensure that an integrated program would have no detrimental effect on the health care system and on the efficacy of ongoing programs.

  1. Evaluation of radiation loading on finite cylindrical shells using the fast Fourier transform: A comparison with direct numerical integration.

    PubMed

    Liu, S X; Zou, M S

    2018-03-01

    The radiation loading on a vibratory finite cylindrical shell is conventionally evaluated through the direct numerical integration (DNI) method. An alternative strategy via the fast Fourier transform algorithm is put forward in this work based on the general expression of radiation impedance. To check the feasibility and efficiency of the proposed method, a comparison with DNI is presented through numerical cases. The results obtained using the present method agree well with those calculated by DNI. More importantly, the proposed calculating strategy can significantly save the time cost compared with the conventional approach of straightforward numerical integration.

  2. MPST Software: grl_pef_check

    NASA Technical Reports Server (NTRS)

    Call, Jared A.; Kwok, John H.; Fisher, Forest W.

    2013-01-01

    This innovation is a tool used to verify and validate spacecraft sequences at the predicted events file (PEF) level for the GRAIL (Gravity Recovery and Interior Laboratory, see http://www.nasa. gov/mission_pages/grail/main/index. html) mission as part of the Multi-Mission Planning and Sequencing Team (MPST) operations process to reduce the possibility for errors. This tool is used to catch any sequence related errors or issues immediately after the seqgen modeling to streamline downstream processes. This script verifies and validates the seqgen modeling for the GRAIL MPST process. A PEF is provided as input, and dozens of checks are performed on it to verify and validate the command products including command content, command ordering, flight-rule violations, modeling boundary consistency, resource limits, and ground commanding consistency. By performing as many checks as early in the process as possible, grl_pef_check streamlines the MPST task of generating GRAIL command and modeled products on an aggressive schedule. By enumerating each check being performed, and clearly stating the criteria and assumptions made at each step, grl_pef_check can be used as a manual checklist as well as an automated tool. This helper script was written with a focus on enabling the user with the information they need in order to evaluate a sequence quickly and efficiently, while still keeping them informed and active in the overall sequencing process. grl_pef_check verifies and validates the modeling and sequence content prior to investing any more effort into the build. There are dozens of various items in the modeling run that need to be checked, which is a time-consuming and errorprone task. Currently, no software exists that provides this functionality. Compared to a manual process, this script reduces human error and saves considerable man-hours by automating and streamlining the mission planning and sequencing task for the GRAIL mission.

  3. 40 CFR 75.59 - Certification, quality assurance, and quality control record provisions.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... and the run average); (B) The raw data and results for all required pre-test, post-test, pre-run and...-day calibration error tests, all daily system integrity checks (Hg monitors, only), and all off-line calibration demonstrations, including any follow-up tests after corrective action: (i) Component-system...

  4. Improving NAVFAC's total quality management of construction drawings with CLIPS

    NASA Technical Reports Server (NTRS)

    Antelman, Albert

    1991-01-01

    A diagnostic expert system to improve the quality of Naval Facilities Engineering Command (NAVFAC) construction drawings and specification is described. C Language Integrated Production System (CLIPS) and computer aided design layering standards are used in an expert system to check and coordinate construction drawings and specifications to eliminate errors and omissions.

  5. Foursquare: A Health Education Specialist Checks-In--A Commentary

    ERIC Educational Resources Information Center

    Haithcox-Dennis, Melissa

    2011-01-01

    More and more, health education specialists are integrating technology into their work. Whereas most are familiar with social media sites like Facebook, Twitter and LinkedIn, one relatively new form of social media, location based services (LBS), may be less familiar. Developed in 2000, LBS are software applications that are accessible from a…

  6. HPC Software Stack Testing Framework

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Garvey, Cormac

    The HPC Software stack testing framework (hpcswtest) is used in the INL Scientific Computing Department to test the basic sanity and integrity of the HPC Software stack (Compilers, MPI, Numerical libraries and Applications) and to quickly discover hard failures, and as a by-product it will indirectly check the HPC infrastructure (network, PBS and licensing servers).

  7. Think Inside the Box. Integrating Math in Your Classroom

    ERIC Educational Resources Information Center

    Naylor, Michael

    2005-01-01

    This brief article describes a few entertaining math "puzzles" that are easy to use with students at any grade level and with any operation. Not only do these puzzles help provide practice with facts and operations, they are also self-checking and may lead to some interesting big ideas in algebra.

  8. Efficiency in the Community College Sector: Stochastic Frontier Analysis

    ERIC Educational Resources Information Center

    Agasisti, Tommaso; Belfield, Clive

    2017-01-01

    This paper estimates technical efficiency scores across the community college sector in the United States. Using stochastic frontier analysis and data from the Integrated Postsecondary Education Data System for 2003-2010, we estimate efficiency scores for 950 community colleges and perform a series of sensitivity tests to check for robustness. We…

  9. Diagrammar in classical scalar field theory

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Cattaruzza, E., E-mail: Enrico.Cattaruzza@gmail.com; Gozzi, E., E-mail: gozzi@ts.infn.it; INFN, Sezione di Trieste

    2011-09-15

    In this paper we analyze perturbatively a g{phi}{sup 4}classical field theory with and without temperature. In order to do that, we make use of a path-integral approach developed some time ago for classical theories. It turns out that the diagrams appearing at the classical level are many more than at the quantum level due to the presence of extra auxiliary fields in the classical formalism. We shall show that a universal supersymmetry present in the classical path-integral mentioned above is responsible for the cancelation of various diagrams. The same supersymmetry allows the introduction of super-fields and super-diagrams which considerably simplifymore » the calculations and make the classical perturbative calculations almost 'identical' formally to the quantum ones. Using the super-diagrams technique, we develop the classical perturbation theory up to third order. We conclude the paper with a perturbative check of the fluctuation-dissipation theorem. - Highlights: > We provide the Feynman diagrams of perturbation theory for a classical field theory. > We give a super-formalism which links the quantum diagrams to the classical ones. > We check perturbatively the fluctuation-dissipation theorem.« less

  10. Capturing, using, and managing quality assurance knowledge for shuttle post-MECO flight design

    NASA Technical Reports Server (NTRS)

    Peters, H. L.; Fussell, L. R.; Goodwin, M. A.; Schultz, Roger D.

    1991-01-01

    Ascent initialization values used by the Shuttle's onboard computer for nominal and abort mission scenarios are verified by a six degrees of freedom computer simulation. The procedure that the Ascent Post Main Engine Cutoff (Post-MECO) group uses to perform quality assurance (QA) of the simulation is time consuming. Also, the QA data, checklists and associated rationale, though known by the group members, is not sufficiently documented, hindering transfer of knowledge and problem resolution. A new QA procedure which retains the current high level of integrity while reducing the time required to perform QA is needed to support the increasing Shuttle flight rate. Documenting the knowledge is also needed to increase its availability for training and problem resolution. To meet these needs, a knowledge capture process, embedded into the group activities, was initiated to verify the existing QA checks, define new ones, and document all rationale. The resulting checks were automated in a conventional software program to achieve the desired standardization, integrity, and time reduction. A prototype electronic knowledge base was developed with Macintosh's HyperCard to serve as a knowledge capture tool and data storage.

  11. Galileo: The Added Value for Integrity in Harsh Environments.

    PubMed

    Borio, Daniele; Gioia, Ciro

    2016-01-16

    A global navigation satellite system (GNSS)-based navigation is a challenging task in a signal-degraded environments where GNSS signals are distorted by multipath and attenuated by fading effects: the navigation solution may be inaccurate or unavailable. A possible approach to improve accuracy and availability is the joint use of measurements from different GNSSs and quality check algorithms; this approach is investigated here using live GPS and Galileo signals. A modified receiver autonomous integrity monitoring (RAIM) algorithm, including geometry and separability checks, is proposed to detect and exclude erroneous measurements: the multi-constellation approach provides redundant measurements, and RAIM exploits them to exclude distorted observations. The synergy between combined GPS/Galileo navigation and RAIM is analyzed using live data; the performance is compared to the accuracy and availability of a GPS-only solution. The tests performed demonstrate that the methods developed are effective techniques for GNSS-based navigation in signal-degraded environments. The joint use of the multi-constellation approach and of modified RAIM algorithms improves the performance of the navigation system in terms of both accuracy and availability.

  12. Galileo: The Added Value for Integrity in Harsh Environments

    PubMed Central

    Borio, Daniele; Gioia, Ciro

    2016-01-01

    A global navigation satellite system (GNSS)-based navigation is a challenging task in a signal-degraded environments where GNSS signals are distorted by multipath and attenuated by fading effects: the navigation solution may be inaccurate or unavailable. A possible approach to improve accuracy and availability is the joint use of measurements from different GNSSs and quality check algorithms; this approach is investigated here using live GPS and Galileo signals. A modified receiver autonomous integrity monitoring (RAIM) algorithm, including geometry and separability checks, is proposed to detect and exclude erroneous measurements: the multi-constellation approach provides redundant measurements, and RAIM exploits them to exclude distorted observations. The synergy between combined GPS/Galileo navigation and RAIM is analyzed using live data; the performance is compared to the accuracy and availability of a GPS-only solution. The tests performed demonstrate that the methods developed are effective techniques for GNSS-based navigation in signal-degraded environments. The joint use of the multi-constellation approach and of modified RAIM algorithms improves the performance of the navigation system in terms of both accuracy and availability. PMID:26784205

  13. International lessons in new methods for grading and integrating cost effectiveness evidence into clinical practice guidelines.

    PubMed

    Antioch, Kathryn M; Drummond, Michael F; Niessen, Louis W; Vondeling, Hindrik

    2017-01-01

    Economic evidence is influential in health technology assessment world-wide. Clinical Practice Guidelines (CPG) can enable economists to include economic information on health care provision. Application of economic evidence in CPGs, and its integration into clinical practice and national decision making is hampered by objections from professions, paucity of economic evidence or lack of policy commitment. The use of state-of-art economic methodologies will improve this. Economic evidence can be graded by 'checklists' to establish the best evidence for decision making given methodological rigor. New economic evaluation checklists, Multi-Criteria Decision Analyses (MCDA) and other decision criteria enable health economists to impact on decision making world-wide. We analyse the methodologies for integrating economic evidence into CPG agencies globally, including the Agency of Health Research and Quality (AHRQ) in the USA, National Health and Medical Research Council (NHMRC) and Australian political reforms. The Guidelines and Economists Network International (GENI) Board members from Australia, UK, Canada and Denmark presented the findings at the conference of the International Health Economists Association (IHEA) and we report conclusions and developments since. The Consolidated Guidelines for the Reporting of Economic Evaluations (CHEERS) 24 item check list can be used by AHRQ, NHMRC, other CPG and health organisations, in conjunction with the Drummond ten-point check list and a questionnaire that scores that checklist for grading studies, when assessing economic evidence. Cost-effectiveness Analysis (CEA) thresholds, opportunity cost and willingness-to-pay (WTP) are crucial issues for decision rules in CEA generally, including end-of-life therapies. Limitations of inter-rater reliability in checklists can be addressed by including more than one assessor to reach a consensus, especially when impacting on treatment decisions. We identify priority areas to generate economic evidence for CPGs by NHMRC, AHRQ, and other agencies. The evidence may cover demand for care issues such as involved time, logistics, innovation price, price sensitivity, substitutes and complements, WTP, absenteeism and presentism. Supply issues may include economies of scale, efficiency changes, and return on investment. Involved equity and efficiency measures may include cost-of-illness, disease burden, quality-of-life, budget impact, cost-effective ratios, net benefits and disparities in access and outcomes. Priority setting remains essential and trade-off decisions between policy criteria can be based on MCDA, both in evidence based clinical medicine and in health planning.

  14. Integrity Constraint Monitoring in Software Development: Proposed Architectures

    NASA Technical Reports Server (NTRS)

    Fernandez, Francisco G.

    1997-01-01

    In the development of complex software systems, designers are required to obtain from many sources and manage vast amounts of knowledge of the system being built and communicate this information to personnel with a variety of backgrounds. Knowledge concerning the properties of the system, including the structure of, relationships between and limitations of the data objects in the system, becomes increasingly more vital as the complexity of the system and the number of knowledge sources increases. Ensuring that violations of these properties do not occur becomes steadily more challenging. One approach toward managing the enforcement or system properties, called context monitoring, uses a centralized repository of integrity constraints and a constraint satisfiability mechanism for dynamic verification of property enforcement during program execution. The focus of this paper is to describe possible software architectures that define a mechanism for dynamically checking the satisfiability of a set of constraints on a program. The next section describes the context monitoring approach in general. Section 3 gives an overview of the work currently being done toward the addition of an integrity constraint satisfiability mechanism to a high-level program language, SequenceL, and demonstrates how this model is being examined to develop a general software architecture. Section 4 describes possible architectures for a general constraint satisfiability mechanism, as well as an alternative approach that, uses embedded database queries in lieu of an external monitor. The paper concludes with a brief summary outlining the, current state of the research and future work.

  15. Stochastic Ocean Predictions with Dynamically-Orthogonal Primitive Equations

    NASA Astrophysics Data System (ADS)

    Subramani, D. N.; Haley, P., Jr.; Lermusiaux, P. F. J.

    2017-12-01

    The coastal ocean is a prime example of multiscale nonlinear fluid dynamics. Ocean fields in such regions are complex and intermittent with unstationary heterogeneous statistics. Due to the limited measurements, there are multiple sources of uncertainties, including the initial conditions, boundary conditions, forcing, parameters, and even the model parameterizations and equations themselves. For efficient and rigorous quantification and prediction of these uncertainities, the stochastic Dynamically Orthogonal (DO) PDEs for a primitive equation ocean modeling system with a nonlinear free-surface are derived and numerical schemes for their space-time integration are obtained. Detailed numerical studies with idealized-to-realistic regional ocean dynamics are completed. These include consistency checks for the numerical schemes and comparisons with ensemble realizations. As an illustrative example, we simulate the 4-d multiscale uncertainty in the Middle Atlantic/New York Bight region during the months of Jan to Mar 2017. To provide intitial conditions for the uncertainty subspace, uncertainties in the region were objectively analyzed using historical data. The DO primitive equations were subsequently integrated in space and time. The probability distribution function (pdf) of the ocean fields is compared to in-situ, remote sensing, and opportunity data collected during the coincident POSYDON experiment. Results show that our probabilistic predictions had skill and are 3- to 4- orders of magnitude faster than classic ensemble schemes.

  16. Probing satellite galaxies in the Local Group by using FAST

    NASA Astrophysics Data System (ADS)

    Li, Jing; Wang, You-Gang; Kong, Min-Zhi; Wang, Jie; Chen, Xuelei; Guo, Rui

    2018-01-01

    The abundance of neutral hydrogen (HI) in satellite galaxies in the local group is important for studying the formation history of our local group. In this work, we generated mock HI satellite galaxies in the Local Group using the high mass-resolution hydrodynamic APOSTLE simulation. The simulated HI mass function agrees with the ALFALFA survey very well above 106 M ⊙, although there is a discrepancy below this scale because of the observed flux limit. After carefully checking various systematic elements in the observations, including fitting of line width, sky coverage, integration time and frequency drift due to uncertainty in a galaxy’s distance, we predicted the abundance of HI in galaxies in a future survey that will be conducted by FAST. FAST has a larger aperture and higher sensitivity than the Arecibo telescope. We found that the HI mass function could be estimated well around 105 M ⊙ if the integration time is 40 minutes. Our results indicate that there are 61 HI satellites in the Local Group and 36 in the FAST field above 105 M ⊙. This estimation is one order of magnitude better than the current data, and will put a strong constraint on the formation history of the Local Group. Also more high resolution simulated samples are needed to achieve this target.

  17. Engine-integrated solid oxide fuel cells for efficient electrical power generation on aircraft

    NASA Astrophysics Data System (ADS)

    Waters, Daniel F.; Cadou, Christopher P.

    2015-06-01

    This work investigates the use of engine-integrated catalytic partial oxidation (CPOx) reactors and solid oxide fuel cells (SOFCs) to reduce fuel burn in vehicles with large electrical loads like sensor-laden unmanned air vehicles. Thermodynamic models of SOFCs, CPOx reactors, and three gas turbine (GT) engine types (turbojet, combined exhaust turbofan, separate exhaust turbofan) are developed and checked against relevant data and source material. Fuel efficiency is increased by 4% and 8% in the 50 kW and 90 kW separate exhaust turbofan systems respectively at only modest cost in specific power (8% and 13% reductions respectively). Similar results are achieved in other engine types. An additional benefit of hybridization is the ability to provide more electric power (factors of 3 or more in some cases) than generator-based systems before encountering turbine inlet temperature limits. A sensitivity analysis shows that the most important parameters affecting the system's performance are operating voltage, percent fuel oxidation, and SOFC assembly air flows. Taken together, this study shows that it is possible to create a GT-SOFC hybrid where the GT mitigates balance of plant losses and the SOFC raises overall system efficiency. The result is a synergistic system with better overall performance than stand-alone components.

  18. The utility of and risks associated with the use of spontaneous volunteers in disaster response: a survey.

    PubMed

    Sauer, Lauren M; Catlett, Christina; Tosatto, Robert; Kirsch, Thomas D

    2014-02-01

    The use of spontaneous volunteers (SV) is common after a disaster, but their limited training and experience can create a danger for the SVs and nongovernmental voluntary organizations (NVOs). We assessed the experience of NVOs with SVs during disasters, how they were integrated into the agency's infrastructure, their perceived value to previous responses, and liability issues associated with their use. Of the 51 National Voluntary Organizations Active in Disasters organizations that were contacted for surveys, 24 (47%) agreed to participate. Of the 24 participating organizations, 19 (72%) had encountered SVs during a response, most (79%) used them regularly, and 68% believed that SVs were usually useful. SVs were always credentialed by 2 organizations, and sometimes by 6 (31%). One organization always performed background checks; 53% provided just-in-time training for SVs; 26% conducted evaluations of SV performance; and 21% provided health or workers compensation benefits. Two organizations reported an SV death; 42% reported injuries; 32% accepted legal liability for the actions of SVs; and 16% were sued because of actions by SVs. The use of SVs is widespread, but NVOs are not necessarily structured to incorporate them effectively. More structured efforts to integrate SVs are critical to safe and effective disaster response.

  19. Mold Testing or Sampling

    EPA Pesticide Factsheets

    In most cases, if visible mold growth is present, sampling is unnecessary. Since no EPA or other federal limits have been set for mold or mold spores, sampling cannot be used to check a building's compliance with federal mold standards.

  20. The bispectrum of cosmic string temperature fluctuations including recombination effects

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Regan, Donough; Hindmarsh, Mark, E-mail: d.regan@sussex.ac.uk, E-mail: m.b.hindmarsh@sussex.ac.uk

    2015-10-01

    We calculate the cosmic microwave background temperature bispectrum from cosmic strings, including the contributions from the last scattering surface, using a well-established Gaussian model for the string energy-momentum correlation functions, and a simplified model for the cosmic fluid. We check our approximation for the integrated Sachs-Wolfe (ISW) contribution against the bispectrum obtained from the full sky map of the cosmic string ISW signal used by the Planck team, obtaining good agreement. We validate our model for the last scattering surface contribution by comparing the predicted temperature power spectrum with that obtained from a full Boltzmann code treatment applied to themore » Unconnected Segment Model of a string network. We find that including the last scattering contribution has only a small impact on the upper limit on the string tension resulting from the bispectrum at Planck resolutions, and argue that the bispectrum is unlikely to be competitive with the power spectrum at any resolution.« less

  1. Sum rules and other properties involving resonance projection operators. [for optical potential description of electron scattering from atoms and ions

    NASA Technical Reports Server (NTRS)

    Berk, A.; Temkin, A.

    1985-01-01

    A sum rule is derived for the auxiliary eigenvalues of an equation whose eigenspectrum pertains to projection operators which describe electron scattering from multielectron atoms and ions. The sum rule's right-hand side depends on an integral involving the target system eigenfunctions. The sum rule is checked for several approximations of the two-electron target. It is shown that target functions which have a unit eigenvalue in their auxiliary eigenspectrum do not give rise to well-defined projection operators except through a limiting process. For Hylleraas target approximations, the auxiliary equations are shown to contain an infinite spectrum. However, using a Rayleigh-Ritz variational principle, it is shown that a comparatively simple aproximation can exhaust the sum rule to better than five significant figures. The auxiliary Hylleraas equation is greatly simplified by conversion to a square root equation containing the same eigenfunction spectrum and from which the required eigenvalues are trivially recovered by squaring.

  2. DOE Office of Scientific and Technical Information (OSTI.GOV)

    Wannamaker, Philip E.

    We have developed an algorithm for the inversion of magnetotelluric (MT) data to a 3D earth resistivity model based upon the finite element method. Hexahedral edge finite elements are implemented to accommodate discontinuities in the electric field across resistivity boundaries, and to accurately simulate topographic variations. All matrices are reduced and solved using direct solution modules which avoids ill-conditioning endemic to iterative solvers such as conjugate gradients, principally PARDISO for the finite element system and PLASMA for the parameter step estimate. Large model parameterizations can be handled by transforming the Gauss-Newton estimator to data-space form. Accuracy of the forward problemmore » and jacobians has been checked by comparison to integral equations results and by limiting asymptotes. Inverse accuracy and performance has been verified against the public Dublin Secret Test Model 2 and the well-known Mount St Helens 3D MT data set. This algorithm we believe is the most capable yet for forming 3D images of earth resistivity structure and their implications for geothermal fluids and pathways.« less

  3. Integrated active mixing and biosensing using low frequency vibrating mixer and Love-wave sensor for real time detection of antibody binding event

    NASA Astrophysics Data System (ADS)

    Kardous, F.; El Fissi, L.; Friedt, J.-M.; Bastien, F.; Boireau, W.; Yahiaoui, R.; Manceau, J.-F.; Ballandras, S.

    2011-05-01

    The development of lab-on-chip devices is expected to dramatically change biochemical analyses, allowing for a notable increase of processing quality and throughput, provided the induced chemical reactions are well controlled. In this work, we investigate the impact of local acoustic mixing to promote or accelerate such biochemical reactions, such as antibody grafting on activated surfaces. During microarray building, the spotting mode leads to low efficiency in the ligand grafting and heterogeneities which limits its performances. To improve the transfer rate, we induce a hydrodynamic flow in the spotted droplet to disrupt the steady state during antibody grafting. To prove that acoustic mixing increases the antibody transfer rate to the biochip surface, we have used a Love-wave sensor allowing for real-time monitoring of the biological reaction for different operating conditions (with or without mixing). An analysis of the impact of the proposed mixing on grafting kinetics is proposed and finally checked in the case of antibody-antigen combination.

  4. KSC-2013-3092

    NASA Image and Video Library

    2013-07-22

    HOUSTON - JSC2013e068344 - NASA astronaut Randy Bresnik gets into position in The Boeing Company's CST-100 spacecraft for a fit check evaluation at the company's Houston Product Support Center. Bresnik's fit check will help evaluate a crew's maneuverability in the spacecraft and test communications. Boeing's CST-100 is being designed to transport crew members or a mix of crew and cargo to low-Earth-orbit destinations. The evaluation is part of the ongoing work supporting Boeing's funded Space Act Agreement with NASA's Commercial Crew Program, or CCP, during the agency's Commercial Crew Integrated Capability, or CCiCap, initiative. CCiCap is intended to make commercial human spaceflight services available for government and commercial customers. To learn more about CCP, visit http://www.nasa.gov/commercialcrew. Photo credit: NASA/Robert Markowitz

  5. KSC-2013-3088

    NASA Image and Video Library

    2013-07-22

    HOUSTON - JSC2013e068317 - NASA astronaut Serena Aunon exits The Boeing Company's CST-100 spacecraft following a fit check evaluation at the company's Houston Product Support Center. Aunon's fit check will help evaluate a crew's maneuverability in the spacecraft and test communications. Boeing's CST-100 is being designed to transport crew members or a mix of crew and cargo to low-Earth-orbit destinations. The evaluation is part of the ongoing work supporting Boeing's funded Space Act Agreement with NASA's Commercial Crew Program, or CCP, during the agency's Commercial Crew Integrated Capability, or CCiCap, initiative. CCiCap is intended to make commercial human spaceflight services available for government and commercial customers. To learn more about CCP, visit http://www.nasa.gov/commercialcrew. Photo credit: NASA/Robert Markowitz

  6. KSC-2013-3080

    NASA Image and Video Library

    2013-07-22

    HOUSTON - JSC2013e068269 - NASA astronaut Serena Aunon prepares to enter The Boeing Company's CST-100 spacecraft for a fit check evaluation at the company's Houston Product Support Center. Aunon's fit check will help evaluate a crew's maneuverability in the spacecraft and test communications. Boeing's CST-100 is being designed to transport crew members or a mix of crew and cargo to low-Earth-orbit destinations. The evaluation is part of the ongoing work supporting Boeing's funded Space Act Agreement with NASA's Commercial Crew Program, or CCP, during the agency's Commercial Crew Integrated Capability, or CCiCap, initiative. CCiCap is intended to make commercial human spaceflight services available for government and commercial customers. To learn more about CCP, visit http://www.nasa.gov/commercialcrew. Photo credit: NASA/Robert Markowitz

  7. KSC-2013-3091

    NASA Image and Video Library

    2013-07-22

    HOUSTON - JSC2013e068333 - NASA astronaut Randy Bresnik prepares to enter The Boeing Company's CST-100 spacecraft for a fit check evaluation at the company's Houston Product Support Center. Bresnik's fit check will help evaluate a crew's maneuverability in the spacecraft and test communications. Boeing's CST-100 is being designed to transport crew members or a mix of crew and cargo to low-Earth-orbit destinations. The evaluation is part of the ongoing work supporting Boeing's funded Space Act Agreement with NASA's Commercial Crew Program, or CCP, during the agency's Commercial Crew Integrated Capability, or CCiCap, initiative. CCiCap is intended to make commercial human spaceflight services available for government and commercial customers. To learn more about CCP, visit http://www.nasa.gov/commercialcrew. Photo credit: NASA/Robert Markowitz

  8. KSC-2013-3078

    NASA Image and Video Library

    2013-07-22

    HOUSTON - JSC2013e068260 - NASA astronaut Serena Aunon suits up for a fit check evaluation of The Boeing Company's CST-100 spacecraft at the company's Houston Product Support Center. Aunon's fit check will help evaluate a crew's maneuverability in the spacecraft and test communications. Boeing's CST-100 is being designed to transport crew members or a mix of crew and cargo to low-Earth-orbit destinations. The evaluation is part of the ongoing work supporting Boeing's funded Space Act Agreement with NASA's Commercial Crew Program, or CCP, during the agency's Commercial Crew Integrated Capability, or CCiCap, initiative. CCiCap is intended to make commercial human spaceflight services available for government and commercial customers. To learn more about CCP, visit http://www.nasa.gov/commercialcrew. Photo credit: NASA/Robert Markowitz

  9. Prototype data terminal: Multiplexer/demultiplexer

    NASA Technical Reports Server (NTRS)

    Leck, D. E.; Goodwin, J. E.

    1972-01-01

    The design and operation of a quad redundant data terminal and a multiplexer/demultiplexer (MDU) design are described. The most unique feature is the design of the quad redundant data terminal. This is one of the few designs where the unit is fail/op, fail/op, fail/safe. Laboratory tests confirm that the unit will operate satisfactorily with the failure of three out of four channels. Although the design utilizes state-of-the-art technology. The waveform error checks, the voting techniques, and the parity bit checks are believed to be used in unique configurations. Correct word selection routines are also novel, if not unique. The MDU design, while not redundant, utilizes, the latest state-of-the-art advantages of light couplers and integrated circuit amplifiers.

  10. STS-92 crew takes part in a Leak Seal Kit Fit Check in the SSPF

    NASA Technical Reports Server (NTRS)

    1999-01-01

    STS-92 Mission Specialist Koichi Wakata, with the National Space Development Agency of Japan (NASDA), and Pilot Pamela A. Melroy take a break during a Leak Seal Kit Fit Check of the Pressurized Mating Adapter -3 in the Space Station Processing Facility. Also participating are the other crew members Commander Brian Duffy and Mission Specialists Leroy Chiao (Ph.D.), Peter J.K. 'Jeff' Wisoff (Ph.D.), Michael E. Lopez-Alegria and William Surles 'Bill' McArthur Jr. STS-92 is the fourth U.S. flight for construction of the International Space Station. The mission payload also includes an integrated truss structure (Z-1 truss). Launch of STS-92 is scheduled for Feb. 24, 2000.

  11. STS-92 crew takes part in a Leak Seal Kit Fit Check in the SSPF

    NASA Technical Reports Server (NTRS)

    1999-01-01

    In the Space Station Processing Facility, STS-92 crew members take part in a Leak Seal Kit Fit Check in connection with the Pressurized Mating Adapter -3 in the background. From left are Mission Specialist Peter J.K. 'Jeff' Wisoff (Ph.D.), Pilot Pamela A. Melroy, Commander Brian Duffy, Mission Specialist Koichi Wakata, who represents the National Space Development Agency of Japan (NASDA), Brian Warkentine, with JSC, and a Boeing worker at right. Also participating are other crew members Mission Specialists Leroy Chiao (Ph.D.), Michael E. Lopez-Alegria and William Surles 'Bill' McArthur Jr. The mission payload also includes an integrated truss structure (Z-1 truss). Launch of STS-92 is scheduled for Feb. 24, 2000.

  12. The Chandra Monitoring System

    NASA Astrophysics Data System (ADS)

    Wolk, S. J.; Petreshock, J. G.; Allen, P.; Bartholowmew, R. T.; Isobe, T.; Cresitello-Dittmar, M.; Dewey, D.

    The NASA Great Observatory Chandra was launched July 23, 1999 aboard the space shuttle Columbia. The Chandra Science Center (CXC) runs a monitoring and trends analysis program to maximize the science return from this mission. At the time of the launch, the monitoring portion of this system was in place. The system is a collection of multiple threads and programming methodologies acting cohesively. Real-time data are passed to the CXC. Our real-time tool, ACORN (A Comprehensive object-ORiented Necessity), performs limit checking of performance related hardware. Chandra is in ground contact less than 3 hours a day, so the bulk of the monitoring must take place on data dumped by the spacecraft. To do this, we have written several tools which run off of the CXC data system pipelines. MTA_MONITOR_STATIC, limit checks FITS files containing hardware data. MTA_EVENT_MON and MTA_GRAT_MON create quick look data for the focal place instruments and the transmission gratings. When instruments violate their operational limits, the responsible scientists are notified by email and problem tracking is initiated. Output from all these codes is distributed to CXC scientists via HTML interface.

  13. Tensile strength and impact resistance properties of materials used in prosthetic check sockets, copolymer sockets, and definitive laminated sockets.

    PubMed

    Gerschutz, Maria J; Haynes, Michael L; Nixon, Derek M; Colvin, James M

    2011-01-01

    Prosthetic sockets serve as the interface between people with amputations and their prostheses. Although most materials used to make prosthetic sockets have been used for many years, knowledge of these materials' properties is limited, especially after they are subjected to fabrication processes. This study evaluated tensile and impact properties of the current state-of-the-art materials used to fabricate prosthetic check sockets, copolymer sockets, and definitive laminated sockets. Thermolyn Rigid and Orfitrans Stiff check socket materials produced significantly lower tensile strength and impact resistance than polyethylene terephthalate glycol (PETG). Copolymer socket materials exhibited greater resistance to impact forces than the check socket materials but lower tensile strengths than PETG. The heated molding processes, for the check socket and copolymer materials, reduced both tensile strength and elongation at break. Definitive laminated sockets were sorted according to fabrication techniques. Nyglass material had significantly higher elongation, indicating a more ductile material than carbon-based laminations. Carbon sockets with pigmented resin had higher tensile strength and modulus at break than nonpigmented carbon sockets. Elongation at yield and elongation at break were similar for both types of carbon-based laminations. The material properties determined in this study provide a foundation for understanding and improving the quality of prosthetic sockets using current fabrication materials and a basis for evaluating future technologies.

  14. Algorithm design for automated transportation photo enforcement camera image and video quality diagnostic check modules

    NASA Astrophysics Data System (ADS)

    Raghavan, Ajay; Saha, Bhaskar

    2013-03-01

    Photo enforcement devices for traffic rules such as red lights, toll, stops, and speed limits are increasingly being deployed in cities and counties around the world to ensure smooth traffic flow and public safety. These are typically unattended fielded systems, and so it is important to periodically check them for potential image/video quality problems that might interfere with their intended functionality. There is interest in automating such checks to reduce the operational overhead and human error involved in manually checking large camera device fleets. Examples of problems affecting such camera devices include exposure issues, focus drifts, obstructions, misalignment, download errors, and motion blur. Furthermore, in some cases, in addition to the sub-algorithms for individual problems, one also has to carefully design the overall algorithm and logic to check for and accurately classifying these individual problems. Some of these issues can occur in tandem or have the potential to be confused for each other by automated algorithms. Examples include camera misalignment that can cause some scene elements to go out of focus for wide-area scenes or download errors that can be misinterpreted as an obstruction. Therefore, the sequence in which the sub-algorithms are utilized is also important. This paper presents an overview of these problems along with no-reference and reduced reference image and video quality solutions to detect and classify such faults.

  15. An in-situ Mobile pH Calibrator for application with HOV and ROV platform in deep sea environments

    NASA Astrophysics Data System (ADS)

    Tan, C.; Ding, K.; Seyfried, W. E., Jr.

    2014-12-01

    Recently, a novel in-situ sensor calibration instrument, Mobile pH Calibrator (MpHC), was developed for application with HOV Alvin. It was specifically designed to conduct in-situ pH measurement in deep sea hydrothermal diffuse fluids with in-situ calibration function. In general, the sensor calibrator involves three integrated electrodes (pH, dissolved H2 and H2S) and a temperature sensor, all of which are installed in a cell with a volume of ~ 1 ml. A PEEK check valve cartridge is installed at the inlet end of the cell to guide the flow path during the measurement and calibration processes. Two PEEK tubes are connected at outlet end of the cell for drawing out hydrothermal fluid and delivering pH buffer fluids. During its measurement operation, the pump draws in hydrothermal fluid, which then passes through the check valve directly into the sensing cell. When in calibration mode, the pump delivers pH buffers into the cell, while automatically closing the check valve to the outside environment. This probe has two advantages compared to our previous unit used during KNOX18RR MAR cruise in 2008 and MARS cabled observatory deployment in 2012. First, in the former design, a 5 cm solenoid valve was equipped with the probe. This enlarged size prevented its application in specific point or small area. In this version, the probe has only a dimension of 1.6 cm for an easy access to hydrothermal biological environments. Secondly, the maximum temperature condition of the earlier system was limited by the solenoid valve precluding operation in excess of 50 ºC. The new design avoids this problem, which improves its temperature tolerance. The upper limit of temperature condition is now up to 100oC, therefore enabling broader application in hydrothermal diffuse flow system on the seafloor. During SVC cruise (AT26-12) in the Gulf of Mexico this year, the MpHC was successfully tested with Alvin dives at the depth up to 2600 m for measuring pH with in-situ calibration in seafloor cold seep environment. The measurement and calibration were also conducted in hydrothermal diffuse flow at temperature condition exceeding 70 ºC with Alvin dives during a recent cruise AT26-17 in ASHES vent field and Main Endeavour Field on Juan de Fuca Ridge. Data from these seagoing deployments will be presented, with emphasis on both technical and scientific aplications.

  16. Spatial distribution of angular momentum inside the nucleon

    NASA Astrophysics Data System (ADS)

    Lorcé, Cédric; Mantovani, Luca; Pasquini, Barbara

    2018-01-01

    We discuss in detail the spatial distribution of angular momentum inside the nucleon. We show that the discrepancies between different definitions originate from terms that integrate to zero. Even though these terms can safely be dropped at the integrated level, they have to be taken into account when discussing distributions. Using the scalar diquark model, we illustrate our results and, for the first time, check explicitly that the equivalence between kinetic and canonical orbital angular momentum persists at the level of distributions, as expected in a system without gauge degrees of freedom.

  17. Path integral pricing of Wasabi option in the Black-Scholes model

    NASA Astrophysics Data System (ADS)

    Cassagnes, Aurelien; Chen, Yu; Ohashi, Hirotada

    2014-11-01

    In this paper, using path integral techniques, we derive a formula for a propagator arising in the study of occupation time derivatives. Using this result we derive a fair price for the case of the cumulative Parisian option. After confirming the validity of the derived result using Monte Carlo simulation, a new type of heavily path dependent derivative product is investigated. We derive an approximation for our so-called Wasabi option fair price and check the accuracy of our result with a Monte Carlo simulation.

  18. SU-G-TeP4-06: An Integrated Application for Radiation Therapy Treatment Plan Directives, Management, and Reporting

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Matuszak, M; Anderson, C; Lee, C

    Purpose: With electronic medical records, patient information for the treatment planning process has become disseminated across multiple applications with limited quality control and many associated failure modes. We present the development of a single application with a centralized database to manage the planning process. Methods: The system was designed to replace current functionalities of (i) static directives representing the physician intent for the prescription and planning goals, localization information for delivery, and other information, (ii) planning objective reports, (iii) localization and image guidance documents and (iv) the official radiation therapy prescription in the medical record. Using the Eclipse Scripting Applicationmore » Programming Interface, a plug-in script with an associated domain-specific SQL Server database was created to manage the information in (i)–(iv). The system’s user interface and database were designed by a team of physicians, clinical physicists, database experts, and software engineers to ensure usability and robustness for clinical use. Results: The resulting system has been fully integrated within the TPS via a custom script and database. Planning scenario templates, version control, approvals, and logic-based quality control allow this system to fully track and document the planning process as well as physician approval of tradeoffs while improving the consistency of the data. Multiple plans and prescriptions are supported along with non-traditional dose objectives and evaluation such as biologically corrected models, composite dose limits, and management of localization goals. User-specific custom views were developed for the attending physician review, physicist plan checks, treating therapists, and peer review in chart rounds. Conclusion: A method was developed to maintain cohesive information throughout the planning process within one integrated system by using a custom treatment planning management application that interfaces directly with the TPS. Future work includes quantifying the improvements in quality, safety and efficiency that are possible with the routine clinical use of this system. Supported in part by NIH-P01-CA-059827.« less

  19. The NASA Lewis integrated propulsion and flight control simulator

    NASA Technical Reports Server (NTRS)

    Bright, Michelle M.; Simon, Donald L.

    1991-01-01

    A new flight simulation facility was developed at NASA-Lewis. The purpose of this flight simulator is to allow integrated propulsion control and flight control algorithm development and evaluation in real time. As a preliminary check of the simulator facility capabilities and correct integration of its components, the control design and physics models for a short take-off and vertical landing fighter aircraft model were shown, with their associated system integration and architecture, pilot vehicle interfaces, and display symbology. The initial testing and evaluation results show that this fixed based flight simulator can provide real time feedback and display of both airframe and propulsion variables for validation of integrated flight and propulsion control systems. Additionally, through the use of this flight simulator, various control design methodologies and cockpit mechanizations can be tested and evaluated in a real time environment.

  20. A single-vendor and a single-buyer integrated inventory model with ordering cost reduction dependent on lead time

    NASA Astrophysics Data System (ADS)

    Vijayashree, M.; Uthayakumar, R.

    2017-09-01

    Lead time is one of the major limits that affect planning at every stage of the supply chain system. In this paper, we study a continuous review inventory model. This paper investigates the ordering cost reductions are dependent on lead time. This study addressed two-echelon supply chain problem consisting of a single vendor and a single buyer. The main contribution of this study is that the integrated total cost of the single vendor and the single buyer integrated system is analyzed by adopting two different (linear and logarithmic) types ordering cost reductions act dependent on lead time. In both cases, we develop effective solution procedures for finding the optimal solution and then illustrative numerical examples are given to illustrate the results. The solution procedure is to determine the optimal solutions of order quantity, ordering cost, lead time and the number of deliveries from the single vendor and the single buyer in one production run, so that the integrated total cost incurred has the minimum value. Ordering cost reduction is the main aspect of the proposed model. A numerical example is given to validate the model. Numerical example solved by using Matlab software. The mathematical model is solved analytically by minimizing the integrated total cost. Furthermore, the sensitivity analysis is included and the numerical examples are given to illustrate the results. The results obtained in this paper are illustrated with the help of numerical examples. The sensitivity of the proposed model has been checked with respect to the various major parameters of the system. Results reveal that the proposed integrated inventory model is more applicable for the supply chain manufacturing system. For each case, an algorithm procedure of finding the optimal solution is developed. Finally, the graphical representation is presented to illustrate the proposed model and also include the computer flowchart in each model.

  1. Recall intervals for oral health in primary care patients.

    PubMed

    Beirne, P; Forgie, A; Clarkson, Je; Worthington, H V

    2005-04-18

    The frequency with which patients should attend for a dental check-up and the potential effects on oral health of altering recall intervals between check-ups have been the subject of ongoing international debate for almost 3 decades. Although recommendations regarding optimal recall intervals vary between countries and dental healthcare systems, 6-monthly dental check-ups have traditionally been advocated by general dental practitioners in many developed countries. To determine the beneficial and harmful effects of different fixed recall intervals (for example 6 months versus 12 months) for the following different types of dental check-up: a) clinical examination only; b) clinical examination plus scale and polish; c) clinical examination plus preventive advice; d) clinical examination plus preventive advice plus scale and polish. To determine the relative beneficial and harmful effects between any of these different types of dental check-up at the same fixed recall interval. To compare the beneficial and harmful effects of recall intervals based on clinicians' assessment of patients' disease risk with fixed recall intervals. To compare the beneficial and harmful effects of no recall interval/patient driven attendance (which may be symptomatic) with fixed recall intervals. We searched the Cochrane Oral Health Group Trials Register, the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE and EMBASE. Reference lists from relevant articles were scanned and the authors of some papers were contacted to identify further trials and obtain additional information. Date of most recent searches: 9th April 2003. Trials were selected if they met the following criteria: design- random allocation of participants; participants - all children and adults receiving dental check-ups in primary care settings, irrespective of their level of risk for oral disease; interventions -recall intervals for the following different types of dental check-ups: a) clinical examination only; b) clinical examination plus scale and polish; c) clinical examination plus preventive advice; d) clinical examination plus scale and polish plus preventive advice; e) no recall interval/patient driven attendance (which may be symptomatic); f) clinician risk-based recall intervals; outcomes - clinical status outcomes for dental caries (including, but not limited to, mean dmft/DMFT, dmfs/DMFS scores, caries increment, filled teeth (including replacement restorations), early carious lesions arrested or reversed); periodontal disease (including, but not limited to, plaque, calculus, gingivitis, periodontitis, change in probing depth, attachment level); oral mucosa (presence or absence of mucosal lesions, potentially malignant lesions, cancerous lesions, size and stage of cancerous lesions at diagnosis). In addition the following outcomes were considered where reported: patient-centred outcomes, economic cost outcomes, other outcomes such as improvements in oral health knowledge and attitudes, harms, changes in dietary habits and any other oral health-related behavioural change. Information regarding methods, participants, interventions, outcome measures and results were independently extracted, in duplicate, by two authors. Authors were contacted, where deemed necessary and where possible, for further details regarding study design and for data clarification. A quality assessment of the included trial was carried out. The Cochrane Oral Health Group's statistical guidelines were followed. Only one study (with 188 participants) was included in this review and was assessed as having a high risk of bias. This study provided limited data for dental caries outcomes (dmfs/DMFS increment) and economic cost outcomes (reported time taken to provide examinations and treatment). There is insufficient evidence from randomised controlled trials (RCTs) to draw any conclusions regarding the potential beneficial and harmful effects of altering the recall interval between dental check-ups. There is insufficient evidence to support or refute the practice of encouraging patients to attend for dental check-ups at 6-monthly intervals. It is important that high quality RCTs are conducted for the outcomes listed in this review in order to address the objectives of this review.

  2. Assume-Guarantee Verification of Source Code with Design-Level Assumptions

    NASA Technical Reports Server (NTRS)

    Giannakopoulou, Dimitra; Pasareanu, Corina S.; Cobleigh, Jamieson M.

    2004-01-01

    Model checking is an automated technique that can be used to determine whether a system satisfies certain required properties. To address the 'state explosion' problem associated with this technique, we propose to integrate assume-guarantee verification at different phases of system development. During design, developers build abstract behavioral models of the system components and use them to establish key properties of the system. To increase the scalability of model checking at this level, we have developed techniques that automatically decompose the verification task by generating component assumptions for the properties to hold. The design-level artifacts are subsequently used to guide the implementation of the system, but also to enable more efficient reasoning at the source code-level. In particular we propose to use design-level assumptions to similarly decompose the verification of the actual system implementation. We demonstrate our approach on a significant NASA application, where design-level models were used to identify; and correct a safety property violation, and design-level assumptions allowed us to check successfully that the property was presented by the implementation.

  3. A reproductive health survey of rural women in Hebei.

    PubMed

    Wang, J

    1998-12-01

    This article presents the findings of a 1995 family planning survey conducted among 657 women aged 18-49 years in rural areas of Tangshan City, Zhoushou City, and Xingtai City in Hebei province, Northern China. 620 were married, 37 were single, and 6 were widowed. 85.8% of married rural women used a contraceptive method (female sterilization or IUD). There were 1219 pregnancies, 230 abortions, 31 miscarriages, and 3 stillbirths. 68.1% received prenatal check-ups at hospitals and health centers. 47.4% received prenatal care during the first trimester of pregnancy. 76.1% received check-ups at township health centers. Women were aware of the need for sound personal hygiene, sanitary napkins, and avoidance of heavy manual work during menstruation. 45.1% had less than 5 years of education; 51.8% had 6-10 years of education; and 3.1% had over 10 years of education. About 54% delivered at home. Home deliveries were due to lack of transportation, high expenses, and other reasons. Deliveries were attended by a doctor or midwife. Postpartum home visits were not assured. 32.4% had routine gynecological check-ups. 48.1% had never received gynecological services. 51.6% of married women had 2 children; 16.9% had more. The author recommended improved socioeconomic and cultural conditions, a women-centered reproductive health security system integrated with education, and legislative change. Reproductive health education should be integrated into family planning programs and include health awareness and more education. Men should participate in programs and share more responsibility for reproduction. Services should improve in quality.

  4. Thermal Model Development for Ares I-X

    NASA Technical Reports Server (NTRS)

    Amundsen, Ruth M.; DelCorso, Joe

    2008-01-01

    Thermal analysis for the Ares I-X vehicle has involved extensive thermal model integration, since thermal models of vehicle elements came from several different NASA and industry organizations. Many valuable lessons were learned in terms of model integration and validation. Modeling practices such as submodel, analysis group and symbol naming were standardized to facilitate the later model integration. Upfront coordination of coordinate systems, timelines, units, symbols and case scenarios was very helpful in minimizing integration rework. A process for model integration was developed that included pre-integration runs and basic checks of both models, and a step-by-step process to efficiently integrate one model into another. Extensive use of model logic was used to create scenarios and timelines for avionics and air flow activation. Efficient methods of model restart between case scenarios were developed. Standardization of software version and even compiler version between organizations was found to be essential. An automated method for applying aeroheating to the full integrated vehicle model, including submodels developed by other organizations, was developed.

  5. Adjoint BFKL at finite coupling: a short-cut from the collinear limit

    DOE PAGES

    Basso, Benjamin; Caron-Huot, Simon; Sever, Amit

    2015-01-08

    In the high energy Regge limit, the six gluons scattering amplitude is controlled by the adjoint BFKL eigenvalue and impact factor. In this paper we determine these two building blocks at any value of the ’t Hooft coupling in planar N=4 SYM theory. This is achieved by means of analytic continuations from the collinear limit, where similar all loops expressions were recently established. We check our predictions against all available data at weak and strong coupling.

  6. 40 CFR 63.9804 - What are my monitoring system installation, operation, and maintenance requirements?

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... your CPMS for leakage. (7) If your CPMS is not equipped with a redundant pressure sensor, perform at... sensor. (6) At least monthly, check all mechanical connections on your CPMS for leakage. (7) If your CPMS... integrity, oxidation, and galvanic corrosion. (f) For each bag leak detection system, you must meet the...

  7. Using Surface Integrals for Checking Archimedes' Law of Buoyancy

    ERIC Educational Resources Information Center

    Lima, F. M. S.

    2012-01-01

    A mathematical derivation of the force exerted by an "inhomogeneous" (i.e. compressible) fluid on the surface of an "arbitrarily shaped" body immersed in it is not found in the literature, which may be attributed to our trust in Archimedes' law of buoyancy. However, this law, also known as Archimedes' principle (AP), does not yield the force…

  8. Assessment of 3D Models Used in Contours Studies

    ERIC Educational Resources Information Center

    Alvarez, F. J. Ayala; Parra, E. B. Blazquez; Tubio, F. Montes

    2015-01-01

    This paper presents an experimental research focusing on the view of first year students. The aim is to check the quality of implementing 3D models integrated in the curriculum. We search to determine students' preference between the various means facilitated in order to understand the given subject. Students have been respondents to prove the…

  9. Pilot Test of IPEDS Finance Survey. Working Paper Series.

    ERIC Educational Resources Information Center

    Hunt, Ray C., Jr.; Budak, Susan E.

    The Private Institution Pretest Finance Survey (Pretest Survey) of the Integrated Postsecondary Education Data System (IPEDS) was sent to a sample of 1,000 private colleges and universities for the fiscal year 1996. As of May 1997, the Bureau of the Census, administering the survey, had received and completed edit checks for about 50% of the…

  10. Crewmember working on the spacelab Zeolite Crystal Growth experiment.

    NASA Technical Reports Server (NTRS)

    1992-01-01

    View showing Payload Specialists Bonnie Dunbar and Larry DeLucas in the aft section of the U. S. Microgravity Laboratory-1. Dunbar is preparing to load a sample in the Crystal Growth Furnace (CGF) Integrated Furnace Experiment Assembly (IFEA) in rack 9 of the Microgravity Laboratory. DeLucas is checking out the multi-purpose Glovebox Facility.

  11. A Multiple Sensor Machine Vision System for Automatic Hardwood Feature Detection

    Treesearch

    D. Earl Kline; Richard W. Conners; Daniel L. Schmoldt; Philip A. Araman; Robert L. Brisbin

    1993-01-01

    A multiple sensor machine vision prototype is being developed to scan full size hardwood lumber at industrial speeds for automatically detecting features such as knots holes, wane, stain, splits, checks, and color. The prototype integrates a multiple sensor imaging system, a materials handling system, a computer system, and application software. The prototype provides...

  12. Systems Check: Community Colleges Turn to Facilities Assessments to Plan Capital Projects and Avoid Expensive Emergency Repairs

    ERIC Educational Resources Information Center

    Joch, Alan

    2014-01-01

    With an emphasis on planning and cutting costs to make better use of resources, facilities managers at community colleges across the nation have undertaken facilities audits usually with the help of outside engineers. Such assessments analyze the history and structural integrity of buildings and core components on campus, including heating…

  13. The Lorax Readers' Theater: Introducing Sustainability with an Integrated Science and Literacy Activity

    ERIC Educational Resources Information Center

    Plankis, Brian; Ramsey, John; Ociepka, Anne; Martin, Pamela

    2016-01-01

    In practice, sustainable development is the use of natural resources in a manner that allows ecosystems to continue to function as natural ecosystems and biotic and abiotic interactions to maintain checks and balances are homeostatic. Historically, human activity has led to modification of nature that leads to (1) economic development, (2) biotic…

  14. Integrated Formal Analysis of Timed-Triggered Ethernet

    NASA Technical Reports Server (NTRS)

    Dutertre, Bruno; Shankar, Nstarajan; Owre, Sam

    2012-01-01

    We present new results related to the verification of the Timed-Triggered Ethernet (TTE) clock synchronization protocol. This work extends previous verification of TTE based on model checking. We identify a suboptimal design choice in a compression function used in clock synchronization, and propose an improvement. We compare the original design and the improved definition using the SAL model checker.

  15. Quality Management Tools: Facilitating Clinical Research Data Integrity by Utilizing Specialized Reports with Electronic Case Report Forms

    PubMed Central

    Trocky, NM; Fontinha, M

    2005-01-01

    Data collected throughout the course of a clinical research trial must be reviewed for accuracy and completeness continually. The Oracle Clinical® (OC) data management application utilized to capture clinical data facilitates data integrity through pre-programmed validations, edit and range checks, and discrepancy management modules. These functions were not enough. Coupled with the use of specially created reports in Oracle Discoverer® and Integrated Review TM, both ad-hoc query and reporting tools, research staff have enhanced their ability to clean, analyze and report more accurate data captured within and among Case Report Forms (eCRFs) by individual study or across multiple studies. PMID:16779428

  16. Notes on integral identities for 3d supersymmetric dualities

    NASA Astrophysics Data System (ADS)

    Aghaei, Nezhla; Amariti, Antonio; Sekiguchi, Yuta

    2018-04-01

    Four dimensional N=2 Argyres-Douglas theories have been recently conjectured to be described by N=1 Lagrangian theories. Such models, once reduced to 3d, should be mirror dual to Lagrangian N=4 theories. This has been numerically checked through the matching of the partition functions on the three sphere. In this article, we provide an analytic derivation for this result in the A 2 n-1 case via hyperbolic hypergeometric integrals. We study the D 4 case as well, commenting on some open questions and possible resolutions. In the second part of the paper we discuss other integral identities leading to the matching of the partition functions in 3d dual pairs involving higher monopole superpotentials.

  17. Experiment for Integrating Dutch 3d Spatial Planning and Bim for Checking Building Permits

    NASA Astrophysics Data System (ADS)

    van Berlo, L.; Dijkmans, T.; Stoter, J.

    2013-09-01

    This paper presents a research project in The Netherlands in which several SMEs collaborated to create a 3D model of the National spatial planning information. This 2D information system described in the IMRO data standard holds implicit 3D information that can be used to generate an explicit 3D model. The project realized a proof of concept to generate a 3D spatial planning model. The team used the model to integrate it with several 3D Building Information Models (BIMs) described in the open data standard Industry Foundation Classes (IFC). Goal of the project was (1) to generate a 3D BIM model from spatial planning information to be used by the architect during the early design phase, and (2) allow 3D checking of building permits. The team used several technologies like CityGML, BIM clash detection and GeoBIM to explore the potential of this innovation. Within the project a showcase was created with a part of the spatial plan from the city of The Hague. Several BIM models were integrated in the 3D spatial plan of this area. A workflow has been described that demonstrates the benefits of collaboration between the spatial domain and the AEC industry in 3D. The research results in a showcase with conclusions and considerations for both national and international practice.

  18. Test plan. GCPS task 7, subtask 7.1: IHM development

    NASA Technical Reports Server (NTRS)

    Greenberg, H. S.

    1994-01-01

    The overall objective of Task 7 is to identify cost-effective life cycle integrated health management (IHM) approaches for a reusable launch vehicle's primary structure. Acceptable IHM approaches must: eliminate and accommodate faults through robust designs, identify optimum inspection/maintenance periods, automate ground and on-board test and check-out, and accommodate and detect structural faults by providing wide and localized area sensor and test coverage as required. These requirements are elements of our targeted primary structure low cost operations approach using airline-like maintenance by exception philosophies. This development plan will follow an evolutionary path paving the way to the ultimate development of flight-quality production, operations, and vehicle systems. This effort will be focused on maturing the recommended sensor technologies required for localized and wide area health monitoring to a technology readiness level (TRL) of 6 and to establish flight ready system design requirements. The following is a brief list of IHM program objectives: design out faults by analyzing material properties, structural geometry, and load and environment variables and identify failure modes and damage tolerance requirements; design in system robustness while meeting performance objectives (weight limitations) of the reusable launch vehicle primary structure; establish structural integrity margins to preclude the need for test and checkout and predict optimum inspection/maintenance periods through life prediction analysis; identify optimum fault protection system concept definitions combining system robustness and integrity margins established above with cost effective health monitoring technologies; and use coupons, panels, and integrated full scale primary structure test articles to identify, evaluate, and characterize the preferred NDE/NDI/IHM sensor technologies that will be a part of the fault protection system.

  19. An integrated development workflow for community-driven FOSS-projects using continuous integration tools

    NASA Astrophysics Data System (ADS)

    Bilke, Lars; Watanabe, Norihiro; Naumov, Dmitri; Kolditz, Olaf

    2016-04-01

    A complex software project in general with high standards regarding code quality requires automated tools to help developers in doing repetitive and tedious tasks such as compilation on different platforms and configurations, doing unit testing as well as end-to-end tests and generating distributable binaries and documentation. This is known as continuous integration (CI). A community-driven FOSS-project within the Earth Sciences benefits even more from CI as time and resources regarding software development are often limited. Therefore testing developed code on more than the developers PC is a task which is often neglected and where CI can be the solution. We developed an integrated workflow based on GitHub, Travis and Jenkins for the community project OpenGeoSys - a coupled multiphysics modeling and simulation package - allowing developers to concentrate on implementing new features in a tight feedback loop. Every interested developer/user can create a pull request containing source code modifications on the online collaboration platform GitHub. The modifications are checked (compilation, compiler warnings, memory leaks, undefined behaviors, unit tests, end-to-end tests, analyzing differences in simulation run results between changes etc.) from the CI system which automatically responds to the pull request or by email on success or failure with detailed reports eventually requesting to improve the modifications. Core team developers review the modifications and merge them into the main development line once they satisfy agreed standards. We aim for efficient data structures and algorithms, self-explaining code, comprehensive documentation and high test code coverage. This workflow keeps entry barriers to get involved into the project low and permits an agile development process concentrating on feature additions rather than software maintenance procedures.

  20. Research on high-speed railway's vibration analysis checking based on intelligent mobile terminal

    NASA Astrophysics Data System (ADS)

    Li, Peigang; Xie, Shulin; Zhao, Xuefeng

    2017-04-01

    Recently, the development of high-speed railway meets the requirement of society booming and it has gradually become the first choice for long-length journey. Since ensuring the safety and stable operation are of great importance to high-speed trains owing to its unique features, vibration analysis checking is one of main means to be adopted. Due to the popularization of Smartphone, in this research, a novel public-participating method to achieve high-speed railway's vibration analysis checking based on smartphone and an inspection application of high-speed railway line built in the intelligent mobile terminal were proposed. Utilizing the accelerometer, gyroscope, GPS and other high-performance sensors which were integrated in smartphone, the application can obtain multiple parameters like acceleration, angle, etc and pinpoint the location. Therefore, through analyzing the acceleration data in time domain and frequency domain using fast Fourier transform, the research compared much of data from monitoring tests under different measure conditions and measuring points. Furthermore, an idea of establishing a system about analysis checking was outlined in paper. It has been validated that the smartphone-based high-speed railway line inspection system is reliable and feasible on the high-speed railway lines. And it has more advantages, such as convenience, low cost and being widely used. Obviously, the research has important practical significance and broad application prospects.

  1. The detection and prevention of unintentional consumption of DOx and 25x-NBOMe at Portugal's Boom Festival.

    PubMed

    Martins, Daniel; Barratt, Monica J; Pires, Cristiana Vale; Carvalho, Helena; Vilamala, Mireia Ventura; Espinosa, Iván Fornís; Valente, Helena

    2017-05-01

    This paper describes the misrepresentation of LSD at Portugal's Boom Festival 2014 and the prevention of unintentional consumption of DOx and 25x-NBOMe among LSD consumers attending a drug-checking service. Two hundred forty-five drug samples expected to contain LSD were submitted to the drug-checking service for chemical analysis. One hundred ten post-test questionnaires were successfully matched with test results. About 67.3% of the alleged LSD samples tested contained only LSD; 0.8% contained LSD combined with adulterants; 24.1% did not contain LSD but did contain another psychoactive substance, including 11.4% that were 2,5-dimethoxyamphetamine derivatives and 9.8% that were N-benzyl-2,5-dimethoxyphenethylamine derivatives; and no psychoactive substance was detected in 7.8%. The majority of service users who received unexpected test results regarding their alleged LSD (74.2%) reported that they did not intend to consume the drug. Following dissemination of alerts on day 2, a larger than expected proportion of all tests conducted were for LSD, when comparing the 2014 festival to 2012, where no such alert was disseminated. Although these results support the provision of integrated drug-checking services in party settings, evidence of their utility and effectiveness would be improved through future research incorporating more robust measures of outcomes following provision of drug-checking results. Copyright © 2017 John Wiley & Sons, Ltd.

  2. Geomorphological and ecological effects of check dams in mountain torrents of Southern Italy

    NASA Astrophysics Data System (ADS)

    Zema, Demetrio Antonio; Bombino, Giuseppe; Denisi, Pietro; Tamburino, Vincenzo; Marcello Zimbone, Santo

    2017-04-01

    It is known that installation of check dams noticeably influences torrent morphology and ecology. However, the effects of check dams on channel section and riparian vegetation of torrents are not yet completely understood. This paper provides a further contribution to a better comprehension of the actions played by check dams on hydrological and geomorphological processes in headwaters and their effects on riparian ecosystem. Field surveys on channel morphology, bed material and riparian vegetation were carried out close to five check dams in each of four mountain reaches of Calabria (Southern Italy). For each check dam three transects (one upstream, one downstream and one far from the check dam, located in the undisturbed zone and adopted as control) were identified; at each transect, a set of geomorphological and ecological indicators were surveyed as follows. Channel section morphology was assessed by the width/depth ratio (w/d); the median particle size (D50) and the finer sediment fraction (%fines) were chosen to characterize channel bed material; the specific discharge (q, the discharge per channel unit width) was assumed as measure of the flow regime. Vegetation cover and structure were evaluated by Global Canopy Cover (GCC) and Weighted Canopy Height (WCH) respectively (Bombino et al., 2008); the index of alpha-diversity (H-alpha, Hill, 1973) and the ratio between the number of alien species and the number of native species (NSA/NSN) were chosen as indicators of species richness/abundance and degree of vegetation integrity, respectively. Compared to the control transects, the values of w/d were higher upstream of check dams and lower downstream; conversely, q was lower upstream and higher in downstream sites. Upstream of the check dams D50 of bed material was lower and %fines was higher compared to the control transects; vice versa, the downstream transects showed higher D50 and lower %fines. The differences in the riparian vegetation among transects were found as the torrent ecological response to the strong contrasts surveyed in hydrological (q) and geomorphological (w/d, D50 and %fines) characteristics. Compared to control transects, vegetation was more extensive (higher GCC) and developed (higher WCH) in the upstream zones; the reverse pattern was noticed in the downstream transects (lower GCC and WCH). The indexes H-alpha and NSA/NSN were higher upstream of check dams: the presence of the check dams induced higher species richness and evenness, with alien species prevailing over native ones in the sedimentation wedge. Conversely, downstream of check dams H-alpha and NSA/NSN were lower: here, riparian vegetation lost some herbaceous species and assumed a terrestrial character. Overall, this study confirms on a quantitative approach that check dams have far reaching effects on geomorphology and ecology of mountain torrent channels; as a consequence, important and complex changes occur not only in the extent and development of riparian vegetation, but also in the species diversity and distribution. REFERENCES - Bombino G., Gurnell A.M., Tamburino V., Zema D.A., Zimbone S.M. 2008. Sediment size variation in torrents with check-dams: effects on riparian vegetation. Ecological Engineering 32(2), 166-177. - Hill MO. 1973. Diversity and evenness: a unifying notation and its consequences. Ecology 54: 427-431.

  3. OntoCheck: verifying ontology naming conventions and metadata completeness in Protégé 4

    PubMed Central

    2012-01-01

    Background Although policy providers have outlined minimal metadata guidelines and naming conventions, ontologies of today still display inter- and intra-ontology heterogeneities in class labelling schemes and metadata completeness. This fact is at least partially due to missing or inappropriate tools. Software support can ease this situation and contribute to overall ontology consistency and quality by helping to enforce such conventions. Objective We provide a plugin for the Protégé Ontology editor to allow for easy checks on compliance towards ontology naming conventions and metadata completeness, as well as curation in case of found violations. Implementation In a requirement analysis, derived from a prior standardization approach carried out within the OBO Foundry, we investigate the needed capabilities for software tools to check, curate and maintain class naming conventions. A Protégé tab plugin was implemented accordingly using the Protégé 4.1 libraries. The plugin was tested on six different ontologies. Based on these test results, the plugin could be refined, also by the integration of new functionalities. Results The new Protégé plugin, OntoCheck, allows for ontology tests to be carried out on OWL ontologies. In particular the OntoCheck plugin helps to clean up an ontology with regard to lexical heterogeneity, i.e. enforcing naming conventions and metadata completeness, meeting most of the requirements outlined for such a tool. Found test violations can be corrected to foster consistency in entity naming and meta-annotation within an artefact. Once specified, check constraints like name patterns can be stored and exchanged for later re-use. Here we describe a first version of the software, illustrate its capabilities and use within running ontology development efforts and briefly outline improvements resulting from its application. Further, we discuss OntoChecks capabilities in the context of related tools and highlight potential future expansions. Conclusions The OntoCheck plugin facilitates labelling error detection and curation, contributing to lexical quality assurance in OWL ontologies. Ultimately, we hope this Protégé extension will ease ontology alignments as well as lexical post-processing of annotated data and hence can increase overall secondary data usage by humans and computers. PMID:23046606

  4. 40 CFR 63.9035 - How do I monitor and collect data to demonstrate continuous compliance?

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... caustic scrubber or a water scrubber/absorber to meet the emission limits in Table 1 to this subpart, you... (including, as applicable, calibration checks and required zero and span adjustments), you must monitor...

  5. 40 CFR 63.9035 - How do I monitor and collect data to demonstrate continuous compliance?

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... caustic scrubber or a water scrubber/absorber to meet the emission limits in Table 1 to this subpart, you... (including, as applicable, calibration checks and required zero and span adjustments), you must monitor...

  6. 40 CFR 63.9035 - How do I monitor and collect data to demonstrate continuous compliance?

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... caustic scrubber or a water scrubber/absorber to meet the emission limits in Table 1 to this subpart, you... (including, as applicable, calibration checks and required zero and span adjustments), you must monitor...

  7. 78 FR 24232 - Record of Decision for the Denali Park Road Final Vehicle Management Plan and Environmental...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-04-24

    ... the decision making process. ADDRESSES: Copies of the ROD will be available in an electronic format... at the Savage River Check Station. The 160-vehicle limit is derived from traffic model simulation...

  8. A needs assessment and technology evaluation for roadside identification of commercial vehicles.

    DOT National Transportation Integrated Search

    1999-06-01

    With the limited resources and increasingly heavy truck volumes, roadside enforcement officers must continually make decision which trucks to check and which to allow to proceed. This process of selecting some trucks for closer scrutiny, while allowi...

  9. Comparing Macroscale and Microscale Simulations of Porous Battery Electrodes

    DOE PAGES

    Higa, Kenneth; Wu, Shao-Ling; Parkinson, Dilworth Y.; ...

    2017-06-22

    This article describes a vertically-integrated exploration of NMC electrode rate limitations, combining experiments with corresponding macroscale (macro-homogeneous) and microscale models. Parameters common to both models were obtained from experiments or based on published results. Positive electrode tortuosity was the sole fitting parameter used in the macroscale model, while the microscale model used no fitting parameters, instead relying on microstructural domains generated from X-ray microtomography of pristine electrode material held under compression while immersed in electrolyte solution (additionally providing novel observations of electrode wetting). Macroscale simulations showed that the capacity decrease observed at higher rates resulted primarily from solution-phase diffusion resistance.more » This ability to provide such qualitative insights at low computational costs is a strength of macroscale models, made possible by neglecting electrode spatial details. To explore the consequences of such simplification, the corresponding, computationally-expensive microscale model was constructed. This was found to have limitations preventing quantitatively accurate predictions, for reasons that are discussed in the hope of guiding future work. Nevertheless, the microscale simulation results complement those of the macroscale model by providing a reality-check based on microstructural information; in particular, this novel comparison of the two approaches suggests a reexamination of salt diffusivity measurements.« less

  10. A Systematic Review of Posttraumatic Growth in Survivors of Interpersonal Violence in Adulthood.

    PubMed

    Elderton, Anna; Berry, Alexis; Chan, Carmen

    2015-10-11

    This review critically evaluates the literature on posttraumatic growth in survivors of interpersonal violence, integrating the findings from 12 quantitative and 4 qualitative studies. The following databases were searched using predetermined terms: AMED, EMBASE, MEDLINE, PsycINFO, BNI, CINAHL, and Web of Knowledge. The review's findings suggest that the mean prevalence of growth in interpersonal violence survivors is around 71% (range 58-99%). The highest level of growth was consistently experienced in the "appreciation of life" domain. However, survivors reported growth in the four remaining domains: "personal strength," "new possibilities," "experience of relationships with others," and "outlook on life." The nature of the relationship between growth and distress was inconsistent across studies. A combination of pretrauma, peritrauma, and posttrauma variables were found to be related to the degree of growth survivors experienced. Methodological weaknesses of the quantitative studies included the predominant use of retrospective, cross-sectional, correlational designs, discrepancy in the measurement of growth, insufficient sample sizes for power calculations in five studies and limited external validity. Qualitative findings were limited by sampling methods, insufficient information about interview schedules, the lack of credibility checks, and evidence of reflexivity demonstrated by some studies. Implications for practice, policy, and future research are discussed. © The Author(s) 2015.

  11. Daily quality assurance software for a satellite radiometer system

    NASA Technical Reports Server (NTRS)

    Keegstra, P. B.; Smoot, G. F.; Bennett, C. L.; Aymon, J.; Backus, C.; Deamici, G.; Hinshaw, G.; Jackson, P. D.; Kogut, A.; Lineweaver, C.

    1992-01-01

    Six Differential Microwave Radiometers (DMR) on COBE (Cosmic Background Explorer) measure the large-angular-scale isotropy of the cosmic microwave background (CMB) at 31.5, 53, and 90 GHz. Quality assurance software analyzes the daily telemetry from the spacecraft to ensure that the instrument is operating correctly and that the data are not corrupted. Quality assurance for DMR poses challenging requirements. The data are differential, so a single bad point can affect a large region of the sky, yet the CMB isotropy requires lengthy integration times (greater than 1 year) to limit potential CMB anisotropies. Celestial sources (with the exception of the moon) are not, in general, visible in the raw differential data. A 'quicklook' software system was developed that, in addition to basic plotting and limit-checking, implements a collection of data tests as well as long-term trending. Some of the key capabilities include the following: (1) stability analysis showing how well the data RMS averages down with increased data; (2) a Fourier analysis and autocorrelation routine to plot the power spectrum and confirm the presence of the 3 mK 'cosmic' dipole signal; (3) binning of the data against basic spacecraft quantities such as orbit angle; (4) long-term trending; and (5) dipole fits to confirm the spacecraft attitude azimuth angle.

  12. Evaluation of the implementation of an integrated program for musculoskeletal system care.

    PubMed

    Larrañaga, Igor; Soto-Gordoa, Myriam; Arrospide, Arantzazu; Jauregi, María Luz; Millas, Jesús; San Vicente, Ricardo; Aguirrebeña, Jabier; Mar, Javier

    The chronic nature of musculoskeletal diseases requires an integrated care which involves the Primary Care and the specialities of Rheumatology, Traumatology and Rehabilitation. The aim of this study was to assess the implementation of an integrated organizational model in osteoporosis, low back pain, shoulder disease and knee disease using Deming's continuous improvement process and considering referrals and resource consumption. A simulation model was used in the planning to predict the evolution of musculoskeletal diseases resource consumption and to carry out a Budget Impact Analysis from 2012 to 2020 in the Goierri-Alto Urola region. In the checking stage the status of the process in 2014 was evaluated using statistical analysis to check the degree of achievement of the objectives for each speciality. Simulation models showed that population with musculoskeletal disease in Goierri-Alto Urola will increase a 4.4% by 2020. Because of that, the expenses for a conventional healthcare system will have increased a 5.9%. However, if the intervention reaches its objectives the budget would decrease an 8.5%. The statistical analysis evidenced a decline in referrals to Traumatology service and a reduction of successive consultations in all specialities. The implementation of the integrated organizational model in osteoporosis, low back pain, shoulder disease and knee disease is still at an early stage. However, the empowerment of Primary Care improved patient referrals and reduced the costs. Copyright © 2016 Elsevier España, S.L.U. and Sociedad Española de Reumatología y Colegio Mexicano de Reumatología. All rights reserved.

  13. Statistical mechanics of broadcast channels using low-density parity-check codes.

    PubMed

    Nakamura, Kazutaka; Kabashima, Yoshiyuki; Morelos-Zaragoza, Robert; Saad, David

    2003-03-01

    We investigate the use of Gallager's low-density parity-check (LDPC) codes in a degraded broadcast channel, one of the fundamental models in network information theory. Combining linear codes is a standard technique in practical network communication schemes and is known to provide better performance than simple time sharing methods when algebraic codes are used. The statistical physics based analysis shows that the practical performance of the suggested method, achieved by employing the belief propagation algorithm, is superior to that of LDPC based time sharing codes while the best performance, when received transmissions are optimally decoded, is bounded by the time sharing limit.

  14. Taming the Viper: Software Upgrade for VFAUser and Viper

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    DORIN,RANDALL T.; MOSER III,JOHN C.

    2000-08-08

    This report describes the procedure and properties of the software upgrade for the Vibration Performance Recorder. The upgrade will check the 20 memory cards for proper read/write operation. The upgrade was successfully installed and uploaded into the Viper and the field laptop. The memory checking routine must run overnight to complete the test, although the laptop need only be connected to the Viper unit until the downloading routine is finished. The routine has limited ability to recognize incomplete or corrupt header and footer files. The routine requires 400 Megabytes of free hard disk space. There is one minor technical flawmore » detailed in the conclusion.« less

  15. A Novel Method to Verify Multilevel Computational Models of Biological Systems Using Multiscale Spatio-Temporal Meta Model Checking

    PubMed Central

    Gilbert, David

    2016-01-01

    Insights gained from multilevel computational models of biological systems can be translated into real-life applications only if the model correctness has been verified first. One of the most frequently employed in silico techniques for computational model verification is model checking. Traditional model checking approaches only consider the evolution of numeric values, such as concentrations, over time and are appropriate for computational models of small scale systems (e.g. intracellular networks). However for gaining a systems level understanding of how biological organisms function it is essential to consider more complex large scale biological systems (e.g. organs). Verifying computational models of such systems requires capturing both how numeric values and properties of (emergent) spatial structures (e.g. area of multicellular population) change over time and across multiple levels of organization, which are not considered by existing model checking approaches. To address this limitation we have developed a novel approximate probabilistic multiscale spatio-temporal meta model checking methodology for verifying multilevel computational models relative to specifications describing the desired/expected system behaviour. The methodology is generic and supports computational models encoded using various high-level modelling formalisms because it is defined relative to time series data and not the models used to generate it. In addition, the methodology can be automatically adapted to case study specific types of spatial structures and properties using the spatio-temporal meta model checking concept. To automate the computational model verification process we have implemented the model checking approach in the software tool Mule (http://mule.modelchecking.org). Its applicability is illustrated against four systems biology computational models previously published in the literature encoding the rat cardiovascular system dynamics, the uterine contractions of labour, the Xenopus laevis cell cycle and the acute inflammation of the gut and lung. Our methodology and software will enable computational biologists to efficiently develop reliable multilevel computational models of biological systems. PMID:27187178

  16. Patient experience of NHS health checks: a systematic review and qualitative synthesis

    PubMed Central

    Usher-Smith, Juliet A; Harte, Emma; MacLure, Calum; Martin, Adam; Saunders, Catherine L; Meads, Catherine; Walter, Fiona M; Griffin, Simon J; Mant, Jonathan

    2017-01-01

    Objective To review the experiences of patients attending NHS Health Checks in England. Design A systematic review of quantitative and qualitative studies with a thematic synthesis of qualitative studies. Data sources An electronic literature search of Medline, Embase, Health Management Information Consortium, Cumulative Index of Nursing and Allied Health Literature, Global Health, PsycInfo, Web of Science, OpenGrey, the Cochrane Library, National Health Service (NHS) Evidence, Google Scholar, Google, Clinical Trials.gov and the ISRCTN registry to 09/11/16 with no language restriction and manual screening of reference lists of all included papers. Inclusion criteria Primary research reporting experiences of patients who have attended NHS Health Checks. Results 20 studies met the inclusion criteria, 9 reporting quantitative data and 15 qualitative data. There were consistently high levels of reported satisfaction in surveys, with over 80% feeling that they had benefited from an NHS Health Check. Data from qualitative studies showed that the NHS Health Check had been perceived to act as a wake-up call for many who reported having gone on to make substantial lifestyle changes which they attributed to the NHS Health Check. However, some had been left with a feeling of unmet expectations, were confused about or unable to remember their risk scores, found the lifestyle advice too simplistic and non-personalised or were confused about follow-up. Conclusions While participants were generally very supportive of the NHS Health Check programme and examples of behaviour change were reported, there are a number of areas where improvements could be made. These include greater clarity around the aims of the programme within the promotional material, more proactive support for lifestyle change and greater appreciation of the challenges of communicating risk and the limitations of relying on the risk score alone as a trigger for facilitating behaviour change. PMID:28801437

  17. Patient experience of NHS health checks: a systematic review and qualitative synthesis.

    PubMed

    Usher-Smith, Juliet A; Harte, Emma; MacLure, Calum; Martin, Adam; Saunders, Catherine L; Meads, Catherine; Walter, Fiona M; Griffin, Simon J; Mant, Jonathan

    2017-08-11

    To review the experiences of patients attending NHS Health Checks in England. A systematic review of quantitative and qualitative studies with a thematic synthesis of qualitative studies. An electronic literature search of Medline, Embase, Health Management Information Consortium, Cumulative Index of Nursing and Allied Health Literature, Global Health, PsycInfo, Web of Science, OpenGrey, the Cochrane Library, National Health Service (NHS) Evidence, Google Scholar, Google, Clinical Trials.gov and the ISRCTN registry to 09/11/16 with no language restriction and manual screening of reference lists of all included papers. Primary research reporting experiences of patients who have attended NHS Health Checks. 20 studies met the inclusion criteria, 9 reporting quantitative data and 15 qualitative data. There were consistently high levels of reported satisfaction in surveys, with over 80% feeling that they had benefited from an NHS Health Check. Data from qualitative studies showed that the NHS Health Check had been perceived to act as a wake-up call for many who reported having gone on to make substantial lifestyle changes which they attributed to the NHS Health Check. However, some had been left with a feeling of unmet expectations, were confused about or unable to remember their risk scores, found the lifestyle advice too simplistic and non-personalised or were confused about follow-up. While participants were generally very supportive of the NHS Health Check programme and examples of behaviour change were reported, there are a number of areas where improvements could be made. These include greater clarity around the aims of the programme within the promotional material, more proactive support for lifestyle change and greater appreciation of the challenges of communicating risk and the limitations of relying on the risk score alone as a trigger for facilitating behaviour change. © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

  18. A Novel Method to Verify Multilevel Computational Models of Biological Systems Using Multiscale Spatio-Temporal Meta Model Checking.

    PubMed

    Pârvu, Ovidiu; Gilbert, David

    2016-01-01

    Insights gained from multilevel computational models of biological systems can be translated into real-life applications only if the model correctness has been verified first. One of the most frequently employed in silico techniques for computational model verification is model checking. Traditional model checking approaches only consider the evolution of numeric values, such as concentrations, over time and are appropriate for computational models of small scale systems (e.g. intracellular networks). However for gaining a systems level understanding of how biological organisms function it is essential to consider more complex large scale biological systems (e.g. organs). Verifying computational models of such systems requires capturing both how numeric values and properties of (emergent) spatial structures (e.g. area of multicellular population) change over time and across multiple levels of organization, which are not considered by existing model checking approaches. To address this limitation we have developed a novel approximate probabilistic multiscale spatio-temporal meta model checking methodology for verifying multilevel computational models relative to specifications describing the desired/expected system behaviour. The methodology is generic and supports computational models encoded using various high-level modelling formalisms because it is defined relative to time series data and not the models used to generate it. In addition, the methodology can be automatically adapted to case study specific types of spatial structures and properties using the spatio-temporal meta model checking concept. To automate the computational model verification process we have implemented the model checking approach in the software tool Mule (http://mule.modelchecking.org). Its applicability is illustrated against four systems biology computational models previously published in the literature encoding the rat cardiovascular system dynamics, the uterine contractions of labour, the Xenopus laevis cell cycle and the acute inflammation of the gut and lung. Our methodology and software will enable computational biologists to efficiently develop reliable multilevel computational models of biological systems.

  19. Who uses NHS health checks? Investigating the impact of ethnicity and gender and method of invitation on uptake of NHS health checks.

    PubMed

    Cook, Erica J; Sharp, Chloe; Randhawa, Gurch; Guppy, Andy; Gangotra, Raj; Cox, Jonathon

    2016-01-20

    NHS Health Checks is a national risk assessment prevention programme for all individuals aged 40-74 that reside in England. Through the systematic assessment of an individual's ten year disease risk, this programme aims to provide early identification and subsequent management of this risk. However, there is limited evidence on how socio-demographic factors impact on uptake and what influence the invitation method has on uptake to this programme. NHS Health Check data from April 2013 to March 2014 was analysed (N = 50,485) for all 30 GP Practices in Luton, a culturally diverse town in England, UK. Data was collected for age, ethnicity, uptake (attendance and non attendance) and invitation method (letter written, verbal face-to-face, telephone). Actual usage of NHS Health Checks was determined for each ethnic group of the population and compared using Chi-square analysis. The overall uptake rate for Luton was 44 %, markedly lower that the set target of 50-75 %. The findings revealed a variation of uptake in relation to age, gender, level of deprivation. Ethnicity and gender variations were also found, with 'White British' 'Black Caribbean' and 'Indian' patients most likely to take up a NHS Health Check. However, patients from 'Any Other White Background' and 'Black African' were significantly less likely to uptake an NHS Health Check compared to all other ethnic groups. Ethnicity and gender differences were also noted in relation to invitation method. The findings revealed that different invitation methods were effective for different ethnic and gender groups. Therefore, it is suggested that established protocols of invitation are specifically designed for maximizing the response rate for each population group. Future research should now focus on uncovering the barriers to uptake in particular culturally diverse population groups to determine how public health teams can better engage with these communities.

  20. Utility of Reference Change Values for Delta Check Limits.

    PubMed

    Ko, Dae-Hyun; Park, Hae-Il; Hyun, Jungwon; Kim, Hyun Soo; Park, Min-Jeong; Shin, Dong Hoon

    2017-10-01

    To assess the utility of reference change values (RCVs) as delta check limits. A total of 1,650,518 paired results for 23 general chemistry test results from June 1, 2014, to October 31, 2016, were analyzed. The RCVs for each analyte were calculated from the analytical imprecision and within-subject biological variation. The percent differences between two consecutive results in one patient were categorized into one of four groups: outpatients, inpatients, emergency care, and general health care. For each, 2.5th and 97.5th percentile values were computed and compared with their RCVs. The distributions were assessed for normality using the Kolmogorov-Smirnov test. Most of the estimated limits were larger than the corresponding RCVs and, furthermore, with notable differences across the groups. Patients in the emergency care group usually demonstrated larger delta percent values than those in the other groups. None of the distributions of the percent differences passed tests of normality when subjected to Kolmogorov-Smirnov analysis. Comparison of estimated RCVs and real-world patient data revealed the pitfalls of applying RCVs in clinical laboratories. Laboratory managers should be aware of the limitations of RCVs and exercise caution when using them. © American Society for Clinical Pathology, 2017. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com

  1. Ultrasound use during cardiopulmonary resuscitation is associated with delays in chest compressions.

    PubMed

    Huis In 't Veld, Maite A; Allison, Michael G; Bostick, David S; Fisher, Kiondra R; Goloubeva, Olga G; Witting, Michael D; Winters, Michael E

    2017-10-01

    High-quality chest compressions are a critical component of the resuscitation of patients in cardiopulmonary arrest. Point-of-care ultrasound (POCUS) is used frequently during emergency department (ED) resuscitations, but there has been limited research assessing its benefits and harms during the delivery of cardiopulmonary resuscitation (CPR). We hypothesized that use of POCUS during cardiac arrest resuscitation adversely affects high-quality CPR by lengthening the duration of pulse checks beyond the current cardiopulmonary resuscitation guidelines recommendation of 10s. We conducted a prospective cohort study of adults in cardiac arrest treated in an urban ED between August 2015 and September 2016. Resuscitations were recorded using video equipment in designated resuscitation rooms, and the use of POCUS was documented and timed. A linear mixed-effects model was used to estimate the effect of POCUS on pulse check duration. Twenty-three patients were enrolled in our study. The mean duration of pulse checks with POCUS was 21.0s (95% CI, 18-24) compared with 13.0s (95% CI, 12-15) for those without POCUS. POCUS increased the duration of pulse checks and CPR interruption by 8.4s (95% CI, 6.7-10.0 [p<0.0001]). Age, body mass index (BMI), and procedures did not significantly affect the duration of pulse checks. The use of POCUS during cardiac arrest resuscitation was associated with significantly increased duration of pulse checks, nearly doubling the 10-s maximum duration recommended in current guidelines. It is important for acute care providers to pay close attention to the duration of interruptions in the delivery of chest compressions when using POCUS during cardiac arrest resuscitation. Copyright © 2017 Elsevier B.V. All rights reserved.

  2. KSC-2013-3076

    NASA Image and Video Library

    2013-07-22

    HOUSTON - NASA astronaut Serena Aunon puts on her orange launch-and-entry suit for a fit check evaluation of The Boeing Company's CST-100 spacecraft at the company's Houston Product Support Center. Aunon's fit check will help evaluate a crew's maneuverability in the spacecraft and test communications. Boeing's CST-100 is being designed to transport crew members or a mix of crew and cargo to low-Earth-orbit destinations. The evaluation is part of the ongoing work supporting Boeing's funded Space Act Agreement with NASA's Commercial Crew Program, or CCP, during the agency's Commercial Crew Integrated Capability, or CCiCap, initiative. CCiCap is intended to make commercial human spaceflight services available for government and commercial customers. To learn more about CCP, visit http://www.nasa.gov/commercialcrew. Photo credit: NASA/Robert Markowitz

  3. KSC-2013-3090

    NASA Image and Video Library

    2013-07-22

    HOUSTON - JSC2013e068329 - NASA astronaut Randy Bresnik is interviewed by the media before he enters The Boeing Company's CST-100 spacecraft for a fit check evaluation at the company's Houston Product Support Center. Bresnik's fit check will help evaluate a crew's maneuverability in the spacecraft and test communications. Boeing's CST-100 is being designed to transport crew members or a mix of crew and cargo to low-Earth-orbit destinations. The evaluation is part of the ongoing work supporting Boeing's funded Space Act Agreement with NASA's Commercial Crew Program, or CCP, during the agency's Commercial Crew Integrated Capability, or CCiCap, initiative. CCiCap is intended to make commercial human spaceflight services available for government and commercial customers. To learn more about CCP, visit http://www.nasa.gov/commercialcrew. Photo credit: NASA/Robert Markowitz

  4. KSC-2013-3079

    NASA Image and Video Library

    2013-07-22

    HOUSTON - JSC2013e068264 - NASA astronaut Serena Aunon's boots are covered before she enters The Boeing Company's CST-100 spacecraft for a fit check evaluation at the company's Houston Product Support Center. Aunon's fit check will help evaluate a crew's maneuverability in the spacecraft and test communications. Boeing's CST-100 is being designed to transport crew members or a mix of crew and cargo to low-Earth-orbit destinations. The evaluation is part of the ongoing work supporting Boeing's funded Space Act Agreement with NASA's Commercial Crew Program, or CCP, during the agency's Commercial Crew Integrated Capability, or CCiCap, initiative. CCiCap is intended to make commercial human spaceflight services available for government and commercial customers. To learn more about CCP, visit http://www.nasa.gov/commercialcrew. Photo credit: NASA/Robert Markowitz

  5. Software Model Checking of ARINC-653 Flight Code with MCP

    NASA Technical Reports Server (NTRS)

    Thompson, Sarah J.; Brat, Guillaume; Venet, Arnaud

    2010-01-01

    The ARINC-653 standard defines a common interface for Integrated Modular Avionics (IMA) code. In particular, ARINC-653 Part 1 specifies a process- and partition-management API that is analogous to POSIX threads, but with certain extensions and restrictions intended to support the implementation of high reliability flight code. MCP is a software model checker, developed at NASA Ames, that provides capabilities for model checking C and C++ source code. In this paper, we present recent work aimed at implementing extensions to MCP that support ARINC-653, and we discuss the challenges and opportunities that consequentially arise. Providing support for ARINC-653 s time and space partitioning is nontrivial, though there are implicit benefits for partial order reduction possible as a consequence of the API s strict interprocess communication policy.

  6. STS-92 crew takes part in a Leak Seal Kit Fit Check in the SSPF

    NASA Technical Reports Server (NTRS)

    1999-01-01

    In the Space Station Processing Facility, STS-92 crew members discuss the Pressurized Mating Adapter -3 (PMA-3), in the background, with Boeing workers. From left are Pilot Pamela A. Melroy and Mission Specialists Koichi Wakata, who represents the National Space Development Agency of Japan (NASDA), and Peter J.K. 'Jeff' Wisoff (Ph.D.). The STS-92 crew are taking part in a Leak Seal Kit Fit Check in connection with the PMA-3. Other crew members participating are Commander Brian Duffy and Mission Specialists Leroy Chiao (Ph.D.), Michael E. Lopez-Alegria and William Surles 'Bill' McArthur Jr. The mission payload also includes an integrated truss structure (Z-1 truss). Launch of STS-92 is scheduled for Feb. 24, 2000.

  7. STS-92 crew takes part in a Leak Seal Kit Fit Check in the SSPF

    NASA Technical Reports Server (NTRS)

    1999-01-01

    In the Space Station Processing Facility, STS-92 crew members discuss the Pressurized Mating Adapter -3 in the background with workers from Boeing. At the far left is Mission Specialist William Surles 'Bill' McArthur Jr.; facing the camera are Pilot Pamela A. Melroy and Mission Specialist Koichi Wakata, who represents the National Space Development Agency of Japan (NASDA). Also participating are other crew members Commander Brian Duffy and Mission Specialists Leroy Chiao (Ph.D.), Peter J.K. 'Jeff' Wisoff (Ph.D.), Michael E. Lopez-Alegria and William Surles 'Bill' McArthur Jr. The crew are taking part in a Leak Seal Kit Fit Check. The mission payload also includes an integrated truss structure (Z-1 truss). Launch of STS-92 is scheduled for Feb. 24, 2000.

  8. STS-92 crew takes part in a Leak Seal Kit Fit Check in the SSPF

    NASA Technical Reports Server (NTRS)

    1999-01-01

    In the Space Station Processing Facility, STS-92 crew members discuss the Pressurized Mating Adapter -3 (PMA-3) in the background with Boeing workers. From left are Pilot Pamela A. Melroy and Mission Specialists Koichi Wakata, who represents the National Space Development Agency of Japan (NASDA), and Peter J.K. 'Jeff' Wisoff (Ph.D.). The STS-92 crew are taking part in a Leak Seal Kit Fit Check in connection with the PMA-3. Other crew members participating are Commander Brian Duffy and Mission Specialists Leroy Chiao (Ph.D.), Michael E. Lopez-Alegria and William Surles 'Bill' McArthur Jr. The mission payload also includes an integrated truss structure (Z-1 truss). Launch of STS-92 is scheduled for Feb. 24, 2000.

  9. [Social participation and vocational integration as an objective of child and adolescent psychiatric rehabilitation].

    PubMed

    Voll, Renate

    2009-09-01

    In order to avoid threatening social disintegration, it is important for children and adolescents with chronic mental disorders and also for physically disabled children to diagnose disturbances of social participation in an early stage and to commence rehabilitation measures. The need for rehabilitation, the ability to rehabilitate and the rehabilitation prognosis are important for identifying the individual rehabilitation goals. A multi-axial diagnosis according to the ICF with a determination of adaptability, a behavioural analysis, skills, activity and participation is required. For disabled children, there are only a few ICF check lists for diagnosing social participation. Because of this, the ICF check list CASP (Child & Adolescent Scale of Participation) for measuring social participation according to Bedell was translated, which is shown in the appendix.

  10. Integration of a radiation biomarker into modeling of thyroid carcinogenesis and post-Chernobyl risk assessment.

    PubMed

    Kaiser, Jan Christian; Meckbach, Reinhard; Eidemüller, Markus; Selmansberger, Martin; Unger, Kristian; Shpak, Viktor; Blettner, Maria; Zitzelsberger, Horst; Jacob, Peter

    2016-12-01

    Strong evidence for the statistical association between radiation exposure and disease has been produced for thyroid cancer by epidemiological studies after the Chernobyl accident. However, limitations of the epidemiological approach in order to explore health risks especially at low doses of radiation appear obvious. Statistical fluctuations due to small case numbers dominate the uncertainty of risk estimates. Molecular radiation markers have been searched extensively to separate radiation-induced cancer cases from sporadic cases. The overexpression of the CLIP2 gene is the most promising of these markers. It was found in the majority of papillary thyroid cancers (PTCs) from young patients included in the Chernobyl tissue bank. Motivated by the CLIP2 findings we propose a mechanistic model which describes PTC development as a sequence of rate-limiting events in two distinct paths of CLIP2-associated and multistage carcinogenesis. It integrates molecular measurements of the dichotomous CLIP2 marker from 141 patients into the epidemiological risk analysis for about 13 000 subjects from the Ukrainian-American cohort which were exposed below age 19 years and were put under enhanced medical surveillance since 1998. For the first time, a radiation risk has been estimated solely from marker measurements. Cross checking with epidemiological estimates and model validation suggests that CLIP2 is a marker of high precision. CLIP2 leaves an imprint in the epidemiological incidence data which is typical for a driver gene. With the mechanistic model, we explore the impact of radiation on the molecular landscape of PTC. The model constitutes a unique interface between molecular biology and radiation epidemiology. © The Author 2016. Published by Oxford University Press.

  11. Using health information technology to manage a patient population in accountable care organizations.

    PubMed

    Wu, Frances M; Rundall, Thomas G; Shortell, Stephen M; Bloom, Joan R

    2016-06-20

    Purpose - The purpose of this paper is to describe the current landscape of health information technology (HIT) in early accountable care organizations (ACOs), the different strategies ACOs are using to develop HIT-based capabilities, and how ACOs are using these capabilities within their care management processes to advance health outcomes for their patient population. Design/methodology/approach - Mixed methods study pairing data from a cross-sectional National Survey of ACOs with in-depth, semi-structured interviews with leaders from 11 ACOs (both completed in 2013). Findings - Early ACOs vary widely in their electronic health record, data integration, and analytic capabilities. The most common HIT capability was drug-drug and drug-allergy interaction checks, with 53.2 percent of respondents reporting that the ACO possessed the capability to a high degree. Outpatient and inpatient data integration was the least common HIT capability (8.1 percent). In the interviews, ACO leaders commented on different HIT development strategies to gain a more comprehensive picture of patient needs and service utilization. ACOs realize the necessity for robust data analytics, and are exploring a variety of approaches to achieve it. Research limitations/implications - Data are self-reported. The qualitative portion was based on interviews with 11 ACOs, limiting generalizability to the universe of ACOs but allowing for a range of responses. Practical implications - ACOs are challenged with the development of sophisticated HIT infrastructure. They may benefit from targeted assistance and incentives to implement health information exchanges with other providers to promote more coordinated care management for their patient population. Originality/value - Using new empirical data, this study increases understanding of the extent of ACOs' current and developing HIT capabilities to support ongoing care management.

  12. The integrable quantum group invariant A2n-1(2) and Dn+1(2) open spin chains

    NASA Astrophysics Data System (ADS)

    Nepomechie, Rafael I.; Pimenta, Rodrigo A.; Retore, Ana L.

    2017-11-01

    A family of A2n(2) integrable open spin chains with Uq (Cn) symmetry was recently identified in arxiv:arXiv:1702.01482. We identify here in a similar way a family of A2n-1(2) integrable open spin chains with Uq (Dn) symmetry, and two families of Dn+1(2) integrable open spin chains with Uq (Bn) symmetry. We discuss the consequences of these symmetries for the degeneracies and multiplicities of the spectrum. We propose Bethe ansatz solutions for two of these models, whose completeness we check numerically for small values of n and chain length N. We find formulas for the Dynkin labels in terms of the numbers of Bethe roots of each type, which are useful for determining the corresponding degeneracies. In an appendix, we briefly consider Dn+1(2) chains with other integrable boundary conditions, which do not have quantum group symmetry.

  13. Comprehensive Anti-error Study on Power Grid Dispatching Based on Regional Regulation and Integration

    NASA Astrophysics Data System (ADS)

    Zhang, Yunju; Chen, Zhongyi; Guo, Ming; Lin, Shunsheng; Yan, Yinyang

    2018-01-01

    With the large capacity of the power system, the development trend of the large unit and the high voltage, the scheduling operation is becoming more frequent and complicated, and the probability of operation error increases. This paper aims at the problem of the lack of anti-error function, single scheduling function and low working efficiency for technical support system in regional regulation and integration, the integrated construction of the error prevention of the integrated architecture of the system of dispatching anti - error of dispatching anti - error of power network based on cloud computing has been proposed. Integrated system of error prevention of Energy Management System, EMS, and Operation Management System, OMS have been constructed either. The system architecture has good scalability and adaptability, which can improve the computational efficiency, reduce the cost of system operation and maintenance, enhance the ability of regional regulation and anti-error checking with broad development prospects.

  14. 40 CFR 243.202-3 - Recommended procedures: Operations.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 40 Protection of Environment 25 2014-07-01 2014-07-01 false Recommended procedures: Operations. 243.202-3 Section 243.202-3 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED... receive periodic vehicle safety checks, including, but not limited to, inspection of brakes, windshield...

  15. 40 CFR 243.202-3 - Recommended procedures: Operations.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Recommended procedures: Operations. 243.202-3 Section 243.202-3 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED... receive periodic vehicle safety checks, including, but not limited to, inspection of brakes, windshield...

  16. 40 CFR 243.202-3 - Recommended procedures: Operations.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 40 Protection of Environment 26 2013-07-01 2013-07-01 false Recommended procedures: Operations. 243.202-3 Section 243.202-3 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED... receive periodic vehicle safety checks, including, but not limited to, inspection of brakes, windshield...

  17. 40 CFR 243.202-3 - Recommended procedures: Operations.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 40 Protection of Environment 25 2011-07-01 2011-07-01 false Recommended procedures: Operations. 243.202-3 Section 243.202-3 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED... receive periodic vehicle safety checks, including, but not limited to, inspection of brakes, windshield...

  18. Views and experiences of the NHS Health Check provided by general medical practices: cross-sectional survey in high-risk patients.

    PubMed

    Krska, Janet; du Plessis, Ruth; Chellaswamy, Hannah

    2015-06-01

    Since the NHS Health Check programme was initiated in 2009, no survey has sought patients' views of Checks provided by GP practices and few studies have reported views of the wider public. This study sought the views and experiences of patients with potentially high-cardiovascular disease (CVD) risk. Cross-sectional postal survey of all the patients with an actual or estimated CVD risk score of at least 20% over 10 years, registered with 16 general practices in Sefton, North West England, with no follow-up. The response rate was 23.4% (644/2958), 67.4% had attended and 73.8% of those not yet invited indicated willingness to attend. Both groups had positive views towards Health Checks, but more non-attenders agreed these should only be performed by doctors. Attenders had better self-reported health and healthy lifestyle than non-attenders. Overall 86.6% of attenders recalled receiving one or more pieces of lifestyle advice and 71.0% claimed to have made at least one lifestyle change; however, perception and understanding of CVD risk appeared limited. Both attenders and non-attenders had positive views towards NHS Health Checks in general practice and resultant self-reported lifestyle change in attenders was high. Clearer written information and explanation of personal CVD risk are required. © The Author 2014. Published by Oxford University Press on behalf of Faculty of Public Health. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

  19. Integrating Microscopic Analysis into Existing Quality Assurance Processes

    NASA Astrophysics Data System (ADS)

    Frühberger, Peter; Stephan, Thomas; Beyerer, Jürgen

    When technical goods, like mainboards and other electronic components, are produced, quality assurance (QA) is very important. To achieve this goal, different optical microscopes can be used to analyze a variety of specimen to gain comprehensive information by combining the acquired sensor data. In many industrial processes, cameras are used to examine these technical goods. Those cameras can analyze complete boards at once and offer a high level of accuracy when used for completeness checks. When small defects, e.g. soldered points, need to be examined in detail, those wide area cameras are limited. Microscopes with large magnification need to be used to analyze those critical areas. But microscopes alone cannot fulfill this task within a limited time schedule, because microscopic analysis of complete motherboards of a certain size is time demanding. Microscopes are limited concerning their depth of field and depth of focus, which is why additional components like XY moving tables need to be used to examine the complete surface. Yet today's industrial production quality standards require a 100 % control of the soldered components within a given time schedule. This level of quality, while keeping inspection time low, can only be achieved when combining multiple inspection devices in an optimized manner. This paper presents results and methods of combining industrial cameras with microscopy instrumenting a classificatory based approach intending to keep already deployed QA processes in place but extending them with the purpose of increasing the quality level of the produced technical goods while maintaining high throughput.

  20. Endotracheal cuff pressure changes with change in position in neurosurgical patients.

    PubMed

    Athiraman, UmeshKumar; Gupta, Rohit; Singh, Georgene

    2015-01-01

    Placement of a cuffed endotracheal tube for the administration of general anesthesia is routine. The cuff of the endotracheal tube is inflated with air to achieve an adequate seal to prevent micro-aspiration. Over inflation of the cuff can decrease the mucosal perfusion, leading to pressure necrosis and nerve palsies. Inadequate seal can lead to micro aspiration. So the cuff pressure has to be monitored and kept within the prescribed limits of 20-30 cms of water. To observe the effect of different positions on the endotracheal cuff pressure in patients undergoing neurosurgical procedures. This is an observational study conducted on 70 patients undergoing neurosurgical procedures in various positions. After intubation, the cuff pressure was checked with a cuff pressure manometer, Endotest (Teleflex Medical, Rush) and adjusted to be within the allowable pressure limits as is the routine practice. The cuff pressure was checked again at three time points after achieving the final position with the head on pins, at the end of the procedure and before extubation. Various factors such as the age, position, duration of surgery were studied. There were no major complications like aspiration, stridor or hoarseness of voice post extubation in any of the patients. A significant decline in the cuff pressures were noted from the initial supine position to extubation (P < .001) in the supine group. Also a significant decline in the cuff pressures were found in the prone group from their initial intubated supine position to all the other three corresponding time points namely after final positioning (P < .001), at the end of the procedure (P < .001) and before extubation (P < .001). Cuff pressure has to be checked after achieving the final positioning of the patient and adjusted to the prescribed limits to prevent micro aspiration.

  1. Integrating Farm Production and Natural Resource Management in Tasmania, Australia

    ERIC Educational Resources Information Center

    Cotching, W. E.; Sherriff, L.; Kilpatrick, S.

    2009-01-01

    This paper reports on the social learning from a project aimed to increase the knowledge and capacity of a group of farmers in Tasmania, Australia, to reduce the impacts of intensive agriculture on soil health and waterways, and to optimise the efficient use of on-farm inputs. The plan-do-check-review cycle adopted in this project required the…

  2. Crewmember working on the spacelab Zeolite Crystal Growth experiment.

    NASA Image and Video Library

    1992-07-09

    STS050-02-001 (9 July 1992) --- View showing Payload Specialists Bonnie Dunbar and Larry DeLucas in the aft section of the U. S. Microgravity Laboratory-1. Dunbar is preparing to load a sample in the Crystal Growth Furnace (CGF) Integrated Furnace Experiment Assembly (IFEA) in rack 9 of the Microgravity Laboratory. DeLucas is checking out the multipurpose Glovebox Facility.

  3. NEXT Single String Integration Test Results

    NASA Technical Reports Server (NTRS)

    Soulas, George C.; Patterson, Michael J.; Pinero, Luis; Herman, Daniel A.; Snyder, Steven John

    2010-01-01

    As a critical part of NASA's Evolutionary Xenon Thruster (NEXT) test validation process, a single string integration test was performed on the NEXT ion propulsion system. The objectives of this test were to verify that an integrated system of major NEXT ion propulsion system elements meets project requirements, to demonstrate that the integrated system is functional across the entire power processor and xenon propellant management system input ranges, and to demonstrate to potential users that the NEXT propulsion system is ready for transition to flight. Propulsion system elements included in this system integration test were an engineering model ion thruster, an engineering model propellant management system, an engineering model power processor unit, and a digital control interface unit simulator that acted as a test console. Project requirements that were verified during this system integration test included individual element requirements ; integrated system requirements, and fault handling. This paper will present the results of these tests, which include: integrated ion propulsion system demonstrations of performance, functionality and fault handling; a thruster re-performance acceptance test to establish baseline performance: a risk-reduction PMS-thruster integration test: and propellant management system calibration checks.

  4. DOE Office of Scientific and Technical Information (OSTI.GOV)

    Dykstra, D.; Blomer, J.

    Both the CernVM File System (CVMFS) and the Frontier Distributed Database Caching System (Frontier) distribute centrally updated data worldwide for LHC experiments using http proxy caches. Neither system provides privacy or access control on reading the data, but both control access to updates of the data and can guarantee the authenticity and integrity of the data transferred to clients over the internet. CVMFS has since its early days required digital signatures and secure hashes on all distributed data, and recently Frontier has added X.509-based authenticity and integrity checking. In this paper we detail and compare the security models of CVMFSmore » and Frontier.« less

  5. Integrated controls and health monitoring for chemical transfer propulsion

    NASA Technical Reports Server (NTRS)

    Millis, Marc G.; Binder, Michael P.

    1990-01-01

    NASA is reviewing various propulsion technologies for exploring space. The requirements are examined for one enabling propulsion technology: Integrated Controls and Health Monitoring (ICHM) for Chemical Transfer Propulsion (CTP). Functional requirements for a CTP-ICHM system are proposed from tentative mission scenarios, vehicle configurations, CTP specifications, and technical feasibility. These CTP-ICHM requirements go beyond traditional reliable operation and emergency shutoff control to include: (1) enhanced mission flexibility; (2) continuously variable throttling; (3) tank-head start control; (4) automated prestart and post-shutoff engine check; (5) monitoring of space exposure degradation; and (6) product evolution flexibility. Technology development plans are also discussed.

  6. Addressable test matrix for measuring analog transfer characteristics of test elements used for integrated process control and device evaluation

    NASA Technical Reports Server (NTRS)

    Buehler, Martin G. (Inventor)

    1988-01-01

    A set of addressable test structures, each of which uses addressing schemes to access individual elements of the structure in a matrix, is used to test the quality of a wafer before integrated circuits produced thereon are diced, packaged and subjected to final testing. The electrical characteristic of each element is checked and compared to the electrical characteristic of all other like elements in the matrix. The effectiveness of the addressable test matrix is in readily analyzing the electrical characteristics of the test elements and in providing diagnostic information.

  7. Long period perturbations of earth satellite orbits. [Von Zeipel method and zonal harmonics

    NASA Technical Reports Server (NTRS)

    Wang, K. C.

    1979-01-01

    All the equations involved in extending the PS phi solution to include the long periodic and second order secular effects of the zonal harmonics are presented. Topics covered include DSphi elements and relations for their conconical transformation into the PS phi elements; the solution algorithm based on the Von Zeipel method; and the elimination of long periodic terms and analytical integration of primed variables. The equations were entered into the ASOP program, checked out, and verified. Comparisons with numerical integrations show the long period theory to be accurate within several meters after 800 revolutions.

  8. Parallel Implementation of Numerical Solution of Few-Body Problem Using Feynman's Continual Integrals

    NASA Astrophysics Data System (ADS)

    Naumenko, Mikhail; Samarin, Viacheslav

    2018-02-01

    Modern parallel computing algorithm has been applied to the solution of the few-body problem. The approach is based on Feynman's continual integrals method implemented in C++ programming language using NVIDIA CUDA technology. A wide range of 3-body and 4-body bound systems has been considered including nuclei described as consisting of protons and neutrons (e.g., 3,4He) and nuclei described as consisting of clusters and nucleons (e.g., 6He). The correctness of the results was checked by the comparison with the exactly solvable 4-body oscillatory system and experimental data.

  9. The effectiveness of mindfulness meditation for nurses and nursing students: An integrated literature review.

    PubMed

    van der Riet, Pamela; Levett-Jones, Tracy; Aquino-Russell, Catherine

    2018-06-01

    A growing body of literature has identified a range of beneficial physiological and psychological outcomes from the regular practice of mindfulness meditation. For healthcare professionals, mindfulness meditation is claimed to reduce stress, anxiety and burnout, and enhance resilience. The objective of this integrative review was to critically appraise the literature that related to the effectiveness of mindfulness meditation programs for nurses and nursing students. This review was conducted using Whittemore and Knafl's framework for integrated reviews. Using the terms mindfulness, mindfulness-based-stress reduction, Vipassana, nurses, and nurse education a comprehensive search of the following electronic databases was conducted: CINAHAL, Medline, PsycINFO, EMBASE. EMCARE, ERIC and SCOPUS. The initial search located 1703 articles. After screening and checking for eligibility 20 articles were critically appraised using the Critical Appraisal Skills Program checklist for qualitative papers and McMaster's Critical appraisal form for quantitative papers. The final number of papers included in the review was 16. The results of this review identified that mindfulness meditation has a positive impact on nurses' and nursing students' stress, anxiety, depression, burnout, sense of well-being and empathy. However, the majority of the papers described small scale localised studies which limits generalisability. Contemporary healthcare is challenging and complex. This review indicated that mindfulness meditation is an effective strategy for preventing and managing the workplace stress and burnout, which so often plague nursing staff and students. Further studies with larger sample sizes using rigorous research methods would be useful in extending this work. Copyright © 2018 Elsevier Ltd. All rights reserved.

  10. SU-E-J-199: A Software Tool for Quality Assurance of Online Replanning with MR-Linac

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Chen, G; Ahunbay, E; Li, X

    2015-06-15

    Purpose: To develop a quality assurance software tool, ArtQA, capable of automatically checking radiation treatment plan parameters, verifying plan data transfer from treatment planning system (TPS) to record and verify (R&V) system, performing a secondary MU calculation considering the effect of magnetic field from MR-Linac, and verifying the delivery and plan consistency, for online replanning. Methods: ArtQA was developed by creating interfaces to TPS (e.g., Monaco, Elekta), R&V system (Mosaiq, Elekta), and secondary MU calculation system. The tool obtains plan parameters from the TPS via direct file reading, and retrieves plan data both transferred from TPS and recorded during themore » actual delivery in the R&V system database via open database connectivity and structured query language. By comparing beam/plan datasets in different systems, ArtQA detects and outputs discrepancies between TPS, R&V system and secondary MU calculation system, and delivery. To consider the effect of 1.5T transverse magnetic field from MR-Linac in the secondary MU calculation, a method based on modified Clarkson integration algorithm was developed and tested for a series of clinical situations. Results: ArtQA is capable of automatically checking plan integrity and logic consistency, detecting plan data transfer errors, performing secondary MU calculations with or without a transverse magnetic field, and verifying treatment delivery. The tool is efficient and effective for pre- and post-treatment QA checks of all available treatment parameters that may be impractical with the commonly-used visual inspection. Conclusion: The software tool ArtQA can be used for quick and automatic pre- and post-treatment QA check, eliminating human error associated with visual inspection. While this tool is developed for online replanning to be used on MR-Linac, where the QA needs to be performed rapidly as the patient is lying on the table waiting for the treatment, ArtQA can be used as a general QA tool in radiation oncology practice. This work is partially supported by Elekta Inc.« less

  11. Modelling spoilage of fresh turbot and evaluation of a time-temperature integrator (TTI) label under fluctuating temperature.

    PubMed

    Nuin, Maider; Alfaro, Begoña; Cruz, Ziortza; Argarate, Nerea; George, Susie; Le Marc, Yvan; Olley, June; Pin, Carmen

    2008-10-31

    Kinetic models were developed to predict the microbial spoilage and the sensory quality of fresh fish and to evaluate the efficiency of a commercial time-temperature integrator (TTI) label, Fresh Check(R), to monitor shelf life. Farmed turbot (Psetta maxima) samples were packaged in PVC film and stored at 0, 5, 10 and 15 degrees C. Microbial growth and sensory attributes were monitored at regular time intervals. The response of the Fresh Check device was measured at the same temperatures during the storage period. The sensory perception was quantified according to a global sensory indicator obtained by principal component analysis as well as to the Quality Index Method, QIM, as described by Rahman and Olley [Rahman, H.A., Olley, J., 1984. Assessment of sensory techniques for quality assessment of Australian fish. CSIRO Tasmanian Regional Laboratory. Occasional paper n. 8. Available from the Australian Maritime College library. Newnham. Tasmania]. Both methods were found equally valid to monitor the loss of sensory quality. The maximum specific growth rate of spoilage bacteria, the rate of change of the sensory indicators and the rate of change of the colour measurements of the TTI label were modelled as a function of temperature. The temperature had a similar effect on the bacteria, sensory and Fresh Check kinetics. At the time of sensory rejection, the bacterial load was ca. 10(5)-10(6) cfu/g. The end of shelf life indicated by the Fresh Check label was close to the sensory rejection time. The performance of the models was validated under fluctuating temperature conditions by comparing the predicted and measured values for all microbial, sensory and TTI responses. The models have been implemented in a Visual Basic add-in for Excel called "Fish Shelf Life Prediction (FSLP)". This program predicts sensory acceptability and growth of spoilage bacteria in fish and the response of the TTI at constant and fluctuating temperature conditions. The program is freely available at http://www.azti.es/muestracontenido.asp?idcontenido=980&content=15&nodo1=30&nodo2=0.

  12. 40 CFR 243.202-3 - Recommended procedures: Operations.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 40 Protection of Environment 26 2012-07-01 2011-07-01 true Recommended procedures: Operations. 243.202-3 Section 243.202-3 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID... receive periodic vehicle safety checks, including, but not limited to, inspection of brakes, windshield...

  13. Applicator Training Manual for: Aerial Application of Pesticides.

    ERIC Educational Resources Information Center

    Overhults, Douglas G.

    This training manual discusses both the advantages and limitations of aerial application of pesticides. Other topics included are: agricultural aircraft equipment, dispersal accessories, drift control, calibration, spray testing, granular materials testing, operations, and personal safety. Safety check lists are given for pilots, ground crew, and…

  14. Net Weight Issue LLNL DOE-STD-3013 Containers

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Wilk, P

    2008-01-16

    The following position paper will describe DOE-STD-3013 container sets No.L000072 and No.L000076, and how they are compliant with DOE-STD-3013-2004. All masses of accountable nuclear materials are measured on LLNL certified balances maintained under an MC&A Program approved by DOE/NNSA LSO. All accountability balances are recalibrated annually and checked to be within calibration on each day that the balance is used for accountability purposes. A statistical analysis of the historical calibration checks from the last seven years indicates that the full-range Limit of Error (LoE, 95% confidence level) for the balance used to measure the mass of the contents of themore » above indicated 3013 containers is 0.185 g. If this error envelope, at the 95% confidence level, were to be used to generate an upper-limit to the measured weight of the containers No.L000072 and No.L000076, the error-envelope would extend beyond the 5.0 kg 3013-standard limit on the package contents by less than 0.3 g. However, this is still well within the intended safety bounds of DOE-STD-3013-2004.« less

  15. Options and limits of quantitative and qualitative online-monitoring of industrial discharges into municipal sewage systems.

    PubMed

    Hoppe, H; Messmann, S; Giga, A; Grüning, H

    2009-01-01

    In some cities, industrial enterprises' discharges into municipal sewage systems have a major impact on the quantity and quality of inflows to the municipal treatment plants. In many cases, industrial discharges stand out on account of the great fluctuations in their volumetric rates of flow, pollution loads and temperatures. As a result, these discharges put a great strain on the sewage system, the treatment plant, and ultimately the receiving waters. The enterprises concerned have to pay the treatment plant operators fees based on the load and/or volume discharged. In most cases, qualitative monitoring operations merely consist of spot checks. This means that continuously surveillance is not possible and infringements of the permissible limit values are only discovered by accident. If impermissible discharges are carried out that may be susceptible to causing a treatment plant failure, the rapid initiation of countermeasures is not possible. Hence, spectrometer probes and mobile flowmeters were used in order to determine volumetric rates of flow, COD concentrations, and ultimately the loads discharged. The possibilities for, and limits to, online monitoring as well as shortcomings of spot-checks are discussed in the course of this paper, which also includes an uncertainty analysis.

  16. Scalable Integrated Multi-Mission Support System Simulator Release 3.0

    NASA Technical Reports Server (NTRS)

    Kim, John; Velamuri, Sarma; Casey, Taylor; Bemann, Travis

    2012-01-01

    The Scalable Integrated Multi-mission Support System (SIMSS) is a tool that performs a variety of test activities related to spacecraft simulations and ground segment checks. SIMSS is a distributed, component-based, plug-and-play client-server system useful for performing real-time monitoring and communications testing. SIMSS runs on one or more workstations and is designed to be user-configurable or to use predefined configurations for routine operations. SIMSS consists of more than 100 modules that can be configured to create, receive, process, and/or transmit data. The SIMSS/GMSEC innovation is intended to provide missions with a low-cost solution for implementing their ground systems, as well as significantly reducing a mission s integration time and risk.

  17. NCBI BLAST+ integrated into Galaxy.

    PubMed

    Cock, Peter J A; Chilton, John M; Grüning, Björn; Johnson, James E; Soranzo, Nicola

    2015-01-01

    The NCBI BLAST suite has become ubiquitous in modern molecular biology and is used for small tasks such as checking capillary sequencing results of single PCR products, genome annotation or even larger scale pan-genome analyses. For early adopters of the Galaxy web-based biomedical data analysis platform, integrating BLAST into Galaxy was a natural step for sequence comparison workflows. The command line NCBI BLAST+ tool suite was wrapped for use within Galaxy. Appropriate datatypes were defined as needed. The integration of the BLAST+ tool suite into Galaxy has the goal of making common BLAST tasks easy and advanced tasks possible. This project is an informal international collaborative effort, and is deployed and used on Galaxy servers worldwide. Several examples of applications are described here.

  18. Accident study of torrential protective structures based on the French RTM database

    NASA Astrophysics Data System (ADS)

    Boncompain, Ingrid; Quefféléan, Yann; Carladous, Simon

    2017-04-01

    Torrential protective structures such as dikes, sediment traps, and check dams aim to reduce damage on elements at risk. They are built given a reference scenario. Nevertheless, this scenario can be exceeded or structures can fail because of their design or their ageing. We later talk about "accidents". The 1996 Aras disaster near Biescas (Spain) showed that consequences can be significant: 35 of 40 check dams were destroyed which involved 87 fatalities in a campsite. The accident probability and its consequences must be taken into account to analyze risk. Databases are useful tools to extract needed information. In France, the Restoration of Mountainous Areas department (RTM) has been public funded to develop a database, specific to mountainous areas (the Alps and the Pyrenees). Almost 12 500 check dams, 80 sediment traps and 600 dikes were registered in public forests in 2011. These samples were assumed significant for check dams and sediment traps but not for dikes because the most part was missing. In parallel, more than 31 000 torrential events were registered. Given these elements, an accident study was developed. We first extracted 1 925 events with accidents on protective structures: 39 % occurred during the 19th century and 53 % have occurred since 1900. Sediment traps were involved in 37 events, check dams in 336, and dikes in 1488. Then, a detailed analysis was specifically carried out for check dams. Event phenomena were extracted: torrential flood, liquid flood, snow avalanche, rock fall, and landslide. Accident typology was also specified: scouring, breaking of several check dams, total or partial destruction of one structure, overflowing. Causes of accidents on check dams were first analyzed. Torrential floods were responsible of 85 % of events (284 of 336) even if other phenomena must be also taken into account. Almost 45 % of events (152 of 336) involved total destruction of one or several check dams. Taking into account events for the last 150 years, 30 events were registered with destruction of several check dams: the annual probability of occurrence is 3.10-4. Analyzing consequences, only 11 of previously retained events (1925) were registered with fatalities. Finally, these quantitative elements were compared to qualitative feedback analysis from field practitioners and were illustrated with the 1987 Saint-Antoine event, in Modane. The total or partial destruction of 25 check dams released between 20 000 and 30 000 m3, which was one third of the estimated debris flow volume (85 000 m3) which damaged an industrial area. The lack of their maintenance partially explained this accident. As a conclusion, we must keep in mind that these results are limited to available data (all events have not been necessarily reported). Accidents on check dams are rare according to these data. It can be due to their general maintenance. This first analysis could be improved taking into account expert analysis, completing with information from other countries databases and formalizing the approach through a dependability analysis framework.

  19. Automated System Checkout to Support Predictive Maintenance for the Reusable Launch Vehicle

    NASA Technical Reports Server (NTRS)

    Patterson-Hine, Ann; Deb, Somnath; Kulkarni, Deepak; Wang, Yao; Lau, Sonie (Technical Monitor)

    1998-01-01

    The Propulsion Checkout and Control System (PCCS) is a predictive maintenance software system. The real-time checkout procedures and diagnostics are designed to detect components that need maintenance based on their condition, rather than using more conventional approaches such as scheduled or reliability centered maintenance. Predictive maintenance can reduce turn-around time and cost and increase safety as compared to conventional maintenance approaches. Real-time sensor validation, limit checking, statistical anomaly detection, and failure prediction based on simulation models are employed. Multi-signal models, useful for testability analysis during system design, are used during the operational phase to detect and isolate degraded or failed components. The TEAMS-RT real-time diagnostic engine was developed to utilize the multi-signal models by Qualtech Systems, Inc. Capability of predicting the maintenance condition was successfully demonstrated with a variety of data, from simulation to actual operation on the Integrated Propulsion Technology Demonstrator (IPTD) at Marshall Space Flight Center (MSFC). Playback of IPTD valve actuations for feature recognition updates identified an otherwise undetectable Main Propulsion System 12 inch prevalve degradation. The algorithms were loaded into the Propulsion Checkout and Control System for further development and are the first known application of predictive Integrated Vehicle Health Management to an operational cryogenic testbed. The software performed successfully in real-time, meeting the required performance goal of 1 second cycle time.

  20. Ab initio simulation of diffractometer instrumental function for high-resolution X-ray diffraction1

    PubMed Central

    Mikhalychev, Alexander; Benediktovitch, Andrei; Ulyanenkova, Tatjana; Ulyanenkov, Alex

    2015-01-01

    Modeling of the X-ray diffractometer instrumental function for a given optics configuration is important both for planning experiments and for the analysis of measured data. A fast and universal method for instrumental function simulation, suitable for fully automated computer realization and describing both coplanar and noncoplanar measurement geometries for any combination of X-ray optical elements, is proposed. The method can be identified as semi-analytical backward ray tracing and is based on the calculation of a detected signal as an integral of X-ray intensities for all the rays reaching the detector. The high speed of calculation is provided by the expressions for analytical integration over the spatial coordinates that describe the detection point. Consideration of the three-dimensional propagation of rays without restriction to the diffraction plane provides the applicability of the method for noncoplanar geometry and the accuracy for characterization of the signal from a two-dimensional detector. The correctness of the simulation algorithm is checked in the following two ways: by verifying the consistency of the calculated data with the patterns expected for certain simple limiting cases and by comparing measured reciprocal-space maps with the corresponding maps simulated by the proposed method for the same diffractometer configurations. Both kinds of tests demonstrate the agreement of the simulated instrumental function shape with the measured data. PMID:26089760

  1. VizieR Online Data Catalog: Face-on disk galaxies photometry. I. (de Jong+, 1994)

    NASA Astrophysics Data System (ADS)

    de Jong, R. S.; van der Kruit, P. C.

    1995-07-01

    We present accurate surface photometry in the B, V, R, I, H and K passbands of 86 spiral galaxies. The galaxies in this statistically complete sample of undisturbed spirals were selected from the UGC to have minimum diameters of 2' and minor over major axis ratios larger than 0.625. This sample has been selected in such a way that it can be used to represent a volume limited sample. The observation and reduction techniques are described in detail, especially the not often used driftscan technique for CCDs and the relatively new techniques using near-infrared (near-IR) arrays. For each galaxy we present radial profiles of surface brightness. Using these profiles we calculated the integrated magnitudes of the galaxies in the different passbands. We performed internal and external consistency checks for the magnitudes as well as the luminosity profiles. The internal consistency is well within the estimated errors. Comparisons with other authors indicate that measurements from photographic plates can show large deviations in the zero-point magnitude. Our surface brightness profiles agree within the errors with other CCD measurements. The comparison of integrated magnitudes shows a large scatter, but a consistent zero-point. These measurements will be used in a series of forthcoming papers to discuss central surface brightnesses, scalelengths, colors and color gradients of disks of spiral galaxies. (9 data files).

  2. Developing a framework of service convenience in health care: An exploratory study for a primary care provider.

    PubMed

    Tuzovic, Sven; Kuppelwieser, Volker

    2016-01-01

    From retail health clinics and online appointment scheduling to (mobile) kiosks that enable patient check-in and automate the collection of copays and open balances, convenience has become an important topic in the health care sector over the last few years. While service convenience has also gained much interest in academia, one common limitation is that authors have adopted a "goods-centered" perspective focusing primarily on retail settings. Results of this exploratory study reveal that health care service convenience encompasses seven different dimensions: decision, access, scheduling, registration and check-in, transaction, care delivery, and postconsultation convenience. Implications and future research suggestions are discussed.

  3. Building Single-Cell Models of Planktonic Metabolism Using PSAMM

    NASA Astrophysics Data System (ADS)

    Dufault-Thompson, K.; Zhang, Y.; Steffensen, J. L.

    2016-02-01

    The Genome-scale models (GEMs) of metabolic networks simulate the metabolic activities of individual cells by integrating omics data with biochemical and physiological measurements. GEMs were applied in the simulation of various photo-, chemo-, and heterotrophic organisms and provide significant insights into the function and evolution of planktonic cells. Despite the quick accumulation of GEMs, challenges remain in assembling the individual cell-based models into community-level models. Among various problems, the lack of consistencies in model representation and model quality checking has hindered the integration of individual GEMs and can lead to erroneous conclusions in the development of new modeling algorithms. Here, we present a Portable System for the Analysis of Metabolic Models (PSAMM). Along with the software a novel format of model representation was developed to enhance the readability of model files and permit the inclusion of heterogeneous, model-specific annotation information. A number of quality checking procedures was also implemented in PSAMM to ensure stoichiometric balance and to identify unused reactions. Using a case study of Shewanella piezotolerans WP3, we demonstrated the application of PSAMM in simulating the coupling of carbon utilization and energy production pathways under low-temperature and high-pressure stress. Applying PSAMM, we have also analyzed over 50 GEMs in the current literature and released an updated collection of the models with corrections on a number of common inconsistencies. Overall, PSAMM opens up new opportunities for integrating individual GEMs for the construction and mathematical simulation of community-level models in the scope of entire ecosystems.

  4. 78 FR 58973 - Airworthiness Directives; Dassault Aviation Airplanes

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-09-25

    ... 2000EX type design are included in Dassault Aviation Falcon 2000EX (F2000EX) Aircraft Maintenance Manual... numbers. (d) Subject Air Transport Association (ATA) of America Code 05, Time Limits/ Maintenance Checks... to introduce a corrosion prevention control program, among other changes, to the maintenance...

  5. Searching for a Free Press in Indian Country.

    ERIC Educational Resources Information Center

    Benton, Sherrole

    1994-01-01

    Describes the tribally controlled media's efforts to provide a form of checks and balances against the tribal council on behalf of the tribal community. Examines the issue of freedom of the tribal press, suggesting that tribal council's control of press's operating funds may limit press freedom. (MAB)

  6. Good Sense With Our Dollars.

    ERIC Educational Resources Information Center

    Snyder, Sarah

    A booklet for limited English speakers on money management provides information on savings accounts, checking accounts, choosing a bank, and the basics of budgeting. Cartoons, questions about the message in cartoons and narrative passages, checklists on things to consider, and the phonetic pronunciation of key words are presented. Specific topics…

  7. 14 CFR 91.1095 - Initial and transition training and checking: Flight instructors (aircraft), flight instructors...

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... methods, procedures, and techniques for conducting flight instruction. (4) Proper evaluation of student... unsatisfactory training progress. (6) The approved methods, procedures, and limitations for performing the... instructor certificate— (i) The fundamental principles of the teaching-learning process; (ii) Teaching...

  8. 14 CFR 91.1095 - Initial and transition training and checking: Flight instructors (aircraft), flight instructors...

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... methods, procedures, and techniques for conducting flight instruction. (4) Proper evaluation of student... unsatisfactory training progress. (6) The approved methods, procedures, and limitations for performing the... instructor certificate— (i) The fundamental principles of the teaching-learning process; (ii) Teaching...

  9. 14 CFR 91.1095 - Initial and transition training and checking: Flight instructors (aircraft), flight instructors...

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... methods, procedures, and techniques for conducting flight instruction. (4) Proper evaluation of student... unsatisfactory training progress. (6) The approved methods, procedures, and limitations for performing the... instructor certificate— (i) The fundamental principles of the teaching-learning process; (ii) Teaching...

  10. 14 CFR 91.1095 - Initial and transition training and checking: Flight instructors (aircraft), flight instructors...

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... methods, procedures, and techniques for conducting flight instruction. (4) Proper evaluation of student... unsatisfactory training progress. (6) The approved methods, procedures, and limitations for performing the... instructor certificate— (i) The fundamental principles of the teaching-learning process; (ii) Teaching...

  11. 40 CFR Table 2 to Subpart Sssss of... - Operating Limits

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... hour) at or below the maximum organic HAP processing rate established during the most recent... allowable operating temperature for the oxidizer established during the most recent performance test. 6... operating temperature for the oxidizer established during the most recent performance test; and b. Check the...

  12. 40 CFR Table 2 to Subpart Sssss of... - Operating Limits

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... hour) at or below the maximum organic HAP processing rate established during the most recent... allowable operating temperature for the oxidizer established during the most recent performance test. 6... operating temperature for the oxidizer established during the most recent performance test; and b. Check the...

  13. 40 CFR Table 2 to Subpart Sssss of... - Operating Limits

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... hour) at or below the maximum organic HAP processing rate established during the most recent... allowable operating temperature for the oxidizer established during the most recent performance test. 6... operating temperature for the oxidizer established during the most recent performance test; and b. Check the...

  14. Adaptive nitrogen and integrated weed management in conservation agriculture: impacts on agronomic productivity, greenhouse gas emissions, and herbicide residues.

    PubMed

    Oyeogbe, Anthony Imoudu; Das, T K; Bhatia, Arti; Singh, Shashi Bala

    2017-04-01

    Increasing nitrogen (N) immobilization and weed interference in the early phase of implementation of conservation agriculture (CA) affects crop yields. Yet, higher fertilizer and herbicide use to improve productivity influences greenhouse gase emissions and herbicide residues. These tradeoffs precipitated a need for adaptive N and integrated weed management in CA-based maize (Zea mays L.)-wheat [Triticum aestivum (L.) emend Fiori & Paol] cropping system in the Indo-Gangetic Plains (IGP) to optimize N availability and reduce weed proliferation. Adaptive N fertilization was based on soil test value and normalized difference vegetation index measurement (NDVM) by GreenSeeker™ technology, while integrated weed management included brown manuring (Sesbania aculeata L. co-culture, killed at 25 days after sowing), herbicide mixture, and weedy check (control, i.e., without weed management). Results indicated that the 'best-adaptive N rate' (i.e., 50% basal + 25% broadcast at 25 days after sowing + supplementary N guided by NDVM) increased maize and wheat grain yields by 20 and 14% (averaged for 2 years), respectively, compared with whole recommended N applied at sowing. Weed management by brown manuring (during maize) and herbicide mixture (during wheat) resulted in 10 and 21% higher grain yields (averaged for 2 years), respectively, over the weedy check. The NDVM in-season N fertilization and brown manuring affected N 2 O and CO 2 emissions, but resulted in improved carbon storage efficiency, while herbicide residuals in soil were significantly lower in the maize season than in wheat cropping. This study concludes that adaptive N and integrated weed management enhance synergy between agronomic productivity, fertilizer and herbicide efficiency, and greenhouse gas mitigation.

  15. Move me, astonish me… delight my eyes and brain: The Vienna Integrated Model of top-down and bottom-up processes in Art Perception (VIMAP) and corresponding affective, evaluative, and neurophysiological correlates

    NASA Astrophysics Data System (ADS)

    Pelowski, Matthew; Markey, Patrick S.; Forster, Michael; Gerger, Gernot; Leder, Helmut

    2017-07-01

    This paper has a rather audacious purpose: to present a comprehensive theory explaining, and further providing hypotheses for the empirical study of, the multiple ways by which people respond to art. Despite common agreement that interaction with art can be based on a compelling, and occasionally profound, psychological experience, the nature of these interactions is still under debate. We propose a model, The Vienna Integrated Model of Art Perception (VIMAP), with the goal of resolving the multifarious processes that can occur when we perceive and interact with visual art. Specifically, we focus on the need to integrate bottom-up, artwork-derived processes, which have formed the bulk of previous theoretical and empirical assessments, with top-down mechanisms which can describe how individuals adapt or change within their processing experience, and thus how individuals may come to particularly moving, disturbing, transformative, as well as mundane, results. This is achieved by combining several recent lines of theoretical research into a new integrated approach built around three processing checks, which we argue can be used to systematically delineate the possible outcomes in art experience. We also connect our model's processing stages to specific hypotheses for emotional, evaluative, and physiological factors, and address main topics in psychological aesthetics including provocative reactions-chills, awe, thrills, sublime-and difference between ;aesthetic; and ;everyday; emotional response. Finally, we take the needed step of connecting stages to functional regions in the brain, as well as broader core networks that may coincide with the proposed cognitive checks, and which taken together can serve as a basis for future empirical and theoretical art research.

  16. Move me, astonish me… delight my eyes and brain: The Vienna Integrated Model of top-down and bottom-up processes in Art Perception (VIMAP) and corresponding affective, evaluative, and neurophysiological correlates.

    PubMed

    Pelowski, Matthew; Markey, Patrick S; Forster, Michael; Gerger, Gernot; Leder, Helmut

    2017-07-01

    This paper has a rather audacious purpose: to present a comprehensive theory explaining, and further providing hypotheses for the empirical study of, the multiple ways by which people respond to art. Despite common agreement that interaction with art can be based on a compelling, and occasionally profound, psychological experience, the nature of these interactions is still under debate. We propose a model, The Vienna Integrated Model of Art Perception (VIMAP), with the goal of resolving the multifarious processes that can occur when we perceive and interact with visual art. Specifically, we focus on the need to integrate bottom-up, artwork-derived processes, which have formed the bulk of previous theoretical and empirical assessments, with top-down mechanisms which can describe how individuals adapt or change within their processing experience, and thus how individuals may come to particularly moving, disturbing, transformative, as well as mundane, results. This is achieved by combining several recent lines of theoretical research into a new integrated approach built around three processing checks, which we argue can be used to systematically delineate the possible outcomes in art experience. We also connect our model's processing stages to specific hypotheses for emotional, evaluative, and physiological factors, and address main topics in psychological aesthetics including provocative reactions-chills, awe, thrills, sublime-and difference between "aesthetic" and "everyday" emotional response. Finally, we take the needed step of connecting stages to functional regions in the brain, as well as broader core networks that may coincide with the proposed cognitive checks, and which taken together can serve as a basis for future empirical and theoretical art research. Copyright © 2017 Elsevier B.V. All rights reserved.

  17. Integrating data infrastructure to facilitate holistic approach to the investigations of anthropogenic hazards evoked by exploration and exploitation of geo-resources

    NASA Astrophysics Data System (ADS)

    Orlecka-Sikora, Beata; Kwiatek, Grzegorz; Olszewska, Dorota; Lasocki, Stanisław; Gasparini, Paolo; Kozlovskaya, Elena; Nevalainen, Jouni; Schmittbuhl, Jean; Grasso, Jean Robert; Schaming, Marc; Biggare, Pascal; Saccarotti, Gilberto; Garcia, Alexander; Cassidy, Nigel; Toon, Sam; Mutke, Grzegorz; Sterzel, Mariusz; Szepieniec, Tomasz

    2016-04-01

    The EPOS integration plan assumes a significant contribution to the research on anthropogenic hazards (AH) associated with the exploration and exploitation of geo-resources. These problems will be dealt in Thematic Core Service "Anthropogenic Hazards" (TCS AH). TCS AH is based on the prototype built in the framework of the IS-EPOS platform project (https://tcs.ah-epos.eu/), financed from Polish structural funds (POIG.02.03.00-14-090/13-00), with will be further developed within EPOS IP project (H2020-INFRADEV-1-2015-1, INFRADEV-3-2015). TCS AH aims to have a measurable impact on innovative research and development as well as on society by providing comprehensive, wide-scale and high quality AH research infrastructure. One of the main deliverables are numerous comprehensive induced seismicity datasets called "episodes". The episode is a comprehensive data description of a geophysical process, induced or triggered by technological activity, which under certain circumstances can become hazardous for people, infrastructure and the environment. In addition to the six episodes already implemented during the mentioned IS-EPOS project, at least 20 new episodes related to conventional hydrocarbon extraction, reservoir treatment, underground mining and geothermal energy production are being integrated into the e-environment of the TCS AH. The heterogeneous multi-disciplinary data are transformed to unified structures developed within IS-EPOS project, to form integrated and validated datasets. Dedicated visualization tools for multidisciplinary data comprising episodes are also implemented. These tools are capable to aggregate and combine different data types and facilitating specific visualization possibilities (e.g. combining seismic and technological information). The implementation process, tailored for each episode, consists of four steps: (i) Data revision, determination of its accuracy and limitations; (ii) Data preparation and homogenization to follow the TCS AH standards; (iii) Data collection - uploading the data to local data centres and (iv) Metadata preparation. Some web services for efficient data integration and reduction of the possible mistakes, have been already developed. The data sets will be also passing through quality control according to the established quality control scheme. The data quality control workflow includes five steps; the first three are done in the episode provider's local data centre, whereas the next two are accomplished on the TCS AH side: (1) Episode data are transferred to the local data centre; the control group roles are distributed and the workflow observer is appointed; (2) The data are standardized and formats are validated; the completeness and quality of the data is checked; (3) Metadata are prepared according to TCS AH metadata scheme; the published data and metadata are checked; (4) Contextual quality of the data is analysed and episode appears in TCS AH maintenance area; (5) The new episode data is available in TCS AH. TCS AH will also serve as an integration platform for the episodes gathered in the framework of "Shale gas exploration and exploitation induced risks" project (Horizon 2020, call LCE 16-2014).

  18. KSC-2013-3077

    NASA Image and Video Library

    2013-07-22

    HOUSTON - JSC2013e068259 - NASA astronaut Serena Aunon prepares for a fit check evaluation of The Boeing Company's CST-100 spacecraft at the company's Houston Product Support Center. Assisting her is Andrea Gilkey, a human factors engineer with The Boeing Company. Aunon's fit check will help evaluate a crew's maneuverability in the spacecraft and test communications. Boeing's CST-100 is being designed to transport crew members or a mix of crew and cargo to low-Earth-orbit destinations. The evaluation is part of the ongoing work supporting Boeing's funded Space Act Agreement with NASA's Commercial Crew Program, or CCP, during the agency's Commercial Crew Integrated Capability, or CCiCap, initiative. CCiCap is intended to make commercial human spaceflight services available for government and commercial customers. To learn more about CCP, visit http://www.nasa.gov/commercialcrew. Photo credit: NASA/Robert Markowitz

  19. Large deflection elastic-plastic dynamic response of stiffened shells of revolution

    NASA Technical Reports Server (NTRS)

    Stricklin, J. A.; Haisler, W. E.; Vonriesemann, W. A.; Leick, R. D.; Hunsaker, B.; Saczalski, K. J.

    1972-01-01

    The formulation and check out porblems for a computer code DYNAPLAS, which analyzes the large deflection elastic-plastic dynamic response of stiffened shells of revolution, are presented. The formulation for special discretization is by the finite element method with finite differences being used for the evaluation of the pseudo forces due to material and geometric nonlinearities. Time integration is by the Houbolt method. The stiffeners may be due to concentrated or distributed eccentric rings and spring supports at arbitrary angles around the circumference of the elements. Check out porblems include the comparison of solutions from DYNAPLAS with experimental and other computer solutions for rings, conical and cylindrical shells and a curved panel. A hypothetical submarine including stiffeners and missile tube is studied under a combination of hydrostatic and dynamically applied asymmetrical pressure loadings.

  20. Evaluation of supercapacitors for space applications under thermal vacuum conditions

    NASA Astrophysics Data System (ADS)

    Chin, Keith C.; Green, Nelson W.; Brandon, Erik J.

    2018-03-01

    Commercially available supercapacitor cells from three separate vendors were evaluated for use in a space environment using thermal vacuum (Tvac) testing. Standard commercial cells are not hermetically sealed, but feature crimp or double seam seals between the header and the can, which may not maintain an adequate seal under vacuum. Cells were placed in a small vacuum chamber, and cycled between three separate temperature set points. Charging and discharging of cells was executed following each temperature soak, to confirm there was no significant impact on performance. A final electrical performance check, visual inspection and mass check following testing were also performed, to confirm the integrity of the cells had not been compromised during exposure to thermal cycling under vacuum. All cells tested were found to survive this testing protocol and exhibited no significant impact on electrical performance.

  1. Fast Integer Ambiguity Resolution for GPS Attitude Determination

    NASA Technical Reports Server (NTRS)

    Lightsey, E. Glenn; Crassidis, John L.; Markley, F. Landis

    1999-01-01

    In this paper, a new algorithm for GPS (Global Positioning System) integer ambiguity resolution is shown. The algorithm first incorporates an instantaneous (static) integer search to significantly reduce the search space using a geometric inequality. Then a batch-type loss function is used to check the remaining integers in order to determine the optimal integer. This batch function represents the GPS sightline vectors in the body frame as the sum of two vectors, one depending on the phase measurements and the other on the unknown integers. The new algorithm has several advantages: it does not require an a-priori estimate of the vehicle's attitude; it provides an inherent integrity check using a covariance-type expression; and it can resolve the integers even when coplanar baselines exist. The performance of the new algorithm is tested on a dynamic hardware simulator.

  2. Automatic system for ionization chamber current measurements.

    PubMed

    Brancaccio, Franco; Dias, Mauro S; Koskinas, Marina F

    2004-12-01

    The present work describes an automatic system developed for current integration measurements at the Laboratório de Metrologia Nuclear of Instituto de Pesquisas Energéticas e Nucleares. This system includes software (graphic user interface and control) and a module connected to a microcomputer, by means of a commercial data acquisition card. Measurements were performed in order to check the performance and for validating the proposed design.

  3. Experience with Adaptive Security Policies.

    DTIC Science & Technology

    1998-03-01

    3.1 Introduction r: 3.2 Logical Groupings of audited permission checks 29 3.3 Auditing of system servers via microkernel snooping 31 3.4...performed by servers other than the microkernel . Since altering each server to audit events would complicate the integration of new servers, a...modification to the microkernel was implemented to allow the microkernel to audit the requests made of other servers. Both methods for enhancing audit

  4. ISS Expedition 42 / 43 Soyuz Spacecraft and Crew Preparations for Launch

    NASA Image and Video Library

    2014-11-26

    NASA TV (NTV) video file of crewmembers Terry Virts, Anton Shkaplerov (Roskosmos) and Samantha Cristoforetti (ESA) during final fit check of the Soyuz TMA 15M spacedraft at the Integration Facility, Baikonurk, Kazakhstan. Includes footage of the crew climbing into the Soyuz spacecraft, interviews, visit to museum where the crew sign posters and a flag; flag raising ceremony; and visit to mating facility.

  5. jsc2016e109765

    NASA Image and Video Library

    2016-09-09

    At the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 49 crewmember Shane Kimbrough of NASA undergoes a pressure test on his Sokol launch and entry suit Sept. 9 during a pre-launch training fit check. Kimbrough and Sergey Ryzhikov and Andrey Borisenko of Roscosmos will launch Sept. 24, Kazakh time on the Soyuz MS-02 vehicle for a five-month mission on the International Space Station. NASA/Victor Zelentsov

  6. International Workshop on Discrete Time Domain Modelling of Electromagnetic Fields and Networks (2nd) Held in Berlin, Germany on October 28-29, 1993

    DTIC Science & Technology

    1993-10-29

    natural logarithm of the ratio of two maxima a period apart. Both methods are based on the results from the numerical integration. The details of this...check and okay member funtions are for sofware handshaking between the client and sever pracrss. Finally, the Forward function is used to initiate a

  7. An Empirical Methodology for Engineering Human Systems Integration

    DTIC Science & Technology

    2009-12-01

    scanning critical information and selectively skipping what is not important for the immediate task. This learned skill is called a proper “cross check...ability to recover from errors. Efficiency: the level of productivity that can be achieved once learning has occurred. 162 Learnability: the...use, to legacy systems. Knowing what design issues have plagued past operators can guide the generation of requirements to address the identified

  8. CheckM: assessing the quality of microbial genomes recovered from isolates, single cells, and metagenomes

    PubMed Central

    Parks, Donovan H.; Imelfort, Michael; Skennerton, Connor T.; Hugenholtz, Philip; Tyson, Gene W.

    2015-01-01

    Large-scale recovery of genomes from isolates, single cells, and metagenomic data has been made possible by advances in computational methods and substantial reductions in sequencing costs. Although this increasing breadth of draft genomes is providing key information regarding the evolutionary and functional diversity of microbial life, it has become impractical to finish all available reference genomes. Making robust biological inferences from draft genomes requires accurate estimates of their completeness and contamination. Current methods for assessing genome quality are ad hoc and generally make use of a limited number of “marker” genes conserved across all bacterial or archaeal genomes. Here we introduce CheckM, an automated method for assessing the quality of a genome using a broader set of marker genes specific to the position of a genome within a reference genome tree and information about the collocation of these genes. We demonstrate the effectiveness of CheckM using synthetic data and a wide range of isolate-, single-cell-, and metagenome-derived genomes. CheckM is shown to provide accurate estimates of genome completeness and contamination and to outperform existing approaches. Using CheckM, we identify a diverse range of errors currently impacting publicly available isolate genomes and demonstrate that genomes obtained from single cells and metagenomic data vary substantially in quality. In order to facilitate the use of draft genomes, we propose an objective measure of genome quality that can be used to select genomes suitable for specific gene- and genome-centric analyses of microbial communities. PMID:25977477

  9. CheckM: assessing the quality of microbial genomes recovered from isolates, single cells, and metagenomes.

    PubMed

    Parks, Donovan H; Imelfort, Michael; Skennerton, Connor T; Hugenholtz, Philip; Tyson, Gene W

    2015-07-01

    Large-scale recovery of genomes from isolates, single cells, and metagenomic data has been made possible by advances in computational methods and substantial reductions in sequencing costs. Although this increasing breadth of draft genomes is providing key information regarding the evolutionary and functional diversity of microbial life, it has become impractical to finish all available reference genomes. Making robust biological inferences from draft genomes requires accurate estimates of their completeness and contamination. Current methods for assessing genome quality are ad hoc and generally make use of a limited number of "marker" genes conserved across all bacterial or archaeal genomes. Here we introduce CheckM, an automated method for assessing the quality of a genome using a broader set of marker genes specific to the position of a genome within a reference genome tree and information about the collocation of these genes. We demonstrate the effectiveness of CheckM using synthetic data and a wide range of isolate-, single-cell-, and metagenome-derived genomes. CheckM is shown to provide accurate estimates of genome completeness and contamination and to outperform existing approaches. Using CheckM, we identify a diverse range of errors currently impacting publicly available isolate genomes and demonstrate that genomes obtained from single cells and metagenomic data vary substantially in quality. In order to facilitate the use of draft genomes, we propose an objective measure of genome quality that can be used to select genomes suitable for specific gene- and genome-centric analyses of microbial communities. © 2015 Parks et al.; Published by Cold Spring Harbor Laboratory Press.

  10. Chapman-Enskog expansion for the Vicsek model of self-propelled particles

    NASA Astrophysics Data System (ADS)

    Ihle, Thomas

    2016-08-01

    Using the standard Vicsek model, I show how the macroscopic transport equations can be systematically derived from microscopic collision rules. The approach starts with the exact evolution equation for the N-particle probability distribution and, after making the mean-field assumption of molecular chaos, leads to a multi-particle Enskog-type equation. This equation is treated by a non-standard Chapman-Enskog expansion to extract the macroscopic behavior. The expansion includes terms up to third order in a formal expansion parameter ɛ, and involves a fast time scale. A self-consistent closure of the moment equations is presented that leads to a continuity equation for the particle density and a Navier-Stokes-like equation for the momentum density. Expressions for all transport coefficients in these macroscopic equations are given explicitly in terms of microscopic parameters of the model. The transport coefficients depend on specific angular integrals which are evaluated asymptotically in the limit of infinitely many collision partners, using an analogy to a random walk. The consistency of the Chapman-Enskog approach is checked by an independent calculation of the shear viscosity using a Green-Kubo relation.

  11. Fine grained event processing on HPCs with the ATLAS Yoda system

    NASA Astrophysics Data System (ADS)

    Calafiura, Paolo; De, Kaushik; Guan, Wen; Maeno, Tadashi; Nilsson, Paul; Oleynik, Danila; Panitkin, Sergey; Tsulaia, Vakhtang; Van Gemmeren, Peter; Wenaus, Torre

    2015-12-01

    High performance computing facilities present unique challenges and opportunities for HEP event processing. The massive scale of many HPC systems means that fractionally small utilization can yield large returns in processing throughput. Parallel applications which can dynamically and efficiently fill any scheduling opportunities the resource presents benefit both the facility (maximal utilization) and the (compute-limited) science. The ATLAS Yoda system provides this capability to HEP-like event processing applications by implementing event-level processing in an MPI-based master-client model that integrates seamlessly with the more broadly scoped ATLAS Event Service. Fine grained, event level work assignments are intelligently dispatched to parallel workers to sustain full utilization on all cores, with outputs streamed off to destination object stores in near real time with similarly fine granularity, such that processing can proceed until termination with full utilization. The system offers the efficiency and scheduling flexibility of preemption without requiring the application actually support or employ check-pointing. We will present the new Yoda system, its motivations, architecture, implementation, and applications in ATLAS data processing at several US HPC centers.

  12. An e-caring chair for physiological signal measurement and recording.

    PubMed

    Chang, Hsien-Tsung; Chung, Chyan-Goei; Chen, Ming-Wei

    2013-02-01

    There is an increasing awareness among the populace of the need for regular health check-up to detect diseases in their early stages and thereby administer treatments in a timely fashion. However, commercially available physiological signal monitoring devices, which may offer clues on the onset of diseases, are time-consuming, far from user friendly and limited in their applications. We design an e-caring chair that combines six modular physiological signal measurement instruments into a single unit, enabling users to simultaneously measure the blood pressure, body temperature, heart rate, height, weight and body fat percentage, and display the results and simple diagnoses in real time. The e-caring chair further allows for easy integration of additional physiological signal measuring devices, speedy measurements and long term monitoring of any trends that may emerge, making it easier for users to be alerted to physiological changes in the body without the need to enlist assistance from medical personnel. In this paper, we describe how this e-caring chair can be placed in several different environments for different purposes. Copyright © 2011 IPEM. Published by Elsevier Ltd. All rights reserved.

  13. VIV analysis of pipelines under complex span conditions

    NASA Astrophysics Data System (ADS)

    Wang, James; Steven Wang, F.; Duan, Gang; Jukes, Paul

    2009-06-01

    Spans occur when a pipeline is laid on a rough undulating seabed or when upheaval buckling occurs due to constrained thermal expansion. This not only results in static and dynamic loads on the flowline at span sections, but also generates vortex induced vibration (VIV), which can lead to fatigue issues. The phenomenon, if not predicted and controlled properly, will negatively affect pipeline integrity, leading to expensive remediation and intervention work. Span analysis can be complicated by: long span lengths, a large number of spans caused by a rough seabed, and multi-span interactions. In addition, the complexity can be more onerous and challenging when soil uncertainty, concrete degradation and unknown residual lay tension are considered in the analysis. This paper describes the latest developments and a ‘state-of-the-art’ finite element analysis program that has been developed to simulate the span response of a flowline under complex boundary and loading conditions. Both VIV and direct wave loading are captured in the analysis and the results are sequentially used for the ultimate limit state (ULS) check and fatigue life calculation.

  14. Studying the fundamental limit of optical fiber links to the 10-21 level.

    PubMed

    Xu, Dan; Lee, Won-Kyu; Stefani, Fabio; Lopez, Olivier; Amy-Klein, Anne; Pottie, Paul-Eric

    2018-04-16

    We present a hybrid fiber link combining effective optical frequency transfer and evaluation of performances with a self-synchronized two-way comparison. It enables us to detect the round-trip fiber noise and each of the forward and backward one-way fiber noises simultaneously. The various signals acquired with this setup allow us to study quantitatively several properties of optical fiber links. We check the reciprocity of the accumulated noise forth and back over a bi-directional fiber to the level of 3.1(±3.9) × 10 -20 based on a 160000s continuous data. We also analyze the noise correlation between two adjacent fibers and show the first experimental evidence of interferometric noise at very low Fourier frequency. We estimate redundantly and consistently the stability and accuracy of the transferred optical frequency over 43 km at 4 × 10 -21 level after 16 days of integration and demonstrate that a frequency comparison with instability as low as 8 × 10 -18 would be achievable with uni-directional fibers in urban area.

  15. Kinematical line broadening and spatially resolved line profiles from AGN.

    NASA Astrophysics Data System (ADS)

    Schulz, H.; Muecke, A.; Boer, B.; Dresen, M.; Schmidt-Kaler, T.

    1995-03-01

    We study geometrical effects for emission-line broadening in the optically thin limit by integrating the projected line emissivity along prespecified lines of sight that intersect rotating or expanding disks or cone-like configurations. Analytical expressions are given for the case that emissivity and velocity follow power laws of the radial distance. The results help to interpret spatially resolved spectra and to check the reliability of numerical computations. In the second part we describe a numerical code applicable to any geometrical configuration. Turbulent motions, atmospheric seeing and effects induced by the size of the observing aperture are simulated with appropriate convolution procedures. An application to narrow-line Hα profiles from the central region of the Seyfert galaxy NGC 7469 is presented. The shapes and asymmetries as well as the relative strengths of the Hα lines from different spatial positions can be explained by emission from a nuclear rotating disk of ionized gas, for which the distribution of Hα line emissivity and the rotation curve are derived. Appreciable turbulent line broadening with a Gaussian σ of ~40% of the rotational velocity has to be included to obtain a satisfactory fit.

  16. High precision innovative micropump for artificial pancreas

    NASA Astrophysics Data System (ADS)

    Chappel, E.; Mefti, S.; Lettieri, G.-L.; Proennecke, S.; Conan, C.

    2014-03-01

    The concept of artificial pancreas, which comprises an insulin pump, a continuous glucose meter and a control algorithm, is a major step forward in managing patient with type 1 diabetes mellitus. The stability of the control algorithm is based on short-term precision micropump to deliver rapid-acting insulin and to specific integrated sensors able to monitor any failure leading to a loss of accuracy. Debiotech's MEMS micropump, based on the membrane pump principle, is made of a stack of 3 silicon wafers. The pumping chamber comprises a pillar check-valve at the inlet, a pumping membrane which is actuated against stop limiters by a piezo cantilever, an anti-free-flow outlet valve and a pressure sensor. The micropump inlet is tightly connected to the insulin reservoir while the outlet is in direct communication with the patient skin via a cannula. To meet the requirement of a pump dedicated to closed-loop application for diabetes care, in addition to the well-controlled displacement of the pumping membrane, the high precision of the micropump is based on specific actuation profiles that balance effect of pump elasticity in low-consumption push-pull mode.

  17. 46 CFR 162.050-33 - Bilge alarm: Design specification.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ..., however, onboard testing in accordance with the manufacturer's operating instructions is permitted for the purposes of checking instrument drift and repeatability of the instrument reading, as well as the ability to re-zero the instrument. The accuracy of the readings must at all times remain within the limits...

  18. 14 CFR 125.221 - Icing conditions: Operating limitations.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... airplane that has frost, ice, or snow adhering to any propeller, windshield, stabilizing or control surface; to a powerplant installation; or to an airspeed, altimeter, rate of climb, flight attitude instrument... is a check to make sure the wings and control surfaces are free of frost, ice, or snow. (2) The...

  19. 14 CFR 125.221 - Icing conditions: Operating limitations.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... airplane that has frost, ice, or snow adhering to any propeller, windshield, stabilizing or control surface; to a powerplant installation; or to an airspeed, altimeter, rate of climb, flight attitude instrument... is a check to make sure the wings and control surfaces are free of frost, ice, or snow. (2) The...

  20. 14 CFR 125.221 - Icing conditions: Operating limitations.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... airplane that has frost, ice, or snow adhering to any propeller, windshield, stabilizing or control surface; to a powerplant installation; or to an airspeed, altimeter, rate of climb, flight attitude instrument... is a check to make sure the wings and control surfaces are free of frost, ice, or snow. (2) The...

  1. 14 CFR 125.221 - Icing conditions: Operating limitations.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... airplane that has frost, ice, or snow adhering to any propeller, windshield, stabilizing or control surface; to a powerplant installation; or to an airspeed, altimeter, rate of climb, flight attitude instrument... is a check to make sure the wings and control surfaces are free of frost, ice, or snow. (2) The...

  2. Cognitive Style Mapping at Mt. Hood Community College.

    ERIC Educational Resources Information Center

    Keyser, John S.

    1980-01-01

    Describes Mount Hood Community College's experiences using the Modified Hill Model for Cognitive Style Mapping (CSM). Enumerates the nine dimensions of cognitive style assessed by the model. Discusses the value and limitations of CSM, five major checks on the validity of the model, and Mount Hood faculty's involvement with CSM. (AYC)

  3. 78 FR 17865 - Airworthiness Directives; PILATUS AIRCRAFT LTD. Airplanes

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-03-25

    ... TBO were moved from Chapter 5: Time Limits/Maintenance Checks, to Chapter 4: Structural, Component and... Directives; PILATUS AIRCRAFT LTD. Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final... all PILATUS AIRCRAFT LTD. Models PC-12, PC-12/45, and PC-12/47 airplanes. This AD results from...

  4. 46 CFR 61.30-20 - Automatic control and safety tests.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 46 Shipping 2 2013-10-01 2013-10-01 false Automatic control and safety tests. 61.30-20 Section 61.30-20 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) MARINE ENGINEERING PERIODIC... and safety tests. Operational tests and checks of all safety and limit controls, combustion controls...

  5. 46 CFR 61.30-20 - Automatic control and safety tests.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 46 Shipping 2 2014-10-01 2014-10-01 false Automatic control and safety tests. 61.30-20 Section 61.30-20 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) MARINE ENGINEERING PERIODIC... and safety tests. Operational tests and checks of all safety and limit controls, combustion controls...

  6. 46 CFR 61.30-20 - Automatic control and safety tests.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 46 Shipping 2 2011-10-01 2011-10-01 false Automatic control and safety tests. 61.30-20 Section 61.30-20 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) MARINE ENGINEERING PERIODIC... and safety tests. Operational tests and checks of all safety and limit controls, combustion controls...

  7. 46 CFR 61.35-3 - Required tests and checks.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... heaters without water level controls) must be tested by interrupting the feed water supply. Manual reset... alarm and visible indicator must be verified. The shutdown times must be verified. (3) Fuel supply... draft loss interlock switch must be tested to ensure proper operation. The draft limit control must...

  8. 14 CFR 250.5 - Amount of denied boarding compensation for passengers denied boarding involuntarily.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ..., DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS) ECONOMIC REGULATIONS OVERSALES § 250.5 Amount of denied... transportation benefit and receive the cash/check payment; and (3) The carrier fully discloses all material restrictions, including but not limited to, administrative fees, advance purchase or capacity restrictions, and...

  9. 14 CFR 250.5 - Amount of denied boarding compensation for passengers denied boarding involuntarily.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ..., DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS) ECONOMIC REGULATIONS OVERSALES § 250.5 Amount of denied... transportation benefit and receive the cash/check payment; and (3) The carrier fully discloses all material restrictions, including but not limited to, administrative fees, advance purchase or capacity restrictions, and...

  10. 14 CFR 250.5 - Amount of denied boarding compensation for passengers denied boarding involuntarily.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ..., DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS) ECONOMIC REGULATIONS OVERSALES § 250.5 Amount of denied... transportation benefit and receive the cash/check payment; and (3) The carrier fully discloses all material restrictions, including but not limited to, administrative fees, advance purchase or capacity restrictions, and...

  11. Health Literacy and Women's Health-Related Behaviors in Taiwan

    ERIC Educational Resources Information Center

    Lee, Shoou-Yih D.; Tsai, Tzu-I; Tsai, Yi-Wen; Kuo, Ken N.

    2012-01-01

    Extant health literacy research is unclear about the contribution of health literacy to health behaviors and is limited regarding women's health issues. The primary purpose of this study is to investigate the association between health literacy and five health behaviors (Pap smear screening, annual physical checkup, smoking, checking food…

  12. 77 FR 15813 - Preoperational Testing of Instrument and Control Air Systems

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-03-16

    ... seismic requirement, ICAS air-dryer testing to meet dew point design requirements, ICAS accumulator check... ensure consideration only for comments received on or before this date. Although a time limit is given... improvements in all published guides are encouraged at any time. ADDRESSES: You may access information and...

  13. Science and Public Policy since World War II.

    ERIC Educational Resources Information Center

    Rossiter, Margaret W.

    1985-01-01

    Discusses: material/personnel shortages and surpluses around 1950; federal aid to nonmilitary research; loyalty oaths and security checks; rise of the behavioral sciences; science education, from the Cold War to creationism; antinuclear protests and the limited test ban treaty, 1954-1963; Sputnik and the space program; and health, safety, and…

  14. 14 CFR 135.340 - Initial and transition training and checking: Flight instructors (aircraft), flight instructors...

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... principles of the teaching-learning process; (ii) Teaching methods and procedures; and (iii) The instructor... certificate holder's policies and procedures. (3) The applicable methods, procedures, and techniques for... approved methods, procedures, and limitations for performing the required normal, abnormal, and emergency...

  15. 14 CFR 135.340 - Initial and transition training and checking: Flight instructors (aircraft), flight instructors...

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... principles of the teaching-learning process; (ii) Teaching methods and procedures; and (iii) The instructor... certificate holder's policies and procedures. (3) The applicable methods, procedures, and techniques for... approved methods, procedures, and limitations for performing the required normal, abnormal, and emergency...

  16. 14 CFR 135.340 - Initial and transition training and checking: Flight instructors (aircraft), flight instructors...

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... principles of the teaching-learning process; (ii) Teaching methods and procedures; and (iii) The instructor... certificate holder's policies and procedures. (3) The applicable methods, procedures, and techniques for... approved methods, procedures, and limitations for performing the required normal, abnormal, and emergency...

  17. 14 CFR 135.340 - Initial and transition training and checking: Flight instructors (aircraft), flight instructors...

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... principles of the teaching-learning process; (ii) Teaching methods and procedures; and (iii) The instructor... certificate holder's policies and procedures. (3) The applicable methods, procedures, and techniques for... approved methods, procedures, and limitations for performing the required normal, abnormal, and emergency...

  18. 14 CFR 135.340 - Initial and transition training and checking: Flight instructors (aircraft), flight instructors...

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... principles of the teaching-learning process; (ii) Teaching methods and procedures; and (iii) The instructor... certificate holder's policies and procedures. (3) The applicable methods, procedures, and techniques for... approved methods, procedures, and limitations for performing the required normal, abnormal, and emergency...

  19. 10 CFR 35.642 - Periodic spot-checks for teletherapy units.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... coincidence of the radiation field and the field indicated by the light beam localizing device; (4) The... to assure proper operation of— (1) Electrical interlocks at each teletherapy room entrance; (2) Electrical or mechanical stops installed for the purpose of limiting use of the primary beam of radiation...

  20. 40 CFR 89.320 - Carbon monoxide analyzer calibration.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... monoxide as described in this section. (b) Initial and periodic interference check. Prior to its... engineering practice. For each range calibrated, if the deviation from a least-squares best-fit straight line... range. If the deviation exceeds these limits, the best-fit non-linear equation which represents the data...

  1. 40 CFR 89.320 - Carbon monoxide analyzer calibration.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... monoxide as described in this section. (b) Initial and periodic interference check. Prior to its... engineering practice. For each range calibrated, if the deviation from a least-squares best-fit straight line... range. If the deviation exceeds these limits, the best-fit non-linear equation which represents the data...

  2. 40 CFR 89.320 - Carbon monoxide analyzer calibration.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... monoxide as described in this section. (b) Initial and periodic interference check. Prior to its... engineering practice. For each range calibrated, if the deviation from a least-squares best-fit straight line... range. If the deviation exceeds these limits, the best-fit non-linear equation which represents the data...

  3. 40 CFR 89.320 - Carbon monoxide analyzer calibration.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... monoxide as described in this section. (b) Initial and periodic interference check. Prior to its... engineering practice. For each range calibrated, if the deviation from a least-squares best-fit straight line... range. If the deviation exceeds these limits, the best-fit non-linear equation which represents the data...

  4. 32 CFR Attachment C to Subpart B... - Standard C-Single Scope Background Investigation Periodic Reinvestigation (SSBI-PR)

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... social knowledge of the subject and collectively span the entire period of the reinvestigation. As..., employment, or education exceeds six months, local agency checks should be performed as deemed appropriate... or to resolve issues, including but not limited to cohabitants, relatives, psychiatrists...

  5. 32 CFR Attachment C to Subpart B... - Standard C-Single Scope Background Investigation Periodic Reinvestigation (SSBI-PR)

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... social knowledge of the subject and collectively span the entire period of the reinvestigation. As..., employment, or education exceeds six months, local agency checks should be performed as deemed appropriate... or to resolve issues, including but not limited to cohabitants, relatives, psychiatrists...

  6. 32 CFR Attachment C to Subpart B... - Standard C-Single Scope Background Investigation Periodic Reinvestigation (SSBI-PR)

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... social knowledge of the subject and collectively span the entire period of the reinvestigation. As..., employment, or education exceeds six months, local agency checks should be performed as deemed appropriate... or to resolve issues, including but not limited to cohabitants, relatives, psychiatrists...

  7. Optical alignment of electrodes on electrical discharge machines

    NASA Technical Reports Server (NTRS)

    Boissevain, A. G.; Nelson, B. W.

    1972-01-01

    Shadowgraph system projects magnified image on screen so that alignment of small electrodes mounted on electrical discharge machines can be corrected and verified. Technique may be adapted to other machine tool equipment where physical contact cannot be made during inspection and access to tool limits conventional runout checking procedures.

  8. Integrating technology to improve medication administration.

    PubMed

    Prusch, Amanda E; Suess, Tina M; Paoletti, Richard D; Olin, Stephen T; Watts, Starann D

    2011-05-01

    The development, implementation, and evaluation of an i.v. interoperability program to advance medication safety at the bedside are described. I.V. interoperability integrates intelligent infusion devices (IIDs), the bar-code-assisted medication administration system, and the electronic medication administration record system into a bar-code-driven workflow that populates provider-ordered, pharmacist-validated infusion parameters on IIDs. The purpose of this project was to improve medication safety through the integration of these technologies and decrease the potential for error during i.v. medication administration. Four key phases were essential to developing and implementing i.v. interoperability: (a) preparation, (b) i.v. interoperability pilot, (c) preliminary validation, and (d) expansion. The establishment of pharmacy involvement in i.v. interoperability resulted in two additional safety checks: pharmacist infusion rate oversight and nurse independent validation of the autoprogrammed rate. After instituting i.v. interoperability, monthly compliance to the telemetry drug library increased to a mean ± S.D. of 72.1% ± 2.1% from 56.5% ± 1.5%, and the medical-surgical nursing unit's drug library monthly compliance rate increased to 58.6% ± 2.9% from 34.1% ± 2.6% (p < 0.001 for both comparisons). The number of manual pump edits decreased with both telemetry and medical-surgical drug libraries, demonstrating a reduction from 56.9 ± 12.8 to 14.2 ± 3.9 and from 61.2 ± 15.4 to 14.7 ± 3.8, respectively (p < 0.001 for both comparisons). Through the integration and incorporation of pharmacist oversight for rate changes, the telemetry and medical-surgical patient care areas demonstrated a 32% reduction in reported monthly errors involving i.v. administration of heparin. By integrating two stand-alone technologies, i.v. interoperability was implemented to improve medication administration. Medication errors were reduced, nursing workflow was simplified, and pharmacists became involved in checking infusion rates of i.v. medications.

  9. SU-F-T-32: Evaluation of the Performance of a Multiple-Array-Diode Detector for Quality Assurance Tests in High-Dose-Rate Brachytherapy with Ir-192 Source

    DOE Office of Scientific and Technical Information (OSTI.GOV)

    Harpool, K; De La Fuente Herman, T; Ahmad, S

    Purpose: To evaluate the performance of a two-dimensional (2D) array-diode- detector for geometric and dosimetric quality assurance (QA) tests of high-dose-rate (HDR) brachytherapy with an Ir-192-source. Methods: A phantom setup was designed that encapsulated a two-dimensional (2D) array-diode-detector (MapCheck2) and a catheter for the HDR brachytherapy Ir-192 source. This setup was used to perform both geometric and dosimetric quality assurance for the HDR-Ir192 source. The geometric tests included: (a) measurement of the position of the source and (b) spacing between different dwell positions. The dosimteric tests include: (a) linearity of output with time, (b) end effect and (c) relative dosemore » verification. The 2D-dose distribution measured with MapCheck2 was used to perform the previous tests. The results of MapCheck2 were compared with the corresponding quality assurance testes performed with Gafchromic-film and well-ionization-chamber. Results: The position of the source and the spacing between different dwell-positions were reproducible within 1 mm accuracy by measuring the position of maximal dose using MapCheck2 in contrast to the film which showed a blurred image of the dwell positions due to limited film sensitivity to irradiation. The linearity of the dose with dwell times measured from MapCheck2 was superior to the linearity measured with ionization chamber due to higher signal-to-noise ratio of the diode readings. MapCheck2 provided more accurate measurement of the end effect with uncertainty < 1.5% in comparison with the ionization chamber uncertainty of 3%. Although MapCheck2 did not provide absolute calibration dosimeter for the activity of the source, it provided accurate tool for relative dose verification in HDR-brachytherapy. Conclusion: The 2D-array-diode-detector provides a practical, compact and accurate tool to perform quality assurance for HDR-brachytherapy with an Ir-192 source. The diodes in MapCheck2 have high radiation sensitivity and linearity that is superior to Gafchromic-films and ionization chamber used for geometric and dosimetric QA in HDR-brachytherapy, respectively.« less

  10. Uptake of health checks by residents from the Danish social housing sector - a register-based cross-sectional study of patient characteristics in the 'Your Life - Your Health' program.

    PubMed

    Larsen, Lars Bruun; Sandbaek, Annelli; Thomsen, Janus Laust; Bjerregaard, Anne-Louise

    2018-05-02

    Poor uptake among socio-economically disadvantaged and susceptible populations is a well-known challenge of general health check interventions, and is widely cited as one of the reasons for the lack of population level effects seen in many studies. We report on patient characteristics among attendees and non-attendees of health checks made available to residents in the social housing sector of the municipality of Aarhus. We focus on this general population, as well as a particular sub-group living in an exceptionally deprived social housing area, and discuss the properties of intervention uptake that we need to be aware of to qualify and compare the effects of general versus targeted health checks in socially deprived areas. Cross-sectionally in a sample of 6650 residents of the Aarhus social housing sector who were invited for a health check in the first year of the 'Your Life - Your Health' program. The analyses consisted of 1) descriptive analysis of the characteristics of attenders/non-attenders, 2) unadjusted and adjusted Poisson regression to examine associations of patient characteristics and uptake of health checks, and 3) decision tree analyses (CHAID) to examine interaction and homogeneity in patient characteristics among attenders. Of the overall population 30% attended. In a nested cohort of people residing in a particularly deprived social housing settlement, 25% attended. Further, in the overall population, we found an association between the likelihood of taking up a health check and age, sex, country of origin, educational attainment, cohabitation, occupational status, and past medical treatment. In the nested cohort the association between uptake and medical treatment was non-significant, while the association between uptake and occupation was limited to people who were employed. These results resonate with past evidence on health check attendance. Attendance in the 'Your Life - Your Health' program is higher among people of a higher socio-economic status. This should be taken into consideration when analysing and interpreting the overall study effects. Moreover, the results suggest that a targeted approach in the social housing sector could be more effective than a mass screening approach. However, more information is required to make such assertion definitive.

  11. Differential Galois theory and non-integrability of planar polynomial vector fields

    NASA Astrophysics Data System (ADS)

    Acosta-Humánez, Primitivo B.; Lázaro, J. Tomás; Morales-Ruiz, Juan J.; Pantazi, Chara

    2018-06-01

    We study a necessary condition for the integrability of the polynomials vector fields in the plane by means of the differential Galois Theory. More concretely, by means of the variational equations around a particular solution it is obtained a necessary condition for the existence of a rational first integral. The method is systematic starting with the first order variational equation. We illustrate this result with several families of examples. A key point is to check whether a suitable primitive is elementary or not. Using a theorem by Liouville, the problem is equivalent to the existence of a rational solution of a certain first order linear equation, the Risch equation. This is a classical problem studied by Risch in 1969, and the solution is given by the "Risch algorithm". In this way we point out the connection of the non integrability with some higher transcendent functions, like the error function.

  12. Remote preenrollment checking of consent forms to reduce nonconformity.

    PubMed

    Journot, Valérie; Pérusat-Villetorte, Sophie; Bouyssou, Caroline; Couffin-Cadiergues, Sandrine; Tall, Aminata; Chêne, Geneviève

    2013-01-01

    In biomedical research, the signed consent form must be checked for compliance with regulatory requirements. Checking usually is performed on site, most frequently after a participant's final enrollment. We piloted a procedure for remote preenrollment consent forms checking. We applied it in five trials and assessed its efficiency to reduce form nonconformity before participant enrollment. Our clinical trials unit (CTU) routinely uses a consent form with an additional copy that contains a pattern that partially masks the participant's name and signature. After completion and signatures by the participant and investigator, this masked copy is faxed to the CTU for checking. In case of detected nonconformity, the CTU suspends the participant's enrollment until the form is brought into compliance. We checked nonconformities of consent forms both remotely before enrollment and on site in five trials conducted in our CTU. We tabulated the number and nature of nonconformities by location of detection: at the CTU or on site. We used these data for a pseudo before-and-after analysis and estimated the efficiency of this remote checking procedure in terms of reduction of nonconformities before enrollment as compared to the standard on-site checking procedure. We searched for nonconformity determinants among characteristics of trials, consent forms, investigator sites, and participants through multivariate logistic regression so as to identify opportunities for improvement in our procedure. Five trials, starting sequentially but running concurrently, with remote preenrollment and on-site checking of consent forms from 415 participants screened in 2006-2009 led to 518 consent forms checked; 94 nonconformities were detected in 75 forms, 75 (80%) remotely and 19 more (20%) on site. Nonconformities infrequently concerned dates of signatures (7%) and information about participants (12%). Most nonconformities dealt with investigator information (76%), primarily contact information (54%). The procedure reduced nonconformities by 81% (95% confidence interval (CI): 73%-89%) before enrollment. Nonconforming consent forms dropped from 25% to 0% over the period, indicating a rapid learning effect between trials. Fewer nonconformities were observed for participants screened later in a trial (odds ratio (95% CI): 0.5 (0.3-0.8); p = 0.004), indicating a learning effect within trials. Nonconformities were more common for participants enrolled after screening (2.4 (1.1-5.3); p = 0.03), indicating a stricter scrutiny by form checkers. Although our study had a pseudo before-and-after design, no major bias was identified. Power and generalizability of our findings were sufficient to support implementation in future trials. This procedure substantially limited nonconformity of consent forms with regulatory requirements before enrollment, thus proving a key component of a risk-based monitoring strategy that has been recommended to optimize resources for clinical research.

  13. Full implementation of a distributed hydrological model based on check dam trapped sediment volumes

    NASA Astrophysics Data System (ADS)

    Bussi, Gianbattista; Francés, Félix

    2014-05-01

    Lack of hydrometeorological data is one of the most compelling limitations to the implementation of distributed environmental models. Mediterranean catchments, in particular, are characterised by high spatial variability of meteorological phenomena and soil characteristics, which may prevents from transferring model calibrations from a fully gauged catchment to a totally o partially ungauged one. For this reason, new sources of data are required in order to extend the use of distributed models to non-monitored or low-monitored areas. An important source of information regarding the hydrological and sediment cycle is represented by sediment deposits accumulated at the bottom of reservoirs. Since the 60s, reservoir sedimentation volumes were used as proxy data for the estimation of inter-annual total sediment yield rates, or, in more recent years, as a reference measure of the sediment transport for sediment model calibration and validation. Nevertheless, the possibility of using such data for constraining the calibration of a hydrological model has not been exhaustively investigated so far. In this study, the use of nine check dam reservoir sedimentation volumes for hydrological and sedimentological model calibration and spatio-temporal validation was examined. Check dams are common structures in Mediterranean areas, and are a potential source of spatially distributed information regarding both hydrological and sediment cycle. In this case-study, the TETIS hydrological and sediment model was implemented in a medium-size Mediterranean catchment (Rambla del Poyo, Spain) by taking advantage of sediment deposits accumulated behind the check dams located in the catchment headwaters. Reservoir trap efficiency was taken into account by coupling the TETIS model with a pond trap efficiency model. The model was calibrated by adjusting some of its parameters in order to reproduce the total sediment volume accumulated behind a check dam. Then, the model was spatially validated by obtaining the simulated sedimentation volume at the other eight check dams and comparing it to the observed sedimentation volumes. Lastly, the simulated water discharge at the catchment outlet was compared with observed water discharge records in order to check the hydrological sub-model behaviour. Model results provided highly valuable information concerning the spatial distribution of soil erosion and sediment transport. Spatial validation of the sediment sub-model provided very good results at seven check dams out of nine. This study shows that check dams can be a useful tool also for constraining hydrological model calibration, as model results agree with water discharge observations. In fact, the hydrological model validation at a downstream water flow gauge obtained a Nash-Sutcliffe efficiency of 0.8. This technique is applicable to all catchments with presence of check dams, and only requires rainfall and temperature data and soil characteristics maps.

  14. Security in the CernVM File System and the Frontier Distributed Database Caching System

    NASA Astrophysics Data System (ADS)

    Dykstra, D.; Blomer, J.

    2014-06-01

    Both the CernVM File System (CVMFS) and the Frontier Distributed Database Caching System (Frontier) distribute centrally updated data worldwide for LHC experiments using http proxy caches. Neither system provides privacy or access control on reading the data, but both control access to updates of the data and can guarantee the authenticity and integrity of the data transferred to clients over the internet. CVMFS has since its early days required digital signatures and secure hashes on all distributed data, and recently Frontier has added X.509-based authenticity and integrity checking. In this paper we detail and compare the security models of CVMFS and Frontier.

  15. Assembly and method for testing the integrity of stuffing tubes

    DOEpatents

    Morrison, Edward Francis

    1997-01-01

    A stuffing tube integrity checking assembly includes first and second annular seals, with each seal adapted to be positioned about a stuffing tube penetration component. An annular inflation bladder is provided, the bladder having a slot extending longitudinally therealong and including a separator for sealing the slot. A first valve is in fluid communication with the bladder for introducing pressurized fluid to the space defined by the bladder when mounted about the tube. First and second releasible clamps are provided. Each clamp assembly is positioned about the bladder for securing the bladder to one of the seals for thereby establishing a fluid-tight chamber about the tube.

  16. STS-2 - SOFTWARE INTEGRATION TESTS (SIT) - KSC

    NASA Image and Video Library

    1981-09-01

    S81-36331 (24 Aug. 1981) --- Astronauts Joe H. Engle, left, and Richard H. Truly pause before participating in the integrated test of the assembled space shuttle components scheduled for launch no earlier than Sept. 30, 1981. Moments later, Engle, STS-2 crew commander, and Truly, pilot, entered the cabin of the orbiter Columbia for a mission simulation. The shuttle integrated tests (SIT) are designed to check out every connection and signal path in the STS-2 vehicle composed of the orbiter, two solid rocket boosters (SRB) and an external fuel tank (ET) for Columbia?s main engines. Completion of the tests will clear the way for preparations for rollout to Pad A at Launch Complex 39, scheduled for the latter part of August or early September. Photo credit: NASA

  17. Effect of dewatering on seismic performance of multi-anchor wall due to high ground water level

    NASA Astrophysics Data System (ADS)

    Kobayashi, Makoto; Miura, Kinya; Konami, Takeharu; Hayashi, Taketo; Sato, Hiroki

    2017-10-01

    Previous research reported that the ground water in the backfill of reinforced soil wall made it deteriorate. According to the damage investigation of Great East Earthquake 2011, the reinforced soil structure due to high ground water level by seismic wave were deformed remarkably. Some of them classified ultimate limit state or restorability limit state. However, more than 90% of reinforced soil structure, which suffered from this earthquake, were classified into no damage condition. Therefore, it is necessary that the seismic behaviors of multi-anchor wall due to seepage flow should be clarified in order to adopt the performance-based design in such reinforced soil structure. In this study, a series of centrifugal shaking table tests were conducted to investigate the seismic behavior of multi-anchor wall due to high ground water level. The reinforced drainage pipes were installed into the backfill in order to verify the dewatering effect and additional reinforcement. Furthermore, to check only the dewatering effect, the model tests was carried out with several ground water table that was modeled the case reinforced drainage pipes installed. The test results show unique behavior of reinforced region that moved integrally. This implies that the reinforced region has been behaved as if it became one mass, and this behavior make this structure increase seismic performance. Thus, the effectiveness of dewatering was observed remarkably because of decreasing the inertial force during earthquake.

  18. An Event Driven Hybrid Identity Management Approach to Privacy Enhanced e-Health

    PubMed Central

    Sánchez-Guerrero, Rosa; Almenárez, Florina; Díaz-Sánchez, Daniel; Marín, Andrés; Arias, Patricia; Sanvido, Fabio

    2012-01-01

    Credential-based authorization offers interesting advantages for ubiquitous scenarios involving limited devices such as sensors and personal mobile equipment: the verification can be done locally; it offers a more reduced computational cost than its competitors for issuing, storing, and verification; and it naturally supports rights delegation. The main drawback is the revocation of rights. Revocation requires handling potentially large revocation lists, or using protocols to check the revocation status, bringing extra communication costs not acceptable for sensors and other limited devices. Moreover, the effective revocation consent—considered as a privacy rule in sensitive scenarios—has not been fully addressed. This paper proposes an event-based mechanism empowering a new concept, the sleepyhead credentials, which allows to substitute time constraints and explicit revocation by activating and deactivating authorization rights according to events. Our approach is to integrate this concept in IdM systems in a hybrid model supporting delegation, which can be an interesting alternative for scenarios where revocation of consent and user privacy are critical. The delegation includes a SAML compliant protocol, which we have validated through a proof-of-concept implementation. This article also explains the mathematical model describing the event-based model and offers estimations of the overhead introduced by the system. The paper focus on health care scenarios, where we show the flexibility of the proposed event-based user consent revocation mechanism. PMID:22778634

  19. An event driven hybrid identity management approach to privacy enhanced e-health.

    PubMed

    Sánchez-Guerrero, Rosa; Almenárez, Florina; Díaz-Sánchez, Daniel; Marín, Andrés; Arias, Patricia; Sanvido, Fabio

    2012-01-01

    Credential-based authorization offers interesting advantages for ubiquitous scenarios involving limited devices such as sensors and personal mobile equipment: the verification can be done locally; it offers a more reduced computational cost than its competitors for issuing, storing, and verification; and it naturally supports rights delegation. The main drawback is the revocation of rights. Revocation requires handling potentially large revocation lists, or using protocols to check the revocation status, bringing extra communication costs not acceptable for sensors and other limited devices. Moreover, the effective revocation consent--considered as a privacy rule in sensitive scenarios--has not been fully addressed. This paper proposes an event-based mechanism empowering a new concept, the sleepyhead credentials, which allows to substitute time constraints and explicit revocation by activating and deactivating authorization rights according to events. Our approach is to integrate this concept in IdM systems in a hybrid model supporting delegation, which can be an interesting alternative for scenarios where revocation of consent and user privacy are critical. The delegation includes a SAML compliant protocol, which we have validated through a proof-of-concept implementation. This article also explains the mathematical model describing the event-based model and offers estimations of the overhead introduced by the system. The paper focus on health care scenarios, where we show the flexibility of the proposed event-based user consent revocation mechanism.

  20. Posters as a tool for disseminating health related information in a developing country: a pilot experience.

    PubMed

    Nishtar, S; Zoka, N; Nishtar, S S; Khan, S Y; Jehan, S; Mirza, Y A

    2004-09-01

    To investigate the effectiveness of posters as a tool, for imparting information related to high blood pressure. The intervention involved hanging posters conveying information about blood pressure, in the waiting rooms of 339 health facilities. The impact of this intervention was assessed after 30 days of hanging the posters with the main assessment component of the survey aimed at the target audience at the facilities. 1017 people attending the facilities were interviewed. Mean age of this population was 40.4 (SD 11.06) years. There were 79% males and 21% females. 80.2% (n=816) of the respondents had noticed the posters. 84.5% of the people were of the opinion that the poster was good. 63.7% of the people understood the overall message of the poster correctly. Regarding change in behaviour, 96.7% (n=789) of the people thought that the poster was asking them to do something; 85.9% (n=501) of these got their blood pressure checked compared to 60.9% (n=14) of those who did not think the poster was asking them to do anything (p=0.004). Of those who said that the poster was asking them to do something, there were varied responses as to what they thought the poster was asking them to do. If the response was that they should have their blood pressure checked, it was taken as a correct response. 87.3% of those who said that the poster was asking them to get their blood pressure checked, actually got their blood pressure checked compared to 83.7% of those who did not understand this message (p=0.241). Given the limitations of the study it is difficult to assess the effectiveness of the poster in changing people's behaviour regarding blood pressure check up. This experience will serve as a pilot for a larger prospective study to assess poster as a tool for prompting people to get their blood pressure checked.

  1. Symbolic Heuristic Search for Factored Markov Decision Processes

    NASA Technical Reports Server (NTRS)

    Morris, Robert (Technical Monitor); Feng, Zheng-Zhu; Hansen, Eric A.

    2003-01-01

    We describe a planning algorithm that integrates two approaches to solving Markov decision processes with large state spaces. State abstraction is used to avoid evaluating states individually. Forward search from a start state, guided by an admissible heuristic, is used to avoid evaluating all states. We combine these two approaches in a novel way that exploits symbolic model-checking techniques and demonstrates their usefulness for decision-theoretic planning.

  2. Design of wideband solar ultraviolet radiation intensity monitoring and control system

    NASA Astrophysics Data System (ADS)

    Ye, Linmao; Wu, Zhigang; Li, Yusheng; Yu, Guohe; Jin, Qi

    2009-08-01

    According to the principle of SCM (Single Chip Microcomputer) and computer communication technique, the system is composed of chips such as ATML89C51, ADL0809, integrated circuit and sensors for UV radiation, which is designed for monitoring and controlling the UV index. This system can automatically collect the UV index data, analyze and check the history database, research the law of UV radiation in the region.

  3. Security Controls in the Stockpoint Logistics Integrated Communications Environment (SPLICE).

    DTIC Science & Technology

    1985-03-01

    call programs as authorized after checks by the Terminal Management Subsystem on SAS databases . SAS overlays the TANDEM GUARDIAN operating system to...Security Access Profile database (SAP) and a query capability generating various security reports. SAS operates with the System Monitor (SMON) subsystem...system to DDN and other components. The first SAS component to be reviewed is the SAP database . SAP is organized into two types of files. Relational

  4. Piezoelectric Pulsed Microjets

    DTIC Science & Technology

    2011-04-29

    microjets presents new design capabilities [ 9 , 18, 19]. An actuator is developed and tested here that integrates these two subsystems together to produce... actuator during testing. A digital pressure gauge was placed in-line after the accumulator to monitor bias pressure during testing. A check valve is used...bled off from the hydraulic actuator without affecting the pressure maintained in the accumulator. Air is bled from the system via a bleed valve within

  5. Personal, Family and School Influences on Secondary Pupils' Feelings of Safety at School, in the School Surroundings and at Home

    ERIC Educational Resources Information Center

    Mooij, Ton

    2012-01-01

    Different types of variables seem to influence school safety and a pupil's feelings of safety at school. The research question asks which risk and promotive variables should be integrated in a theoretical model to predict a pupil's feelings of safety at school, in the school surroundings and at home; what the outcomes are of an empirical check of…

  6. A cache-aided multiprocessor rollback recovery scheme

    NASA Technical Reports Server (NTRS)

    Wu, Kun-Lung; Fuchs, W. Kent

    1989-01-01

    This paper demonstrates how previous uniprocessor cache-aided recovery schemes can be applied to multiprocessor architectures, for recovering from transient processor failures, utilizing private caches and a global shared memory. As with cache-aided uniprocessor recovery, the multiprocessor cache-aided recovery scheme of this paper can be easily integrated into standard bus-based snoopy cache coherence protocols. A consistent shared memory state is maintained without the necessity of global check-pointing.

  7. The Technique of Changing the Drive Method of Micro Step Drive and Sensorless Drive for Hybrid Stepping Motor

    NASA Astrophysics Data System (ADS)

    Yoneda, Makoto; Dohmeki, Hideo

    The position control system with the advantage large torque, low vibration, and high resolution can be obtained by the constant current micro step drive applied to hybrid stepping motor. However loss is large, in order not to be concerned with load torque but to control current uniformly. As the one technique of a position control system in which high efficiency is realizable, the same sensorless control as a permanent magnet motor is effective. But, it was the purpose that the control method proposed until now controls speed. Then, this paper proposed changing the drive method of micro step drive and sensorless drive. The change of the drive method was verified from the simulation and the experiment. On no load, it was checked not producing change of a large speed at the time of a change by making electrical angle and carrying out zero reset of the integrator. On load, it was checked that a large speed change arose. The proposed system could change drive method by setting up the initial value of an integrator using the estimated result, without producing speed change. With this technique, the low loss position control system, which employed the advantage of the hybrid stepping motor, has been built.

  8. Fiber optics in composite materials: materials with nerves of glass

    NASA Astrophysics Data System (ADS)

    Measures, Raymond M.

    1990-08-01

    A Fiber Optic BasedSmart Structure wiipossess a structurally integrated optical microsensor system for determining its state. This built-in sensor system should, in real-time, be able to: evaluate the strain or deformation of a structure, monitor if its vibrating or subject to excessive loads, check its temperature and warn of the appearance of any hot spots. In addition a Smart Structure should maintain a vigilant survelliance over its structural integrity. The successful development of Smart StructureTechnolgy could lead to: aircraft that are safer, lighter, more efficient, easier to maintain and to service; pipelines, pressure vessels and storage tanks that constantly monitor their structuralintegrity and immediately issue an alert ifany problem is detected; space platforms that check forpressure leaks, unwanted vibration, excess thermal buildup, and deviation from some preassigned shape.This technology is particularly appropriate for composite materials where internal damage generated by: impacts, manufacturing flaws, excessive loading or fatigue could be detected and assessed. In service monitoring of structural loads, especially in regions like wing roots of aircraft, could be ofconsiderable benefit in helping to avoid structural overdesign and reduce weight. Structurally imbedded optical fibers sensors might also serve to monitor the cure state of composite thermosets during their fabrication and thereby contribute to improved quality control of these products.

  9. Project Report: Automatic Sequence Processor Software Analysis

    NASA Technical Reports Server (NTRS)

    Benjamin, Brandon

    2011-01-01

    The Mission Planning and Sequencing (MPS) element of Multi-Mission Ground System and Services (MGSS) provides space missions with multi-purpose software to plan spacecraft activities, sequence spacecraft commands, and then integrate these products and execute them on spacecraft. Jet Propulsion Laboratory (JPL) is currently is flying many missions. The processes for building, integrating, and testing the multi-mission uplink software need to be improved to meet the needs of the missions and the operations teams that command the spacecraft. The Multi-Mission Sequencing Team is responsible for collecting and processing the observations, experiments and engineering activities that are to be performed on a selected spacecraft. The collection of these activities is called a sequence and ultimately a sequence becomes a sequence of spacecraft commands. The operations teams check the sequence to make sure that no constraints are violated. The workflow process involves sending a program start command, which activates the Automatic Sequence Processor (ASP). The ASP is currently a file-based system that is comprised of scripts written in perl, c-shell and awk. Once this start process is complete, the system checks for errors and aborts if there are any; otherwise the system converts the commands to binary, and then sends the resultant information to be radiated to the spacecraft.

  10. Holographic CBK relation

    NASA Astrophysics Data System (ADS)

    Gabadadze, Gregory; Tukhashvili, Giorgi

    2018-07-01

    The Crewther-Broadhurst-Kataev (CBK) relation connects the Bjorken function for deep-inelastic sum rules (or the Gross-Llewellyn Smith function) with the Adler function for electron-positron annihilation in QCD; it has been checked to hold up to four loops in perturbation theory. Here we study non-perturbative terms in the CBK relation using a holographic dual theory that is believed to capture properties of QCD. We show that for the large invariant momenta the perturbative CBK relation is exactly satisfied. For the small momenta non-perturbative corrections enter the relation and we calculate their significant effects. We also give an exact holographic expression for the Bjorken function, as well as for the entire three-point axial-vector-vector correlation function, and check their consistency in the conformal limit.

  11. Reaching soldiers with untreated substance use disorder: lessons learned in the development of a marketing campaign for the Warrior Check-Up study.

    PubMed

    Walton, Thomas O; Walker, Denise D; Kaysen, Debra L; Roffman, Roger A; Mbilinyi, Lyungai; Neighbors, Clayton

    2013-07-01

    The Warrior Check-Up, a confidential telephone-delivered intervention, is designed to reach active-duty soldiers with untreated substance-use disorder at a large U.S. military base. This paper describes the development and successful implementation of the study's marketing strategies at the recruitment period's midpoint (2010-2012). Qualitative analyses of focus groups (n = 26) and survey responses (n = 278) describe the process of campaign design. Measures of demographics, media exposure, post-traumatic stress, anxiety and depression gathered from callers (n = 172) are used in quantitative analysis assessing the campaign's success in reaching this population. Implications, limitations, and suggestions for future research are discussed. Department of Defense provided study funding.

  12. Mapping of wildlife habitat in Farmington Bay, Utah

    NASA Technical Reports Server (NTRS)

    Jaynes, R. A.; Willie, R. D. (Principal Investigator)

    1982-01-01

    Mapping was accomplished through the interpretation of high-altitude color infrared photography. The feasibility of utilizing LANDSAT digital data to augment the analysis was explored; complex patterns of wildlife habitat and confusion of spectral classes resulted in the decision to make limited use of LANDSAT data in the analysis. The final product is a map which delineates wildlife habitat at a scale of 1:24,000. The map is registered to and printed on a screened U.S.G.S. quadrangle base map. Screened delineations of shoreline contours, mapped from a previous study, are also shown on the map. Intensive field checking of the map was accomplished for the Farmington Bay Waterfowl Management Area in August 1981; other areas on the map received only spot field checking.

  13. A self-consistency check for unitary propagation of Hawking quanta

    NASA Astrophysics Data System (ADS)

    Baker, Daniel; Kodwani, Darsh; Pen, Ue-Li; Yang, I.-Sheng

    2017-11-01

    The black hole information paradox presumes that quantum field theory in curved space-time can provide unitary propagation from a near-horizon mode to an asymptotic Hawking quantum. Instead of invoking conjectural quantum-gravity effects to modify such an assumption, we propose a self-consistency check. We establish an analogy to Feynman’s analysis of a double-slit experiment. Feynman showed that unitary propagation of the interfering particles, namely ignoring the entanglement with the double-slit, becomes an arbitrarily reliable assumption when the screen upon which the interference pattern is projected is infinitely far away. We argue for an analogous self-consistency check for quantum field theory in curved space-time. We apply it to the propagation of Hawking quanta and test whether ignoring the entanglement with the geometry also becomes arbitrarily reliable in the limit of a large black hole. We present curious results to suggest a negative answer, and we discuss how this loss of naive unitarity in QFT might be related to a solution of the paradox based on the soft-hair-memory effect.

  14. Optimizing revenue at a cosmetic surgery centre

    PubMed Central

    Funk, Joanna M; Verheyden, Charles N; Mahabir, Raman C

    2011-01-01

    BACKGROUND: The demand for cosmetic surgery and services has diminished with recent fluctuations in the economy. To stay ahead, surgeons must appreciate and attend to the fiscal challenges of private practice. A key component of practice economics is knowledge of the common methods of payment. OBJECTIVE: To review methods of payment in a five-surgeon group practice in central Texas, USA. METHODS: A retrospective chart review of the financial records of a cosmetic surgery centre in Texas was conducted. Data were collected for the five-year period from 2003 to 2008, and included the method of payment, the item purchased (product, service or surgery) and the dollar amount. RESULTS: More than 11,000 transactions were reviewed. The most common method of payment used for products and services was credit card, followed by check and cash. For procedures, the most common form of payment was personal check, followed by credit card and financing. Of the credit card purchases for both products and procedures, an overwhelming majority of patients (more than 75%) used either Visa (Visa Inc, USA) or MasterCard (MasterCard Worldwide, USA). If the amount of the individual transaction surpassed US$1,000, the most common method of payment transitioned from credit card to personal check. CONCLUSIONS: In an effort to maximize revenue, surgeons should consider limiting the credit cards accepted by the practice and encourage payment through personal check. PMID:22942656

  15. Optimizing revenue at a cosmetic surgery centre.

    PubMed

    Funk, Joanna M; Verheyden, Charles N; Mahabir, Raman C

    2011-01-01

    The demand for cosmetic surgery and services has diminished with recent fluctuations in the economy. To stay ahead, surgeons must appreciate and attend to the fiscal challenges of private practice. A key component of practice economics is knowledge of the common methods of payment. To review methods of payment in a five-surgeon group practice in central Texas, USA. A retrospective chart review of the financial records of a cosmetic surgery centre in Texas was conducted. Data were collected for the five-year period from 2003 to 2008, and included the method of payment, the item purchased (product, service or surgery) and the dollar amount. More than 11,000 transactions were reviewed. The most common method of payment used for products and services was credit card, followed by check and cash. For procedures, the most common form of payment was personal check, followed by credit card and financing. Of the credit card purchases for both products and procedures, an overwhelming majority of patients (more than 75%) used either Visa (Visa Inc, USA) or MasterCard (MasterCard Worldwide, USA). If the amount of the individual transaction surpassed US$1,000, the most common method of payment transitioned from credit card to personal check. In an effort to maximize revenue, surgeons should consider limiting the credit cards accepted by the practice and encourage payment through personal check.

  16. Retailer compliance with tobacco control laws in New York City before and after raising the minimum legal purchase age to 21.

    PubMed

    Silver, Diana; Macinko, James; Giorgio, Margaret; Bae, Jin Yung; Jimenez, Geronimo

    2016-11-01

    New York City (NYC) is the first large city to increase the legal minimum age for possessing tobacco products from 18 to 21 (Tobacco 21) and establish a minimum price law to reduce smoking rates among youth. However, retailer compliance with these regulations is unknown. Youthful investigators purchased cigarettes pre and post-Tobacco 21 implementation in 92 NYC neighbourhoods. Investigators recorded whether their ID was checked, the pack's purchase price, and observed compliance with additional regulations. Multivariable OLS and Poisson regression models assess pre and post Tobacco 21 compliance with ID checks and purchase prices, controlling for retailer type, location and compliance with other laws. Retailer compliance with ID checks declined from 71% to 62% (p<0.004) between periods, and holding constant other factors, compliance with ID checks and sales at legal prices declined significantly after the laws changed. Compared to chain stores, independent retailers had significantly lower compliance rates (p<0.01). Several aspects of tobacco control appear to have deteriorated in NYC. Greater attention to monitoring retailer compliance with all tobacco regulations will be important for Tobacco 21 laws to be effective in reducing youth access to tobacco products. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/.

  17. KSC-2013-3074

    NASA Image and Video Library

    2013-07-22

    HOUSTON - NASA astronaut Serena Aunon and Andrea Gilkey, a human factors engineer with The Boeing Company, tag up before Aunon puts on her orange launch-and-entry suit for a fit check evaluation of the CST-100 spacecraft at the company's Houston Product Support Center. Aunon's fit check will help evaluate a crew's maneuverability in the spacecraft and test communications. Boeing's CST-100 is being designed to transport crew members or a mix of crew and cargo to low-Earth-orbit destinations, including the International Space Station. The evaluation is part of the ongoing work supporting Boeing's funded Space Act Agreement with NASA's Commercial Crew Program, or CCP, during the agency's Commercial Crew Integrated Capability, or CCiCap, initiative. CCiCap is intended to make commercial human spaceflight services available for government and commercial customers. To learn more about CCP, visit http://www.nasa.gov/commercialcrew. Photo credit: NASA/Robert Markowitz

  18. The Classroom Check-up: A Classwide Teacher Consultation Model for Increasing Praise and Decreasing Disruptive Behavior

    PubMed Central

    Reinke, Wendy M.; Lewis-Palmer, Teri; Merrell, Kenneth

    2008-01-01

    School-based consultation typically focuses on individual student problems and on a small number of students rather than on changing the classroom system. The Classroom Check-up (CCU) was developed as a classwide consultation model to address the need for classroom level support while minimizing treatment integrity problems common to school-based consultation. The purpose of the study was to evaluate the effects of the CCU and Visual Performance Feedback on teacher and student behavior. Results indicated that implementation of the CCU plus Visual Performance Feedback increased teacher implementation of classroom management strategies, including increased use of praise, use of behavior specific praise, and decreased use of reprimands. Further, these changes in teacher behavior contributed to decreases in classroom disruptive behavior. The results are encouraging because they suggest that consultation at the classroom level can create meaningful teacher and student behavior change. PMID:19122805

  19. Workers in the VAB test SRB cables on STS-98 solid rocket boosters

    NASA Technical Reports Server (NTRS)

    2001-01-01

    KENNEDY SPACE CENTER, Fla. -- Working near the top of a solid rocket booster, NASA and United Space Alliance SRB technicians hook up SRB cables to a CIRRUS computer for testing. From left are Jim Glass, with USA, performing a Flex test on the cable; Steve Swichkow, with NASA, and Jim Silviano, with USA, check the results on a computer. The SRB is part of Space Shuttle Atlantis, rolled back from Launch Pad 39A in order to conduct tests on the cables. A prior extensive evaluation of NASA'''s SRB cable inventory on the shelf revealed conductor damage in four (of about 200) cables. Shuttle managers decided to prove the integrity of the system tunnel cables already on Atlantis before launching. Workers are conducting inspections, making continuity checks and conducting X-ray analysis on the cables. The launch has been rescheduled no earlier than Feb. 6.

  20. Automated Environment Generation for Software Model Checking

    NASA Technical Reports Server (NTRS)

    Tkachuk, Oksana; Dwyer, Matthew B.; Pasareanu, Corina S.

    2003-01-01

    A key problem in model checking open systems is environment modeling (i.e., representing the behavior of the execution context of the system under analysis). Software systems are fundamentally open since their behavior is dependent on patterns of invocation of system components and values defined outside the system but referenced within the system. Whether reasoning about the behavior of whole programs or about program components, an abstract model of the environment can be essential in enabling sufficiently precise yet tractable verification. In this paper, we describe an approach to generating environments of Java program fragments. This approach integrates formally specified assumptions about environment behavior with sound abstractions of environment implementations to form a model of the environment. The approach is implemented in the Bandera Environment Generator (BEG) which we describe along with our experience using BEG to reason about properties of several non-trivial concurrent Java programs.

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