Science.gov

Sample records for 2-meter box experiments

  1. DNA Radiation Environments Program - Spring 1990 2-meter box experiments and analyses

    SciTech Connect

    Santoro, R.T ); Whitaker, S.Y. )

    1992-09-01

    This report summarizes the Spring 1990 2-m Box Experiments performed at the Army Pulse Radiation Facility (APRF) at Aberdeen Proving Ground, Maryland. These studies were sponsored by the Defense Nuclear Agency (DNA) under the Radiation Environments Program to obtain measured data for benchmarking the Adjoint Monte Carlo Code System, MASH, Version 1.0. MASH was developed as the Department of Defense and NATO code system for calculating neutron and gamma-ray radiation fields and shielding protection factors for armored vehicles and military structures against nuclear weapon radiation. In the experiments, neutron and gamma-ray dose and reduction factors were measured in the free-field and as a function of position on an anthropomorphic phantom that was placed outside and inside the steel-walled 2-m box. The data were acquired at a distance of 400-m from the APRF reactor. The measurements were performed by APRF, Bubble Technology Industries, the Defence Research Establishment Ottawa, Establishment Technique Central de l'Armement, and Harry Diamond Laboratory. Calculations were carried out by the Oak Ridge National Laboratory and Science Applications International Corporation. The purpose of these experiments was to measure the neutron and gamma-ray dose as a function of detector location on the phantom for cases when the phantom was standing in the free-field and inside of the box. Neutron measurements were made using a BD-IOOR bubble detector and gamma-ray measurements were made using thermoluminescent detectors (TLD). Calculated and measured data were compared in terms of the C/M ratio. DNA mandated that C/M values of {plus minus}20% define the acceptable limits for the comparison of the dose and reduction factor data and for qualifying the MASH code in replicating integral parameters.

  2. DNA Radiation Environments Program - Spring 1990 2-meter box experiments and analyses

    SciTech Connect

    Santoro, R.T; Whitaker, S.Y.

    1992-09-01

    This report summarizes the Spring 1990 2-m Box Experiments performed at the Army Pulse Radiation Facility (APRF) at Aberdeen Proving Ground, Maryland. These studies were sponsored by the Defense Nuclear Agency (DNA) under the Radiation Environments Program to obtain measured data for benchmarking the Adjoint Monte Carlo Code System, MASH, Version 1.0. MASH was developed as the Department of Defense and NATO code system for calculating neutron and gamma-ray radiation fields and shielding protection factors for armored vehicles and military structures against nuclear weapon radiation. In the experiments, neutron and gamma-ray dose and reduction factors were measured in the free-field and as a function of position on an anthropomorphic phantom that was placed outside and inside the steel-walled 2-m box. The data were acquired at a distance of 400-m from the APRF reactor. The measurements were performed by APRF, Bubble Technology Industries, the Defence Research Establishment Ottawa, Establishment Technique Central de l`Armement, and Harry Diamond Laboratory. Calculations were carried out by the Oak Ridge National Laboratory and Science Applications International Corporation. The purpose of these experiments was to measure the neutron and gamma-ray dose as a function of detector location on the phantom for cases when the phantom was standing in the free-field and inside of the box. Neutron measurements were made using a BD-IOOR bubble detector and gamma-ray measurements were made using thermoluminescent detectors (TLD). Calculated and measured data were compared in terms of the C/M ratio. DNA mandated that C/M values of {plus_minus}20% define the acceptable limits for the comparison of the dose and reduction factor data and for qualifying the MASH code in replicating integral parameters.

  3. Gas box control system for Tandem Mirror Experiment-Upgrade

    SciTech Connect

    Bell, H.H. Jr.; Hunt, A.L.; Clower, C.A. Jr.

    1983-11-14

    The Tandem Mirror Experiment-Upgrade (TMX-U) uses several methods to feed gas (usually deuterium) at different energies into the plasma region of the machine. One is an arrangement of eight high-speed piezo-electric valves mounted on special manifolds (gas box) that feed cold gas directly to the plasma. This paper describes the electronic valve control and data acquisition portions of the gas box, which are controlled by a desk-top computer. Various flow profiles have been developed and stored in the control computer for ready access by the operator. The system uses two modes of operation, one that exercises and characterizes the valves and one that operates the valves with the rest of the experiment. Both the valve control signals and the pressure transducers data are recorded on the diagnostics computer so that they are available for experiment analysis.

  4. A Lithium Vapor Box similarity experiment employing water vapor

    NASA Astrophysics Data System (ADS)

    Schwartz, Ja; Jagoe, C.; Goldston, Rj; Jaworski, Ma

    2016-10-01

    Handling high power loads and heat flux in the divertor is a major challenge for fusion power plants. A detached plasma will likely be required. However, hydrogenic and impurity puffing experiments show that detached operation leads easily to X-point MARFEs, impure plasmas, degradation in confinement, and lower helium pressure at the exhaust. The concept of the Lithium Vapor Box Divertor is to use local evaporation and strong differential pumping through condensation to localize the gas-phase material that absorbs the plasma heat flux, and so avoid those difficulties. In order to design such a box first the vapor without plasma must be simulated. The density of vapor required can be estimated using the SOL power, major radius, poloidal box length, and cooling energy per lithium atom. For an NSTX-U-sized machine, the Knudsen number Kn spans 0.01 to 1, the transitional flow regime. This regime cannot handled by fluid codes or collisionless Monte Carlo codes, but can be handled by Direct Simulation Monte Carlo (DSMC) codes. To validate a DSMC model, we plan to build a vapor box test stand employing more-convenient water vapor instead of lithium vapor as the working fluid. Transport of vapor between the chambers at -50C will be measured and compared to the model. This work supported by DOE Contract No. DE-AC02-09CH11466.

  5. The Box Task: A tool to design experiments for assessing visuospatial working memory.

    PubMed

    Kessels, Roy P C; Postma, Albert

    2017-09-15

    The present paper describes the Box Task, a paradigm for the computerized assessment of visuospatial working memory. In this task, hidden objects have to be searched by opening closed boxes that are shown at different locations on the computer screen. The set size (i.e., number of boxes that must be searched) can be varied and different error scores can be computed that measure specific working memory processes (i.e., the number of within-search and between-search errors). The Box Task also has a developer's mode in which new stimulus displays can be designed for use in tailored experiments. The Box Task comes with a standard set of stimulus displays (including practice trials, as well as stimulus displays with 4, 6, and 8 boxes). The raw data can be analyzed easily and the results of individual participants can be aggregated into one spreadsheet for further statistical analyses.

  6. Black Box Testing: Experiments with Runway Incursion Advisory Alerting System

    NASA Technical Reports Server (NTRS)

    Mukkamala, Ravi

    2005-01-01

    This report summarizes our research findings on the Black box testing of Runway Incursion Advisory Alerting System (RIAAS) and Runway Safety Monitor (RSM) system. Developing automated testing software for such systems has been a problem because of the extensive information that has to be processed. Customized software solutions have been proposed. However, they are time consuming to develop. Here, we present a less expensive, and a more general test platform that is capable of performing complete black box testing. The technique is based on the classification of the anomalies that arise during Monte Carlo simulations. In addition, we also discuss a generalized testing tool (prototype) that we have developed.

  7. Nine Optical Black-Box Experiments for Lower-Secondary Students

    ERIC Educational Resources Information Center

    Rode, Henning; Friege, Gunnar

    2017-01-01

    In this paper a sequence of nine, easy to manufacture optical black-box experiments with increasing levels of difficulty, and supportive frameworks for physics classes are introduced. They have been evaluated in a lower-secondary school at the end of optics lessons. A black-box is a kind of experimental task where the inner structure is not…

  8. Developing Independent Learners: The Box Hill School Experience

    ERIC Educational Resources Information Center

    Pavey, Sarah

    2010-01-01

    Box Hill School is an independent school in Surrey, England. In 2008 the English curriculum was abandoned in favour of the International Baccalaureate Diploma (IBD). A library is a statutory requirement of the International Baccalaureate Organisation (IBO) endorsement who also recommend this be managed by a qualified teacher-librarian. In May…

  9. Shallow (2-meter) temperature surveys in Colorado

    SciTech Connect

    Zehner, Richard E.

    2012-02-01

    Citation Information: Originator: Geothermal Development Associates, Reno, Nevada Publication Date: 2012 Title: Colorado 2m Survey Edition: First Publication Information: Publication Place: Reno Nevada Publisher: Geothermal Development Associates, Reno, Nevada Description: Shallow temperature surveys are useful in early-stage geothermal exploration to delineate surface outflow zones, with the intent to identify the source of upwelling, usually a fault. Detailed descriptions of the 2-meter survey method and equipment design can be found in Coolbaugh et al. (2007) and Sladek et al. (2007), and are summarized here. The survey method was devised to measure temperature as far below the zone of solar influence as possible, have minimal equilibration time, and yet be portable enough to fit on the back of an all-terrain vehicle (ATV); Figure 2). This method utilizes a direct push technology (DPT) technique where 2.3 m long, 0.54” outer diameter hollow steel rods are pounded into the ground using a demolition hammer. Resistance temperature devices (RTD) are then inserted into the rods at 2-meter depths, and allowed to equilibrate for one hour. The temperatures are then measured and recorded, the rods pulled out of the ground, and re-used at future sites. Usually multiple rods are planted over the course of an hour, and then the sampler returns back to the first station, measures the temperatures, pulls the rods, and so on, to eliminate waiting time. At Wagon Wheel Gap, 32 rods were planted around the hot springs between June 20 and July 1, 2012. The purpose was to determine the direction of a possible upflow fault or other structure. Temperatures at 1.5m and 2m depths were measured and recorded in the attribute table of this point shapefile. Several anomalous temperatures suggest that outflow is coming from a ~N60W striking fault or shear zone that contains the quartz-fluorite-barite veins of the adjacent patented mining claims. It should be noted that temperatures at 2m

  10. Nine optical black-box experiments for lower-secondary students

    NASA Astrophysics Data System (ADS)

    Rode, Henning; Friege, Gunnar

    2017-05-01

    In this paper a sequence of nine, easy to manufacture optical black-box experiments with increasing levels of difficulty, and supportive frameworks for physics classes are introduced. They have been evaluated in a lower-secondary school at the end of optics lessons. A black-box is a kind of experimental task where the inner structure is not visible to the experimenter. Using mirrors, beam-splitters, and blockers in a black-box to manipulate the light beam’s direction through this specific experiment, students are instructed to vary input and observe the output of light to get an idea of the possible inner structure. The presented sequence of black-box experiments requires a basic knowledge of the linear propagation of light and is suitable for beginner physics. Furthermore a framework for concrete implementation to physics classes is given, which covers suitable structure of class, examples for helpful worksheets, and authentic students’ solutions. The difficulty of the specific black-box experiments is given by the students’ success within observing input-output correlation and conclusion of an inner structure. The experiments’ implementation to physics classes may cover elaboration, practice, and aspects of the nature of science even in a beginner’s class. Evaluation has been conducted with students of young age (11-12 years old), however they are suitable for older students also. Although dealing with a time extensive sequence of experiments, students showed a high level of motivation throughout. Overall, implementing this sequence of black-box experiments is seen as valuable and helpful for physics classes.

  11. Numerical analysis of biological clogging in two-dimensional sand box experiments

    NASA Astrophysics Data System (ADS)

    Kildsgaard, Jesper; Engesgaard, Peter

    2001-08-01

    Two-dimensional models for biological clogging and sorptive tracer transport were used to study the progress of clogging in a sand box experiment. The sand box had been inoculated with a strip of bacteria and exposed to a continuous injection of nitrate and acetate. Brilliant Blue was regularly injected during the clogging experiment and digital images of the tracer movement had been converted to concentration maps using an image analysis. The calibration of the models to the Brilliant Blue observations shows that Brilliant Blue has a solid biomass dependent sorption that is not compliant with the assumed linear constant Kd behaviour. It is demonstrated that the dimensionality of sand box experiments in comparison to column experiments results in a much lower reduction in hydraulic conductivity (factor of 100) and that the bulk hydraulic conductivity of the sand box decreased only slightly. However, in the central parts of the clogged area, the observations and simulations clearly show a complex picture of flow diverting the injected nutrients around the clogged area as fingers. The calibration of the model demonstrates that the physical and microbiological processes (advection, dispersion, attachment-detachment, growth-decay) are all needed to capture the progress of clogging.

  12. Lab-in-a-box @ school: Exiting hands-on experiments in soft matter physics

    NASA Astrophysics Data System (ADS)

    Jacobs, Karin; Brinkmann, Martin; Müller, Frank

    2015-03-01

    Soft materials like liquids and polymers are part of everyday life, yet at school, this topic is rarely touched. Within the priority program SPP 1064 'Nano- and Microfluidics' of the German Science Foundation, we designed an outreach project that allows pupils (age 14 to 18) to perform hands-on experiments (www.labinabox.de). The experiments allow them e.g. to feel viscosity and viscoelasticity, experience surface tension or see structure formation. We call the modus operandi 'subjective experiments' to contrast them with the scientifically objective experiments, which pupils often describe as being boring. Over a dozen different experiments under the topic 'physics of fluids' are collected in a big box that travels to the school. Three other topics of boxes are available, 'physics of light, 'physics of liquid crystals', and 'physics of adhesion and friction'. Each experiment can be performed by 1-3 pupils within 10 - 20 min. That way, each scholar can perform 6 to 8 different small experiments within one topic. 'Subjective experiments' especially catch the attention of girls without disadvantaging boys. Both are fascinated by the hands-on physics experience and are therefore eager to perform also 'boring' objective experiments. Morover, before/after polls reveal that their interest in physics has greatly advanced. The project can easily be taken over and/or adapted to other topics in the natural sciences. Financial support of the German Science Foundation DFG is acknowledged.

  13. Infiltration and Transport of Bromide and Cryptosporidium parvum in Vegetated, Tilted Soil Box Experiments

    NASA Astrophysics Data System (ADS)

    Harter, T.; Atwill, E. R.; Hou, L.; Carle, B. M.

    2005-12-01

    In this paper we develop a conceptual model of the physics of flow and transport in packed, tilted, and vegetated soil boxes during and immediately after simulated rainfall events and apply it to 54 experiments implemented for three different soils at three different slopes and two different rainfall rates. Using an inverse modeling procedure, we show that a significant amount of the subsurface outflow from the soil boxes is due to macropore flow. The effective hydraulic properties of the macropore space were obtained by calibration of a simple two-domain flow and transport model that accounts for coupled flow in the matrix and in the macropores of the soils. While the macropore hydraulic properties are highly variable, linear mixed effects ( LME) modeling showed significant association with soil bulk density and with the rainfall rate. Macropore flow is shown to be responsible for both, tracer (bromide) and C. parvum transport through the soil into the underlying pore space observed during the 4 hours experiments. Over a 20 cm thick soil horizon, the soil attenuation rate for C. parvum due to straining in the soil matrix and due to filtration to the macropore surfaces is 0.6 (half an order of magnitude). The LME and logistic regression models developed from the soil box experiments provide a basis for estimating macropore hydraulic properties and the risk of C. parvum transport through shallow soils from bulk density, precipitation, and total subsurface flow rate information.

  14. Spatial ecology and behavior of eastern box turtles on the hardwood ecosystem experiment: pre-treatment results

    Treesearch

    Andrea F. Currylow; Brian J. MacGowan; Rod N. Williams

    2013-01-01

    To understand better how eastern box turtles (Terrapene carolina carolina) are affected by forest management practices, we monitored movements of box turtles prior to silvicultural treatments within the Hardwood Ecosystem Experiment (HEE) in Indiana. During 2007 and 2008, we tracked 23-28 turtles on six units of the HEE. Estimated minimum convex...

  15. Polydispersed Gravity Currents Along a V-Shaped Valley: Experiments and Box Model.

    NASA Astrophysics Data System (ADS)

    Meriaux, C. A. M. D.; Besson, C. K.

    2014-12-01

    Turbidity currents, which occur at the continental margins and transport sediments along submarines canyons are particulate gravity currents made of poorly sorted particles. In such currents, the flow is to a large extent controlled by the grain size distribution of the particles at the source. Here we present the combined results of a box model and lock-exchange experiments of particulate gravity currents at small volumetric concentrations of particles (< 4%) flowing along a V-shaped valley, for which we looked at the grain size distributions along the deposit. The currents were made of 1) Silicon Carbide (SiC), 2) Glass Beads (GBs), 3) combined poorly sorted SiC/GBs, and 4) moderately sorted combined SiC/GBs. Experimental particles sizes were in the range 3-100 microns. We used 20 particle size classes to characterize the distributions. First we show that a box model that solves for the deposition of all the particle size classes, remarkably describes the speed of the currents, the mass deposited by the currents, and the material density of the deposit for those currents initially made of SiC and GBs. Last but not least, the box model also reconstructs the mass based size distributions along the deposits characterized by various fining. Yet, the reconstructed distributions differ with the shape of the particles. In the presence of only round GBs particles, the mass based size distributions given by the box compare extremely well with the experimental counterparts. In the presence of SiC, there is a systematic shift towards the smaller grain sizes of the mass based size distributions given by the box compared to the experimental ones. Several hypotheses to explain this shift are currently being investigated. The present work was supported by the Fundaçao para a Ciência e a Tecnologia (FCT, Portugal) under Project Pest-OE/CTE /LA0019/2013-2014.

  16. Thermal and Mechanical Testing of Neoprene Gloves Used in a Space Shuttle Microgravity Glove Box Experiment

    NASA Technical Reports Server (NTRS)

    Wingard, Charles Doug; Munafo, Paul M. (Technical Monitor)

    2001-01-01

    Neoprene gloves are used in a Space Shuttle Microgravity Glove Box (MGBX) experiment. In 1999, significant corrosion was observed in the work area and on the outer surface of the left glove ring. Analysis of the corrosion products showed that they contained chlorine. The Neoprene gloves used in this glove box were obtained in 1995, with a recommended shelf life of 3 years. After storage of these gloves in a cabinet drawer until 1999, significant signs of corrosion were also observed in the drawer. Mechanical and thermal properties were determined on samples cut from the finger and sleeve areas of the "good" and "bad" gloves. This data showed significant aging of the left-hand glove, particularly in the sleeve area. Thermal analysis data by DSC and TGA was complimentary to tensile data in showing this aging. However, this test data did not pinpoint the cause of the left-hand glove aging, or of the corrosion products.

  17. Big Box, Little Box.

    ERIC Educational Resources Information Center

    Texas Child Care, 2002

    2002-01-01

    This article presents activities for young children in child care settings using boxes of various sizes. Suggestions include making shape sorters and sensory boxes for infants and toddlers, and constructing personal collection boxes, book boxes, games, and playhouses for older children. (Author/KB)

  18. WEB - A Wireless Experiment Box for the Dextre Pointing Package ELC Payload

    NASA Technical Reports Server (NTRS)

    Bleier, Leor Z.; Marrero-Fontanez, Victor J.; Sparacino, Pietro A.; Moreau, Michael C.; Mitchell, Jason William

    2012-01-01

    The Wireless Experiment Box (WEB) was proposed to work with the International Space Station (ISS) External Wireless Communication (EWC) system to support high-definition video from the Dextre Pointing Package (DPP). DPP/WEB was a NASA GSFC proposed ExPRESS Logistics Carrier (ELC) payload designed to flight test an integrated suite of Autonomous Rendezvous and Docking (AR&D) technologies to enable a wide spectrum of future missions across NASA and other US Government agencies. The ISS EWC uses COTS Wireless Access Points (WAPs) to provide high-rate bi-directional communications to ISS. In this paper, we discuss WEB s packaging, operation, antenna development, and performance testing.

  19. Web: A Wireless Experiment Box for the Dextre Pointing Package ELC Payload

    NASA Technical Reports Server (NTRS)

    Bleier, Leor Z.; Marrero-Fontanez, Victor J.; Sparacino, Pietro A.; Moreau, Michael C.; Mitchell, Jason W.

    2012-01-01

    The Wireless Experiment Box (WEB) was proposed to work with the International Space Station (ISS) External Wireless Communication (EWC) system to support high-definition video from the Dextre Pointing Package (DPP). DPP/WEB was a NASA GSFC proposed ExPRESS Logistics Carrier (ELC) payload designed to flight test an integrated suite of Autonomous Rendezvous and Docking (AR&D) technologies to enable a wide spectrum of future missions across NASA and other US Government agencies. The ISS EWC uses COTS Wireless Access Points (WAPs) to provide high-rate bi-directional communications to ISS. In this paper, we discuss WEB s packaging, operation, antenna development, and performance testing.

  20. Black-box Brain Experiments, Causal Mathematical Logic, and the Thermodynamics of Intelligence

    NASA Astrophysics Data System (ADS)

    Pissanetzky, Sergio; Lanzalaco, Felix

    2013-12-01

    Awareness of the possible existence of a yet-unknown principle of Physics that explains cognition and intelligence does exist in several projects of emulation, simulation, and replication of the human brain currently under way. Brain simulation projects define their success partly in terms of the emergence of non-explicitly programmed biophysical signals such as self-oscillation and spreading cortical waves. We propose that a recently discovered theory of Physics known as Causal Mathematical Logic (CML) that links intelligence with causality and entropy and explains intelligent behavior from first principles, is the missing link. We further propose the theory as a roadway to understanding more complex biophysical signals, and to explain the set of intelligence principles. The new theory applies to information considered as an entity by itself. The theory proposes that any device that processes information and exhibits intelligence must satisfy certain theoretical conditions irrespective of the substrate where it is being processed. The substrate can be the human brain, a part of it, a worm's brain, a motor protein that self-locomotes in response to its environment, a computer. Here, we propose to extend the causal theory to systems in Neuroscience, because of its ability to model complex systems without heuristic approximations, and to predict emerging signals of intelligence directly from the models. The theory predicts the existence of a large number of observables (or "signals"), all of which emerge and can be directly and mathematically calculated from non-explicitly programmed detailed causal models. This approach is aiming for a universal and predictive language for Neuroscience and AGI based on causality and entropy, detailed enough to describe the finest structures and signals of the brain, yet general enough to accommodate the versatility and wholeness of intelligence. Experiments are focused on a black-box as one of the devices described above of which

  1. PI-in-a-box: Intelligent onboard assistance for spaceborne experiments in vestibular physiology

    NASA Technical Reports Server (NTRS)

    Colombano, Silvano; Young, Laurence; Wogrin, Nancy; Rosenthal, Don

    1988-01-01

    In construction is a knowledge-based system that will aid astronauts in the performance of vestibular experiments in two ways: it will provide real-time monitoring and control of signals and it will optimize the quality of the data obtained, by helping the mission specialists and payload specialists make decisions that are normally the province of a principal investigator, hence the name PI-in-a-box. An important and desirable side-effect of this tool will be to make the astronauts more productive and better integrated members of the scientific team. The vestibular experiments are planned by Prof. Larry Young of MIT, whose team has already performed similar experiments in Spacelab missions SL-1 and D-1, and has experiments planned for SLS-1 and SLS-2. The knowledge-based system development work, performed in collaboration with MIT, Stanford University, and the NASA-Ames Research Center, addresses six major related functions: (1) signal quality monitoring; (2) fault diagnosis; (3) signal analysis; (4) interesting-case detection; (5) experiment replanning; and (6) integration of all of these functions within a real-time data acquisition environment. Initial prototyping work has been done in functions (1) through (4).

  2. Bonn eXperimental System (BoXS): An open-source platform for interactive experiments in psychology and economics.

    PubMed

    Seithe, Mirko; Morina, Jeronim; Glöckner, Andreas

    2016-12-01

    The increased interest in complex-interactive behavior on the one hand and the cognitive and affective processes underlying behavior on the other are a challenge for researchers in psychology and behavioral economics. Research often necessitates that participants strategically interact with each other in dyads or groups. At the same time, to investigate the underlying cognitive and affective processes in a fine-grained manner, not only choices but also other variables such as decision time, information search, and pupil dilation should be recorded. The Bonn eXperimental System (BoXS) introduced in this article is an open-source platform that allows interactive as well as non-interactive experiments to be conducted while recording process measures very efficiently and completely browser-based. In the current version, BoXS has particularly been extended to enable conducting interactive eye-tracking and mouse-tracking experiments. One core advantage of BoXS is its simplicity. Using BoXS does not require prior installation for both experimenters and participants, which allows for running studies outside the laboratory and over the internet. Learning to program for BoXS is easy even for researchers without previous programming experience.

  3. Educating the Public about Meteorites and Impacts through Virtual Field Trips and Classroom Experience Boxes

    NASA Astrophysics Data System (ADS)

    Ashcraft, Teresa; Hines, R.; Minitti, M.; Taylor, W.; Morris, M. A.; Wadhwa, M.

    2014-01-01

    With specimens representing over 2,000 individual meteorites, the Center for Meteorite Studies (CMS) at Arizona State University (ASU) is home to the world's largest university-based meteorite collection. As part of our mission to provide educational opportunities that expand awareness and understanding of the science of meteoritics, CMS continues to develop new ways to engage the public in meteorite and space science, including the opening of a new Meteorite Gallery, and expansion of online resources through upgrades to the CMS website, meteorites.asu.edu. In 2008, CMS was the recipient of a philanthropic grant to improve online education tools and develop loanable modules for educators. These modules focus on the origin of meteorites, and contain actual meteorite specimens, media resources, a user guide, and lesson plans, as well as a series of engaging activities that utilize hands-on materials geared to help students develop logical thinking, analytical skills, and proficiency in STEM disciplines. In 2010, in partnership with the ASU NASA Astrobiology Institute team, CMS obtained a NASA EPOESS grant to develop Virtual Field Trips (VFTs) complemented by loanable “Experience Boxes” containing lesson plans, media, and hands-on objects related to the VFT sites. One VFT-Box pair focuses on the record of the oldest multicellular organisms on Earth. The second VFT-Box pair focuses on the Upheaval Dome (UD) structure, a meteorite impact crater in Utah’s Canyonlands National Park. UD is widely accepted as the deeply eroded remnant of a ~5 kilometer impact crater (e.g. Kriens et al., 1999). The alternate hypothesis that the Dome was formed by the upwelling of salt from a deposit underlying the region (e.g. Jackson et al., 1998) makes UD an ideal site to learn not only about specific scientific principles present in the Next Generation Science Standards, but also the process of scientific inquiry. The VFTs are located on an interactive website dedicated to VFTs, vft

  4. PI-in-a-box: An expert system to advise astronauts during experiments

    NASA Technical Reports Server (NTRS)

    Young, Laurence R.

    1990-01-01

    Perhaps the scarcest resource for manned flight experiments - on Spacelab or on Space Station Freedom - will continue to be crew time. To maximize the efficiency of the crew, and to make use of their abilities to work as scientist collaborators as well as equipment operators, normally requires more training in a wide variety of disciplines than is practical. The successful application of on-board expert systems, as envisioned by the 'Principal Investigator (PI)-in-a-Box' program, should alleviate the training bottleneck and provide the astronaut with the guidance and coaching needed to permit him or her to operate an experiment according to the desires and knowledge of the PI, despite changes in conditions. In addition to the functions of providing expert devise concerning scheduling and repair, the program should bring the astronaut into the scientific evaluation phase of an experiment by sharing with him the guidance and observations regarding the relevance and importance of data as it is being generated. Initial reaction from the astronaut community has been positive.

  5. PI-in-a-box: An expert system to advise astronauts during experiments

    NASA Technical Reports Server (NTRS)

    Young, Laurence R.

    1990-01-01

    Perhaps the scarcest resource for manned flight experiments - on Spacelab or on Space Station Freedom - will continue to be crew time. To maximize the efficiency of the crew, and to make use of their abilities to work as scientist collaborators as well as equipment operators, normally requires more training in a wide variety of disciplines than is practical. The successful application of on-board expert systems, as envisioned by the 'Principal Investigator (PI)-in-a-Box' program, should alleviate the training bottleneck and provide the astronaut with the guidance and coaching needed to permit him or her to operate an experiment according to the desires and knowledge of the PI, despite changes in conditions. In addition to the functions of providing expert devise concerning scheduling and repair, the program should bring the astronaut into the scientific evaluation phase of an experiment by sharing with him the guidance and observations regarding the relevance and importance of data as it is being generated. Initial reaction from the astronaut community has been positive.

  6. Magical Boxes

    ERIC Educational Resources Information Center

    Costello, Judith

    2005-01-01

    Students get excited when they realize that they can transform a flat sheet of paper into a box. By using different sizes of paper, they can make different sizes of boxes and put a box inside a box, inside a box. These magical boxes within boxes can contain unwanted emotions or special treasures. The project described in this article incorporates…

  7. Magical Boxes

    ERIC Educational Resources Information Center

    Costello, Judith

    2005-01-01

    Students get excited when they realize that they can transform a flat sheet of paper into a box. By using different sizes of paper, they can make different sizes of boxes and put a box inside a box, inside a box. These magical boxes within boxes can contain unwanted emotions or special treasures. The project described in this article incorporates…

  8. Einstein's boxes

    NASA Astrophysics Data System (ADS)

    Norsen, Travis

    2005-02-01

    At the 1927 Solvay conference, Albert Einstein presented a thought experiment intended to demonstrate the incompleteness of the quantum mechanical description of reality. In the following years, the experiment was modified by Einstein, de Broglie, and several other commentators into a simple scenario involving the splitting in half of the wave function of a single particle in a box. This paper collects together several formulations of this thought experiment from the literature, analyzes and assesses it from the point of view of the Einstein-Bohr debates, the EPR dilemma, and Bell's theorem, and argues for "Einstein's Boxes" taking its rightful place alongside similar but historically better known quantum mechanical thought experiments such as EPR and Schrödinger's Cat.

  9. Characterizing Exoplanets with 2-meter Class Space-based Coronagraphs

    NASA Astrophysics Data System (ADS)

    Robinson, T. D.; Marley, M. S.; Stapelfeldt, K. R.

    2015-12-01

    Several concepts now exist for small, space-based missions to directly characterize exoplanets in reflected light. In this presentation, we explore how instrumental and astrophysical parameters will affect the ability of such missions to obtain spectral and photometric observations that are useful for characterizing their planetary targets. We discuss the development of an instrument noise model suitable for studying the spectral characterization potential of a coronagraph-equipped, space-based telescope. To be consistent with near-future missions and technologies, we assume a baseline set of telescope and instrument parameters that include a 2 meter diameter primary aperture, an operational wavelength range of 0.4-1.0 μm, and an instrument spectral resolution of λ/Δλ=70. We present applications of our baseline noise simulator to a variety of spectral models of different planet types, emphasizing Earth-like planets. With our exoplanet spectral models, we explore wavelength-dependent planet-star flux ratios for main sequence stars of various effective temperatures, and discuss how coronagraph inner and outer working angle constraints will influence the potential to study different types of planets. For planets most favorable to spectroscopic characterization—including nearby Earth twins and super-Earths—we study the integration times required to achieve moderate signal-to-noise ratio spectra. We also explore the sensitivity of the integration times required to detect the base of key absorption bands (for water vapor and molecular oxygen) to coronagraph raw contrast performance, exozodiacal light levels, and the distance to the planetary system. We will also discuss prospects for detecting ocean glint, a habitability signature, from nearby Earth-like planets, as well as the extension of our models to a more distant future Large UV-Optical-InfraRed (LUVOIR) mission.

  10. Jeweled Boxes

    ERIC Educational Resources Information Center

    Coy, Mary

    2009-01-01

    While an empty cardboard box from a ream of copy paper may be the most coveted box among teachers in the author's school, for other people, brass boxes from India, Khokhlova lacquer boxes from Russia, and puzzle boxes from Japan are more the type that are collected and admired. Whether it is used for storage or decoration, a box can evoke a sense…

  11. Jeweled Boxes

    ERIC Educational Resources Information Center

    Coy, Mary

    2009-01-01

    While an empty cardboard box from a ream of copy paper may be the most coveted box among teachers in the author's school, for other people, brass boxes from India, Khokhlova lacquer boxes from Russia, and puzzle boxes from Japan are more the type that are collected and admired. Whether it is used for storage or decoration, a box can evoke a sense…

  12. Decision boxes for clinicians to support evidence-based practice and shared decision making: the user experience.

    PubMed

    Giguere, Anik; Légaré, France; Grad, Roland; Pluye, Pierre; Haynes, R Brian; Cauchon, Michel; Rousseau, François; Alvarez Argote, Juliana; Labrecque, Michel

    2012-08-03

    This project engages patients and physicians in the development of Decision Boxes, short clinical topic summaries covering medical questions that have no single best answer. Decision Boxes aim to prepare the clinician to communicate the risks and benefits of the available options to the patient so they can make an informed decision together. Seven researchers (including four practicing family physicians) selected 10 clinical topics relevant to primary care practice through a Delphi survey. We then developed two one-page prototypes on two of these topics: prostate cancer screening with the prostate-specific antigen test, and prenatal screening for trisomy 21 with the serum integrated test. We presented the prototypes to purposeful samples of family physicians distributed in two focus groups, and patients distributed in four focus groups. We used the User Experience Honeycomb to explore barriers and facilitators to the communication design used in Decision Boxes. All discussions were transcribed, and three researchers proceeded to thematic content analysis of the transcriptions. The coding scheme was first developed from the Honeycomb's seven themes (valuable, usable, credible, useful, desirable, accessible, and findable), and included new themes suggested by the data. Prototypes were modified in light of our findings. Three rounds were necessary for a majority of researchers to select 10 clinical topics. Fifteen physicians and 33 patients participated in the focus groups. Following analyses, three sections were added to the Decision Boxes: introduction, patient counseling, and references. The information was spread to two pages to try to make the Decision Boxes less busy and improve users' first impression. To try to improve credibility, we gave more visibility to the research institutions involved in development. A statement on the boxes' purpose and a flow chart representing the shared decision-making process were added with the intent of clarifying the tool

  13. Decision boxes for clinicians to support evidence-based practice and shared decision making: the user experience

    PubMed Central

    2012-01-01

    Background This project engages patients and physicians in the development of Decision Boxes, short clinical topic summaries covering medical questions that have no single best answer. Decision Boxes aim to prepare the clinician to communicate the risks and benefits of the available options to the patient so they can make an informed decision together. Methods Seven researchers (including four practicing family physicians) selected 10 clinical topics relevant to primary care practice through a Delphi survey. We then developed two one-page prototypes on two of these topics: prostate cancer screening with the prostate-specific antigen test, and prenatal screening for trisomy 21 with the serum integrated test. We presented the prototypes to purposeful samples of family physicians distributed in two focus groups, and patients distributed in four focus groups. We used the User Experience Honeycomb to explore barriers and facilitators to the communication design used in Decision Boxes. All discussions were transcribed, and three researchers proceeded to thematic content analysis of the transcriptions. The coding scheme was first developed from the Honeycomb’s seven themes (valuable, usable, credible, useful, desirable, accessible, and findable), and included new themes suggested by the data. Prototypes were modified in light of our findings. Results Three rounds were necessary for a majority of researchers to select 10 clinical topics. Fifteen physicians and 33 patients participated in the focus groups. Following analyses, three sections were added to the Decision Boxes: introduction, patient counseling, and references. The information was spread to two pages to try to make the Decision Boxes less busy and improve users’ first impression. To try to improve credibility, we gave more visibility to the research institutions involved in development. A statement on the boxes’ purpose and a flow chart representing the shared decision-making process were added with the

  14. Soil carbon changes: comparing flux monitoring and mass balance in a box lysimeter experiment.

    Treesearch

    S.M. Nay; B.T. Bormann

    2000-01-01

    Direct measures of soil-surface respiration are needed to evaluate belowground biological processes, forest productivity, and ecosystem responses to global change. Although infra-red gas analyzer {IRGA) methods track reference CO2 flows in lab studies, questions remain for extrapolating IRGA methods to field conditions. We constructed 10 box...

  15. An Improved Box Theater

    NASA Astrophysics Data System (ADS)

    Huster, Michael E.

    2011-09-01

    While designing an optics lab for a conceptual physics course, I came across a "box theater" activity. The box theater is a pinhole camera obscura made from a box that students put over their heads and shoulders. I use the activity as a capstone experience to explain optical systems. (Classroom demonstrations of the camera obscura have been described by others.2) First, the students build and experiment with a camera obscura made from a plastic cup and a convex lens with a focal length of 7.5 cm, and then "wear" the box theater. The difficulty with the box theater is the dimness of the image. A cloth drape has to be hung from the bottom of the box around the shoulders of the students to prevent light leakage, and the students have to wait a few minutes for their eyes to adjust to the darkness.

  16. High Altitude Flight Test of a 40-Foot Diameter (12.2 meter) Ringsail Parachute

    NASA Technical Reports Server (NTRS)

    1970-01-01

    High Altitude Flight Test of a 40-Foot Diameter (12.2 meter) Ringsail Parachute at Deployment Mach Number of 2.95. A 40-foot-nominal-diameter (12.2-meter) modified ringsail parachute was flight tested as part of the NASA Supersonic High Altitude Parachute Experiment (SHAPE) program. The 41-pound (18.6-kg) test parachute system was deployed from a 239.5-pound (108.6-kg) instrumented payload by means of a deployment mortar when the payload was at an altitude of 171,400 feet (52.3 km), a Mach number of 2.95, and a free-stream dynamic pressure of 9.2 lb/sq ft (440 N/m(exp 2)). The parachute deployed properly, suspension line stretch occurring 0.54 second after mortar firing with a resulting snatch-force loading of 932 pounds (4146 newtons). The maximum loading due to parachute opening was 5162 pounds (22 962 newtons) at 1.29 seconds after mortar firing. The first near full inflation of the canopy at 1.25 seconds after mortar firing was followed immediately by a partial collapse and subsequent oscillations of frontal area until the system had decelerated to a Mach number of about 1.5. The parachute then attained a shape that provided full drag area. During the supersonic part of the test, the average axial-force coefficient varied from a minimum of about 0.24 at a Mach number of 2.7 to a maximum of 0.54 at a Mach number of 1.1. During descent under subsonic conditions, the average effective drag coefficient was 0.62 and parachute-payload oscillation angles averaged about &loo with excursions to +/-20 degrees. The recovered parachute was found to have slight damage in the vent area caused by the attached deployment bag and mortar lid. [Entire movie available on DVD from CASI as Doc ID 20070031005. Contact help@sti.nasa.gov

  17. Station report on the Goddard Space Flight Center (GSFC) 1.2 meter telescope facility

    NASA Technical Reports Server (NTRS)

    Mcgarry, Jan F.; Zagwodzki, Thomas W.; Abbott, Arnold; Degnan, John J.; Cheek, Jack W.; Chabot, Richard S.; Grolemund, David A.; Fitzgerald, Jim D.

    1993-01-01

    The 1.2 meter telescope system was built for the Goddard Space Flight Center (GSFC) in 1973-74 by the Kollmorgen Corporation as a highly accurate tracking telescope. The telescope is an azimuth-elevation mounted six mirror Coude system. The facility has been used for a wide range of experimentation including helioseismology, two color refractometry, lunar laser ranging, satellite laser ranging, visual tracking of rocket launches, and most recently satellite and aircraft streak camera work. The telescope is a multi-user facility housed in a two story dome with the telescope located on the second floor above the experimenter's area. Up to six experiments can be accommodated at a given time, with actual use of the telescope being determined by the location of the final Coude mirror. The telescope facility is currently one of the primary test sites for the Crustal Dynamics Network's new UNIX based telescope controller software, and is also the site of the joint Crustal Dynamics Project / Photonics Branch two color research into atmospheric refraction.

  18. Opening the Black Box: The Experiences and Lessons From the Public Hospitals Autonomy Policy in Iran.

    PubMed

    Doshmangir, Leila; Rashidian, Arash; Jafari, Mehdi; Takian, Amirhossein; Ravaghi, Hamid

    2015-07-01

    Policy formulation and adoption often happen in a black box. Implementation challenges affect and modify the nature of a policy. We analyzed hospitals' autonomy policy in Iran that was intended to reduce hospitals' financial burden on government and improve their efficiency. We followed a retrospective case-study methodology, involving inductive and deductive analyses of parliamentary proceedings, policy documents, gray literature, published papers and interview transcripts. We analyzed data to develop a policy map that included important dates and events leading to the policy process milestones. We identified four time-periods with distinctive features: 'moving toward the policy' (1989 - 1994), disorganized implementation' (1995 - 1997), 'continuing challenges and indecisiveness in hospitals financing' (1998 - 2003), and 'other structural and financial policies in public hospitals' (2004 to date). We found that stakeholders required different and conflicting objectives, which certainly resulted in an unsatisfactory implementation process. The policy led to long-lasting and often negative changes in the hospital sector and the entire Iranian health system. Hospital autonomy appeared to be an ill-advised policy to remedy the inefficiency problems in low socioeconomic areas of the country. The assumption that hospital autonomy reforms would necessarily result in a better health system, may be a false assumption as their success relies on many contextual, structural and policy implementation factors.

  19. Characterization and comparison of seismic signals emitted during field scale sheer box experiments and artificially induced landslides

    NASA Astrophysics Data System (ADS)

    Yfantis, Georgios; Martinez Carvajal, Hernan Eduardo; Pytharouli, Stella; Lunn, Rebecca

    2014-05-01

    The identification and detection of landslide induced seismic signals, recorded by deployed seismometers on active landslides has been the subject of many studies. The most commonly faced problem is the uncertainty in identifying which of the recorded signals are representing a movement or a failure in the landslide's body. In this paper we present two novel experimental campaigns; 1) field scale laboratory experiments of a 65cm diameter sheer box, 2) artificially induced failure of two, two-meter high vertical soil slopes. Using a field scale sheer box we recorded seismic signals emitted during soil slippage events, a phenomenon observed at a landslide's failure plain. This was implemented by displacing, a few centimeters at a time (1-10cm), a concrete cylinder filled with soil along a corridor free from vegetation. The field scale sheer box methodology allows control over a large number of parameters that affect a landslide. For example, it is possible to control soil saturation thus simulating different rain events or control the stress field on the soil's slippage surface simulating displacement events at different depths. More than 40 displacement events were induced under four different loading conditions between 472kg to 829kg. All soil slippage events were recorded above the levels of background seismic noise. Repetition of the methodology under the same experimental conditions resulted in similar seismic signals allowing us to define a 'characteristic seismic response' for soils. In the second experimental campaign, two controlled landslides were experimentally induced by increasing the vertical load on top of a 2m soil scarp. We were able to detect from 1 to 10 centimeter wide crack propagations and displacements, and approximately 20x20x10cm to 100x50x20cm block failure events based on microseismic recordings, field notes, video recordings and displacement measurements of the landslide's crown that failed during the experiments. Direct correlation

  20. A Plant That Escapes from a Locked Box...and Other Growing Experiments.

    ERIC Educational Resources Information Center

    Kirkman, Will

    1979-01-01

    Seven easy-to-do experiments with plants are outlined to aid in teaching children about plants: their search for water, food, and light; a variety of rooting systems; and the effects of soil temperatures. (JMF)

  1. A Plant That Escapes from a Locked Box...and Other Growing Experiments.

    ERIC Educational Resources Information Center

    Kirkman, Will

    1979-01-01

    Seven easy-to-do experiments with plants are outlined to aid in teaching children about plants: their search for water, food, and light; a variety of rooting systems; and the effects of soil temperatures. (JMF)

  2. A Strange Box and a Stubborn Brit: Rutherford's Experiments with Alpha Particles.

    ERIC Educational Resources Information Center

    Digilov, M.

    1991-01-01

    Discusses 5 innovative experiments conducted by Rutherford in early 1900s utilizing the 30 milligrams of radium salt he personally carried from Europe to Canada in 1903. Traces his work with alpha particles from his original results which determined their nature, charge, and mass, to his technique of backscattering which helped to advance…

  3. A Strange Box and a Stubborn Brit: Rutherford's Experiments with Alpha Particles.

    ERIC Educational Resources Information Center

    Digilov, M.

    1991-01-01

    Discusses 5 innovative experiments conducted by Rutherford in early 1900s utilizing the 30 milligrams of radium salt he personally carried from Europe to Canada in 1903. Traces his work with alpha particles from his original results which determined their nature, charge, and mass, to his technique of backscattering which helped to advance…

  4. Quantum Dots in a Polymer Composite: A Convenient Particle-in-a-Box Laboratory Experiment

    ERIC Educational Resources Information Center

    Rice, Charles V.; Giffin, Guinevere A.

    2008-01-01

    Semiconductor quantum dots are at the forefront of materials science chemistry with applications in biological imaging and photovoltaic technologies. We have developed a simple laboratory experiment to measure the quantum-dot size from fluorescence spectra. A major roadblock of quantum-dot based exercises is the particle synthesis and handling;…

  5. Quantum Dots in a Polymer Composite: A Convenient Particle-in-a-Box Laboratory Experiment

    ERIC Educational Resources Information Center

    Rice, Charles V.; Giffin, Guinevere A.

    2008-01-01

    Semiconductor quantum dots are at the forefront of materials science chemistry with applications in biological imaging and photovoltaic technologies. We have developed a simple laboratory experiment to measure the quantum-dot size from fluorescence spectra. A major roadblock of quantum-dot based exercises is the particle synthesis and handling;…

  6. Boxed In!

    ERIC Educational Resources Information Center

    Stevens, Judith

    2007-01-01

    Early years practitioners know what parents are reminded of every Christmas Day--it does not matter how long families spend carefully selecting the presents, the children are likely to spend longer playing with the empty boxes! Children are fascinated with boxes and practitioners can capitalise on this and support early mathematical development…

  7. Bento Boxes

    ERIC Educational Resources Information Center

    Hasio, Cindy

    2010-01-01

    Bento boxes are common objects in Japanese culture, designed to hold enough lunch for one person. They have individual compartments and sometimes multiple tiers for rice, vegetables, and other side dishes. They are made of materials ranging from wood, cloth, aluminum, or plastic. In general, the greater the number of foods, the better the box is…

  8. Bento Boxes

    ERIC Educational Resources Information Center

    Hasio, Cindy

    2010-01-01

    Bento boxes are common objects in Japanese culture, designed to hold enough lunch for one person. They have individual compartments and sometimes multiple tiers for rice, vegetables, and other side dishes. They are made of materials ranging from wood, cloth, aluminum, or plastic. In general, the greater the number of foods, the better the box is…

  9. Connecting bacterial colonization to physical and biochemical changes in a sand box infiltration experiment

    NASA Astrophysics Data System (ADS)

    Rubol, S.; Freixa, A.; Carles-Brangarí, A.; Fernàndez-Garcia, D.; Romaní, A. M.; Sanchez-Vila, X.

    2014-09-01

    Infiltration through sediments is linked to complex biogeochemical processes occurring at small spatial scales, often leading to a progressive reduction in infiltration rates due to microbial growth and/or mechanical clogging. Unraveling the linkage between microbial dynamics and water infiltration in a heterogeneous medium is of concern in artificial recharge ponds and natural infiltration systems. We present an 84-day laboratory infiltration experiment that aims at studying the temporal variation of selected biogeochemical parameters at different depths along the infiltration path. The experimental setup consists of a 1.2 m high tank packed with a heterogeneous soil and instrumented with arrays of sensors as well as soil and liquid samplers. Results indicate that: (i) microbial processes are responsible for infiltration reduction, enhancing the spatially heterogeneous distribution of infiltration rates with time, (ii) bacteria and extracellular polymeric substances (EPS) are present at all monitored depths, indicating the potential for deep biological clogging, (iii) bacteria functioning and richness exhibit depth zonation after the system reaches a mature state and (iv) the retention curve changes towards highest saturation by the end of the experiment. The increase in water holding capacity is largest at depth, where the presence of EPS is noticeable. The reduction in time of the quantity of water infiltrating along the tank can only be accounted for with a truly interdisciplinary approach involving physical, chemical and biological processes.

  10. Small, Lightweight, Collapsible Glove Box

    NASA Technical Reports Server (NTRS)

    James, Jerry

    2009-01-01

    A small, lightweight, collapsible glove box enables its user to perform small experiments and other tasks. Originally intended for use aboard a space shuttle or the International Space Station (ISS), this glove box could also be attractive for use on Earth in settings in which work space or storage space is severely limited and, possibly, in which it is desirable to minimize weight. The development of this glove box was prompted by the findings that in the original space-shuttle or ISS setting, (1) it was necessary to perform small experiments in a large general-purpose work station, so that, in effect, they occupied excessive space; and it took excessive amounts of time to set up small experiments. The design of the glove box reflects the need to minimize the space occupied by experiments and the time needed to set up experiments, plus the requirement to limit the launch weight of the box and the space needed to store the box during transport into orbit. To prepare the glove box for use, the astronaut or other user has merely to insert hands through the two fabric glove ports in the side walls of the box and move two hinges to a locking vertical position (see figure). The user could do this while seated with the glove box on the user fs lap. When stowed, the glove box is flat and has approximately the thickness of two pieces of 8-in. (.20 cm) polycarbonate.

  11. The Mechanics of Coulomb Wedges: Comparison Between a Numerical Model (Boundary Element Method) and a Sand-Box Experiment.

    NASA Astrophysics Data System (ADS)

    Del Castello, M.; Cooke, M.

    2006-12-01

    Fold and thrust belts have been successfully modelled using either physical or numerical methods in recent years. The two methods have well-known advantages and drawbacks for investigating contractional processes. In this work we have applied the Boundary Element Method code in order to closely reproduce successive snapshots of deformation accumulated within a sand-box experiment. Our numerical models provide a quantitative mechanical analysis of the deformation observed in analogue models of non-cohesive Coulomb wedges during an underthrusting/accretion transition. Model results show that the total work done by the contracting wedge increases during the underthrusting stage up to a critical value when the propagation of a frontal thrust significantly reduces the work required for further deformation. This transition occurs when the energetic cost of developing a new forethrust is less than the benefit of growing this new fault. The elastic numerical model predicts the location of the maximum shear stress on the basal dècollement just prior to the propagation of the sole thrust as well as the energetically most viable position for the nucleation of new forethrust ramp. These positions do not coincide. Furthermore, the forethrust within the sandbox experiment develops at the energetically favoured position rather than the location of greatest shear stress suggesting that the new thrust ramps develop first ahead and then link down and backward to the propagating basal dècollement. As a result, the most efficient location for a new thrust ramp is where gravitational, frictional, internal and propagation work terms are optimally combined. The trade-off between the dominant frictional and internal work terms is fuelled by overburden weight, which reduces slip on thrust ramps until the internal work stored in the surrounding deforming material reaches a critical value. The correlation of our numerical results with analogue experiments validates use of the principle of

  12. Evaluation of a Lagrangian box model using field measurements from EASE (Eastern Atlantic Summer Experiment) 1996

    NASA Astrophysics Data System (ADS)

    Evans, M. J.; Shallcross, D. E.; Law, K. S.; Wild, J. O. F.; Simmonds, P. G.; Spain, T. G.; Berrisford, P.; Methven, J.; Lewis, A. C.; McQuaid, J. B.; Pilling, M. J.; Bandy, B. J.; Penkett, S. A.; Pyle, J. A.

    The Cambridge Tropospheric Trajectory model of Chemistry and Transport (CiTTyCAT), a Lagrangian chemistry model, has been evaluated using atmospheric chemical measurements collected during the East Atlantic Summer Experiment 1996 (EASE '96). This field campaign was part of the UK Natural Environment Research Council's (NERC) Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE) programme, conducted at Mace Head, Republic of Ireland, during July and August 1996. The model includes a description of gas-phase tropospheric chemistry, and simple parameterisations for surface deposition, mixing from the free troposphere and emissions. The model generally compares well with the measurements and is used to study the production and loss of O 3 under a variety of conditions. The mean difference between the hourly O 3 concentrations calculated by the model and those measured is 0.6 ppbv with a standard deviation of 8.7 ppbv. Three specific air-flow regimes were identified during the campaign - westerly, anticyclonic (easterly) and south westerly. The westerly flow is typical of background conditions for Mace Head. However, on some occasions there was evidence of long-range transport of pollutants from North America. In periods of anticyclonic flow, air parcels had collected emissions of NO x and VOCs immediately before arriving at Mace Head, leading to O 3 production. The level of calculated O 3 depends critically on the precise details of the trajectory, and hence on the emissions into the air parcel. In several periods of south westerly flow, low concentrations of O 3 were measured which were consistent with deposition and photochemical destruction inside the tropical marine boundary layer.

  13. Film Boxes.

    ERIC Educational Resources Information Center

    Osterer, Irv

    2002-01-01

    Presents an art lesson in which students created three-dimensional designs for 35mm film packages to improve graphic arts learning. Describes how the students examined and created film boxes using QuarkXPress software. (CMK)

  14. Film Boxes.

    ERIC Educational Resources Information Center

    Osterer, Irv

    2002-01-01

    Presents an art lesson in which students created three-dimensional designs for 35mm film packages to improve graphic arts learning. Describes how the students examined and created film boxes using QuarkXPress software. (CMK)

  15. Investigation of Structural Dynamics in a 2-Meter Square Solar Sail Model Including Axial Load Effects

    NASA Technical Reports Server (NTRS)

    Holland, D. B.; Virgin, L. N.; Belvin, W. K.

    2003-01-01

    This paper presents a parameter study of the effect of boom axial loading on the global dynamics of a 2-meter solar sail scale model. The experimental model used is meant for building expertise in finite element analysis and experimental execution, not as a predecessor to any planned flight mission or particular design concept. The results here are to demonstrate the ability to predict and measure structural dynamics and mode shapes in the presence of axial loading.

  16. High Altitude Flight Test of a Reefed 12.2 Meter Diameter Disk-Gap-Band Parachute with Deployment

    NASA Technical Reports Server (NTRS)

    1971-01-01

    High Altitude Flight Test of a Reefed 12.2 Meter Diameter Disk-Gap-Band Parachute with Deployment at Mach Number of 2.58. A reefed 12.2-meter nominal-diameter (40-ft) disk-gap-band parachute was flight tested as part of the NASA Supersonic High Altitude Parachute Experiment (SHAPE) program. A three-stage rocket was used to drive the instrumented payload to an altitude of 43.6 km (143,000 ft), a Mach number of 2.58, and a dynamic pressure of 972 N/m(exp 2) (20.3 lb/ft(exp 2)) where the parachute was deployed by means of a mortar. The parachute deployed satisfactorily and reached a partially inflated condition characterized by irregular variations in parachute projected area. A full, stable reefed inflation was achieved when the system had decelerated to a Mach number of about 1.5. The steady, reefed projected area was 49 percent of the steady, unreefed area and the average drag coefficient was 0.30. Disreefing occurred at a Mach number of 0.99 and a dynamic pressure of 81 N/m(exp 2) (1.7 lb/ft(exp 2)). The parachute maintained a steady inflated shape for the remainder of the deceleration portion of the flight and throughout descent. During descent, the average effective drag coefficient was 0.57. There was little, if any, coning motion, and the amplitude of planar oscillations was generally less than 10 degrees. The film also shows a wind tunnel test of a 1.7-meter-diameter parachute inflating at Mach number 2.0. [Entire movie available on DVD from CASI as Doc ID 20070031007. Contact help@sti.nasa.gov

  17. A 1.2 meter balloon-borne telescope for a submillimeter wave sky survey

    NASA Technical Reports Server (NTRS)

    Silverberg, R. F.; Hauser, M. G.; Mather, J. C.; Gezari, D. Y.; Kelsall, T.; Cheung, L. H.

    1979-01-01

    A balloon-borne, 1.2 meter Cassegrain telescope designed for diffraction-limited imagery at 100 microns is being developed for a survey of the Galactic plane at submillimeter wavelengths. The telescope pointing system is servocontrolled using a gyroscope for the primary stabilization reference. Extensive use is made of microprocessors for flight sequencing, pointing control and stabilization, and telemetry formatting. A description of the telescope, helium-cooled detectors, and the orientation subsystems are presented together with a brief discussion of the proposed astronomical observations.

  18. Exploding Boxes

    ERIC Educational Resources Information Center

    Kinney; Jan

    2011-01-01

    How do you teach the "same old, same old" in an interesting and inexpensive way? Art teachers are forever looking for new angles on the good-old elements and principles. And, as budgets tighten, they are trying to be as frugal as possible while still holding their students' attention. Enter exploding boxes! In conceptualizing the three types of…

  19. Exploding Boxes

    ERIC Educational Resources Information Center

    Kinney; Jan

    2011-01-01

    How do you teach the "same old, same old" in an interesting and inexpensive way? Art teachers are forever looking for new angles on the good-old elements and principles. And, as budgets tighten, they are trying to be as frugal as possible while still holding their students' attention. Enter exploding boxes! In conceptualizing the three types of…

  20. Synthesis of Bis(1,2-Dimethylimidazole)Copper(I)Hexafluorophosphate: An Experiment Using a Glove Box

    ERIC Educational Resources Information Center

    Niewahner, J. H.; Walters, Keith A.

    2007-01-01

    A detailed description of the synthesis of bis(1,2-dimethylimidazole)copper(I) hexafluorophosphate by using techniques in a glove box is presented. The results shows that the synthesis of the copper complex has a distinct color change indicating by-product oxidation by oxygen.

  1. Synthesis of Bis(1,2-Dimethylimidazole)Copper(I)Hexafluorophosphate: An Experiment Using a Glove Box

    ERIC Educational Resources Information Center

    Niewahner, J. H.; Walters, Keith A.

    2007-01-01

    A detailed description of the synthesis of bis(1,2-dimethylimidazole)copper(I) hexafluorophosphate by using techniques in a glove box is presented. The results shows that the synthesis of the copper complex has a distinct color change indicating by-product oxidation by oxygen.

  2. 77 FR 13510 - Pacific Cod by Catcher Vessels Less Than 50 Feet (15.2 Meters) Length Overall Using Hook-and-Line...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-03-07

    ... Vessels Less Than 50 Feet (15.2 Meters) Length Overall Using Hook-and-Line Gear in the Central Regulatory... directed fishing for Pacific cod by catcher vessels (CVs) less than 50 feet (15.2 meters (m)) in...

  3. Influence of 2-meter temperature bias on birch pollen season and concentrations in the Enviro-HIRLAM

    NASA Astrophysics Data System (ADS)

    Kurganskiy, Alexander; Kaas, Eigil; Baklanov, Alexander; Mahura, Alexander; Nuterman, Roman; Rasmussen, Alix

    2016-04-01

    Forecasting the start of the birch pollen season as well as birch pollen concentrations is a challenging task from a modeling point of view. The start of birch pollen season is commonly determined by so-called Growing-Degree-Days (GDD) parameterization. GDD is based on accumulation of 2-meter daily mean air temperatures above a given threshold and supposes that birch flowering starts as soon as the accumulated temperature reaches a certain value depending on geographical location. Therefore, even a minor bias (for example, 0.5 °C) of 2-meter air temperature forecasted by a numerical weather prediction model can lead to an error of several days for simulated start of the birch pollen season. Moreover, birch pollen emission is strongly dependent on such meteorological parameters as 2-meter temperature and relative humidity, 10-meter wind speed and direction, and accumulated precipitation. So, 2-meter air temperature biases can also influence the modeled birch pollen emissions and, consequently, modeled atmospheric birch pollen concentrations. In our study, the online-coupled meteorology chemistry model Enviro-HIRLAM (Environment - High Resolution Limited Area Model) was employed to simulate birch pollen emissions, atmospheric transport, dispersion and deposition for the European domain with 15-km horizontal resolution. Model runs were performed for a case study of birch pollen season 2006 with and without attempts to correct for 2-meter air temperature biases and related changes in relative humidity. The modeled birch pollen concentrations were compared with aerobiological observations for European measurement sites. The influence of 2-meter air temperature bias correction on the start of birch pollen season and magnitude of birch pollen concentrations turns out to be important and should be included in operational setups.

  4. The new 2meter RCC Telescope in the Northern CAucasus (3100m) for Modern Astronomical Research

    NASA Astrophysics Data System (ADS)

    Tarady, V.; Yatskiv, Ya.

    A new 2 meter Ritchey-Chretien-Coude telescope in the Northern Caucasus is expected to be ready for astronomical research in late 1995. The telescope is located on the Terskol peak (near Elbrus) with the altitude of 3100 meter. The low atmospheric water vapour content and the high air transparency in the ultraviolet region allow us to infer that the Terskol peak is one of the best sites in Europe for astronomical ground observation. The mean seeing is about 1 arcsec at the Terskol peak. The main parameters of the optical system are as follows: * equivalent focal length is 16000 mm for the Ritchey-Chretien system and 72000 mm for the Coude system; * diameter of the field free from vignetting is 108' for the Ritchey-Chretien system and 5' for another one; *spot concentration is 80% inside the 0.5" circle. The new telescope will be used in investigating the fundamental problems of the star brightness variability, physics of stars and galaxies, studying the planet and satellite atmosphere dynamics. The precise astrometrical problems can also be solved with this telescope. The telescope will be equiped with the following detectors: -CCD Echelle spectrograph in the Coude focus; - astronomical infrared Fourie spectrometre; -digital panoramic polarimeter; -panoramic spectrophotometer with Fabry-Perot interferometer. This project is realized by the joint efforts of the Main Astronomical Observatory in Kiev (Ukrainian Academy of Sciences) and the International Centre for Astronomical and Medical-Ecological Investigations. Proposals for Scientific observation at the Terskol Observatory are encouraged.

  5. Quantitative image reconstruction for total-body PET imaging using the 2-meter long EXPLORER scanner

    NASA Astrophysics Data System (ADS)

    Zhang, Xuezhu; Zhou, Jian; Cherry, Simon R.; Badawi, Ramsey D.; Qi, Jinyi

    2017-03-01

    The EXPLORER project aims to build a 2 meter long total-body PET scanner, which will provide extremely high sensitivity for imaging the entire human body. It will possess a range of capabilities currently unavailable to state-of-the-art clinical PET scanners with a limited axial field-of-view. The huge number of lines-of-response (LORs) of the EXPLORER poses a challenge to the data handling and image reconstruction. The objective of this study is to develop a quantitative image reconstruction method for the EXPLORER and compare its performance with current whole-body scanners. Fully 3D image reconstruction was performed using time-of-flight list-mode data with parallel computation. To recover the resolution loss caused by the parallax error between crystal pairs at a large axial ring difference or transaxial radial offset, we applied an image domain resolution model estimated from point source data. To evaluate the image quality, we conducted computer simulations using the SimSET Monte-Carlo toolkit and XCAT 2.0 anthropomorphic phantom to mimic a 20 min whole-body PET scan with an injection of 25 MBq 18F-FDG. We compare the performance of the EXPLORER with a current clinical scanner that has an axial FOV of 22 cm. The comparison results demonstrated superior image quality from the EXPLORER with a 6.9-fold reduction in noise standard deviation comparing with multi-bed imaging using the clinical scanner.

  6. Quantitative image reconstruction for total-body PET imaging using the 2-meter long EXPLORER scanner.

    PubMed

    Zhang, Xuezhu; Zhou, Jian; Cherry, Simon R; Badawi, Ramsey D; Qi, Jinyi

    2017-03-21

    The EXPLORER project aims to build a 2 meter long total-body PET scanner, which will provide extremely high sensitivity for imaging the entire human body. It will possess a range of capabilities currently unavailable to state-of-the-art clinical PET scanners with a limited axial field-of-view. The huge number of lines-of-response (LORs) of the EXPLORER poses a challenge to the data handling and image reconstruction. The objective of this study is to develop a quantitative image reconstruction method for the EXPLORER and compare its performance with current whole-body scanners. Fully 3D image reconstruction was performed using time-of-flight list-mode data with parallel computation. To recover the resolution loss caused by the parallax error between crystal pairs at a large axial ring difference or transaxial radial offset, we applied an image domain resolution model estimated from point source data. To evaluate the image quality, we conducted computer simulations using the SimSET Monte-Carlo toolkit and XCAT 2.0 anthropomorphic phantom to mimic a 20 min whole-body PET scan with an injection of 25 MBq (18)F-FDG. We compare the performance of the EXPLORER with a current clinical scanner that has an axial FOV of 22 cm. The comparison results demonstrated superior image quality from the EXPLORER with a 6.9-fold reduction in noise standard deviation comparing with multi-bed imaging using the clinical scanner.

  7. A new disaster victim identification management strategy targeting "near identification-threshold" cases: Experiences from the Boxing Day tsunami.

    PubMed

    Wright, Kirsty; Mundorff, Amy; Chaseling, Janet; Forrest, Alexander; Maguire, Christopher; Crane, Denis I

    2015-05-01

    The international disaster victim identification (DVI) response to the Boxing Day tsunami, led by the Royal Thai Police in Phuket, Thailand, was one of the largest and most complex in DVI history. Referred to as the Thai Tsunami Victim Identification operation, the group comprised a multi-national, multi-agency, and multi-disciplinary team. The traditional DVI approach proved successful in identifying a large number of victims quickly. However, the team struggled to identify certain victims due to incomplete or poor quality ante-mortem and post-mortem data. In response to these challenges, a new 'near-threshold' DVI management strategy was implemented to target presumptive identifications and improve operational efficiency. The strategy was implemented by the DNA Team, therefore DNA kinship matches that just failed to reach the reporting threshold of 99.9% were prioritized, however the same approach could be taken by targeting, for example, cases with partial fingerprint matches. The presumptive DNA identifications were progressively filtered through the Investigation, Dental and Fingerprint Teams to add additional information necessary to either strengthen or conclusively exclude the identification. Over a five-month period 111 victims from ten countries were identified using this targeted approach. The new identifications comprised 87 adults, 24 children and included 97 Thai locals. New data from the Fingerprint Team established nearly 60% of the total near-threshold identifications and the combined DNA/Physical method was responsible for over 30%. Implementing the new strategy, targeting near-threshold cases, had positive management implications. The process initiated additional ante-mortem information collections, and established a much-needed, distinct "end-point" for unresolved cases. Copyright © 2015 Elsevier Ireland Ltd. All rights reserved.

  8. Illuminating a black box - determination of rates of reactive transport by combining numerical tools with optimized experiments

    NASA Astrophysics Data System (ADS)

    Wehrer, Dr; Totsche, Dr

    2009-04-01

    Only the combination of physical models and experiments can elucidate the processes of reactive transport in porous media. Column scale experiments offer a great opportunity to identify and quantify processes of reactive transport. In contrast to batch experiments, approximately natural flow dynamics can be realized. However, due to the complexity of interactions and wide range of parameters the experiment can be insensitive to the wanted process and misinterpretation of the results is likely. In the proposed talk we want to give examples how numerical tools can be applied for thorough planning and evaluation of experiments. In a first phase, we performed systematical numerical experiments to optimize the experimental conditions, which allow the quantification of (de-)sorption kinetics under percolation conditions. For short term column experiments we found, that the application of flow interruptions along with two different flow velocities can be applied to avoid uniqueness problems with respect to identification of partitioning coefficient and mass transfer rate. By a sensitivity analysis the parameter space was divided into regions where physical reasonable parameter estimates can be expected and where equifinal solutions are likely. In a second phase we conducted column experiments to test this optimized experimental design for its suitability for the identification and quantification of rate-limited contaminant release. We used materials polluted with organic and inorganic contaminants originating from different soils, sites and materials (Coke oven sites, abandoned industrial sites, destruction debris, municipal waste incineration ash). Repacked soil columns were percolated under saturated and unsaturated conditions and were subjected to multiple flow interruptions and different flow velocities. The third phase consisted of data evaluation and process quantification applying numerical inversion of a physical transport model. The parameter sets were evaluated

  9. Is Identification with School the Key Component in the "Black Box" of Education Outcomes? Evidence from a Randomized Experiment

    ERIC Educational Resources Information Center

    Fletcher, Jason M.

    2009-01-01

    In this paper, we follow up the important class size reduction randomized experiment in Tennessee in the mid 1980s (Project STAR) to attempt to further understand the long-lasting influences of early education interventions. While STAR led to large test score benefits during the intervention, these benefits quickly faded at its conclusion.…

  10. Is Identification with School the Key Component in the "Black Box" of Education Outcomes? Evidence from a Randomized Experiment

    ERIC Educational Resources Information Center

    Fletcher, Jason M.

    2009-01-01

    In this paper, we follow up the important class size reduction randomized experiment in Tennessee in the mid 1980s (Project STAR) to attempt to further understand the long-lasting influences of early education interventions. While STAR led to large test score benefits during the intervention, these benefits quickly faded at its conclusion.…

  11. Analysis of the Fall-1989 two-meter box test bed experiments performed at the Army Pulse Radiation Facility (APRF)

    NASA Astrophysics Data System (ADS)

    Johnson, J. O.; Drischler, J. D.; Barnes, J. M.

    This report summarizes the results of a benchmark analysis of the Monte Carlo Adjoint Shielding Code System (MASH) against a series of experiments performed at the Army Pulse Radiation Facility (APRF) in Aberdeen Proving Ground, Maryland. The series of experiments was performed in the Fall of 1989 and involved experimentalists from APRF; the Defense Research Establishment Ottawa, Canada (DREO); Bubble Technology Industries, Canada, (BTI); and the Establishment Technique Central de l'Armement, France (ETCA). The 'benchmark' analysis of MASH is designed to determine the capability of MASH to reproduce the measured neutron and gamma ray integral and differential (spectral) data. Results of the 'benchmark' analysis are to be used in the recommendations to the North Atlantic Treaty Organization (NATO) Panel 7 Ad Hoc Group of Shielding Experts for replacing the Vehicle Code System (VCS) with MASH as the reference code of choice for armored vehicle nuclear vulnerability calculations.

  12. EPA EcoBox

    EPA Pesticide Factsheets

    This tool box of ecological risk assessment (Eco-box) includes over 400+ links to tools, models, and databases found within EPA and our Government partners designed that can aid risk assessors with performing exposure assessments.

  13. Box Plots in the Australian Curriculum

    ERIC Educational Resources Information Center

    Watson, Jane M.

    2012-01-01

    This article compares the definition of "box plot" as used in the "Australian Curriculum: Mathematics" with other definitions used in the education community; describes the difficulties students experience when dealing with box plots; and discusses the elaboration that is necessary to enable teachers to develop the knowledge…

  14. Box Plots in the Australian Curriculum

    ERIC Educational Resources Information Center

    Watson, Jane M.

    2012-01-01

    This article compares the definition of "box plot" as used in the "Australian Curriculum: Mathematics" with other definitions used in the education community; describes the difficulties students experience when dealing with box plots; and discusses the elaboration that is necessary to enable teachers to develop the knowledge…

  15. Repackaging SRS Black Box TRU Waste

    SciTech Connect

    Swale, D. J.; Stone, K.A.; Milner, T. N.

    2006-01-09

    Historically, large items of TRU Waste, which were too large to be packaged in drums for disposal have been packaged in various sizes of custom made plywood boxes at the Savannah River Site (SRS), for many years. These boxes were subsequently packaged into large steel ''Black Boxes'' for storage at SRS, pending availability of Characterization and Certification capability, to facilitate disposal of larger items of TRU Waste. There are approximately 107 Black Boxes in inventory at SRS, each measuring some 18' x 12' x 7', and weighing up to 45,000 lbs. These Black Boxes have been stored since the early 1980s. The project to repackage this waste into Standard Large Boxes (SLBs), Standard Waste Boxes (SWB) and Ten Drum Overpacks (TDOP), for subsequent characterization and WIPP disposal, commenced in FY04. To date, 10 Black Boxes have been repackaged, resulting in 40 SLB-2's, and 37 B25 overpack boxes, these B25's will be overpacked in SLB-2's prior to shipping to WIPP. This paper will describe experience to date from this project.

  16. Slip-pulse rupture behavior on a 2 meter granite fault

    USGS Publications Warehouse

    McLaskey, Gregory C.; Kilgore, Brian D.; Beeler, Nicholas M.

    2015-01-01

    We describe observations of dynamic rupture events that spontaneously arise on meter-scale laboratory earthquake experiments. While low-frequency slip of the granite sample occurs in a relatively uniform and crack-like manner, instruments capable of detecting high frequency motions show that some parts of the fault slip abruptly (velocity >100 mm∙s-1, acceleration >20 km∙s-2) while the majority of the fault slips more slowly. Abruptly slipping regions propagate along the fault at nearly the shear wave speed. We propose that the dramatic reduction in frictional strength implied by this pulse-like rupture behavior has a common mechanism to the weakening reported in high velocity friction experiments performed on rotary machines. The slip pulses can also be identified as migrating sources of high frequency seismic waves. As observations from large earthquakes show similar propagating high frequency sources, the pulses described here may have relevance to the mechanics of larger earthquakes.

  17. Mystery Boxes, X Rays, and Radiology.

    ERIC Educational Resources Information Center

    Thomson, Norman

    2000-01-01

    Indicates the difficulties of teaching concepts beyond light and color and creating memorable learning experiences. Recommends sequential activities using the mystery box approach to explain how scientists and doctors use photon applications. (YDS)

  18. Mystery Boxes, X Rays, and Radiology.

    ERIC Educational Resources Information Center

    Thomson, Norman

    2000-01-01

    Indicates the difficulties of teaching concepts beyond light and color and creating memorable learning experiences. Recommends sequential activities using the mystery box approach to explain how scientists and doctors use photon applications. (YDS)

  19. GLOVE BOX ATTACHMENT

    DOEpatents

    Butts, H.L.

    1962-02-13

    This invention comprises a housing unit to be fitted between a glove box port and a glove so that a slidable plate within the housing seals off the glove box port for evacuation of the glove box without damage to the glove. The housing and the glove may be evacuated without damage to the glove since movement of the glove is restricted during evacuation by the slidable plate. (AEC)

  20. Does the Well-Being of Individuals with Down Syndrome and Dementia Improve When Using Life Story Books and Rummage Boxes? A Randomized Single Case Series Experiment

    ERIC Educational Resources Information Center

    Crook, Nicola; Adams, Malcolm; Shorten, Nicola; Langdon, Peter E.

    2016-01-01

    Background: This study investigated whether a personalized life story book and rummage box enhanced well-being and led to changes in behaviour for people with Down syndrome (DS) who have dementia. Materials and Methods: A randomized single case series design was used with five participants who had DS and a diagnosis of dementia. Participants were…

  1. Does the Well-Being of Individuals with Down Syndrome and Dementia Improve When Using Life Story Books and Rummage Boxes? A Randomized Single Case Series Experiment

    ERIC Educational Resources Information Center

    Crook, Nicola; Adams, Malcolm; Shorten, Nicola; Langdon, Peter E.

    2016-01-01

    Background: This study investigated whether a personalized life story book and rummage box enhanced well-being and led to changes in behaviour for people with Down syndrome (DS) who have dementia. Materials and Methods: A randomized single case series design was used with five participants who had DS and a diagnosis of dementia. Participants were…

  2. Math in the Box

    ERIC Educational Resources Information Center

    DeYoung, Mary J.

    2009-01-01

    This article describes how to make an origami paper box and explores the algebra, geometry, and other mathematics that unfolds. A set of origami steps that transforms the paper into an open box can hold mathematical surprises for both students and teachers. An origami lesson can engage students in an open-ended exploration of the relationship…

  3. Math in the Box

    ERIC Educational Resources Information Center

    DeYoung, Mary J.

    2009-01-01

    This article describes how to make an origami paper box and explores the algebra, geometry, and other mathematics that unfolds. A set of origami steps that transforms the paper into an open box can hold mathematical surprises for both students and teachers. An origami lesson can engage students in an open-ended exploration of the relationship…

  4. Thinking outside the Box

    ERIC Educational Resources Information Center

    Fanshawe, Simon; Sriskandarajah, Dhananjayan

    2010-01-01

    Britain is not only more diverse than ever before, but that diversity itself is growing more diverse. Britain's simplistic "tick-box" approach to identity is in danger of inhibiting the very equality it seeks to promote. To question the tick-box is not to accuse local authorities of "political correctness gone mad". The notion…

  5. Straw in a Box

    ERIC Educational Resources Information Center

    Jerrard, Richard; Schneider, Joel; Smallberg, Ralph; Wetzel, John

    2006-01-01

    A problem on a state's high school exit exam asked for the longest straw that would fit in a box. The examiners apparently wanted the length of a diagonal of the box, but the figure accompanying the question suggested otherwise--that the radius of the straw be considered. This article explores that more general problem.

  6. Boxing with neutrino oscillations

    SciTech Connect

    Wagner, D.J. |; Weiler, T.J.

    1999-06-01

    We develop a characterization of neutrino oscillations based on the coefficients of the oscillating terms. These coefficients are individually observable; although they are quartic in the elements of the unitary mixing matrix, they are independent of the conventions chosen for the angle and phase parametrization of the mixing matrix. We call these reparametrization-invariant observables {open_quotes}boxes{close_quotes} because of their geometric relation to the mixing matrix, and because of their association with the Feynman box diagram that describes oscillations in field theory. The real parts of the boxes are the coefficients for the {ital CP}- or {ital T}-even oscillation modes, while the imaginary parts are the coefficients for the {ital CP}- or {ital T}-odd oscillation modes. Oscillation probabilities are linear in the boxes, so measurements can straightforwardly determine values for the boxes (which can then be manipulated to yield magnitudes of mixing matrix elements). We examine the effects of unitarity on the boxes and discuss the reduction of the number of boxes to a minimum basis set. For the three-generation case, we explicitly construct the basis. Using the box algebra, we show that {ital CP} violation may be inferred from measurements of neutrino flavor mixing even when the oscillatory factors have averaged. The framework presented here will facilitate general analyses of neutrino oscillations among n{ge}3 flavors. {copyright} {ital 1999} {ital The American Physical Society}

  7. Thinking outside the Box

    ERIC Educational Resources Information Center

    Fanshawe, Simon; Sriskandarajah, Dhananjayan

    2010-01-01

    Britain is not only more diverse than ever before, but that diversity itself is growing more diverse. Britain's simplistic "tick-box" approach to identity is in danger of inhibiting the very equality it seeks to promote. To question the tick-box is not to accuse local authorities of "political correctness gone mad". The notion…

  8. Thinking Inside the Box

    SciTech Connect

    Boeheim, Charles T.; /SLAC

    2007-11-16

    In early 2007, SLAC was faced with a shortage of both electrical power and cooling in the main computer building, at the same time that the BaBar collaboration needed a new cluster of 250 batch machines installed. A number of different options were explored for the expansion. Provision of additional electrical power to the building was estimated to take one to two years, and cost several million dollars; additional cooling was even worse. Space in a Silicon Valley co-location facilities was reasonable on a one-year timescale, but broke even in costs by the end of three years, and were more expensive after that. There were also unresolved questions about the affects of additional latency from an offsite compute cluster to the onsite disk servers. The option of converting existing experimental hall space into computer space was estimated at one year, with uncertain availability. An option to aggressively replace several existing clusters with more power-efficient equipment was studied closely, but was disruptive to continued operations, expensive, and didn't provide any additional headroom. Finally, the installation of a Sun Project Blackbox (PBB) unit was selected as providing the capacity on a timescale of six months for a reasonable cost with minimal disruption to service. SLAC obtained and installed a beta unit and have been running it in production since September 2007. The experiences described are with the Early Access version of the PBB. The production version of the box has engineering changes based in part on our experiences.

  9. High Altitude Flight Test of a Reefed 12.2 Meter Diameter Disk-Gap-Band Parachute with Deployment at Mach Number of 2.58

    NASA Technical Reports Server (NTRS)

    Grow, R. Bruce; Preisser, John S.

    1971-01-01

    A reefed 12.2-meter nominal-diameter (40-ft) disk-gap-band parachute was flight tested as part of the NASA Supersonic High Altitude Parachute Experiment (SHAPE) program. A three-stage rocket was used to drive the instrumented payload to an altitude of 43.6 km (143,000 ft), a Mach number of 2.58, and a dynamic pressure of 972 N/m(exp 2) (20.3 lb/ft(exp 2)) where the parachute was deployed by means of a mortar. The parachute deployed satisfactorily and reached a partially inflated condition characterized by irregular variations in parachute projected area. A full, stable reefed inflation was achieved when the system had decelerated to a Mach number of about 1.5. The steady, reefed projected area was 49 percent of the steady, unreefed area and the average drag coefficient was 0.30. Disreefing occurred at a Mach number of 0.99 and a dynamic pressure of 81 N/m(exp 2) (1.7 lb/ft(exp 2)). The parachute maintained a steady inflated shape for the remainder of the deceleration portion of the flight and throughout descent. During descent, the average effective drag coefficient was 0.57. There was little, if any, coning motion, and the amplitude of planar oscillations was generally less than 10 degrees. The film also shows a wind tunnel test of a 1.7-meter-diameter parachute inflating at Mach number 2.0.

  10. Glove box shield

    DOEpatents

    Brackenbush, Larry W.; Hoenes, Glenn R.

    1981-01-01

    According to the present invention, a shield for a glove box housing radioactive material is comprised of spaced apart clamping members which maintain three overlapping flaps in place therebetween. There is a central flap and two side flaps, the side flaps overlapping at the interior edges thereof and the central flap extending past the intersection of the side flaps in order to insure that the shield is always closed when the user withdraws his hand from the glove box. Lead loaded neoprene rubber is the preferred material for the three flaps, the extent of lead loading depending upon the radiation levels within the glove box.

  11. Glove box shield

    DOEpatents

    Brackenbush, L.W.; Hoenes, G.R.

    A shield for a glove box housing radioactive material is comprised of spaced apart clamping members which maintain three overlapping flaps in place therebetween. There is a central flap and two side flaps, the side flaps overlapping at the interior edges thereof and the central flap extending past the intersection of the side flaps in order to insure that the shield is always closed when the user wthdraws his hand from the glove box. Lead loaded neoprene rubber is the preferred material for the three flaps, the extent of lead loading depending upon the radiation levels within the glove box.

  12. Glove box shield

    SciTech Connect

    Brackenbush, L.W.; Hoenes, G.R.

    1981-02-17

    According to the present invention, a shield for a glove box housing radioactive material is comprised of spaced apart clamping members which maintain three overlapping flaps in place therebetween. There is a central flap and two side flaps, the side flaps overlapping at the interior edges thereof and the central flap extending past the intersection of the side flaps in order to insure that the shield is always closed when the user withdraws his hand from the glove box. Lead loaded neoprene rubber is the preferred material for the three flaps, the extent of lead loading depending upon the radiation levels within the glove box. 2 figs.

  13. Positive impact of the new 5-layer soil-hydrology scheme on seasonal prediction skill of 2-meter air temperatures over Europe

    NASA Astrophysics Data System (ADS)

    Bunzel, Felix; Müller, Wolfgang; Stacke, Tobias; Hagemann, Stefan; Dobrynin, Mikhail; Baehr, Johanna; Fröhlich, Kristina

    2016-04-01

    Recent studies show that the initialization of soil moisture has the potential to improve the skill of seasonal predictions with coupled climate models. Particularly, soil-moisture memory in the root zone is found to affect the predictability of surface state variables. However, in order to simulate the connection between root-zone soil-moisture and the near-surface atmospheric state realistically, the soil-hydrology scheme implemented in a coupled climate model requires a certain level of complexity. In this study, we first compare the quality of soil-moisture simulation in full-field assimilation experiments performed with the Max Planck Institute Earth System Model (MPI-ESM) in two different setups, one using the old bucket-type soil scheme and one using the new 5-layer soil-hydrology scheme. We find soil moisture to be more realistically simulated when MPI-ESM is used with the new 5-layer soil scheme. In a second step, from each of the two assimilation experiments a set of seasonal hindcast simulations is started. Each hindcast set consists of 10-member ensembles initialized on 1 May and 1 November each year within 1981-2012 with a hindcast length of 6 months each. We find the new 5-layer soil-hydrology scheme to improve the hindcast skill of both summer and winter 2-meter air temperatures over Europe compared to the old bucket-type soil scheme. In order to find possible sources for the improvement, land-atmosphere coupling is analyzed in the two hindcast sets, and a potential link to the atmospheric blocking frequency is investigated.

  14. Voice box (image)

    MedlinePlus

    The larynx, or voice box, is located in the neck and performs several important functions in the body. The larynx is involved in swallowing, breathing, and voice production. Sound is produced when the air which ...

  15. Climate in a Box

    NASA Image and Video Library

    NASA's Climate in a Box Project is exploring the utility of supercomputers in providing a complete, pre-packaged, ready-to-use toolkit of climate research products and on-demand access to a high-pe...

  16. Nonneurologic emergencies in boxing.

    PubMed

    Coletta, Domenic F

    2009-10-01

    Professional boxing has done an admirable job in promoting safety standards in its particular sport. However, injuries occur during the normal course of competition and, unfortunately, an occasional life-threatening emergency may arise. Although most common medical emergencies in boxing are injuries from closed head trauma, in this article those infrequent but potentially catastrophic nonneurologic conditions are reviewed along with some less serious emergencies that the physician must be prepared to address.

  17. Freedom to box.

    PubMed Central

    Warburton, N

    1998-01-01

    The british Medical Association wants to criminalise all boxing. This article examines the logic of the arguments it uses and finds them wanting. The move from medical evidence about the risk of brain damage to the conclusion that boxing should be banned is not warranted. The BMA's arguments are a combination of inconsistent paternalism and legal moralism. Consistent application of the principles implicit in the BMA's arguments would lead to absurd consequences and to severe limitations being put on individual freedom. PMID:9549684

  18. [Boxing: traumatology and prevention].

    PubMed

    Cabanis, Emmanuel-Alain; Iba-Zizen, Marie-Thérèse; Perez, Georges; Senegas, Xavier; Furgoni, Julien; Pineau, Jean-Claude; Louquet, Jean-Louis; Henrion, Roger

    2010-10-01

    In 1986, a surgeon who, as an amateur boxer himself was concerned with boxers' health, approached a pioneering Parisian neuroimaging unit. Thus began a study in close cooperation with the French Boxing Federation, spanning 25 years. In a first series of 52 volunteer boxers (13 amateurs and 39 professionals), during which MRI gradually replaced computed tomography, ten risk factors were identified, which notably included boxing style: only one of 40 "stylists" with a good boxing technique had cortical atrophy (4.5 %), compared to 15 % of "sloggers". Changes to the French Boxing Federation rules placed the accent on medical prevention. The second series, of 247 boxers (81 amateurs and 266 professionals), showed a clear improvement, as lesions were suspected in 14 individuals, of which only 4 (1.35 %) were probably due to boxing. The third and fourth series were part of a protocol called "Brain-Boxing-Ageing", which included 76 boxers (11 having suffered KOs) and 120 MRI scans, with reproducible CT and MRI acquisitions (9 sequences with 1.5 T then 3 T, and CT). MRI anomalies secondary to boxing were found in 11 % of amateurs and 38 % of professionals (atrophy, high vascular T2 signal areas, 2 cases of post-KO subdural bleeding). CT revealed sinus damage in 13 % of the amateurs and 19 % of the professionals. The risk of acute and chronic facial and brain damage was underline, along with detailed precautionary measures (organization of bouts, role of the referee and ringside doctor, and application of French Boxing Federation rules).

  19. Infectious disease and boxing.

    PubMed

    King, Osric S

    2009-10-01

    There are no unique boxing diseases but certain factors contributing to the spread of illnesses apply strongly to the boxer, coach, and the training facility. This article examines the nature of the sport of boxing and its surrounding environment, and the likelihood of spread of infection through airborne, contact, or blood-borne routes of transmission. Evidence from other sports such as running, wrestling, and martial arts is included to help elucidate the pathophysiologic elements that could be identified in boxers.

  20. Automatic box loader

    DOEpatents

    Eldridge, Harry H.; Jones, Robert A.; Lindner, Gordon M.; Hight, Paul H.

    1976-01-01

    This invention relates to a system for repetitively forming an assembly consisting of a single layer of tubes and a row of ferromagnetic armatures underlying the same, electromagnetically conveying the resulting assembly to a position overlying a storage box, and depositing the assembly in the box. The system includes means for simultaneously depositing a row of the armatures on the inclined surface of a tube retainer. Tubes then are rolled down the surface to form a single tube layer bridging the armatures. A magnet assembly carrying electromagnets respectively aligned with the armatures is advanced close to the tube layer, and in the course of this advance is angularly displaced to bring the pole pieces of the electromagnets into parallelism with the tube layer. The magnets then are energized to pick up the assembly. The loaded magnet assembly is retracted to a position overlying the box, and during this retraction is again displaced to bring the pole pieces of the electromagnets into a horizontal plane. Means are provided for inserting the loaded electromagnets in the box and then de-energizing the electromagnets to deposit the assembly therein. The system accomplishes the boxing of fragile tubes at relatively high rates. Because the tubes are boxed as separated uniform layers, subsequent unloading operations are facilitated.

  1. Cable Tester Box

    NASA Technical Reports Server (NTRS)

    Lee, Jason H.

    2011-01-01

    Cables are very important electrical devices that carry power and signals across multiple instruments. Any fault in a cable can easily result in a catastrophic outcome. Therefore, verifying that all cables are built to spec is a very important part of Electrical Integration Procedures. Currently, there are two methods used in lab for verifying cable connectivity. (1) Using a Break-Out Box and an ohmmeter this method is time-consuming but effective for custom cables and (2) Commercial Automated Cable Tester Boxes this method is fast, but to test custom cables often requires pre-programmed configuration files, and cables used on spacecraft are often uniquely designed for specific purposes. The idea is to develop a semi-automatic continuity tester that reduces human effort in cable testing, speeds up the electrical integration process, and ensures system safety. The JPL-Cable Tester Box is developed to check every single possible electrical connection in a cable in parallel. This system indicates connectivity through LED (light emitting diode) circuits. Users can choose to test any pin/shell (test node) with a single push of a button, and any other nodes that are shorted to the test node, even if they are in the same connector, will light up with the test node. The JPL-Cable Tester Boxes offers the following advantages: 1. Easy to use: The architecture is simple enough that it only takes 5 minutes for anyone to learn how operate the Cable Tester Box. No pre-programming and calibration are required, since this box only checks continuity. 2. Fast: The cable tester box checks all the possible electrical connections in parallel at a push of a button. If a cable normally takes half an hour to test, using the Cable Tester Box will improve the speed to as little as 60 seconds to complete. 3. Versatile: Multiple cable tester boxes can be used together. As long as all the boxes share the same electrical potential, any number of connectors can be tested together.

  2. TrMADS3, a new MADS-box gene, from a perennial species Taihangia rupestris (Rosaceae) is upregulated by cold and experiences seasonal fluctuation in expression level.

    PubMed

    Du, Xiaoqiu; Xiao, Qiying; Zhao, Ran; Wu, Feng; Xu, Qijiang; Chong, Kang; Meng, Zheng

    2008-06-01

    In many temperate perennial plants, floral transition is initiated in the first growth season but the development of flower is arrested during the winter to ensure production of mature flowers in the next spring. The molecular mechanisms of the process remain poorly understood with few well-characterized regulatory genes. Here, a MADS-box gene, named as TrMADS3, was isolated from the overwintering inflorescences of Taihangia rupestris, a temperate perennial in the rose family. Phylogenetic analysis reveals that TrMADS3 is more closely related to the homologs of the FLOWERING LOCUS C lineage than to any of the other MIKC-type MADS-box lineages known from Arabidopsis. The TrMADS3 transcripts are extensively distributed in inflorescences, roots, and leaves during the winter. In controlled conditions, the TrMADS3 expression level is upregulated by a chilling exposure for 1 to 2 weeks and remains high for a longer period of time in warm conditions after cold treatment. In situ hybridization reveals that TrMADS3 is predominantly expressed in the vegetative and reproductive meristems. Ectopic expression of TrMADS3 in Arabidopsis promotes seed germination on the media containing relatively high NaCl or mannitol concentrations. These data indicate that TrMADS3 in a perennial species might have its role in both vegetative and reproductive meristems in response to cold.

  3. High Altitude Flight Test of a 40-Foot Diameter (12.2 meter) Ringsail Parachute at Deployment Mach Number of 2.95

    NASA Technical Reports Server (NTRS)

    Eckstrom, Clinton V.

    1970-01-01

    A 40-foot-nominal-diameter (12.2-meter) modified ringsail parachute was flight tested as part of the NASA Supersonic High Altitude Parachute Experiment (SHAPE) program. The 41-pound (18.6-kg) test parachute system was deployed from a 239.5-pound (108.6-kg) instrumented payload by means of a deployment mortar when the payload was at an altitude of 171,400 feet (52.3 km), a Mach number of 2.95, and a free-stream dynamic pressure of 9.2 lb/sq ft (440 N/m(exp 2)). The parachute deployed properly, suspension line stretch occurring 0.54 second after mortar firing with a resulting snatch-force loading of 932 pounds (4146 newtons). The maximum loading due to parachute opening was 5162 pounds (22 962 newtons) at 1.29 seconds after mortar firing. The first near full inflation of the canopy at 1.25 seconds after mortar firing was followed immediately by a partial collapse and subsequent oscillations of frontal area until the system had decelerated to a Mach number of about 1.5. The parachute then attained a shape that provided full drag area. During the supersonic part of the test, the average axial-force coefficient varied from a minimum of about 0.24 at a Mach number of 2.7 to a maximum of 0.54 at a Mach number of 1.1. During descent under subsonic conditions, the average effective drag coefficient was 0.62 and parachute-payload oscillation angles averaged about &loo with excursions to +/-20 degrees. The recovered parachute was found to have slight damage in the vent area caused by the attached deployment bag and mortar lid.

  4. 77 FR 16949 - Pacific Cod by Catcher Vessels Greater Than or Equal to 50 Feet (15.2 Meters) Length Overall...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-03-23

    ... Vessels Greater Than or Equal to 50 Feet (15.2 Meters) Length Overall Using Hook-and-Line Gear in the... meters (m)) in length overall (LOA) using hook-and-line gear in the Central Regulatory Area of the...

  5. 6. VIEW OF INTERIOR GLOVE BOX DURING CONSTRUCTION. GLOVE BOXES ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    6. VIEW OF INTERIOR GLOVE BOX DURING CONSTRUCTION. GLOVE BOXES CONTAINED ALL PRODUCTION OPERATIONS AND WERE INTERCONNECTED BY CONVEYORS. (9/21/59) - Rocky Flats Plant, Plutonium Fabrication, Central section of Plant, Golden, Jefferson County, CO

  6. Looking Southwest at Reactor Box Furnaces With Reactor Boxes and ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Looking Southwest at Reactor Box Furnaces With Reactor Boxes and Repossessed Uranium in Recycle Recovery Building - Hematite Fuel Fabrication Facility, Recycle Recovery Building, 3300 State Road P, Festus, Jefferson County, MO

  7. Thinking "Inside" the Box

    ERIC Educational Resources Information Center

    Jeffries, Carolyn

    2011-01-01

    The authors conducted a test to determine whether they could incorporate a discovery box into a preschool setting was successful. It stimulated the students' natural inquiry processes while promoting understanding of healthy foods and allowing for practice of fine-motor skills. It was easily incorporated into the curriculum and classroom space.…

  8. Hydrophobic, Porous Battery Boxes

    NASA Technical Reports Server (NTRS)

    Bragg, Bobby J.; Casey, John E., Jr.

    1995-01-01

    Boxes made of porous, hydrophobic polymers developed to contain aqueous potassium hydroxide electrolyte solutions of zinc/air batteries while allowing air to diffuse in as needed for operation. Used on other types of batteries for in-cabin use in which electrolytes aqueous and from which gases generated during operation must be vented without allowing electrolytes to leak out.

  9. EPA ExpoBox

    EPA Pesticide Factsheets

    EPA ExpoBox is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases, mode

  10. Drawing inside the Box

    ERIC Educational Resources Information Center

    Franklin, Ranella

    2007-01-01

    When working with very young children and/or students with special needs, it is beneficial for teachers to think "outside the box" in order to preserve and enhance a child's natural curiosity. In an effort to teach young children to control their drawing tools, they are often presented with coloring book-type pages and instructed to "stay inside…

  11. Mystery Box Marvels

    ERIC Educational Resources Information Center

    Santos, Joel; Centurio, Tina

    2012-01-01

    What happens in the first week of school could very well set the stage for the rest of the school year. Setting high standards for science activities based in inquiry can start on the first day of science class and develop as the year unfolds. With the use of simple, readily available, inexpensive materials, an efficient mystery box lesson can be…

  12. Shoe Box Circuits

    ERIC Educational Resources Information Center

    Sandifer, Cody

    2009-01-01

    Students' eyes grow wide with wonder as they get a motor to work or make a bulb light for the first time. As these daunting feats of electrical engineering remind us, teaching electricity is invariably rewarding and worthwhile. In this inquiry-based science project, elementary students work in pairs to design and wire a shoe box "room" that meets…

  13. The Idea Box.

    ERIC Educational Resources Information Center

    National Association for the Education of Young Children, Washington, DC.

    Five pamphlets offer helpful ideas and instructions on teacher planning, learning environments, teaching with nature, a creative curriculum, and ideas for administrators in "The Idea Box," compiled by members of the Austin Association for the Education of Young Children. Each pamphlet contains useful information for working with young children.…

  14. Teaching with Box Tops.

    ERIC Educational Resources Information Center

    Raiser, Lynne; D'Zamko, Mary Elizabeth

    1984-01-01

    Using environmental materials (such as the phone book and placemats from fast food restaurants) can be a motivating way to teach learning disabled students skills and concepts, as shown in an approach to reading, math, science and nutrition, and social studies instruction using a JELL-O brand gelatin box. (CL)

  15. Thinking "Inside" the Box

    ERIC Educational Resources Information Center

    Jeffries, Carolyn

    2011-01-01

    The authors conducted a test to determine whether they could incorporate a discovery box into a preschool setting was successful. It stimulated the students' natural inquiry processes while promoting understanding of healthy foods and allowing for practice of fine-motor skills. It was easily incorporated into the curriculum and classroom space.…

  16. Teaching with Box Tops.

    ERIC Educational Resources Information Center

    Raiser, Lynne; D'Zamko, Mary Elizabeth

    1984-01-01

    Using environmental materials (such as the phone book and placemats from fast food restaurants) can be a motivating way to teach learning disabled students skills and concepts, as shown in an approach to reading, math, science and nutrition, and social studies instruction using a JELL-O brand gelatin box. (CL)

  17. Shoe Box Circuits

    ERIC Educational Resources Information Center

    Sandifer, Cody

    2009-01-01

    Students' eyes grow wide with wonder as they get a motor to work or make a bulb light for the first time. As these daunting feats of electrical engineering remind us, teaching electricity is invariably rewarding and worthwhile. In this inquiry-based science project, elementary students work in pairs to design and wire a shoe box "room" that meets…

  18. Mystery Box Marvels

    ERIC Educational Resources Information Center

    Santos, Joel; Centurio, Tina

    2012-01-01

    What happens in the first week of school could very well set the stage for the rest of the school year. Setting high standards for science activities based in inquiry can start on the first day of science class and develop as the year unfolds. With the use of simple, readily available, inexpensive materials, an efficient mystery box lesson can be…

  19. Drawing inside the Box

    ERIC Educational Resources Information Center

    Franklin, Ranella

    2007-01-01

    When working with very young children and/or students with special needs, it is beneficial for teachers to think "outside the box" in order to preserve and enhance a child's natural curiosity. In an effort to teach young children to control their drawing tools, they are often presented with coloring book-type pages and instructed to "stay inside…

  20. Cereal Box Totems.

    ERIC Educational Resources Information Center

    Jones, AnnMarie

    2002-01-01

    Presents a multicultural project used with fourth-grade students in which they created a three-dimensional totem pole using leftover cereal boxes. Discusses in detail how to create the totem pole. Explains that students learned about Northwest American Indians in class. (CMK)

  1. "Can" the Black Box

    ERIC Educational Resources Information Center

    Lestingi, Francis S.

    1975-01-01

    Describes the use of the "Arcane (mysterious) Can" which is a "tin" can which is permanently sealed, both air- and water-tight, by means of a home canning device. The canning procedure permits the use of a large variety of materials which can not be utilized in the ordinary mystery box. This Can activity is valuable for…

  2. Ocular complications of boxing.

    PubMed

    Bianco, M; Vaiano, A S; Colella, F; Coccimiglio, F; Moscetti, M; Palmieri, V; Focosi, F; Zeppilli, P; Vinger, P F

    2005-02-01

    To investigate the prevalence of ocular injuries in a large population of boxers over a period of 16 years, in particular, the most severe lesions that may be vision threatening. Clinical records of the medical archive of the Italian Boxing Federation were analysed. A total of 1032 boxers were examined from February 1982 to October 1998. A complete ophthalmological history was available for 956, who formed the study population (a total of 10 697 examinations). The following data were collected: age when started boxing; duration of competitive boxing career (from the date of the first bout); weight category; a thorough ocular history. The following investigations were carried out: measurement of visual acuity and visual fields, anterior segment inspection, applanation tonometry, gonioscopy, and examination of ocular fundus. Eighty age matched healthy subjects, who had never boxed, formed the control group. Of the 956 boxers examined, 428 were amateur (44.8%) and 528 professional (55.2%). The median age at first examination was 23.1 (4.3) years (range 15-36). The prevalence of conjunctival, corneal, lenticular, vitreal, ocular papilla, and retinal alterations in the study population was 40.9% compared with 3.1% in the control group (p< or =0.0001). The prevalence of serious ocular findings (angle, lens, macula, and peripheral retina alterations) was 5.6% in boxers and 3.1% in controls (NS). Boxing does not result in a higher prevalence of severe ocular lesions than in the general population. However, the prevalence of milder lesions (in particular with regard to the conjunctiva and cornea) is noteworthy, justifying the need for adequate ophthalmological surveillance.

  3. Ocular complications of boxing

    PubMed Central

    Bianco, M; Vaiano, A; Colella, F; Coccimiglio, F; Moscetti, M; Palmieri, V; Focosi, F; Zeppilli, P; Vinger, P

    2005-01-01

    Objectives: To investigate the prevalence of ocular injuries in a large population of boxers over a period of 16 years, in particular, the most severe lesions that may be vision threatening. Methods: Clinical records of the medical archive of the Italian Boxing Federation were analysed. A total of 1032 boxers were examined from February 1982 to October 1998. A complete ophthalmological history was available for 956, who formed the study population (a total of 10 697 examinations). The following data were collected: age when started boxing; duration of competitive boxing career (from the date of the first bout); weight category; a thorough ocular history. The following investigations were carried out: measurement of visual acuity and visual fields, anterior segment inspection, applanation tonometry, gonioscopy, and examination of ocular fundus. Eighty age matched healthy subjects, who had never boxed, formed the control group. Results: Of the 956 boxers examined, 428 were amateur (44.8%) and 528 professional (55.2%). The median age at first examination was 23.1 (4.3) years (range 15–36). The prevalence of conjunctival, corneal, lenticular, vitreal, ocular papilla, and retinal alterations in the study population was 40.9% compared with 3.1% in the control group (p⩽0.0001). The prevalence of serious ocular findings (angle, lens, macula, and peripheral retina alterations) was 5.6% in boxers and 3.1% in controls (NS). Conclusions: Boxing does not result in a higher prevalence of severe ocular lesions than in the general population. However, the prevalence of milder lesions (in particular with regard to the conjunctiva and cornea) is noteworthy, justifying the need for adequate ophthalmological surveillance. PMID:15665199

  4. INTERACTION OF LASER RADIATION WITH MATTER. LASER PLASMA: Numerical simulation of three-dimensional X-ray and laser field inhomogeneities in experiments with spherical box converters on the Iskra-5 facility

    NASA Astrophysics Data System (ADS)

    Bondarenko, S. V.; Dolgoleva, G. V.; Novikova, E. A.

    2007-04-01

    The results of spectral calculations of the dynamics of laser radiation absorption and X-ray generation in a spherical box converter are presented for experiments on inertial fusion performed in the 1990s on the Iskra-5 facility. Numerical simulations were carried out taking into account the actual configuration of 12 laser beams and six apertures for introducing laser radiation. Calculations were performed in the sector approximation in which the inner surface of the box is divided into a certain number of regions or sectors. The movement of matter and radiation transport in each sector were calculated by using the one-dimensional spectral nonequilibrium dynamics program. Spectral calculations showed a strong inhomogeneity of irradiation of a capsule in the M-band region (2.7-2.9 keV). It is shown that the spectrum-averaged root-mean-square inhomogeneity of the X-ray energy flux on the capsule (during the time of its compression) is about 2.5% for laser beams of the same energy and is about 3% if the characteristic energy misbalance between the beams is taken into account.

  5. Assessment of non-marital sexual behaviours of men in Bangladesh: a methodological experiment using a modified confidential ballot-box method.

    PubMed

    Chowdhury, M E; Alam, N; Anwar, I; Ahmed, A; Saidel, T; Mallick, P S; Kelly, R; Streatfield, P K

    2012-03-01

    This study assessed the effectiveness of a modified ballot-box method (MBBM) in eliciting non-marital sexual behaviours compared with face-to-face interview (FTFI). A cross-sectional survey collected data from men aged 18-49 years in Bangladesh using a multistage cluster sampling method. In total, 3499 and 3623 respondents were interviewed by MBBM and FTFI, respectively. In the MBBM, pre-recorded questions were administered using a portable audio-cassette player with two pairs of headphones used concurrently by the respondent and the interviewer. Overall, 18% of the respondents had non-marital sexual exposure in the past year. The MBBM elicited higher responses of non-marital sex (adjusted odds ratio (aOR) 1.3, 95% confidence interval [CI]: 1.1, 1.5) compared with FTFI. The interview methods did not, however, revealed significant differences in response to condom-use rates and the number of non-marital sexual partners. The MBBM is more effective than the FTFI method in eliciting higher responses rates of non-marital sexual contacts and may be recommended for reliable estimates of sexual behaviours.

  6. Draw-a-Scientist/Mystery Box Redux

    ERIC Educational Resources Information Center

    Cavallo, Ann

    2007-01-01

    It is important that students have the opportunity to experience the nature and processes of science for themselves. The sequence of activities presented in this paper--Draw-a-Scientist and the Mystery Box Redux--were designed to help students better understand the nature of science (NOS) and engage them in the process of scientific inquiry. These…

  7. Learning Geography with a "Geography Box"

    ERIC Educational Resources Information Center

    Lambrinos, Nikos; Bibou, Ioanna

    2006-01-01

    It seems that geography teaching faces almost the same problems around the world. Geography teachers try to find new methods to teach geography based mainly on pupils' experiences. This paper describes a teaching approach that focuses on what pupils think about geography. The children are asked to prepare and present a box filled with objects that…

  8. Draw-a-Scientist/Mystery Box Redux

    ERIC Educational Resources Information Center

    Cavallo, Ann

    2007-01-01

    It is important that students have the opportunity to experience the nature and processes of science for themselves. The sequence of activities presented in this paper--Draw-a-Scientist and the Mystery Box Redux--were designed to help students better understand the nature of science (NOS) and engage them in the process of scientific inquiry. These…

  9. Treasure Boxes. Teacher's Guide. LHS GEMS.

    ERIC Educational Resources Information Center

    Kopp, Jaine; Hosoume, Kimi

    Collections of small objects have often been used in mathematics programs to develop classification and patterning skills. This book synthesizes that body of experience to create a new and original sequence of activities that build upon each other in order to draw out the greatest possible educational richness from the treasures. Treasure Boxes is…

  10. Hermit Points on a Box

    ERIC Educational Resources Information Center

    Hess, Richard; Grinstead, Charles; Grindstead, Marshall; Bergstrand, Deborah

    2008-01-01

    Suppose that we are given a rectangular box in 3-space. Given any two points on the surface of this box, we can define the surface distance between them to be the length of the shortest path between them on the surface of the box. This paper determines the pairs of points of maximum surface distance for all boxes. It is often the case that these…

  11. Hermit Points on a Box

    ERIC Educational Resources Information Center

    Hess, Richard; Grinstead, Charles; Grindstead, Marshall; Bergstrand, Deborah

    2008-01-01

    Suppose that we are given a rectangular box in 3-space. Given any two points on the surface of this box, we can define the surface distance between them to be the length of the shortest path between them on the surface of the box. This paper determines the pairs of points of maximum surface distance for all boxes. It is often the case that these…

  12. Making Connections with Memory Boxes.

    ERIC Educational Resources Information Center

    Whatley, April

    2000-01-01

    Addresses the use of children's literature within the social studies classroom on the topic of memory boxes. Includes discussions of four books: (1) "The Littlest Angel" (Charles Tazewell); (2) "The Hundred Penny Box" (Sharon Bell Mathis); (3) "Wilfrid Gordon McDonald Partridge" (Mem Fox); and (4) "The Memory Box" (Mary Bahr). (CMK)

  13. Making Connections with Memory Boxes.

    ERIC Educational Resources Information Center

    Whatley, April

    2000-01-01

    Addresses the use of children's literature within the social studies classroom on the topic of memory boxes. Includes discussions of four books: (1) "The Littlest Angel" (Charles Tazewell); (2) "The Hundred Penny Box" (Sharon Bell Mathis); (3) "Wilfrid Gordon McDonald Partridge" (Mem Fox); and (4) "The Memory Box" (Mary Bahr). (CMK)

  14. Multicultural and Nonsexist Prop Boxes.

    ERIC Educational Resources Information Center

    Boutte, Gloria S.; And Others

    1996-01-01

    Discusses how prop boxes enhance learning and are resources in multicultural and nonsexist primary education, focusing on play, experimentation, and cooperation. Examines integration of prop boxes into the curricula and activities, and presents examples of generic and specific multicultural prop boxes that incorporate art, music, foods,…

  15. The Electronic Battle Box

    NASA Astrophysics Data System (ADS)

    Gouin, Denis; Turcotte, Guy; Lebel, Eric; Gilbert, Annie

    2000-08-01

    The Electronic Battle Box is an integrated suite of planning and decision-aid tools specially designed to facilitate Canadian Armed Force Officers during their training and during their tasks of preparing and conducting military operations. It is the result of a collaborative effort between the Defence Research Establishment Valcartier, the Directorate of Army Doctrine (DAD), the Directorate of Land Requirements (DLR), the G4 staff of 1Cdn Div HQ and CGI Information and Management Consultants Inc. Distributed on CD-ROM, the Electronic Battle Box contains efficient and user-friendly tools that significantly reduce the planning time for military operations and ensure staff officers a better focus on significant tasks. Among the tools are an OrBat Browser and an Equipment Browser allowing to view and edit military organizations, a Task Browser providing facilities to prepare plans using Gantt charts, a Logistic Planner allowing to estimate supply requirements applying complex calculations, and Road, Air and Rail Movement Planners. EBB also provides staff officers with a large set of doctrinal documents in an electronic format. This paper provides an overview of the various tools of the Electronic Battle Box.

  16. Learning with Box Kernels.

    PubMed

    Melacci, Stefano; Gori, Marco

    2013-04-12

    Supervised examples and prior knowledge on regions of the input space have been profitably integrated in kernel machines to improve the performance of classifiers in different real-world contexts. The proposed solutions, which rely on the unified supervision of points and sets, have been mostly based on specific optimization schemes in which, as usual, the kernel function operates on points only. In this paper, arguments from variational calculus are used to support the choice of a special class of kernels, referred to as box kernels, which emerges directly from the choice of the kernel function associated with a regularization operator. It is proven that there is no need to search for kernels to incorporate the structure deriving from the supervision of regions of the input space, since the optimal kernel arises as a consequence of the chosen regularization operator. Although most of the given results hold for sets, we focus attention on boxes, whose labeling is associated with their propositional description. Based on different assumptions, some representer theorems are given which dictate the structure of the solution in terms of box kernel expansion. Successful results are given for problems of medical diagnosis, image, and text categorization.

  17. Learning with box kernels.

    PubMed

    Melacci, Stefano; Gori, Marco

    2013-11-01

    Supervised examples and prior knowledge on regions of the input space have been profitably integrated in kernel machines to improve the performance of classifiers in different real-world contexts. The proposed solutions, which rely on the unified supervision of points and sets, have been mostly based on specific optimization schemes in which, as usual, the kernel function operates on points only. In this paper, arguments from variational calculus are used to support the choice of a special class of kernels, referred to as box kernels, which emerges directly from the choice of the kernel function associated with a regularization operator. It is proven that there is no need to search for kernels to incorporate the structure deriving from the supervision of regions of the input space, because the optimal kernel arises as a consequence of the chosen regularization operator. Although most of the given results hold for sets, we focus attention on boxes, whose labeling is associated with their propositional description. Based on different assumptions, some representer theorems are given that dictate the structure of the solution in terms of box kernel expansion. Successful results are given for problems of medical diagnosis, image, and text categorization.

  18. Upstream box/TATA box order is the major determinant of the direction of transcription.

    PubMed Central

    Xu, L C; Thali, M; Schaffner, W

    1991-01-01

    Mammalian gene promoters for transcription by RNA polymerase II are typically organized in the following order: upstream sequence motif(s)/TATA box/initiation site. Here we report studies in which the order, orientation and DNA sequences of these three elements are varied to determine how these affect polarity of transcription. We have constructed promoters with an 'octamer' upstream sequence ATTTGCAT (or its complement ATGCAAAT) in combination with several different TATA boxes and initiation (cap) sites, and tested these promoters in transfection experiments with cultured cells. TATA boxes derived from the adenovirus major late promoter (TATAAAA), immunoglobulin kappa light chain (TTATATA) and heavy chain (TAAATATA) promoter functioned equally well or even better when inverted. Only the beta-globin TATA box (CATAAAA) was poorly active when inverted. In addition, a symmetrical TATA box (TATATATA) derived from a casein gene was very active. Our results suggest that the asymmetry of most TATA boxes (consensus TATAAAA) is not a primary determinant of the polarity of transcription. We also found that the initiation (cap) site, which usually consists of an adenine embedded in a pyrimidine-rich region (PyPyCAPyPyPyPyPy), was permissive towards sequence alterations; even a randomly composed sequence worked well. However, an inverted, hence purine-rich, cap site reduced transcript levels to 1/7th, as did an oligo G sequence. Irrespective of the presence of a cap site, the configuration: 'TATA box/octamer' yielded a strong leftward, rather than rightward transcription. From this, we conclude that the polarity of transcription is primarily determined by the linear order of an upstream sequence relative to a TATA box, rather than by the individual orientations of either of these two elements. Images PMID:1762900

  19. Constraining a hybrid volatility basis-set model for aging of wood-burning emissions using smog chamber experiments: a box-model study based on the VBS scheme of the CAMx model (v5.40)

    NASA Astrophysics Data System (ADS)

    Ciarelli, Giancarlo; El Haddad, Imad; Bruns, Emily; Aksoyoglu, Sebnem; Möhler, Ottmar; Baltensperger, Urs; Prévôt, André S. H.

    2017-06-01

    In this study, novel wood combustion aging experiments performed at different temperatures (263 and 288 K) in a ˜ 7 m3 smog chamber were modelled using a hybrid volatility basis set (VBS) box model, representing the emission partitioning and their oxidation against OH. We combine aerosol-chemistry box-model simulations with unprecedented measurements of non-traditional volatile organic compounds (NTVOCs) from a high-resolution proton transfer reaction mass spectrometer (PTR-MS) and with organic aerosol measurements from an aerosol mass spectrometer (AMS). Due to this, we are able to observationally constrain the amounts of different NTVOC aerosol precursors (in the model) relative to low volatility and semi-volatile primary organic material (OMsv), which is partitioned based on current published volatility distribution data. By comparing the NTVOC / OMsv ratios at different temperatures, we determine the enthalpies of vaporization of primary biomass-burning organic aerosols. Further, the developed model allows for evaluating the evolution of oxidation products of the semi-volatile and volatile precursors with aging. More than 30 000 box-model simulations were performed to retrieve the combination of parameters that best fit the observed organic aerosol mass and O : C ratios. The parameters investigated include the NTVOC reaction rates and yields as well as enthalpies of vaporization and the O : C of secondary organic aerosol surrogates. Our results suggest an average ratio of NTVOCs to the sum of non-volatile and semi-volatile organic compounds of ˜ 4.75. The mass yields of these compounds determined for a wide range of atmospherically relevant temperatures and organic aerosol (OA) concentrations were predicted to vary between 8 and 30 % after 5 h of continuous aging. Based on the reaction scheme used, reaction rates of the NTVOC mixture range from 3.0 × 10-11 to 4. 0 × 10-11 cm3 molec-1 s-1. The average enthalpy of vaporization of secondary organic aerosol

  20. A Golden Oldie--A Black Box Circuit.

    ERIC Educational Resources Information Center

    Keller, Clifton; Wang, Yimin

    1994-01-01

    Provides a schematic to build a black box experiment that uses light bulbs of various intensities. The students are to determine the complex circuit by unscrewing the bulbs and noting what happens. (MVL)

  1. Projection optics box

    DOEpatents

    Hale, Layton C.; Malsbury, Terry; Hudyma, Russell M.; Parker, John M.

    2000-01-01

    A projection optics box or assembly for use in an optical assembly, such as in an extreme ultraviolet lithography (EUVL) system using 10-14 nm soft x-ray photons. The projection optics box utilizes a plurality of highly reflective optics or mirrors, each mounted on a precision actuator, and which reflects an optical image, such as from a mask, in the EUVL system onto a point of use, such as a target or silicon wafer, the mask, for example, receiving an optical signal from a source assembly, such as a developed from laser system, via a series of highly reflective mirrors of the EUVL system. The plurality of highly reflective optics or mirrors are mounted in a housing assembly comprised of a series of bulkheads having wall members secured together to form a unit construction of maximum rigidity. Due to the precision actuators, the mirrors must be positioned precisely and remotely in tip, tilt, and piston (three degrees of freedom), while also providing exact constraint.

  2. The Classroom Animal: Box Turtles.

    ERIC Educational Resources Information Center

    Kramer, David C.

    1986-01-01

    Provides basic information on the anatomy, physiology, behaviors, and distribution patterns of the box turtle. Offers suggestions for the turtle's care and maintenance in a classroom environment. (ML)

  3. The Classroom Animal: Box Turtles.

    ERIC Educational Resources Information Center

    Kramer, David C.

    1986-01-01

    Provides basic information on the anatomy, physiology, behaviors, and distribution patterns of the box turtle. Offers suggestions for the turtle's care and maintenance in a classroom environment. (ML)

  4. 2. UPPER NOTTINGHAM MINE, WOODEN BOXES. BOXES ARE LOCATED APPROXIMATELY ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    2. UPPER NOTTINGHAM MINE, WOODEN BOXES. BOXES ARE LOCATED APPROXIMATELY 10 YARDS TO THE RIGHT AND DOWNSLOPE OF THE ADIT IN ID-31-F-1. CAMERA IS POINTED EAST-SOUTHEAST. - Florida Mountain Mining Sites, Upper Nottingham Mine, West face of Florida Mountain, head of Jacobs Gulch, Silver City, Owyhee County, ID

  5. More box codes

    NASA Technical Reports Server (NTRS)

    Solomon, G.

    1992-01-01

    A new investigation shows that, starting from the BCH (21,15;3) code represented as a 7 x 3 matrix and adding a row and column to add even parity, one obtains an 8 x 4 matrix (32,15;8) code. An additional dimension is obtained by specifying odd parity on the rows and even parity on the columns, i.e., adjoining to the 8 x 4 matrix, the matrix, which is zero except for the fourth column (of all ones). Furthermore, any seven rows and three columns will form the BCH (21,15;3) code. This box code has the same weight structure as the quadratic residue and BCH codes of the same dimensions. Whether there exists an algebraic isomorphism to either code is as yet unknown.

  6. ACYSYS in a box

    SciTech Connect

    Briegel, C.; Finstrom, D.; Hendricks, B.; King, C.; Lackey, S.; Neswold, R.; Nicklaus, D.; Patrick, J.; Petrov, A.; Rechenmacher, R.; Schumann, C.; /Fermilab

    2011-11-01

    The Accelerator Control System at Fermilab has evolved to enable this relatively large control system to be encapsulated into a 'box' such as a laptop. The goal was to provide a platform isolated from the 'online' control system. This platform can be used internally for making major upgrades and modifications without impacting operations. It also provides a standalone environment for research and development including a turnkey control system for collaborators. Over time, the code base running on Scientific Linux has enabled all the salient features of the Fermilab's control system to be captured in an off-the-shelf laptop. The anticipated additional benefits of packaging the system include improved maintenance, reliability, documentation, and future enhancements.

  7. Impedance Measurement Box

    ScienceCinema

    Christophersen, Jon

    2016-07-12

    Energy storage devices, primarily batteries, are now more important to consumers, industries and the military. With increasing technical complexity and higher user expectations, there is also a demand for highly accurate state-of-health battery assessment techniques. IMB incorporates patented, proprietary, and tested capabilities using control software and hardware that can be part of an embedded monitoring system. IMB directly measures the wideband impedance spectrum in seconds during battery operation with no significant impact on service life. It also can be applied to batteries prior to installation, confirming health before entering active service, as well as during regular maintenance. For more information about this project, visit http://www.inl.gov/rd100/2011/impedance-measurement-box/

  8. Impedance Measurement Box

    SciTech Connect

    Christophersen, Jon

    2011-01-01

    Energy storage devices, primarily batteries, are now more important to consumers, industries and the military. With increasing technical complexity and higher user expectations, there is also a demand for highly accurate state-of-health battery assessment techniques. IMB incorporates patented, proprietary, and tested capabilities using control software and hardware that can be part of an embedded monitoring system. IMB directly measures the wideband impedance spectrum in seconds during battery operation with no significant impact on service life. It also can be applied to batteries prior to installation, confirming health before entering active service, as well as during regular maintenance. For more information about this project, visit http://www.inl.gov/rd100/2011/impedance-measurement-box/

  9. Being Creative "Inside the Box"

    ERIC Educational Resources Information Center

    Tomascoff, Rocky

    2011-01-01

    Artist Joseph Cornell (1903-1972) created wonderful environments inside boxes using mostly found objects. They were often Surrealistic in nature. Some boxes were designed with glass fronts, and others were meant to be interactive with the viewer, wherein the objects could be handled. With Joseph Cornell in mind, the author introduces an art…

  10. Cardboard Boxes: Learning Concepts Galore!

    ERIC Educational Resources Information Center

    Warner, Laverne; Wilmoth, Linda

    2007-01-01

    Mrs. Keenan, a preschool teacher, observed her 3-year-old granddaughter Riley pull, tug, and stack piles of holiday boxes on the floor. She remembered that her child care director had suggested using boxes as a curriculum theme, but she hadn't given much thought about the idea until now. She said to herself, "I wonder if my children would be as…

  11. What Makes a Better Box?

    ERIC Educational Resources Information Center

    Moyer, Richard; Everett, Susan

    2010-01-01

    Every morning, many Americans start their day with a bowl of cereal. Some spend time while they eat breakfast reading the back of the cereal box, but few consider its size, shape, and construction, or realize that it was designed by an engineer. This article describes a lesson in which students design, build, and critique cereal boxes. The lesson…

  12. Spirit Boxes: Expressions of Culture.

    ERIC Educational Resources Information Center

    DeMuro, Ted

    1984-01-01

    After studying the culture and art of the ancient civilizations of South America, Mesopotamia, Greece, and Egypt, secondary level art students made spirit boxes as expressions of the various cultures. How to make the boxes and how to prepare the face molds are described. (RM)

  13. Being Creative "Inside the Box"

    ERIC Educational Resources Information Center

    Tomascoff, Rocky

    2011-01-01

    Artist Joseph Cornell (1903-1972) created wonderful environments inside boxes using mostly found objects. They were often Surrealistic in nature. Some boxes were designed with glass fronts, and others were meant to be interactive with the viewer, wherein the objects could be handled. With Joseph Cornell in mind, the author introduces an art…

  14. Spirit Boxes: Expressions of Culture.

    ERIC Educational Resources Information Center

    DeMuro, Ted

    1984-01-01

    After studying the culture and art of the ancient civilizations of South America, Mesopotamia, Greece, and Egypt, secondary level art students made spirit boxes as expressions of the various cultures. How to make the boxes and how to prepare the face molds are described. (RM)

  15. What Makes a Better Box?

    ERIC Educational Resources Information Center

    Moyer, Richard; Everett, Susan

    2010-01-01

    Every morning, many Americans start their day with a bowl of cereal. Some spend time while they eat breakfast reading the back of the cereal box, but few consider its size, shape, and construction, or realize that it was designed by an engineer. This article describes a lesson in which students design, build, and critique cereal boxes. The lesson…

  16. Cardboard Boxes: Learning Concepts Galore!

    ERIC Educational Resources Information Center

    Warner, Laverne; Wilmoth, Linda

    2007-01-01

    Mrs. Keenan, a preschool teacher, observed her 3-year-old granddaughter Riley pull, tug, and stack piles of holiday boxes on the floor. She remembered that her child care director had suggested using boxes as a curriculum theme, but she hadn't given much thought about the idea until now. She said to herself, "I wonder if my children would be as…

  17. KENNEDY SPACE CENTER, FLA. - The apparatus shown was designed to hold microcapsules for research on mission STS-107. It is one over several included in the Commercial ITA Biomedical Experiments payload. The box was recently recovered during the search for Columbia debris. The drug delivery system and spaceflight hardware was developed jointly by JSC, the Institute for Research Inc. and Instrumentation Technology Associates Inc. to conduct microencapsulation experiments under microgravity conditions.

    NASA Image and Video Library

    2003-05-06

    KENNEDY SPACE CENTER, FLA. - The apparatus shown was designed to hold microcapsules for research on mission STS-107. It is one over several included in the Commercial ITA Biomedical Experiments payload. The box was recently recovered during the search for Columbia debris. The drug delivery system and spaceflight hardware was developed jointly by JSC, the Institute for Research Inc. and Instrumentation Technology Associates Inc. to conduct microencapsulation experiments under microgravity conditions.

  18. Magnons in a box: Condensation and Application

    NASA Astrophysics Data System (ADS)

    Fang, Fang; Olf, Ryan; Wu, Shun; Kadau, Holger; Marti, G. Edward; Stamper-Kurn, Dan

    2016-05-01

    Ultracold gases offer us a remarkable window into the quantum world, allowing direct access to a wide range of manybody and condensed matter phenomena at convenient macroscopic length and time scales. However, producing ultracold gases at ever lower entropy, and measuring statistical properties such as temperature in these low entropy regimes, is a persistent challenge. Magnons, gapless spin excitations of spinor Bose Einstein Condensate (BEC), are expected to behave like free particles. We show that magnons can be used to cool BEC in a deep trap and serve as a thermometer to measure temperatures at extremely low entropy-per-particle. Unlike atoms trapped in a harmonic trap, trapped magnons experience a box potential due to near exact cancellation of the trapping potential by the mean-field interaction within the condensate. We observe the quasi-condensation of magnon excitations within this nature-made box.

  19. Homology model building of the HMG-1 box structural domain.

    PubMed Central

    Baxevanis, A D; Bryant, S H; Landsman, D

    1995-01-01

    Nucleoproteins belonging to the HMG-1/2 family possess homologous domains approximately 75 amino acids in length. These domains, termed HMG-1 boxes, are highly structured, compact, and mediate the interaction between HMG-1 box-containing proteins and DNA in a variety of biological contexts. Homology model building experiments on HMG-1 box sequences 'threaded' through the 1H-NMR structure of an HMG-1 box from rat indicate that the domain does not have rigid sequence requirements for its formation. Energy calculations indicate that the structure of all HMG-1 box domains is stabilized primarily through hydrophobic interactions. We have found structural relationships in the absence of statistically significant sequence similarity, identifying several candidate proteins which could possibly assume the same three-dimensional conformation as the rat HMG-1 box motif. The threading technique provides a method by which significant structural similarities in a diverse protein family can be efficiently detected, and the 'structural alignment' derived by this method provides a rational basis through which phylogenetic relationships and the precise sites of interaction between HMG-1 box proteins and DNA can be deduced. Images PMID:7731789

  20. Composite box beam analysis - Theory and experiments

    NASA Technical Reports Server (NTRS)

    Bauchau, O. A.; Coffenberry, B. S.; Rehfield, L. W.

    1987-01-01

    Beam theory is widely used as a first approximation in numerous structural applications. When applied to composite beams, the accuracy of beam theory becomes questionable because (1) the shearing and warping deformations become significant, as the shearing stiffness of composite laminates is often very low, and (2) several elastic couplings can occur that strongly influence the behavior of composite beams. The torsional behavior of thin-walled composite beams has important implications for aeronautical structures and is deeply modified by the above nonclassical effects. This paper presents two comprehensive analysis methodologies for composite beams and describes experimental results obtained from a thin-walled, rectangular cross-sectional beam. The theoretical predictions are found in good agreement with the observed twist and strain distributions. Out-of-plane torsional warping of the cross-section is found to be the key factor for an accurate modeling of the torsional behavior of such structures.

  1. Antioxidant therapeutics: Pandora's box.

    PubMed

    Day, Brian J

    2014-01-01

    Evolution has favored the utilization of dioxygen (O2) in the development of complex multicellular organisms. O2 is actually a toxic mutagenic gas that is highly oxidizing and combustible. It is thought that plants are largely to blame for polluting the earth's atmosphere with O2 owing to the development of photosynthesis by blue-green algae over 2 billion years ago. The rise of the plants and atmospheric O2 levels placed evolutionary stress on organisms to adapt or become extinct. This implies that all the surviving creatures on our planet are mutants that have adapted to the "abnormal biology" of O2. Much of the adaptation to the presence of O2 in biological systems comes from well-coordinated antioxidant and repair systems that focus on converting O2 to its most reduced form, water (H2O), and the repair and replacement of damaged cellular macromolecules. Biological systems have also harnessed O2's reactive properties for energy production, xenobiotic metabolism, and host defense and as a signaling messenger and redox modulator of a number of cell signaling pathways. Many of these systems involve electron transport systems and offer many different mechanisms by which antioxidant therapeutics can alternatively produce an antioxidant effect without directly scavenging oxygen-derived reactive species. It is likely that each agent will have a different set of mechanisms that may change depending on the model of oxidative stress, organ system, or disease state. An important point is that all biological processes of aerobes have coevolved with O2 and this creates a Pandora's box for trying to understand the mechanism(s) of action of antioxidants being developed as therapeutic agents. Copyright © 2013 Elsevier Inc. All rights reserved.

  2. Breaking out of Our Boxes.

    ERIC Educational Resources Information Center

    Patterson, William

    2003-01-01

    Argues that educators must "think outside the box" to improve school performance. Suggests several areas for expanded thought, including school size, curriculum coverage, grading practices, use of time, organization of students, time management, and belief statement. (PKP)

  3. Breaking out of Our Boxes.

    ERIC Educational Resources Information Center

    Patterson, William

    2003-01-01

    Argues that educators must "think outside the box" to improve school performance. Suggests several areas for expanded thought, including school size, curriculum coverage, grading practices, use of time, organization of students, time management, and belief statement. (PKP)

  4. Center Spot: Shoe Box Science

    ERIC Educational Resources Information Center

    Hoffman, Jan

    1976-01-01

    This is the second "Center Spot" devoted to Jan Hoffman's "Shoe Box Science," a program that organizes manipulative materials so that children can identify, describe, order, construct, name and distinguish on their own.

  5. The lithium vapor box divertor

    NASA Astrophysics Data System (ADS)

    Goldston, R. J.; Myers, R.; Schwartz, J.

    2016-02-01

    It has long been recognized that volumetric dissipation of the plasma heat flux from a fusion power system is preferable to its localized impingement on a material surface. Volumetric dissipation mitigates both the anticipated very high heat flux and intense particle-induced damage due to sputtering. Recent projections to a tokamak demonstration power plant suggest an immense upstream parallel heat flux, of order 20 GW m-2, implying that fully detached operation may be a requirement for the success of fusion power. Building on pioneering work on the use of lithium by Nagayama et al and by Ono et al as well as earlier work on the gas box divertor by Watkins and Rebut, we present here a concept for a lithium vapor box divertor, in which lithium vapor extracts momentum and energy from a fusion-power-plant divertor plasma, using fully volumetric processes. At the high powers and pressures that are projected this requires a high density of lithium vapor, which must be isolated from the main plasma in order to avoid lithium build-up on the chamber walls or in the plasma. Isolation is achieved through a powerful multi-box differential pumping scheme available only for condensable vapors. The preliminary box-wise calculations are encouraging, but much more work is required to demonstrate the practical viability of this scheme, taking into account at least 2D plasma and vapor flows within and between the vapor boxes and out of the vapor boxes to the main plasma.

  6. Principal investigator in a box: Version 1.2 documentation

    NASA Technical Reports Server (NTRS)

    Adolph, Jurine; Bhatnagar, Rajiv; Colombano, Silvano P.; Compton, Michael; Frainer, Richard; Groleau, Nicolas; Holden, Kritina; Lai, Sen-Hao; Lam, Chih-Chao; Manahan, Meera

    1990-01-01

    Principal Investigator (PI) in a box is a computer system designed to help optimize the scientific results of experiments that are performed in space. The system will assist the astronaut experimenters in the collection and analysis of experimental data, recognition and pursuit of 'interesting' results, optimal use of the time allocated to the experiment, and troubleshooting of the experiment apparatus. This document discusses the problems that motivate development of 'PI-in-a-box', and presents a high- level system overview and a detailed description of each of the modules that comprise the current version of the system.

  7. The Black Box Principle

    ERIC Educational Resources Information Center

    Wray, E. M.

    1974-01-01

    Discusses three experiments, respectively, relating to electricity, optics, and electronics, which provide both the experienced and weaker students with a high interest in determining unknowns from a limited amount of information. (CC)

  8. 30 CFR 57.12006 - Distribution boxes.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Distribution boxes. 57.12006 Section 57.12006... and Underground § 57.12006 Distribution boxes. Distribution boxes shall be provided with a... deenergized, and the distribution box shall be labeled to show which circuit each device controls....

  9. Plate forming and break down pizza box

    DOEpatents

    Pantisano, Frank; Devine, Scott M.

    1992-01-01

    A standard corrugated paper pizza box is provided with slit cuts cut through the top panel of the pizza box in a shape to form four circular serving plates with a beveled raised edge and cross slit cuts through the bottom panel of the pizza box separating the box into four essentially equal portions for easy disposal.

  10. ArduiPod Box: a low-cost and open-source Skinner box using an iPod Touch and an Arduino microcontroller.

    PubMed

    Pineño, Oskar

    2014-03-01

    This article introduces the ArduiPod Box, an open-source device built using two main components (i.e., an iPod Touch and an Arduino microcontroller), developed as a low-cost alternative to the standard operant conditioning chamber, or "Skinner box." Because of its affordability, the ArduiPod Box provides an opportunity for educational institutions with small budgets seeking to set up animal laboratories for research and instructional purposes. A pilot experiment is also presented, which shows that the ArduiPod Box, in spite of its extraordinary simplicity, can be effectively used to study animal learning and behavior.

  11. Environmental Sense Box: A Strategy for Helping Elementary School Students Understand Abstract Environments through Concrete Learning Activities.

    ERIC Educational Resources Information Center

    Sesow, F. Wm.

    This paper suggests a technique for the development, collection, and organization of materials that will aid learning through the use of the senses by building an environmental sense box. England is used as an example of a place that provides many sensory experiences which can be duplicated in such a box. The box can be made from a cardboard…

  12. Underwater boom box

    NASA Astrophysics Data System (ADS)

    White, M. Catherine

    So far, there is no evidence that humpback whales are negatively affected by noise emitted from underwater speakers that may one day be used to measure warming in the oceans. A group of independent biologists from Cornell University monitored the behavior of the whales before, during, and after a scaled-down version of the controversial Acoustic Thermometry of Ocean Climate (ATOC) experiment off the coast of Hawaii. In 84 trials from February through March, they “saw no overt response from the whales.” Previous observations of similar sound transmissions at California's Pioneer Seamount, the other site planned for the experiment, also found no sign of disturbance among marine mammals, including elephant seals and several whale species. More observations are needed, however, before the experiment can be deemed safe, the Cornell biologists advised.

  13. Opening Pandora's Box. Keynote.

    ERIC Educational Resources Information Center

    Gilbertson, Bruce

    In this keynote address, the speaker draws upon his own experiences in education. He begins with his observation that the outcomes of the conference invite change which he applauds. However, he notes that change is always accompanied by fear, and fear has a habit of closing the lid on change. He speculates upon the possibilities were he to have…

  14. Dynamic testing of a two-dimensional box truss beam

    NASA Technical Reports Server (NTRS)

    White, Charles W.

    1987-01-01

    Testing to determine the effects of joint freeplay and pretensioning of diagonal members on the dynamic characteristics of a two-dimensional box truss beam was conducted. The test article was ten bays of planar truss suspended by long wires at each joint. Each bay measured 2 meters per side. Pins of varying size were used to simulate various joint freeplay conditions. Single-point random excitation was the primary method of test. The rational fraction polynomial method was used to extract modal characteristics from test data. A finite element model of the test article was generated from which modal characteristics were predicted. These were compared with those obtained from tests. With the exception of the fundamental mode, correlation of theoretical and experimental results was poor, caused by the resonant coupling of local truss member bending modes with global truss beam modes. This coupling introduced many modes in the frequency range of interest whose frequencies were sensitive to joint boundary conditions. It was concluded that local/global coupling must be avoided in the frequency range where accurate modal characteristics are required.

  15. Dissecting the Hydrobiogeochemical Box

    NASA Astrophysics Data System (ADS)

    Wang, Y.; Alves Meira Neto, A.; Sengupta, A.; Root, R. A.; Dontsova, K.; Troch, P. A. A.; Chorover, J.

    2015-12-01

    Soil genesis is a coupled hydrologic and biogeochemical process that involves the interaction of weathering rock surfaces and water. Due to strong nonlinear coupling, it is extremely difficult to predict biogeochemical changes from hydrological modeling in natural field systems. A fully controlled and monitored system with known initial conditions could be utilized to isolate variables and simplify these natural processes. To investigate the initial weathering of host rock to soil, we employed a 10° sloping soil lysimeter containing one cubic meter of crushed and homogenized basaltic rock. A major experiment of the Periodic Tracer Hierarchy (PERTH) method (Harman and Kim, 2014) coupled with its bonus experiment were performed in the past two years. These experimental applications successfully described the transit-time distribution (TTD) of a tracer-enriched water breakthrough curve in this unique hydrological system (Harman, 2015). With intensive irrigation and high volume of water storage throughout the experiments, rapid biological changes have been observed on the soil surface, such as algal and grass growth. These observations imply that geochemical hotspots may be established within the soil lysimeter. To understand the detailed 2D spatial distribution of biogeochemical changes, 100 selected and undisturbed soil blocks, among a total 1000 sub-gridded equal sized, are tested with several geochemical tools. Each selected soil block was subjected to elemental analysis by pXRF to determine if elemental migration is detectable in the dynamic proto-soil development. Synchrotron XRD quantification with Reitveld refinement will follow to clarify mineralogical transformations in the soil blocks. The combined techniques aim to confirm the development of geochemical hotspots; and link these findings with previous hydrological findings from the PERTH experiment as well as other hydrological modeling, such as conducted with Hydrus and CATHY. This work provides insight to

  16. The lithium vapor box divertor

    SciTech Connect

    Goldston, R. J.; Myers, R.; Schwartz, J.

    2016-01-13

    It has long been recognized that volumetric dissipation of the plasma heat flux from a fusion power system is preferable to its localized impingement on a material surface. Volumetric dissipation mitigates both the anticipated very high heat flux and intense particle-induced damage due to sputtering. Our recent projections to a tokamak demonstration power plant suggest an immense upstream parallel heat flux, of order 20 GW m-2, implying that fully detached operation may be a requirement for the success of fusion power. Building on pioneering work on the use of lithium by Nagayama et al and by Ono et al as well as earlier work on the gas box divertor by Watkins and Rebut, we present here a concept for a lithium vapor box divertor, in which lithium vapor extracts momentum and energy from a fusion-power-plant divertor plasma, using fully volumetric processes. Furthermore, at the high powers and pressures that are projected this requires a high density of lithium vapor, which must be isolated from the main plasma in order to avoid lithium build-up on the chamber walls or in the plasma. Isolation is achieved through a powerful multi-box differential pumping scheme available only for condensable vapors. The preliminary box-wise calculations are encouraging, but much more work is required in order to demonstrate the practical viability of this scheme, taking into account at least 2D plasma and vapor flows within and between the vapor boxes and out of the vapor boxes to the main plasma.

  17. The lithium vapor box divertor

    DOE PAGES

    Goldston, R. J.; Myers, R.; Schwartz, J.

    2016-01-13

    It has long been recognized that volumetric dissipation of the plasma heat flux from a fusion power system is preferable to its localized impingement on a material surface. Volumetric dissipation mitigates both the anticipated very high heat flux and intense particle-induced damage due to sputtering. Our recent projections to a tokamak demonstration power plant suggest an immense upstream parallel heat flux, of order 20 GW m-2, implying that fully detached operation may be a requirement for the success of fusion power. Building on pioneering work on the use of lithium by Nagayama et al and by Ono et al asmore » well as earlier work on the gas box divertor by Watkins and Rebut, we present here a concept for a lithium vapor box divertor, in which lithium vapor extracts momentum and energy from a fusion-power-plant divertor plasma, using fully volumetric processes. Furthermore, at the high powers and pressures that are projected this requires a high density of lithium vapor, which must be isolated from the main plasma in order to avoid lithium build-up on the chamber walls or in the plasma. Isolation is achieved through a powerful multi-box differential pumping scheme available only for condensable vapors. The preliminary box-wise calculations are encouraging, but much more work is required in order to demonstrate the practical viability of this scheme, taking into account at least 2D plasma and vapor flows within and between the vapor boxes and out of the vapor boxes to the main plasma.« less

  18. Classical three-box 'paradox'

    NASA Astrophysics Data System (ADS)

    Kirkpatrick, K. A.

    2003-05-01

    A simple classical probabilistic system (a simple card game) classically exemplifies Aharonov and Vaidman's 'three-box 'paradox'' (1991 J. Phys. A: Math. Gen. 24 2315), implying that the three-box example is neither quantal nor a paradox and leaving one with less difficulty to busy the interpreters of quantum mechanics. An ambiguity in the usual expression of the retrodiction formula is shown to have misled Albert et al (1985 Phys. Rev. Lett. 54 5) to a result not, in fact, 'curious'; the discussion illustrates how to avoid this ambiguity.

  19. A Novel F-Box Protein CaF-Box Is Involved in Responses to Plant Hormones and Abiotic Stress in Pepper (Capsicum annuum L.)

    PubMed Central

    Chen, Rugang; Guo, Weili; Yin, Yanxu; Gong, Zhen-Hui

    2014-01-01

    The F-box protein family is characterized by an F-box motif that has been shown to play an important role in regulating various developmental processes and stress responses. In this study, a novel F-box-containing gene was isolated from leaves of pepper cultivar P70 (Capsicum annuum L.) and designated CaF-box. The full-length cDNA is 2088 bp and contains an open reading frame of 1914 bp encoding a putative polypeptide of 638 amino acids with a mass of 67.8 kDa. CaF-box was expressed predominantly in stems and seeds, and the transcript was markedly upregulated in response to cold stress, abscisic acid (ABA) and salicylic acid (SA) treatment, and downregulated under osmotic and heavy metal stress. CaF-box expression was dramatically affected by salt stress, and was rapidly increased for the first hour, then sharply decreased thereafter. In order to further assess the role of CaF-box in the defense response to abiotic stress, a loss-of-function experiment in pepper plants was performed using a virus-induced gene silencing (VIGS) technique. Measurement of thiobarbituric acid reactive substances (TBARS) and electrolyte leakage revealed stronger lipid peroxidation and cell death in the CaF-box-silenced plants than in control plants, suggesting CaF-box plays an important role in regulating the defense response to abiotic stress resistance in pepper plants. PMID:24518684

  20. NETL's JIC in a box

    ScienceCinema

    David Anna

    2016-07-12

    The National Energy Technology Laboratory developed the idea of a portable joint information center AKA JIC in-a-box. This video discribes some of the equipment in the portable JIC as well as some of the methodology that NETL developed as a result of this portable JIC concept.

  1. The Bird Box Survey Project

    ERIC Educational Resources Information Center

    Willis, Patrick

    2014-01-01

    When high school students are asked what's the best part of science class, many will say it's the field trips. Students enjoy engaging in authentic, community-based science outside the classroom. To capitalize on this, Patrick Willis created the Bird Box Survey Project for his introductory field biology class. The project takes students…

  2. On the Dirichlet's Box Principle

    ERIC Educational Resources Information Center

    Poon, Kin-Keung; Shiu, Wai-Chee

    2008-01-01

    In this note, we will focus on several applications on the Dirichlet's box principle in Discrete Mathematics lesson and number theory lesson. In addition, the main result is an innovative game on a triangular board developed by the authors. The game has been used in teaching and learning mathematics in Discrete Mathematics and some high schools in…

  3. Expo-Box Contact Us

    EPA Pesticide Factsheets

    EPA-Expo-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases, mode

  4. Black Boxes in Workplace Mathematics

    ERIC Educational Resources Information Center

    Williams, Julian; Wake, Geoff

    2007-01-01

    We ground Cultural-Historical Activity Theory (CHAT) in studies of workplace practices from a mathematical point of view. We draw on multiple case study visits by college students and teacher-researchers to workplaces. By asking questions that "open boxes", we "outsiders and boundary-crossers" sought to expose contradictions between College and…

  5. NETL's JIC in a box

    SciTech Connect

    David Anna

    2009-06-03

    The National Energy Technology Laboratory developed the idea of a portable joint information center AKA JIC in-a-box. This video discribes some of the equipment in the portable JIC as well as some of the methodology that NETL developed as a result of this portable JIC concept.

  6. Breaking Out of the Box.

    ERIC Educational Resources Information Center

    Spady, William G.

    2000-01-01

    Deplores inconsistencies between the realities of today's technologically driven, information-age world and the static, constraining boxes in which state-initiated, accountability- focused reforms hold American education. We must reconceptualize schooling, curriculum content, time, grade levels, and achievement to allow more informal,…

  7. The Bird Box Survey Project

    ERIC Educational Resources Information Center

    Willis, Patrick

    2014-01-01

    When high school students are asked what's the best part of science class, many will say it's the field trips. Students enjoy engaging in authentic, community-based science outside the classroom. To capitalize on this, Patrick Willis created the Bird Box Survey Project for his introductory field biology class. The project takes students…

  8. Black Boxes in Workplace Mathematics

    ERIC Educational Resources Information Center

    Williams, Julian; Wake, Geoff

    2007-01-01

    We ground Cultural-Historical Activity Theory (CHAT) in studies of workplace practices from a mathematical point of view. We draw on multiple case study visits by college students and teacher-researchers to workplaces. By asking questions that "open boxes", we "outsiders and boundary-crossers" sought to expose contradictions between College and…

  9. Looking into the Black Box

    ERIC Educational Resources Information Center

    Shellman, Amy

    2011-01-01

    In these remarks, the author shares some comments that not only encapsulate the individual research presentations but also help provide some context with regard to the theme for the session titled "Into the Black Box: Linking Process and Outcomes in Experiential Education," and what these papers collectively contribute to experiential education…

  10. On the Dirichlet's Box Principle

    ERIC Educational Resources Information Center

    Poon, Kin-Keung; Shiu, Wai-Chee

    2008-01-01

    In this note, we will focus on several applications on the Dirichlet's box principle in Discrete Mathematics lesson and number theory lesson. In addition, the main result is an innovative game on a triangular board developed by the authors. The game has been used in teaching and learning mathematics in Discrete Mathematics and some high schools in…

  11. EPA-Expo-Box Terminology

    EPA Pesticide Factsheets

    EPA-Expo-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases,

  12. The Cereal Box Problem Revisited.

    ERIC Educational Resources Information Center

    Wilkins, Jesse L. M.

    1999-01-01

    Investigates the cereal box problem using both an experimental and theoretical framework, and Monte Carlo methods. Using empirical data, students can discover patterns and relationships that help them understand the origin of the theoretical solution to the problem. Contains 17 references. (Author/ASK)

  13. The Ion Wakefield Inside a Glass Box

    NASA Astrophysics Data System (ADS)

    Chen, Mudi; Matthews, Lorin; Hyde, Truell

    2016-10-01

    The formation of an ion wakefield downstream of dust particles in a complex plasma sheath has long been understood to have strong implications on their structure, stability and dynamics . The presence of the ion wake introduces interesting phenomena such as charge reduction on downstream particles and asymmetric interaction forces between upstream and downstream particles. Many of the self-ordered dust particle structures observed in complex plasma experiments are the result of the combination of the ion-wakefield and the external confinement; unfortunately, few experimental measurements isolating the effect of the wakefield have been conducted. In this experiment, 1-D dust particle structures (i.e., vertically aligned particle chains) are formed in a GEC RF reference cell within a glass box sitting on the powered lower electrode. A diode pumped, solid-state laser is used to perturb individual particles within the particle chain, allowing a map of the ion wakefield inside the glass box to be generated. The implications of these results will be discussed. NSF / DOE funding is gratefully acknowledged - PHY1414523 & PHY1262031.

  14. Evaluation of bike boxes at signalized intersections.

    PubMed

    Dill, Jennifer; Monsere, Christopher M; McNeil, Nathan

    2012-01-01

    This paper presents a before-after study of bike boxes at 10 signalized intersections in Portland, Oregon. The bike boxes, also known as advanced stop lines or advanced stop boxes, were installed to increase visibility of cyclists and reduce conflicts between motor vehicles and cyclists, particularly in potential "right-hook" situations. Before and after video were analyzed for seven intersections with green bike boxes, three intersections with uncolored bike boxes, and two control intersections. User perceptions were measured through surveys of cyclists passing through five of the bike box intersections and of motorists working downtown, where the boxes were concentrated. Both the observations and survey of motorists found a high rate of compliance and understanding of the markings. Overall, 73% of the stopping motor vehicles did not encroach at all into the bike box. Both motor vehicle and bicycle encroachment in the pedestrian crosswalk fell significantly at the bike box locations compared to the control intersections. The bike boxes had mixed effects on the motorists' encroachment in the bicycle lane. The number of observed conflicts at the bike box locations decreased, while the total number of cyclists and motor vehicles turning right increased. Negative-binomial models based upon the data predict fewer conflicts with the boxes, particularly as right-turning motor vehicle volumes increase. Observations of yielding behavior at two bike box and one control intersection found an improvement in motorists yielding to cyclists at the bike box locations. Differences in the traffic volumes and location contexts make firm conclusions about the effects of green coloring of the boxes difficult. Higher shares of surveyed motorists felt that the bike boxes made driving safer rather than more dangerous, even when the sample was narrowed to respondents who were not also cyclists. Over three-quarters of the surveyed cyclists thought that the boxes made the intersection safer

  15. BOX SPLINE BASED 3D TOMOGRAPHIC RECONSTRUCTION OF DIFFUSION PROPAGATORS FROM MRI DATA.

    PubMed

    Ye, Wenxing; Portnoy, Sharon; Entezari, Alireza; Vemuri, Baba C; Blackband, Stephen J

    2011-06-09

    This paper introduces a tomographic approach for reconstruction of diffusion propagators, P( r ), in a box spline framework. Box splines are chosen as basis functions for high-order approximation of P( r ) from the diffusion signal. Box splines are a generalization of B-splines to multivariate setting that are particularly useful in the context of tomographic reconstruction. The X-Ray or Radon transform of a (tensor-product B-spline or a non-separable) box spline is a box spline - the space of box splines is closed under the Radon transform.We present synthetic and real multi-shell diffusion-weighted MR data experiments that demonstrate the increased accuracy of P( r ) reconstruction as the order of basis functions is increased.

  16. Tritium stripping in a nitrogen glove box using palladium/zeolite and SAES St 198

    SciTech Connect

    Klein, J.E.; Wermer, J.R.

    1995-10-01

    Glove box clean-up experiments were conducted in a nitrogen glove box using palladium deposited on zeolite (Pd/z) and a SAES St 198 getter as tritium stripping materials. Protium/deuterium samples spiked with tritium were released into a 620 liter glove box to simulate tritium releases in a 10,500 liter glove box. The Pd/z and the SAES St 198 stripper beds produced a reduction in tritium activity of approximately two to three orders of magnitude and glove box clean-up was limited by a persistent background tritium activity level. Attempts to significantly reduce the glove box activity to lower levels without purging were unsuccessful. 3 refs., 6 figs., 1 tab.

  17. Tritium stripping in a nitrogen glove box using palladium/zeolite and SAES St 198{trademark}

    SciTech Connect

    Klien, J.E.; Wermer, J.R.

    1995-01-01

    Glove box clean-up experiments were conducted in a nitrogen glove box using palladium deposited on zeolite (Pd/z) and a SAES St 198{trademark} getter as tritium stripping materials. Protium/deuterium samples spiked with tritium were released into a 620 liter glove box to simulate tritium releases in a 10,500 liter glove box. The Pd/z and the SAES St 198{trademark} stripper beds produced a reduction in tritium activity of approximately two to three orders of magnitude and glove box clean-up was limited by a persistent background tritium activity level. Attempts to significantly reduce the glove box activity to lower levels without purging were unsuccessful.

  18. A survey of the optimal handle position for boxes with different sizes and manual handling positions.

    PubMed

    Jung, Hwa-S; Jung, Hyung-Shik

    2010-01-01

    Handles on objects are very important for enhancing the safety and efficiency of manual handling for people who use them. In this study, four different prototype boxes with auxiliary handles were designed to determine the optimal handle position of a box based on the evaluated user preferences and body part discomfort (BPD). Twenty male students participated in the experiment. Likert-5 point summated rating was applied to evaluate user preferences for the provided boxes with handles in upper, middle, and lower positions, in four different sizes and manual handling positions. Ten additional subjects were asked to indicate their BPD on a body chart after performing a similar experiment. The results show that the subjects preferred the upper part of the handle on a small box regardless of handling position; while the mid to upper parts of the handle on a big box were preferred for handling above the waist height. BPD also indicated that an upper handle was less stressful for a relatively smaller box than a big one; and mid to upper handles were less comfortable for a big box. The optimal handle positions depending on box size and handling position were suggested based on the results of the evaluation. It is thus recommended that a box provides a handle according to its relevant position, depending on size and manual handling condition, to reduce the musculoskeletal stress and in turn to increase user satisfaction.

  19. The Laser Synthesis of Linear Polyynes: The Particle in a Box Revisited

    ERIC Educational Resources Information Center

    Anderson, Bruce D.; Gordon, Christopher M.

    2008-01-01

    In this experiment, linear polyynes are synthesized and then the predictions of a one-dimensional, particle in a box are used to calculate the quantum mechanical box length for the polyynes. A solution of graphite in ethanol is irradiated with a Nd:YAG laser (532 nm) and the resulting solution is filtered and analyzed. Data from gas…

  20. The Laser Synthesis of Linear Polyynes: The Particle in a Box Revisited

    ERIC Educational Resources Information Center

    Anderson, Bruce D.; Gordon, Christopher M.

    2008-01-01

    In this experiment, linear polyynes are synthesized and then the predictions of a one-dimensional, particle in a box are used to calculate the quantum mechanical box length for the polyynes. A solution of graphite in ethanol is irradiated with a Nd:YAG laser (532 nm) and the resulting solution is filtered and analyzed. Data from gas…

  1. Comparison of postbuckling model and finite element model with compression strength of corrugated boxes

    Treesearch

    Thomas J. Urbanik; Edmond P. Saliklis

    2002-01-01

    Conventional compression strength formulas for corrugated fiberboard boxes are limited to geometry and material that produce an elastic postbuckling failure. Inelastic postbuckling can occur in squatty boxes and trays, but a mechanistic rationale for unifying observed strength data is lacking. This study employs a finite element model, instead of actual experiments, to...

  2. Glove box for water pit applications

    DOEpatents

    Mills, William C.; Rabe, Richard A.

    2005-01-18

    A glove box assembly that includes a glove box enclosure attached to a longitudinally extending hollow tube having an entranceway, wherein the portion of the tube is in a liquid environment. An elevator member is provided for raising an object that is introduced into the hollow tube from the liquid environment to a gas environment inside the glove box enclosure while maintaining total containment.

  3. The Guide to the Ecology Box.

    ERIC Educational Resources Information Center

    Ontario Inst. for Studies in Education, Toronto.

    Cooperating with the Canadian Commission for UNESCO, the Ontario Institute for Studies in Education has prepared boxes of experimental curriculum materials on the subject of ecology. This guide summarizes the design and contents of the boxes and provides instructions for those using the boxes--principals, teachers, parents, librarians, and…

  4. The Heuristic Interpretation of Box Plots

    ERIC Educational Resources Information Center

    Lem, Stephanie; Onghena, Patrick; Verschaffel, Lieven; Van Dooren, Wim

    2013-01-01

    Box plots are frequently used, but are often misinterpreted by students. Especially the area of the box in box plots is often misinterpreted as representing number or proportion of observations, while it actually represents their density. In a first study, reaction time evidence was used to test whether heuristic reasoning underlies this…

  5. The Guide to the Ecology Box.

    ERIC Educational Resources Information Center

    Ontario Inst. for Studies in Education, Toronto.

    Cooperating with the Canadian Commission for UNESCO, the Ontario Institute for Studies in Education has prepared boxes of experimental curriculum materials on the subject of ecology. This guide summarizes the design and contents of the boxes and provides instructions for those using the boxes--principals, teachers, parents, librarians, and…

  6. The Heuristic Interpretation of Box Plots

    ERIC Educational Resources Information Center

    Lem, Stephanie; Onghena, Patrick; Verschaffel, Lieven; Van Dooren, Wim

    2013-01-01

    Box plots are frequently used, but are often misinterpreted by students. Especially the area of the box in box plots is often misinterpreted as representing number or proportion of observations, while it actually represents their density. In a first study, reaction time evidence was used to test whether heuristic reasoning underlies this…

  7. Illumination box and camera system

    DOEpatents

    Haas, Jeffrey S.; Kelly, Fredrick R.; Bushman, John F.; Wiefel, Michael H.; Jensen, Wayne A.; Klunder, Gregory L.

    2002-01-01

    A hand portable, field-deployable thin-layer chromatography (TLC) unit and a hand portable, battery-operated unit for development, illumination, and data acquisition of the TLC plates contain many miniaturized features that permit a large number of samples to be processed efficiently. The TLC unit includes a solvent tank, a holder for TLC plates, and a variety of tool chambers for storing TLC plates, solvent, and pipettes. After processing in the TLC unit, a TLC plate is positioned in a collapsible illumination box, where the box and a CCD camera are optically aligned for optimal pixel resolution of the CCD images of the TLC plate. The TLC system includes an improved development chamber for chemical development of TLC plates that prevents solvent overflow.

  8. Rings and boxes in dissipative environments

    NASA Astrophysics Data System (ADS)

    Horovitz, Baruch

    2012-02-01

    We study a particle on a ring in presence of a dissipative Caldeira-Leggett environment and derive its response to a DC field [1]. We find, through a 2-loop renormalization group analysis, that a large dissipation parameter η flows to a fixed point R̂=/2π. We also reexamine the mapping of this problem to that of the Coulomb box and show that the relaxation resistance, of recent interest, has a certain average that is quantized for η>R̂, leading to quantized noise. We propose a box experiment to detect this noise. When the particle carries a spin with spin-orbit interactions [2] we find that the spin correlations in the direction perpendicular to the ring are finite at long times, i.e. do not dephase, while the parallel components may decay as a power law at strong dissipation. [4pt] [1] Y. Etzioni, B. Horovitz and P. Le Doussal, Phys. Rev. Lett. 106, 166803 (2011). [0pt] [2] G. Zar'and, G. T. Zim'anyi and F. Wilhelm, Phys. Rev. B62, 8137 (2000).

  9. MELFI-3 Cold Box inspection

    NASA Image and Video Library

    2015-03-13

    ISS043e000724 (03/13/2015) --- ESA (European Space Agency) astronaut Samantha Cristoforetti, Expedition 43 flight engineer works daily on science and maintenance duties on board the International Space Station. She is inspecting the Minus Eighty-degree Laboratory Freezer called by the shorter title "MELFI-3 Cold Box inspection". Astronauts are trained for long periods at the Johnson Space Center and in Russia before their missions in space begin so that they are fully trained for these complex duties.

  10. The HMG-1 box protein family: classification and functional relationships.

    PubMed Central

    Baxevanis, A D; Landsman, D

    1995-01-01

    The abundant and highly-conserved nucleoproteins comprising the high mobility group-1/2 (HMG-1/2) family contains two homologous basic domains of about 75 amino acids. These basic domains, termed HMG-1 boxes, are highly structured and facilitate HMG-DNA interactions. Many proteins that regulate various cellular functions involving DNA binding and whose target DNA sequences share common structural characteristics have been identified as having an HMG-1 box; these proteins include the RNA polymerase I transcription factor UBF, the mammalian testis-determining factor SRY and the mitochondrial transcription factors ABF2 and mtTF1, among others. The sequences of 121 HMG-1 boxes have been compiled and aligned in accordance with thermodynamic results from homology model building (threading) experiments, basing the alignment on structure rather than by using traditional sequence homology methods. The classification of a representative subset of these proteins was then determined using standard least-squares distance methods. The proteins segregate into two groups, the first consisting of HMG-1/2 proteins and the second consisting of proteins containing the HMG-1 box but which are not canonical HMG proteins. The proteins in the second group further segregate based on their function, their ability to bind specific sequences of DNA, or their ability to recognize discrete non-B-DNA structures. The HMG-1 box provides an excellent example of how a specific protein motif, with slight alteration, can be used to recognize DNA in a variety of functional contexts. Images PMID:7784217

  11. Invariant box-parameterization of neutrino oscillations

    SciTech Connect

    Weiler, Thomas J.; Wagner, DJ

    1998-10-19

    The model-independent 'box' parameterization of neutrino oscillations is examined. The invariant boxes are the classical amplitudes of the individual oscillating terms. Being observables, the boxes are independent of the choice of parameterization of the mixing matrix. Emphasis is placed on the relations among the box parameters due to mixing-matrix unitarity, and on the reduction of the number of boxes to the minimum basis set. Using the box algebra, we show that CP-violation may be inferred from measurements of neutrino flavor mixing even when the oscillatory factors have averaged. General analyses of neutrino oscillations among n{>=}3 flavors can readily determine the boxes, which can then be manipulated to yield magnitudes of mixing matrix elements.

  12. A New Set of ESTs from Chickpea (Cicer arietinum L.) Embryo Reveals Two Novel F-Box Genes, CarF-box_PP2 and CarF-box_LysM, with Potential Roles in Seed Development

    PubMed Central

    Gupta, Shefali; Garg, Vanika; Bhatia, Sabhyata

    2015-01-01

    Considering the economic importance of chickpea (C. arietinum L.) seeds, it is important to understand the mechanisms underlying seed development for which a cDNA library was constructed from 6 day old chickpea embryos. A total of 8,186 ESTs were obtained from which 4,048 high quality ESTs were assembled into 1,480 unigenes that majorly encoded genes involved in various metabolic and regulatory pathways. Of these, 95 ESTs were found to be involved in ubiquitination related protein degradation pathways and 12 ESTs coded specifically for putative F-box proteins. Differential transcript accumulation of these putative F-box genes was observed in chickpea tissues as evidenced by quantitative real-time PCR. Further, to explore the role of F-box proteins in chickpea seed development, two F-box genes were selected for molecular characterization. These were named as CarF-box_PP2 and CarF-box_LysM depending on their C-terminal domains, PP2 and LysM, respectively. Their highly conserved structures led us to predict their target substrates. Subcellular localization experiment revealed that CarF-box_PP2 was localized in the cytoplasm and CarF-box_LysM was localized in the nucleus. We demonstrated their physical interactions with SKP1 protein, which validated that they function as F-box proteins in the formation of SCF complexes. Sequence analysis of their promoter regions revealed certain seed specific cis-acting elements that may be regulating their preferential transcript accumulation in the seed. Overall, the study helped in expanding the EST database of chickpea, which was further used to identify two novel F-box genes having a potential role in seed development. PMID:25803812

  13. A new set of ESTs from chickpea (Cicer arietinum L.) embryo reveals two novel F-box genes, CarF-box_PP2 and CarF-box_LysM, with potential roles in seed development.

    PubMed

    Gupta, Shefali; Garg, Vanika; Bhatia, Sabhyata

    2015-01-01

    Considering the economic importance of chickpea (C. arietinum L.) seeds, it is important to understand the mechanisms underlying seed development for which a cDNA library was constructed from 6 day old chickpea embryos. A total of 8,186 ESTs were obtained from which 4,048 high quality ESTs were assembled into 1,480 unigenes that majorly encoded genes involved in various metabolic and regulatory pathways. Of these, 95 ESTs were found to be involved in ubiquitination related protein degradation pathways and 12 ESTs coded specifically for putative F-box proteins. Differential transcript accumulation of these putative F-box genes was observed in chickpea tissues as evidenced by quantitative real-time PCR. Further, to explore the role of F-box proteins in chickpea seed development, two F-box genes were selected for molecular characterization. These were named as CarF-box_PP2 and CarF-box_LysM depending on their C-terminal domains, PP2 and LysM, respectively. Their highly conserved structures led us to predict their target substrates. Subcellular localization experiment revealed that CarF-box_PP2 was localized in the cytoplasm and CarF-box_LysM was localized in the nucleus. We demonstrated their physical interactions with SKP1 protein, which validated that they function as F-box proteins in the formation of SCF complexes. Sequence analysis of their promoter regions revealed certain seed specific cis-acting elements that may be regulating their preferential transcript accumulation in the seed. Overall, the study helped in expanding the EST database of chickpea, which was further used to identify two novel F-box genes having a potential role in seed development.

  14. Validation of an endoscopic part-task training box as a skill assessment tool.

    PubMed

    Jirapinyo, Pichamol; Kumar, Nitin; Thompson, Christopher C

    2015-04-01

    There is no objective methodology to assess trainee progress in endoscopy. Our prior work has detailed the development of the endoscopic part-task training box. To assess validity evidence regarding relationship to other variables by evaluating a correlation between level of endoscopic experience and training box score. Prospective validation study. Three academic institutions. A total of 42 participants: 7 novices, 7 first-year GI fellows, 7 second-year GI fellows, 7 third-year GI fellows, 7 attending physicians, and 7 interventional attending physicians. The training box consists of 5 modules: retroflexion, knob control, torque, polypectomy, and navigation/loop reduction. Performance is scored for precision and speed. Each participant was required to complete the training box once. Additionally, 5 participants at different endoscopic levels completed the training box 3 times at 1-week intervals. A correlation between level of endoscopic experience and training box score. All 42 participants completed the 5 modules during a single session. Aggregate training box scores differed significantly between each training level (P values < .05). Individual modules significantly differentiated between experience-level groups (novices, fellows, and attending physicians; P values < .01). Participants who repeated the training box demonstrated score improvement over time, with persistence of separation between training levels. The training box focuses only on the technical aspects of endoscopy and does not address the cognitive elements of endoscopic training. The endoscopic part-task training box is able to objectively assess endoscopic ability by differentiating scores based on clinical experience. Further multicenter efforts are now needed to establish learning curves and to correlate use of the simulator with improved clinical aptitude. Copyright © 2015 American Society for Gastrointestinal Endoscopy. Published by Elsevier Inc. All rights reserved.

  15. New hot box solar cooker

    SciTech Connect

    Wang Xiping; Hou Shuqin; Sha Yongling; Liu Zude

    1992-12-31

    At present, over 100,000 solar cookers are in service in China. Most of these are concentrating cookers, making use of reflectors to concentrate sunlight at the cooking area. These cookers offer higher efficiency, more power and shorter cooking times. Since 1975 the authors have researched solar energy applications and, specifically, solar cookers. The major work has been the development of design calculations, selection of structure and materials, and performance testing. This paper describes the testing of several collection surface structures and box structures.

  16. Voronoi Diagrams Without Bounding Boxes

    NASA Astrophysics Data System (ADS)

    Sang, E. T. K.

    2015-10-01

    We present a technique for presenting geographic data in Voronoi diagrams without having to specify a bounding box. The method restricts Voronoi cells to points within a user-defined distance of the data points. The mathematical foundation of the approach is presented as well. The cell clipping method is particularly useful for presenting geographic data that is spread in an irregular way over a map, as for example the Dutch dialect data displayed in Figure 2. The automatic generation of reasonable cell boundaries also makes redundant a frequently used solution to this problem that requires data owners to specify region boundaries, as in Goebl (2010) and Nerbonne et al (2011).

  17. The Lithium Vapor Box Divertor

    NASA Astrophysics Data System (ADS)

    Goldston, Robert; Hakim, Ammar; Hammett, Gregory; Jaworski, Michael; Myers, Rachel; Schwartz, Jacob

    2015-11-01

    Projections of scrape-off layer width to a demonstration power plant suggest an immense parallel heat flux, of order 12 GW/m2, which will necessitate nearly fully detached operation. Building on earlier work by Nagayama et al. and by Ono et al., we propose to use a series of differentially pumped boxes filled with lithium vapor to isolate the buffering vapor from the main plasma chamber, allowing stable detachment. This powerful differential pumping is only available for condensable vapors, not conventional gases. We demonstrate the properties of such a system through conservation laws for vapor mass and enthalpy, and then include plasma entrainment and ultimately an estimate of radiated power. We find that full detachment should be achievable with little leakage of lithium to the main plasma chamber. We also present progress towards solving the Navier-Stokes equation numerically for the chain of vapor boxes, including self-consistent wall boundary conditions and fully-developed shocks, as well as concepts for an initial experimental demonstration-of-concept. This work supported by DOE Contract No. DE-AC02-09CH11466.

  18. Deformity in the "Boxing Boys".

    PubMed

    Ferrence, Susan; Bendersky, Gordon

    2005-01-01

    The late Bronze Age wall painting the Boxing Boys (c. 17th-16th century BCE) was excavated in the ancient town of Akrotiri on the Greek island of Thera. This article considers a medical interpretation for the spinal-pelvic anomaly in the anatomy of one of the boys. The artist has depicted a combination of structural anatomical adjustments diagnostic of spondylolisthesis, a forward slippage of one of the lumbar vertebrae. The accurate portrayal of the surface appearance of this condition suggests that the artist painted directly from a live subject. Thus, the Boxing Boys mural may be the earliest visual record of a sports-induced injury. Although the meaning of the wall paintings is unclear, the wild goats (agrimia) on the adjoining walls simulate swayback as a reflection of the boy's torso deformity and share other features with the boxers, adding to the unifying characteristics of the room. The abnormal morphology appears to be the earliest achievement of transforming disease into aesthetic charm on a monumental scale.

  19. A nest box to facilitate excreta collection from mouse dams through pregnancy, parturition, and lactation.

    SciTech Connect

    Blum, C. A.; Wilson, A. K.; Bhattacharyya, M. H.; Center for Mechanistic Biology and Biotechnology; Oregon State Univ.; Benedictine Univ.

    1999-05-01

    Standard metabolism cages are inadequate for collecting excreta from dams during parturition because newborn pups can fall through the grating into the excreta collection area and out of reach of the dam. A nest box was designed that facilitates excreta collection from mouse dams continuously housed in metabolism cages from conception, through parturition, and into lactation and provides a safe, warm environment for pups during their first week of life. The nest box was tested by using pregnant and lactating mice of two varieties of strain 129/SvJ, metallothionein-normal and metallothionein-knockout; non-pregnant mice were used as controls. Pregnant mice (with nest box) and non-pregnant mice (without nest box) each twice received a solution of 109CdCl2 by gavage. Dams with nest boxes fastidiously urinated and defecated outside the nest box. The percentage of gavage 109Cd dose recovered in dam feces was the same after the first gavage (mean6SE, with nest box through parturition, 95%66%; n=5) as after the second gavage (mean6SE, without nest box, 95%66%; n=5). Weights and percentage weight gain of mouse dams were independent of housing conditions (metabolic cage with next box vs. conventional polycarbonate caging). Furthermore, pup growth and survival were unaffected by the inclusion of the nest box or by its removal at 1 week after birth. Therefore, the described nest box provides for the first time a way to quantitatively collect excreta from mouse dams through pregnancy, parturition, and the early postnatal period. Additional experiments are needed to test its application to other animal species and strains of mice, including those with poor mothering behavior.

  20. Interchangeable breech lock for glove boxes

    SciTech Connect

    Lemonds, David Preston

    2015-11-24

    A breech lock for a glove box is provided that may be used to transfer one or more items into the glove box. The breech lock can be interchangeably installed in place of a plug, glove, or other device in a port or opening of a glove box. Features are provided to aid the removal of items from the breech lock by a gloved operator. The breech lock can be reused or, if needed, can be replaced with a plug, glove, or other device at the port or opening of the glove box.

  1. Duplex unwinding with DEAD-box proteins.

    PubMed

    Jankowsky, Eckhard; Putnam, Andrea

    2010-01-01

    DEAD-box proteins, which comprise the largest helicase family, are involved in virtually all aspects of RNA metabolism. DEAD-box proteins catalyze diverse ATP-driven functions including the unwinding of RNA secondary structures. In contrast to many well-studied DNA and viral RNA helicases, DEAD-box proteins do not rely on translocation on one of the nucleic acid strands for duplex unwinding, but directly load onto helical regions and then locally pry the strands apart in an ATP-dependent fashion. In this chapter, we outline substrate design and unwinding protocols for DEAD-box proteins and focus on the quantitative evaluation of their unwinding activity.

  2. Approach to a correct function of stuffing boxes

    SciTech Connect

    Bartonicek, J.; Schoeckle, F.

    1996-12-01

    Stuff boxes are often used to tighten the gaps between valve stems and the housing. The stuffing box packing material is compressed axially to achieve a radial stress value, which is necessary for tightness. Tightness is achieved, if the sealing materials are seated properly and if a sufficient stress value is acting in radial direction during all states of operation. High prestress values are necessary for tightening purposes, lower values are better for the function of the valve. As the seating and the prestressing force is applied axially (using the bolts of a gland), gasket factors must be known, that characterize the deformation behavior and the transmission (relation between radial/axial stress). Furthermore, gasket factors, that characterize the tightening behavior, are necessary. Such gasket factors give the relation between radial stress and leakage of the packing materials. A friction coefficient -- this parameter determines the function of the valve (together with the radial stress) -- is another important gasket factor. Additionally the relaxation of the stuffing box packing material between the assembly and the operating state must be known. In the paper definitions for the most important gasket factors of stuffing box materials are provided. Test procedures and test rigs for the determination of the gasket factors are discussed. Gasket factors, which have been measured with these newly developed test rigs, are related to experiences with real applications. Finally a method for a controlled prestressing of gland packings is described.

  3. Boxing and chronic brain damage.

    PubMed

    Stiller, J W; Weinberger, D R

    1985-06-01

    A chronic, and at times, progressive neurologic syndrome associated with boxing has been recognized for some time by boxing fans and people involved with the sport. Since Martland's first description of the syndrome in 1929, there has been only one randomly selected study of ex-boxers, that of Roberts, which showed a 17 per cent prevalence of this syndrome among boxers who fought between 1929 and 1955. This syndrome can be progressive but often is not. Furthermore, the extent of occupational exposure is probably a significant risk factor. Because of this, it would be expected that the prevalance of the syndrome in the modern boxer, as well as the amateur, would be significantly less than during the first half of the century, and, indeed, several studies appear to support this. Recent studies provide evidence that brain damage does exist in modern boxers and suggests that "subclinical" brain damage is likely to be more prevalent than obvious clinical dysfunction. There is clearly a discrepancy between subclinical evidence of neurologic involvement (for example, an abnormal CT scan) and signs of clinical neurologic dysfunction (for example, clinical exam and neuropsychological testing). The latter tend to show less frequent and consistent evidence of brain damage in boxers than does the CT scan. Although it is tempting to assume that an abnormal CT scan presages the development of neurologic dysfunction, it is not clear that this is the case. The prevalence of the syndrome, risk for progression to functional deficit, warning signs, and the natural history cannot be defined at this time. The only way to better define these parameters would be a controlled prospective study, which has yet to be undertaken.

  4. PINE Discovery Box, 101 Stimulating Ideas.

    ERIC Educational Resources Information Center

    Busch, Phyllis S.

    This manual is intended for use with the PINE (Projects in Imaginative Nature Education) discovery box in elementary school conservation education. The box contains 21 natural specimens which can serve as the starting point for simple student investigations. Specimens and activities are keyed for grade level. For each item, background information…

  5. Cereal Box Design: An Interdisciplinary Graphics Activity

    ERIC Educational Resources Information Center

    Fitzgerald, Mike; Tsosie, Teri

    2004-01-01

    This article describes cereal box design, an interdisciplinary graphics activity. The cereal box design activity is intriguing both for its simplicity and the resourcefulness that it can generate in young people. It lends itself to a variety of curriculums. It covers both consumerism and Design for the Environment (DfE) concepts broadly and in…

  6. BLS: Box-fitting Least Squares

    NASA Astrophysics Data System (ADS)

    Kovács, G.; Zucker, S.; Mazeh, T.

    2016-07-01

    BLS (Box-fitting Least Squares) is a box-fitting algorithm that analyzes stellar photometric time series to search for periodic transits of extrasolar planets. It searches for signals characterized by a periodic alternation between two discrete levels, with much less time spent at the lower level.

  7. 49 CFR 38.33 - Fare box.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 49 Transportation 1 2013-10-01 2013-10-01 false Fare box. 38.33 Section 38.33 Transportation Office of the Secretary of Transportation AMERICANS WITH DISABILITIES ACT (ADA) ACCESSIBILITY SPECIFICATIONS FOR TRANSPORTATION VEHICLES Buses, Vans and Systems § 38.33 Fare box. Where provided, the...

  8. 49 CFR 38.33 - Fare box.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 49 Transportation 1 2014-10-01 2014-10-01 false Fare box. 38.33 Section 38.33 Transportation Office of the Secretary of Transportation AMERICANS WITH DISABILITIES ACT (ADA) ACCESSIBILITY SPECIFICATIONS FOR TRANSPORTATION VEHICLES Buses, Vans and Systems § 38.33 Fare box. Where provided, the...

  9. 49 CFR 38.33 - Fare box.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 49 Transportation 1 2010-10-01 2010-10-01 false Fare box. 38.33 Section 38.33 Transportation Office of the Secretary of Transportation AMERICANS WITH DISABILITIES ACT (ADA) ACCESSIBILITY SPECIFICATIONS FOR TRANSPORTATION VEHICLES Buses, Vans and Systems § 38.33 Fare box. Where provided, the...

  10. Magnetorotational dynamo action in the shearing box

    NASA Astrophysics Data System (ADS)

    Walker, Justin; Boldyrev, Stanislav

    2017-09-01

    Magnetic dynamo action caused by the magnetorotational instability is studied in the shearing-box approximation with no imposed net magnetic flux. Consistent with recent studies, the dynamo action is found to be sensitive to the aspect ratio of the box: it is much easier to obtain in tall boxes (stretched in the direction normal to the disc plane) than in long boxes (stretched in the radial direction). Our direct numerical simulations indicate that the dynamo is possible in both cases, given a large enough magnetic Reynolds number. To explain the relatively larger effort required to obtain the dynamo action in a long box, we propose that the turbulent eddies caused by the instability most efficiently fold and mix the magnetic field lines in the radial direction. As a result, in the long box the scale of the generated strong azimuthal (stream-wise directed) magnetic field is always comparable to the scale of the turbulent eddies. In contrast, in the tall box the azimuthal magnetic flux spreads in the vertical direction over a distance exceeding the scale of the turbulent eddies. As a result, different vertical sections of the tall box are permeated by large-scale non-zero azimuthal magnetic fluxes, facilitating the instability. In agreement with this picture, the cases when the dynamo is efficient are characterized by a strong intermittency of the local azimuthal magnetic fluxes.

  11. Cereal Box Design: An Interdisciplinary Graphics Activity

    ERIC Educational Resources Information Center

    Fitzgerald, Mike; Tsosie, Teri

    2004-01-01

    This article describes cereal box design, an interdisciplinary graphics activity. The cereal box design activity is intriguing both for its simplicity and the resourcefulness that it can generate in young people. It lends itself to a variety of curriculums. It covers both consumerism and Design for the Environment (DfE) concepts broadly and in…

  12. An effective box trap for capturing lynx

    Treesearch

    Jay A. Kolbe; John R. Squires; Thomas W. Parker

    2003-01-01

    We designed a box trap for capturing lynx (Lynx lynx) that is lightweight, safe, effective, and less expensive than many commercial models. It can be constructed in approximately 3-4 hours from readily available materials. We used this trap to capture 40 lynx 89 times (96% of lynx entering traps) and observed no trapping related injuries. We compare our box...

  13. 46 CFR 111.81-3 - Cables entering boxes.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 46 Shipping 4 2014-10-01 2014-10-01 false Cables entering boxes. 111.81-3 Section 111.81-3...-GENERAL REQUIREMENTS Outlet Boxes and Junction Boxes § 111.81-3 Cables entering boxes. Each cable entering... through which a conductor enters must be closed. (b) Cable armor must be secured to the box or fitting. (c...

  14. 46 CFR 111.81-3 - Cables entering boxes.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Cables entering boxes. 111.81-3 Section 111.81-3...-GENERAL REQUIREMENTS Outlet Boxes and Junction Boxes § 111.81-3 Cables entering boxes. Each cable entering... through which a conductor enters must be closed. (b) Cable armor must be secured to the box or fitting. (c...

  15. 46 CFR 111.81-3 - Cables entering boxes.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 46 Shipping 4 2013-10-01 2013-10-01 false Cables entering boxes. 111.81-3 Section 111.81-3...-GENERAL REQUIREMENTS Outlet Boxes and Junction Boxes § 111.81-3 Cables entering boxes. Each cable entering... through which a conductor enters must be closed. (b) Cable armor must be secured to the box or fitting. (c...

  16. 46 CFR 111.81-3 - Cables entering boxes.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 46 Shipping 4 2011-10-01 2011-10-01 false Cables entering boxes. 111.81-3 Section 111.81-3...-GENERAL REQUIREMENTS Outlet Boxes and Junction Boxes § 111.81-3 Cables entering boxes. Each cable entering... through which a conductor enters must be closed. (b) Cable armor must be secured to the box or fitting. (c...

  17. 46 CFR 111.81-3 - Cables entering boxes.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 46 Shipping 4 2012-10-01 2012-10-01 false Cables entering boxes. 111.81-3 Section 111.81-3...-GENERAL REQUIREMENTS Outlet Boxes and Junction Boxes § 111.81-3 Cables entering boxes. Each cable entering... through which a conductor enters must be closed. (b) Cable armor must be secured to the box or fitting. (c...

  18. North American box turtles: A natural history

    USGS Publications Warehouse

    Dodd, C. Kenneth

    2002-01-01

    Once a familiar backyard visitor in many parts of the United States and Mexico, the box turtle is losing the battle against extinction. In North American Box Turtles, C. Kenneth Dodd, Jr., has written the first book-length natural history of the twelve species and subspecies of this endangered animal. This volume includes comprehensive information on the species’ evolution, behavior, courtship and reproduction, habitat use, diet, population structure, systematics, and disease. Special features include color photos of all species, subspecies, and their habitats; a simple identification guide to both living and fossil species; and a summary of information on fossil Terrapene and Native uses of box turtles. End-of-chapter sections highlight future research directions, including the need for long-term monitoring and observation of box turtles within their natural habitat and conservation applications. A glossary and a bibliography of literature on box turtles accompany the text.

  19. Boxing injuries: neurologic, radiologic, and neuropsychologic evaluation.

    PubMed

    Ross, R J; Casson, I R; Siegel, O; Cole, M

    1987-01-01

    Boxing is an endeavor that may have to be re-evaluated in the coming years as to whether it should be designated as a sport. It is the only "sport" in which victory is determined by the amount of physical damage done to the opponent. We have presented the largest number of professional and amateur boxers (58) evaluated by various modern diagnostic modalities and have unequivocally demonstrated the deleterious effects of boxing upon the brain. There have been few, if any, meaningful actions taken by the promoters of boxing to correct the conditions under which boxers are subjected to physical abuse. Recommendations regarding the creation of a National Board of Boxing to supervise this "sport" have not been heeded. Suggested safeguards for the boxer, including mandatory medical and boxing history records (passports), use of headgear and approved safe boxing gloves, avoiding blows to the head, improved boxing ring floors, mandatory neurologic examinations, and more competent physicians at ringsides making medical decisions, have essentially not been implemented. The suggestions that mandatory computed tomograms at various stages in a boxer's career be used to determine possible changes of atrophy have not been followed, even when the CT scans have been made available at no cost to the boxers. The effective use of neuropsychologic evaluation, even when offered at no cost, has also been denied. The established medical injuries due to boxing and the lack of any sustained and significant efforts on the part of organized boxing create an atmosphere that is conducive to following the call for the consideration of a ban of boxing.

  20. Evaluation of phosphorus transport in surface runoff from packed soil boxes.

    PubMed

    Kleinman, Peter J A; Sharpley, Andrew N; Veith, Tamie L; Maguire, Rory O; Vadas, Peter A

    2004-01-01

    Evaluation of phosphorus (P) management strategies to protect water quality has largely relied on research using simulated rainfall to generate runoff from either field plots or shallow boxes packed with soil. Runoff from unmanured, grassed field plots (1 m wide x 2 m long, 3-8% slope) and bare soil boxes (0.2 m wide and 1 m long, 3% slope) was compared using rainfall simulation (75 mm h(-1)) standardized by 30-min runoff duration (rainfall averaged 55 mm for field plots and 41 mm for packed boxes). Packed boxes had lower infiltration (1.2 cm) and greater runoff (2.9 cm) and erosion (542 kg ha(-1)) than field plots (3.7 cm infiltration; 1.8 cm runoff; 149 kg ha(-1) erosion), yielding greater total phosphorus (TP) losses in runoff. Despite these differences, regressions of dissolved reactive phosphorus (DRP) in runoff and Mehlich-3 soil P were consistent between field plots and packed boxes reflecting similar buffering by soils and sediments. A second experiment compared manured boxes of 5- and 25-cm depths to determine if variable hydrology based on box depth influenced P transport. Runoff properties did not differ significantly between box depths before or after broadcasting dairy, poultry, or swine manure (100 kg TP ha(-1)). Water-extractable phosphorus (WEP) from manures dominated runoff P, and translocation of manure P into soil was consistent between box types. This study reveals the practical, but limited, comparability of field plot and soil box data, highlighting soil and sediment buffering in unamended soils and manure WEP in amended soils as dominant controls of DRP transport.

  1. Principal Investigator-in-a-Box

    NASA Technical Reports Server (NTRS)

    Young, Laurence R.

    1999-01-01

    Human performance in orbit is currently limited by several factors beyond the intrinsic awkwardness of motor control in weightlessness. Cognitive functioning can be affected by such factors as cumulative sleep loss, stress and the psychological effects of long-duration small-group isolation. When an astronaut operates a scientific experiment, the performance decrement associated with such factors can lead to lost or poor quality data and even the total loss of a scientific objective, at great cost to the sponsors and to the dismay of the Principal Investigator. In long-duration flights, as anticipated on the International Space Station and on any planetary exploration, the experimental model is further complicated by long delays between training and experiment, and the large number of experiments each crew member must perform. Although no documented studies have been published on the subject, astronauts report that an unusually large number of simple errors are made in space. Whether a result of the effects of microgravity, accumulated fatigue, stress or other factors, this pattern of increased error supports the need for a computerized decision-making aid for astronauts performing experiments. Artificial intelligence and expert systems might serve as powerful tools for assisting experiments in space. Those conducting space experiments typically need assistance exactly when the planned checklist does not apply. Expert systems, which use bits of human knowledge and human methods to respond appropriately to unusual situations, have a flexibility that is highly desirable in circumstances where an invariably predictable course of action/response does not exist. Frequently the human expert on the ground is unavailable, lacking the latest information, or not consulted by the astronaut conducting the experiment. In response to these issues, we have developed "Principal Investigator-in-a-Box," or [PI], to capture the reasoning process of the real expert, the Principal

  2. Principal Investigator-in-a-Box

    NASA Technical Reports Server (NTRS)

    Young, Laurence R.

    1999-01-01

    Human performance in orbit is currently limited by several factors beyond the intrinsic awkwardness of motor control in weightlessness. Cognitive functioning can be affected by such factors as cumulative sleep loss, stress and the psychological effects of long-duration small-group isolation. When an astronaut operates a scientific experiment, the performance decrement associated with such factors can lead to lost or poor quality data and even the total loss of a scientific objective, at great cost to the sponsors and to the dismay of the Principal Investigator. In long-duration flights, as anticipated on the International Space Station and on any planetary exploration, the experimental model is further complicated by long delays between training and experiment, and the large number of experiments each crew member must perform. Although no documented studies have been published on the subject, astronauts report that an unusually large number of simple errors are made in space. Whether a result of the effects of microgravity, accumulated fatigue, stress or other factors, this pattern of increased error supports the need for a computerized decision-making aid for astronauts performing experiments. Artificial intelligence and expert systems might serve as powerful tools for assisting experiments in space. Those conducting space experiments typically need assistance exactly when the planned checklist does not apply. Expert systems, which use bits of human knowledge and human methods to respond appropriately to unusual situations, have a flexibility that is highly desirable in circumstances where an invariably predictable course of action/response does not exist. Frequently the human expert on the ground is unavailable, lacking the latest information, or not consulted by the astronaut conducting the experiment. In response to these issues, we have developed "Principal Investigator-in-a-Box," or [PI], to capture the reasoning process of the real expert, the Principal

  3. 6. VIEW OF SPILLWAY TIMBERS AND WATER CONTROL BOX, SHOWING ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    6. VIEW OF SPILLWAY TIMBERS AND WATER CONTROL BOX, SHOWING WATER CONTROL BOX WITH LOWERED LAKE LEVEL - Three Bears Lake & Dams, Water Control Box, North of Marias Pass, East Glacier Park, Glacier County, MT

  4. Modeling Close-In Airblast from ANFO Cylindrical and Box-Shaped Charges

    DTIC Science & Technology

    2010-10-01

    ANFO ) were detonated at various heights above a heavy steel plate. The plate was instrumented with twelve PCB piezoelectric pressure sensors with a...MODELING CLOSE-IN AIRBLAST FROM ANFO CYLINDRICAL AND BOX-SHAPED CHARGES Bob Britt, Tyler Oesch, Bob Walker, Dave Hyde, and Will McMahon...pressures) through a series of experiments and numerical simulations. Cylindrical and box-shaped charges of ammonium nitrate with fuel oil ( ANFO ) were

  5. The ocular complications of boxing.

    PubMed

    Giovinazzo, V J; Yannuzzi, L A; Sorenson, J A; Delrowe, D J; Cambell, E A

    1987-06-01

    In cooperation with the New York State Athletic Commission, 74 boxers applying for a new or yearly renewal license were sequentially referred over a 2-year period for a complete dilated ocular examination at the Sports Vision Institute of the Manhattan Eye, Ear and Throat Hospital. At least one ocular injury was found in 66% of boxers. Vision-threatening injuries, defined as significant damage to the angle, lens, macula, or peripheral retina occurred in 58% of boxers. Nineteen percent of boxers had angle abnormalities. Nineteen percent of boxers had pathologic cataracts, over 70% of these were posterior subcapsular. Six boxers had macular lesions. A total of 24% of boxers had retinal tears. Standardized photographs were used to distinguish pathologic cataracts from congenital opacities and pathologic retinal tears from atrophic holes. Attempts were made to identify risk factors in boxing that might be predictive for ocular injury. Variables included age, weight division, left- or right-handedness, total number of losses, and total number of bouts. Significant correlations were found between the total number of bouts and the total number of losses, and the presence of retinal tears. College varsity athletes were selected as controls. Significant differences were found between boxers and controls for the total number of injuries, total vision-threatening injuries, and the number of retinal tears. A series of recommendations are proposed to aide in the early detection and prevention of serious ocular injuries.

  6. Hydro-Balanced Stuffing Box field test

    SciTech Connect

    Giangiacomo, L.A.

    1999-05-28

    The Hydro-Balanced Stuffing Box is a seal assembly for polished rod pumping installations commonly used in oil and gas pumping well installations to contain produced well fluids. The improved stuffing box was developed and patented by Harold H. Palmour of The Palmour Group of Livingston, TX. The stuffing box is designed to reduce the incidence of seal leakage and to utilize an environmentally safe fluid, so that if there is any leakage, environmental damage is reduced or eliminated. The unit was tested on two wells at the Rocky Mountain Oilfield Testing Center. During the test period, the performance of the stuffing box was measured by monitoring the pressure on the tubing and the inner chamber with a Barton Two-pen recorder. The amount of safe fluid consumed, fluid leakage at the top of the stuffing box, pressure supplied from the nitrogen bottle, ambient temperature, and polish rod temperature was recorded. The stuffing box is capable of providing a better seal between well fluids an d the environment than conventional stuffing boxes. It allows the polished rod to operate cooler and with lubrication, extending the life of the packing elements, and reducing the amount of attention required to prevent leakage.

  7. High-Density Terminal Box for Testing Wire Harness

    NASA Technical Reports Server (NTRS)

    Pierce, W. B.; Collins, W. G.

    1982-01-01

    Compact terminal box provides access to complex wiring harnesses for testing. Box accommodates more than twice as many wires as previous boxes. Box takes in wires via cable connectors and distributes them to contacts on box face. Instead of separate insulated jacks in metal face panel, box uses pairs of small military-standard metal sockets in precision-drilled plastic panel. Shorting plug provides continuity for wires when not being tested.

  8. Structural analysis of box beams using symbolic manipulation technique

    NASA Astrophysics Data System (ADS)

    Sathyamoorthy, M.; Sirigiri, Ravindra

    1993-04-01

    The aeroelastic analysis of aircraft wings requires an accurate determination of the influence coefficients. In the past, energy methods have been commonly used to analyze box-type structures and the results have been found to agree well with the experiments. However, when analysis of large wing-type structures is desired, it becomes necessary to automate the energy method. In this article, a method has been developed based on symbolic manipulation as an automated technique to find solutions to box-type structures. Various manipulations required for the energy method have been automatically implemented in a computer program with solutions available at each stage in a symbolic form. The numerical results for several example problems have been compared with alternate theoretical as well as experimental results. Good agreement has been noted in all the cases considered in this article.

  9. Examination of a junction-box adhesion test for use in photovoltaic module qualification

    NASA Astrophysics Data System (ADS)

    Miller, David C.; Wohlgemuth, John H.

    2012-10-01

    Engineering robust adhesion of the junction-box (j-box) is a hurdle typically encountered by photovoltaic (PV) module manufacturers during product development. There are historical incidences of adverse effects (e.g., fires) caused when the j-box/adhesive/module system has failed in the field. The addition of a weight to the j-box during the "damp heat" IEC qualification test is proposed to verify the basic robustness of its adhesion system. The details of the proposed test will be described, in addition to the preliminary results obtained using representative materials and components. The described discovery experiments examine moisture-cured silicone, foam tape, and hot-melt adhesives used in conjunction with PET or glass module "substrates." To be able to interpret the results, a set of material-level characterizations was performed, including thermogravimetric analysis, differential scanning calorimetry, and dynamic mechanical analysis. PV j-boxes were adhered to a substrate, loaded with a prescribed weight, and then placed inside an environmental chamber (at 85°C, 85% relative humidity). Some systems did not remain attached through the discovery experiments. Observed failure modes include delamination (at the j-box/adhesive or adhesive/substrate interface) and phase change/creep. The results are discussed in the context of the application requirements, in addition to the plan for the formal experiment supporting the proposed modification to the qualification test.

  10. Examination of a Junction-Box Adhesion Test for Use in Photovoltaic Module Qualification: Preprint

    SciTech Connect

    Miller, D. C.; Wohlgemuth, J. H.

    2012-08-01

    Engineering robust adhesion of the junction-box (j-box) is a hurdle typically encountered by photovoltaic (PV) module manufacturers during product development. There are historical incidences of adverse effects (e.g., fires) caused when the j-box/adhesive/module system has failed in the field. The addition of a weight to the j-box during the 'damp heat' IEC qualification test is proposed to verify the basic robustness of its adhesion system. The details of the proposed test will be described, in addition to the preliminary results obtained using representative materials and components. The described discovery experiments examine moisture-cured silicone, foam tape, and hot-melt adhesives used in conjunction with PET or glass module 'substrates.' To be able to interpret the results, a set of material-level characterizations was performed, including thermogravimetric analysis, differential scanning calorimetry, and dynamic mechanical analysis. PV j-boxes were adhered to a substrate, loaded with a prescribed weight, and then placed inside an environmental chamber (at 85C, 85% relative humidity). Some systems did not remain attached through the discovery experiments. Observed failure modes include delamination (at the j-box/adhesive or adhesive/substrate interface) and phase change/creep. The results are discussed in the context of the application requirements, in addition to the plan for the formal experiment supporting the proposed modification to the qualification test.

  11. Examination of a Junction-Box Adhesion Test for Use in Photovoltaic Module Qualification (Presentation)

    SciTech Connect

    Miller, D. C.; Wohlgemuth, J. H.

    2012-08-01

    Engineering robust adhesion of the junction-box (j-box) is a hurdle typically encountered by photovoltaic (PV) module manufacturers during product development. There are historical incidences of adverse effects (e.g., fires) caused when the j-box/adhesive/module system has failed in the field. The addition of a weight to the j-box during the 'damp heat' IEC qualification test is proposed to verify the basic robustness of its adhesion system. The details of the proposed test will be described, in addition to the preliminary results obtained using representative materials and components. The described discovery experiments examine moisture-cured silicone, foam tape, and hot-melt adhesives used in conjunction with PET or glass module 'substrates.' To be able to interpret the results, a set of material-level characterizations was performed, including thermogravimetric analysis, differential scanning calorimetry, and dynamic mechanical analysis. PV j-boxes were adhered to a substrate, loaded with a prescribed weight, and then placed inside an environmental chamber (at 85C, 85% relative humidity). Some systems did not remain attached through the discovery experiments. Observed failure modes include delamination (at the j-box/adhesive or adhesive/substrate interface) and phase change/creep. The results are discussed in the context of the application requirements, in addition to the plan for the formal experiment supporting the proposed modification to the qualification test.

  12. HYDROGEN RETENTION IN METAL WASTE BOXES

    SciTech Connect

    MARUSICH, R.M.

    2004-11-18

    The Hanford Waste Management Project Master Documented Safety Analysis (MDSA) (HNF-14741,2003) identifies derived safety controls to prevent or mitigate the risks of a single- container deflagration during operations requiring moving, venting or opening transuranic (TRU)-waste containers. The issue is whether these safety controls are necessary for operations involving TRU-waste boxes that are being retrieved from burial at the Hanford Site. This paper investigates the potential for a deflagration hazard within these boxes and whether safety controls identified for drum deflagration hazards should be applied to operations involving these boxes.

  13. Dismantling of alpha contaminated obsolete installations and glove boxes on the IRMM site in Geel (Belgium)

    SciTech Connect

    Cretskens, Pieter; Lenie, Koen; Melis, Gustaaf

    2007-07-01

    At the Institute for Reference Materials and Measurements (European commission, Joint Research Centre, IRMM) a dismantling campaign of obsolete installations and glove boxes has been carried out in 2005. There were various reasons for their removal. Some large installations did not meet modern safety standards, other installations were worn out and expected to cause a radioactive contamination risk in the future. The main goal was to create as less waste as possible by extensive contamination checks and by decontamination if necessary. For the glove boxes, decontamination was not possible. A controlled area was set up around the installation to be dismantled in order to prevent spreading of contamination from dust and dirt. This was only possible for the 'minor' contaminated installations. The dismantling campaign of the glove boxes was carried out by using tents of two types depending the contamination inside the glove boxes. The most common glove boxes were dismantled in a tent constructed with hard surfaced polycarbonate plates (ventilated cell). For glove boxes with higher contamination, the same principle was used but with a second 'glove box tent' inside (ventilated glove tent). The purpose of this project was to learn from the experience of this campaign which gave the ability to make estimates of future radioactive waste or classic waste that could be expected from dismantled installations. (authors)

  14. DEAD-Box Helicase Proteins Disrupt RNA Tertiary Structure Through Helix Capture

    PubMed Central

    Pan, Cynthia; Potratz, Jeffrey P.; Cannon, Brian; Simpson, Zachary B.; Ziehr, Jessica L.; Tijerina, Pilar; Russell, Rick

    2014-01-01

    DEAD-box helicase proteins accelerate folding and rearrangements of highly structured RNAs and RNA–protein complexes (RNPs) in many essential cellular processes. Although DEAD-box proteins have been shown to use ATP to unwind short RNA helices, it is not known how they disrupt RNA tertiary structure. Here, we use single molecule fluorescence to show that the DEAD-box protein CYT-19 disrupts tertiary structure in a group I intron using a helix capture mechanism. CYT-19 binds to a helix within the structured RNA only after the helix spontaneously loses its tertiary contacts, and then CYT-19 uses ATP to unwind the helix, liberating the product strands. Ded1, a multifunctional yeast DEAD-box protein, gives analogous results with small but reproducible differences that may reflect its in vivo roles. The requirement for spontaneous dynamics likely targets DEAD-box proteins toward less stable RNA structures, which are likely to experience greater dynamic fluctuations, and provides a satisfying explanation for previous correlations between RNA stability and CYT-19 unfolding efficiency. Biologically, the ability to sense RNA stability probably biases DEAD-box proteins to act preferentially on less stable misfolded structures and thereby to promote native folding while minimizing spurious interactions with stable, natively folded RNAs. In addition, this straightforward mechanism for RNA remodeling does not require any specific structural environment of the helicase core and is likely to be relevant for DEAD-box proteins that promote RNA rearrangements of RNP complexes including the spliceosome and ribosome. PMID:25350280

  15. Characteristics of wind power on Savonius rotor using a guide-box tunnel

    SciTech Connect

    Irabu, Kunio; Roy, Jitendro Nath

    2007-11-15

    This study investigates to improve and adjust the output power of Savonius rotor under various wind power and suggests the method of prevention the rotor from strong wind disaster. In this study, as the appropriate device to achieve the purpose of it, a guide-box tunnel is employed. The guide-box tunnel is like a rectangular box as wind passage in which a test rotor is included. The area ratio between the inlet and exit of it is variable to adjust the inlet mass flow rate or input power. At first, the experiment was conducted to find the adequate configuration which would provide the best relative performance. The present experiment, however, does not include the test to retain the guide-box tunnel from the strong wind. The experiments include the static torque test of the fixed rotor at any phase angle and the dynamic torque test at rotation of them. Consequently, it was found that the maximum rotor rotational speed was achieved in the range of the guide-box area ratio between 0.3 and 0.7 and the value of the output power coefficient of the rotor with guide-box tunnel of the area ratio 0.43 increases about 1.5 times with three blades and 1.23 times with two blades greater than that without guide-box tunnel, respectively. It seemed that the performance of Savonius rotor within the guide-box tunnel is comparable enough with other methods for augmentation and control of the output. (author)

  16. [Present views on boxing--Henner's legacy].

    PubMed

    Tichý, J

    1997-05-29

    Fifty years ago academician Henner formulated clearly the negative view of neurologists on boxing as practised in his time. It was his merit that a protective helmet was introduced, many of his demands concerning the regime after a KO and the importance of medical examinations were no yet adequately appreciated. At the opportunity of the 100th anniversary of Henner's birth and the fiftieth anniversary of the Clinic he founded in the premises of saint Catherine the author discusses contemporary views on boxing, the risk of repeated injuries for the development of encephalopathia pugilistica and their relationship to Alzheimer's disease. Contemporary boxing is a spectacle which is a continuation of historical fights of gladiators. If the main objective is to hurt the adversary, this activity does not deserve the name of "sport" Sport should promote and maintain physical and mental health which is not the case in professional boxing.

  17. Light Therapy Boxes for Seasonal Affective Disorder

    MedlinePlus

    Diseases and Conditions Seasonal affective disorder (SAD) Light therapy boxes can offer an effective treatment for seasonal affective disorder. Features such as light intensity, safety, cost and style are important considerations. ...

  18. EPA ExpoBox Toolbox Search

    EPA Pesticide Factsheets

    EPA ExpoBox is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant assessment data bases,

  19. EPA EcoBox Tools by Stressors

    EPA Pesticide Factsheets

    Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases

  20. EPA EcoBox Phases of ERA

    EPA Pesticide Factsheets

    Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases

  1. EPA EcoBox Tools by Effects

    EPA Pesticide Factsheets

    Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases

  2. EPA EcoBox Tools by Receptors

    EPA Pesticide Factsheets

    Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases

  3. Black Box Theatres: Cheyenne Mountain High School.

    ERIC Educational Resources Information Center

    Binder, Robert D.

    2002-01-01

    Describes the design of the academic arts building at Cheyenne Mountain High School in Colorado Springs, Colorado, including its black box theater, art classroom, computer graphics lab, gallery, video production area, and chorus classroom. (EV)

  4. A look inside the actuarial black box.

    PubMed

    Math, S E; Youngerman, H

    1992-12-01

    Hospital executives often rely on actuaries (and their "black boxes") to determine self-insurance program liabilities and funding contributions. Typically, the hospital supplies the actuary with a myriad of statistics, and eventually the hospital receives a liability estimate and recommended funding level. The mysterious actuarial calculations that occur in between data reporting and receipt of the actuary's report are akin to a black box--a complicated device whose internal mechanism is hidden from or mysterious to the user.

  5. BOX-DEATH HOLLOW ROADLESS AREA, UTAH.

    USGS Publications Warehouse

    Weir, Gordon W.; Lane, Michael

    1984-01-01

    Geologic mapping, geochemical sampling, and a search for prospects and mineralized rock in the Box-Death Hollow Roadless Area, Utah indicate that there is little promise for the occurrence of mineral or energy resources in the area. Additional exploratory drilling by industry seems warranted if wells elsewhere in the region find oil or gas in strata as yet untested in the Box-Death Hollow Roadless Area.

  6. ENERGY STAR Certified Set Top Boxes

    EPA Pesticide Factsheets

    Certified models meet all ENERGY STAR requirements as listed in the Version 3.0 ENERGY STAR Program Requirements for Set-top Boxes that are effective as of September 1, 2011 or the Version 4.1 ENERGY STAR Program Requirements for Set-top Boxes that are effective as of December 19, 2014. A detailed listing of key efficiency criteria are available at http://www.energystar.gov/index.cfm?fuseaction=find_a_product.showProductGroup&pgw_code=ST

  7. Glove box on vehicular instrument panel

    DOEpatents

    Atarashi, Kazuya

    1985-01-01

    A glove box for the upper surface of an automobile dashboard whereby it may be positioned close to the driver. The glove box lid is pivotally supported by arms extending down either side to swing forwardly for opening. A hook is pivotally support adjacent an arm and weighted to swing into engagement with the arm to prevent opening of the lid during abrupt deceleration. A toggle spring assists in maintaining the lid in either the open or closed position.

  8. BOX DIMENSIONS OF α-FRACTAL FUNCTIONS

    NASA Astrophysics Data System (ADS)

    Akhtar, Md. Nasim; Prasad, M. Guru Prem; Navascués, M. A.

    2016-08-01

    The box dimension of the graph of non-affine, continuous, nowhere differentiable function fα which is a fractal analogue of a continuous function f corresponding to a certain iterated function system (IFS), is investigated in the present paper. The estimates for box dimension of the graph of α-fractal function fα for equally spaced as well as arbitrary data sets are found.

  9. Autoantibodies to box A of high mobility group box 1 in systemic lupus erythematosus.

    PubMed

    Schaper, F; de Leeuw, K; Horst, G; Maas, F; Bootsma, H; Heeringa, P; Limburg, P C; Westra, J

    2017-02-28

    Autoantibodies to nuclear structures are a hallmark of systemic lupus erythematosus (SLE), including autoantibodies to nuclear protein high mobility group box 1 (HMGB1). HMGB1 consists of three separate domains: box A, box B and an acidic tail. Recombinant box A acts as a competitive antagonist for HMGB1 and might be an interesting treatment option in SLE. However, antibodies to box A might interfere. Therefore, levels of anti-box A were examined in SLE patients in association with disease activity and clinical parameters. Serum anti-box A was measured in 86 SLE patients and 44 age- and sex-matched healthy controls (HC). Serum samples of 28 patients with primary Sjögren's syndrome and 32 patients with rheumatoid arthritis were included as disease controls. Anti-HMGB1 and anti-box B levels were also measured by enzyme-linked immunosorbent assay during quiescent disease [SLE Disease Activity Index (SLEDAI) ≤ 4, n = 47] and active disease (SLEDAI ≥ 5, n = 39). Anti-box A levels in active SLE patients were higher compared to quiescent patients, and were increased significantly compared to HC and disease controls. Anti-box A levels correlated positively with SLEDAI and anti-dsDNA levels and negatively with complement C3 levels. Increased levels of anti-box A antibodies were present in the majority of patients with nephritic (73%) and non-nephritic exacerbations (71%). Antibodies to the box A domain of HMGB1 might be an interesting new biomarker, as these had a high specificity for SLE and were associated with disease activity. Longitudinal studies should be performed to evaluate whether these antibodies perform better in predicting an exacerbation, especially non-nephritic exacerbations.

  10. Minimum airflow reset of single-duct VAV terminal boxes

    NASA Astrophysics Data System (ADS)

    Cho, Young-Hum

    Single duct Variable Air Volume (VAV) systems are currently the most widely used type of HVAC system in the United States. When installing such a system, it is critical to determine the minimum airflow set point of the terminal box, as an optimally selected set point will improve the level of thermal comfort and indoor air quality (IAQ) while at the same time lower overall energy costs. In principle, this minimum rate should be calculated according to the minimum ventilation requirement based on ASHRAE standard 62.1 and maximum heating load of the zone. Several factors must be carefully considered when calculating this minimum rate. Terminal boxes with conventional control sequences may result in occupant discomfort and energy waste. If the minimum rate of airflow is set too high, the AHUs will consume excess fan power, and the terminal boxes may cause significant simultaneous room heating and cooling. At the same time, a rate that is too low will result in poor air circulation and indoor air quality in the air-conditioned space. Currently, many scholars are investigating how to change the algorithm of the advanced VAV terminal box controller without retrofitting. Some of these controllers have been found to effectively improve thermal comfort, indoor air quality, and energy efficiency. However, minimum airflow set points have not yet been identified, nor has controller performance been verified in confirmed studies. In this study, control algorithms were developed that automatically identify and reset terminal box minimum airflow set points, thereby improving indoor air quality and thermal comfort levels, and reducing the overall rate of energy consumption. A theoretical analysis of the optimal minimum airflow and discharge air temperature was performed to identify the potential energy benefits of resetting the terminal box minimum airflow set points. Applicable control algorithms for calculating the ideal values for the minimum airflow reset were developed and

  11. Assimilating Ferry Box data into the Aegean Sea model

    NASA Astrophysics Data System (ADS)

    Korres, G.; Ntoumas, M.; Potiris, M.; Petihakis, G.

    2014-12-01

    Operational monitoring and forecasting of marine environmental conditions is a necessary tool for the effective management and protection of the marine ecosystem. It requires the use of multi-variable real-time measurements combined with advanced physical and ecological numerical models. Towards this, a FerryBox system was originally installed and operated in the route Piraeus-Heraklion in 2003 for one year. Early 2012 the system was upgraded and moved to a new high-speed ferry traveling daily in the same route as before. This route is by large traversing the Cretan Sea being the largest and deepest basin (2500 m) in the south Aegean Sea. The HCMR Ferry Box is today the only one in the Mediterranean and thus it can be considered as a pilot case. The analysis of FerryBox SST and SSS in situ data revealed the presence of important regional and sub-basin scale physical phenomena, such as wind-driven coastal upwelling and the presence of a mesoscale cyclone to the north of Crete. In order to assess the impact of the FerryBox SST data in constraining the Aegean Sea hydrodynamic model which is part of the POSEIDON forecasting system, the in situ data were assimilated using an advanced multivariate assimilation scheme based on the Singular Evolutive Extended Kalman (SEEK) filter, a simplified square-root extended Kalman filter that operates with low-rank error covariance matrices as a way to reduce the computational burden. Thus during the period mid-August 2012-mid January 2013 in addition to the standard assimilating parameters, daily SST data along the ferryboat route from Piraeus to Heraklion were assimilated into the model. Inter-comparisons between the control run of the system (model run that uses only the standard data set of observations) and the experiment where the observational data set is augmented with the FerryBox SST data produce interesting results. Apart from the improvement of the SST error, the additional assimilation of daily of FerryBox SST

  12. Amateur boxing: physical and physiological attributes.

    PubMed

    Chaabène, Helmi; Tabben, Montassar; Mkaouer, Bessem; Franchini, Emerson; Negra, Yassine; Hammami, Mehrez; Amara, Samiha; Chaabène, Raja Bouguezzi; Hachana, Younés

    2015-03-01

    Boxing is one of the oldest combat sports. The aim of the current review is to critically analyze the amateur boxer's physical and physiological characteristics and to provide practical recommendations for training as well as new areas of scientific research. High-level male and female boxers show a propensity for low body fat levels. Although studies on boxer somatotypes are limited, the available information shows that elite-level male boxers are characterized by a higher proportion of mesomorphy with a well-developed muscle mass and a low body fat level. To help support the overall metabolic demands of a boxing match and to accelerate the recovery process between rounds, athletes of both sexes require a high level of cardiorespiratory fitness. International boxers show a high peak and mean anaerobic power output. Muscle strength in both the upper and lower limbs is paramount for a fighter's victory and is one of the keys to success in boxing. As boxing punches are brief actions and very dynamic, high-level boxing performance requires well-developed muscle power in both the upper and lower limbs. Albeit limited, the available studies reveal that isometric strength is linked to high-level boxing performance. Future investigations into the physical and physiological attributes of boxers are required to enrich the current data set and to help create a suitable training program.

  13. HYDROGEN AND VOC RETENTION IN WASTE BOXES

    SciTech Connect

    PACE ME; MARUSICH RM

    2008-11-21

    The Hanford Waste Management Project Master Documented Safety Analysis (MDSA) (HNF-14741, 2003) identifies derived safety controls to prevent or mitigate the risks of a single-container deflagration during operations requiring moving, venting or opening transuranic (TRU)-waste containers. The issue is whether these safety controls are necessary for operations involving TRU-waste boxes that are being retrieved from burial at the Hanford Site. This paper investigates the potential for a deflagration hazard within these boxes and whether safety controls identified for drum deflagration hazards should be applied to operations involving these boxes. The study evaluates the accumulation of hydrogen and VOCs within the waste box and the transport of these gases and vapors out of the waste box. To perform the analysis, there were numerous and major assumptions made regarding the generation rate and the transport pathway dimensions and their number. Since there is little actual data with regards to these assumptions, analyses of three potential configurations were performed to obtain some indication of the bounds of the issue (the concentration of hydrogen or flammable VOCs within a waste box). A brief description of each of the three cases along with the results of the analysis is summarized.

  14. Box-Cox transformation for QTL mapping.

    PubMed

    Yang, Runqing; Yi, Nengjun; Xu, Shizhong

    2006-01-01

    The maximum likelihood method of QTL mapping assumes that the phenotypic values of a quantitative trait follow a normal distribution. If the assumption is violated, some forms of transformation should be taken to make the assumption approximately true. The Box-Cox transformation is a general transformation method which can be applied to many different types of data. The flexibility of the Box-Cox transformation is due to a variable, called transformation factor, appearing in the Box-Cox formula. We developed a maximum likelihood method that treats the transformation factor as an unknown parameter, which is estimated from the data simultaneously along with the QTL parameters. The method makes an objective choice of data transformation and thus can be applied to QTL analysis for many different types of data. Simulation studies show that (1) Box-Cox transformation can substantially increase the power of QTL detection; (2) Box-Cox transformation can replace some specialized transformation methods that are commonly used in QTL mapping; and (3) applying the Box-Cox transformation to data already normally distributed does not harm the result.

  15. Yeast TATA-box transcription factor gene.

    PubMed

    Schmidt, M C; Kao, C C; Pei, R; Berk, A J

    1989-10-01

    The first step in the transcription of most protein-encoding genes in eukaryotes is the binding of a transcription factor to the TATA-box promoter element. This TATA-box transcription factor was purified from extracts of the yeast Saccharomyces cerevisiae by using reconstitution of in vitro transcription reactions as an assay. The activity copurified with a protein whose sodium dodecyl sulfate/polyacrylamide gel mobility is 25 kDa. The sequence of the amino-terminal 21 residues of this protein was determined by sequential Edman degradation. A yeast genomic library was screened with mixed oligonucleotides encoding six residues of the protein sequence. The yeast TATA-box factor gene was cloned, and DNA sequencing revealed a 720-base-pair open reading frame encoding a 27,016-Da protein. The identity of the clone was confirmed by expressing the gene in Escherichia coli and detecting TATA-box factor DNA binding and transcriptional activities in extracts of the recombinant E. coli. The TATA-box factor gene was mapped to chromosome five of S. cerevisiae. RNA blot hybridization and nuclease S1 analysis indicated that the major TATA-box factor mRNA is 1.3 kilobases, including an unusually long 5' untranslated region of 188 +/- 5 nucleotides. Homology searches showed a region of distant similarity to the calcium-binding structures of calpains, a structure that has a conformation similar to the helix-turn-helix motif of DNA binding proteins.

  16. A Push-pull Protocol to Reduce Colonization of Bird Nest Boxes by Honey Bees.

    PubMed

    Efstathion, Caroline A; Kern, William H

    2016-09-04

    Introduction of the invasive Africanized honey bee (AHB) into the Neotropics is a serious problem for many cavity nesting birds, specifically parrots. These bees select cavities that are suitable nest sites for birds, resulting in competition. The difficulty of removing bees and their defensive behavior makes a prevention protocol necessary. Here, we describe a push-pull integrated pest management protocol to deter bees from inhabiting bird boxes by applying a bird safe insecticide, permethrin, to repel bees from nest boxes, while simultaneously attracting them to pheromone-baited swarm traps. Shown here is an example experiment using Barn Owl nest boxes. This protocol successfully reduced colonization of Barn Owl nest boxes by Africanized honey bees. This protocol is flexible, allowing adjustments to accommodate a wide range of bird species and habitats. This protocol could benefit conservation efforts where AHB are located.

  17. New formulation of gamma-Z box corrections to the weak charge of the proton

    SciTech Connect

    P. G. Blunden, W. Melnitchouk, A. W. Thomas

    2011-08-01

    We present a new formulation of one of the major radiative corrections to the weak charge of the proton, that arising from the axial-vector hadron part of the gamma-Z box diagram, ReBox_{gamma-Z}^A. This formulation, based on dispersion relations, relates the gamma-Z contributions with inelastic intermediate states to moments of gamma-Z structure functions. It has a very clear connection to the pioneering work of Marciano and Sirlin, and enables a systematic approach to improved numerical precision. Using the best data currently available, we evaluate the total correction from all intermediate states to be ReBox_{gamma-Z}^A = 0.0055(4) at zero energy and ReBox_{gamma-Z}^A = 0.0045(4) at the kinematics of the Q-weak experiment.

  18. DSMC simulations of vapor transport toward development of the lithium vapor box divertor concept

    NASA Astrophysics Data System (ADS)

    Jagoe, Christopher; Schwartz, Jacob; Goldston, Robert

    2016-10-01

    The lithium vapor divertor box concept attempts to achieve volumetric dissipation of the high heat efflux from a fusion power system. The vapor extracts the heat of the incoming plasma by ionization and radiation, while remaining localized in the vapor box due to differential pumping based on rapid condensation. Preliminary calculations with lithium vapor at densities appropriate for an NSTX-U-scale machine give Knudsen numbers between 0.01 and 1, outside both the range of continuum fluid dynamics and of collisionless Monte Carlo. The direct-simulation Monte Carlo (DSMC) method, however, can simulate rarefied gas flows in this regime. Using the solver contained in the OpenFOAM package, pressure-driven flows of water vapor will be analyzed. The use of water vapor in the relevant range of Knudsen number allows for a flexible similarity experiment to verify the reliability of the code before moving to tests with lithium. The simulation geometry consists of chains of boxes on a temperature gradient, connected by slots with widths that are a representative fraction of the dimensions of the box. We expect choked flow, sonic shocks, and order-of-magnitude pressure and density drops from box to box, but this expectation will be tested in the simulation and then experiment. This work is supported by the Princeton Environmental Institute.

  19. Adobe Boxes: Locating Object Proposals Using Object Adobes.

    PubMed

    Fang, Zhiwen; Cao, Zhiguo; Xiao, Yang; Zhu, Lei; Yuan, Junsong

    2016-09-01

    Despite the previous efforts of object proposals, the detection rates of the existing approaches are still not satisfactory enough. To address this, we propose Adobe Boxes to efficiently locate the potential objects with fewer proposals, in terms of searching the object adobes that are the salient object parts easy to be perceived. Because of the visual difference between the object and its surroundings, an object adobe obtained from the local region has a high probability to be a part of an object, which is capable of depicting the locative information of the proto-object. Our approach comprises of three main procedures. First, the coarse object proposals are acquired by employing randomly sampled windows. Then, based on local-contrast analysis, the object adobes are identified within the enlarged bounding boxes that correspond to the coarse proposals. The final object proposals are obtained by converging the bounding boxes to tightly surround the object adobes. Meanwhile, our object adobes can also refine the detection rate of most state-of-the-art methods as a refinement approach. The extensive experiments on four challenging datasets (PASCAL VOC2007, VOC2010, VOC2012, and ILSVRC2014) demonstrate that the detection rate of our approach generally outperforms the state-of-the-art methods, especially with relatively small number of proposals. The average time consumed on one image is about 48 ms, which nearly meets the real-time requirement.

  20. The development of a reliable amateur boxing performance analysis template.

    PubMed

    Thomson, Edward; Lamb, Kevin; Nicholas, Ceri

    2013-01-01

    The aim of this study was to devise a valid performance analysis system for the assessment of the movement characteristics associated with competitive amateur boxing and assess its reliability using analysts of varying experience of the sport and performance analysis. Key performance indicators to characterise the demands of an amateur contest (offensive, defensive and feinting) were developed and notated using a computerised notational analysis system. Data were subjected to intra- and inter-observer reliability assessment using median sign tests and calculating the proportion of agreement within predetermined limits of error. For all performance indicators, intra-observer reliability revealed non-significant differences between observations (P > 0.05) and high agreement was established (80-100%) regardless of whether exact or the reference value of ±1 was applied. Inter-observer reliability was less impressive for both analysts (amateur boxer and experienced analyst), with the proportion of agreement ranging from 33-100%. Nonetheless, there was no systematic bias between observations for any indicator (P > 0.05), and the proportion of agreement within the reference range (±1) was 100%. A reliable performance analysis template has been developed for the assessment of amateur boxing performance and is available for use by researchers, coaches and athletes to classify and quantify the movement characteristics of amateur boxing.

  1. 31 CFR 500.326 - Custody of safe deposit boxes.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 31 Money and Finance: Treasury 3 2010-07-01 2010-07-01 false Custody of safe deposit boxes. 500... Definitions § 500.326 Custody of safe deposit boxes. Safe deposit boxes shall be deemed to be in the custody not only of all persons having access thereto but also of the lessors of such boxes whether or...

  2. 46 CFR 78.47-10 - Manual alarm boxes.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 46 Shipping 3 2010-10-01 2010-10-01 false Manual alarm boxes. 78.47-10 Section 78.47-10 Shipping... and Emergency Equipment, Etc. § 78.47-10 Manual alarm boxes. (a) In all new installations, manual alarm boxes shall be clearly and permanently marked “IN CASE OF FIRE BREAK GLASS.” Existing boxes not...

  3. 48 CFR 908.7118 - Rental of post office boxes.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... boxes. 908.7118 Section 908.7118 Federal Acquisition Regulations System DEPARTMENT OF ENERGY COMPETITION... post office boxes. DOE offices and authorized contractors may rent post office boxes on an annual basis... the whole period or at the beginning of each quarter in which the box is to be used....

  4. 31 CFR 515.326 - Custody of safe deposit boxes.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 31 Money and Finance: Treasury 3 2010-07-01 2010-07-01 false Custody of safe deposit boxes. 515... Definitions § 515.326 Custody of safe deposit boxes. Safe deposit boxes shall be deemed to be in the custody not only of all persons having access thereto but also of the lessors of such boxes whether or...

  5. Experimental Determination of Unknown Masses and Their Positions in a Mechanical Black Box

    ERIC Educational Resources Information Center

    Chakrabarti, Bhupati; Pathare, Shirish; Huli, Saurabhee; Nachane, Madhura

    2013-01-01

    An experiment with a mechanical black box containing unknown masses is presented. The experiment involves the determination of these masses and their locations by performing some nondestructive tests. The set-ups are inexpensive and easy to fabricate. They are very useful to gain an understanding of some well-known principles of mechanics.

  6. Experimental Determination of Unknown Masses and Their Positions in a Mechanical Black Box

    ERIC Educational Resources Information Center

    Chakrabarti, Bhupati; Pathare, Shirish; Huli, Saurabhee; Nachane, Madhura

    2013-01-01

    An experiment with a mechanical black box containing unknown masses is presented. The experiment involves the determination of these masses and their locations by performing some nondestructive tests. The set-ups are inexpensive and easy to fabricate. They are very useful to gain an understanding of some well-known principles of mechanics.

  7. Evaluation of Pre-marketing Factors to Predict Post-marketing Boxed Warnings and Safety Withdrawals.

    PubMed

    Schick, Andreas; Miller, Kathleen L; Lanthier, Michael; Dal Pan, Gerald; Nardinelli, Clark

    2017-06-01

    An important goal in drug regulation is understanding serious safety issues with new drugs as soon as possible. Achieving this goal requires us to understand whether information provided during the Food and Drug Administration (FDA) drug review can predict serious safety issues that are usually identified after the product is approved. However, research on this topic remains understudied. In this paper, we examine whether any pre-marketing drug characteristics are associated with serious post-marketing safety actions. We study this question using an internal FDA database containing every new small molecule drug submitted to the FDA's Center for Drug Evaluation and Research (CDER) on or after November 21, 1997, and approved and commercially launched before December 31, 2009. Serious post-marketing safety actions include whether these drugs ever experienced either a post-marketing boxed warning or a withdrawal from the market due to safety concerns. A random effects logistic regression model was used to test whether any pre-marketing characteristics were associated with either post-marketing safety action. A total of 219 new molecular entities were analyzed. Among these drugs, 11 experienced a safety withdrawal and 30 received boxed warnings by July 31, 2016. Contrary to prevailing hypotheses, we find that neither clinical trial sample sizes nor review time windows are associated with the addition of a post-marketing boxed warning or safety withdrawal. However, we do find that new drugs approved with either a boxed warning or priority review are more likely to experience post-marketing boxed warnings. Furthermore, drugs approved with boxed warnings tend to receive post-marketing boxed warnings resulting from new safety information that are unrelated to the original warning. Drugs approved with a boxed warning are 3.88 times more likely to receive a post-marketing boxed warning, while drugs approved with a priority review are 3.51 times more likely to receive a post

  8. Slat Heater Boxes for Thermal Vacuum Testing

    NASA Technical Reports Server (NTRS)

    Ungar, Eugene

    2003-01-01

    Slat heater boxes have been invented for controlling the sink temperatures of objects under test in a thermal vacuum chamber, the walls of which are cooled to the temperature of liquid nitrogen. A slat heater box (see Figure 1) includes a framework of struts that support electrically heated slats that are coated with a high-emissivity optically gray paint. The slats can be grouped together into heater zones for the purpose of maintaining an even temperature within each side. The sink temperature of an object under test is defined as the steady-state temperature of the object in the vacuum/ radiative environment during the absence of any internal heat source or sink. The slat heater box makes it possible to closely control the radiation environment to obtain a desired sink temperature. The slat heater box is placed inside the cold thermal vacuum chamber, and the object under test is placed inside (but not in contact with) the slat heater box. The slat heaters occupy about a third of the field of view from any point on the surface of the object under test, the remainder of the field of view being occupied by the cold chamber wall. Thus, the radiation environment is established by the combined effects of the slat heater box and the cold chamber wall. Given (1) the temperature of the chamber wall, (2) the fractions of the field of view occupied by the chamber wall and the slat heater box, and (3) the emissivities of the slats, chamber wall, and the surface of object under test, the slat temperature required to maintain a desired sink temperature can be calculated by solving the equations of gray-body radiation for the steady-state adiabatic case (equal absorption and emission by the object under test). Slat heater boxes offer an important advantage over the infrared lamps that have been previously used to obtain desired sink temperatures: In comparison with an infrared lamp, a slat heater box provides a greater degree of sink temperature uniformity for a test

  9. Solar box cookers and geothermal energy

    SciTech Connect

    Not Available

    1988-12-01

    A major amount of world-wide forest depletion is caused by harvesting cooking wood. Solar box cookers can help to ameliorate this situation in that they use solar energy instead of wood to cook food. Usable year-round in the tropics and for 6 to 8 months of the year in most sunny areas of the world, the cookers can cook almost anything if there is 15 minutes of sunshine every hour. Developed in 1976 solar box cookers represent a major advance over early solar cookers. Solar box cookers are about the size of an ice chest, easily constructed by the users themselves and inexpensive. The cookers are made of cardboard or wood, and aluminum foil. Each box is topped with a sheet of glass above which an adjustable reflective lid is positioned to angle in sunlight. The food cooks in covered, dark-colored pans. One cooker can cook 10-15 pounds of food in three to five hours. Fruits, vegetables, meats, and any baked goods can be prepared, and water and milk pasteurized in them. The coking food does not have to be stirred and will not burn. The developer is also looking for ways the geothermal community could interface with solar box cookers.

  10. BMI Sandwich Wing Box Analysis and Test

    NASA Technical Reports Server (NTRS)

    Palm, Tod; Mahler, Mary; Shah, Chandu; Rouse, Marshall; Bush, Harold; Wu, Chauncey; Small, William J.

    2000-01-01

    A composite sandwich single bay wing box test article was developed by Northrop Grumman and tested recently at NASA Langley Research Center. The objectives for the wing box development effort were to provide a demonstration article for manufacturing scale up of structural concepts related to a high speed transport wing, and to validate the structural performance of the design. The box concept consisted of highly loaded composite sandwich wing skins, with moderately loaded composite sandwich spars. The dimensions of the box were chosen to represent a single bay of the main wing box, with a spar spacing of 30 inches, height of 20 inches constant depth, and length of 64 inches. The bismaleimide facesheet laminates and titanium honeycomb core chosen for this task are high temperature materials able to sustain a 300F service temperature. The completed test article is shown in Figure 1. The tests at NASA Langley demonstrated the structures ability to sustain axial tension and compression loads in excess of 20,000 lb/in, and to maintain integrity in the thermal environment. Test procedures, analysis failure predictions, and test results are presented.

  11. Pharmacy Students’ Knowledge of Black Box Warnings

    PubMed Central

    Shireman, Theresa I.; Generali, Joyce; Rigler, Sally; Mayorga, Angela

    2010-01-01

    Objective To evaluate the progression of pharmacy students’ knowledge of black box warnings across 3 years of didactic training, and to determine how they stay current with new warnings. Methods A cross-sectional survey instrument was administered to pharmacy students in their first (P1), second (P2), and third (P3) professional years. The survey assessed student awareness of medications possessing a black box warning and familiarity with the warning content for 20 medications (15 with and 5 without warnings). Results Mean number of correct responses identifying the presence or absence of a black box warning among the 20 medications were 5.8 ± 3.3, 9.6 ± 4.0, and 14.8 ± 2.8 for the P1, P2, and P3 students, respectively. Knowledge of black box warning content was variable. Students were least aware of the warning content for stavudine and enoxaparin. Students were most familiar with the warning content for paroxetine and estrogen. Conclusion Students’ awareness and understanding of black box warnings was proportional to their educational progression, but their knowledge level was inconsistent across drug groups. PMID:20221356

  12. Pharmacy students' knowledge of black box warnings.

    PubMed

    Moeller, Karen E; Shireman, Theresa I; Generali, Joyce; Rigler, Sally; Mayorga, Angela

    2010-02-10

    To evaluate the progression of pharmacy students' knowledge of black box warnings across 3 years of didactic training, and to determine how they stay current with new warnings. A cross-sectional survey instrument was administered to pharmacy students in their first (P1), second (P2), and third (P3) professional years. The survey assessed student awareness of medications possessing a black box warning and familiarity with the warning content for 20 medications (15 with and 5 without warnings). Mean number of correct responses identifying the presence or absence of a black box warning among the 20 medications were 5.8 +/- 3.3, 9.6 +/- 4.0, and 14.8 +/- 2.8 for the P1, P2, and P3 students, respectively. Knowledge of black box warning content was variable. Students were least aware of the warning content for stavudine and enoxaparin. Students were most familiar with the warning content for paroxetine and estrogen. Students' awareness and understanding of black box warnings was proportional to their educational progression, but their knowledge level was inconsistent across drug groups.

  13. Black box multigrid solver for definite and indefinite problems

    SciTech Connect

    Shapira, Yair

    1997-02-01

    A two-level analysis method for certain separable problems is introduced. It motivates the definition of improved versions of Black Box Multigrid for diffusion problems with discontinuous coefficients and indefinite Helmholtz equations. For anisotropic problems, it helps in choosing suitable implementations for frequency decomposition multigrid methods. For highly indefinite problems, it provides a way to choose in advance a suitable mesh size for the coarsest grid used. Numerical experiments confirm the analysis and show the advantage of the present methods for several examples.

  14. Substituting Virtual Reality Trainers for Inanimate Box Trainers Does Not Decrease Laparoscopic Skills Acquisition

    PubMed Central

    Frantzides, Constantine T.

    2007-01-01

    Objectives: Inanimate and virtual reality box training help in developing basic laparoscopic skills. The lack of tactile feedback and lack of reality may be a detriment when training with virtual reality trainers. This study examined the hypothesis that there is no difference in laparoscopic skills acquisition when virtual reality trainers are partially substituted for inanimate box trainers. Methods: Medical students without laparoscopic experience were randomized into either Group A or Group B. Group A performed tasks on the LTS 2000 (an inanimate box trainer) alone for 10 sessions. Group B performed tasks on the box trainer as well as on the MIST-VR (a virtual reality trainer) for 10 sessions. Scores for 5 inanimate box trainer exercises (time and errors) for the first and tenth sessions were compared between both groups. Results: No statistical differences were seen in any exercises in the first session between Group A (n=14) and Group B (n=18) in either time or errors (P=NS for all comparisons). Mean times decreased in both groups from the first session to the last session. At the last session, again both groups demonstrated no differences in any of the exercises (P=NS for all comparisons). Conclusions: No difference was found in laparoscopic skills acquisition when incorporating virtual reality trainers into a curriculum based on inanimate box trainers. Ideally, laparoscopic training laboratories should include both virtual reality and inanimate trainers. PMID:17651563

  15. Substituting virtual reality trainers for inanimate box trainers does not decrease laparoscopic skills acquisition.

    PubMed

    Madan, Atul K; Frantzides, Constantine T

    2007-01-01

    Inanimate and virtual reality box training help in developing basic laparoscopic skills. The lack of tactile feedback and lack of reality may be a detriment when training with virtual reality trainers. This study examined the hypothesis that there is no difference in laparoscopic skills acquisition when virtual reality trainers are partially substituted for inanimate box trainers. Medical students without laparoscopic experience were randomized into either Group A or Group B. Group A performed tasks on the LTS 2000 (an inanimate box trainer) alone for 10 sessions. Group B performed tasks on the box trainer as well as on the MIST-VR (a virtual reality trainer) for 10 sessions. Scores for 5 inanimate box trainer exercises (time and errors) for the first and tenth sessions were compared between both groups. No statistical differences were seen in any exercises in the first session between Group A (n=14) and Group B (n=18) in either time or errors (P=NS for all comparisons). Mean times decreased in both groups from the first session to the last session. At the last session, again both groups demonstrated no differences in any of the exercises (P=NS for all comparisons). No difference was found in laparoscopic skills acquisition when incorporating virtual reality trainers into a curriculum based on inanimate box trainers. Ideally, laparoscopic training laboratories should include both virtual reality and inanimate trainers.

  16. Advances in the theory of box integrals

    SciTech Connect

    Bailey, David H.; Borwein, J.M.; Crandall, R.E.

    2009-06-25

    Box integrals - expectations <|{rvec r}|{sup s}> or <|{rvec r}-{rvec q}|{sup s}> over the unit n-cube (or n-box) - have over three decades been occasionally given closed forms for isolated n,s. By employing experimental mathematics together with a new, global analytic strategy, we prove that for n {le} 4 dimensions the box integrals are for any integer s hypergeometrically closed in a sense we clarify herein. For n = 5 dimensions, we show that a single unresolved integral we call K{sub 5} stands in the way of such hyperclosure proofs. We supply a compendium of exemplary closed forms that naturally arise algorithmically from this theory.

  17. Promotion of solar box cooker technology

    SciTech Connect

    Stibravy, R.

    1992-09-01

    Over 1.5 billion people are affected by fuel wood shortage, according to the UN Food and Agricultural Organization. Meanwhile solar cookers are under-exploited. The author presents one version of this technology and discusses how it may be promoted world-wide. The increased use of non fossil fuel energy is essential world-wide in combating global warming trends, preserving the environment, conserving resources and achieving sustainable development. The Solar Box Cooker (SBC) - a box within a box - uses an easily available source of such energy that is also renewable (in contrast to energy that, once used, is not, such as oil, coal, gas, wood). It is also readily available for the developing world, and for much of the developed world too.

  18. Nearly Seamless Vacuum-Insulated Boxes

    NASA Technical Reports Server (NTRS)

    Stepanian, Christopher J.; Ou, Danny; Hu, Xiangjun

    2010-01-01

    A design concept, and a fabrication process that would implement the design concept, have been proposed for nearly seamless vacuum-insulated boxes that could be the main structural components of a variety of controlled-temperature containers, including common household refrigerators and insulating containers for shipping foods. In a typical case, a vacuum-insulated box would be shaped like a rectangular parallelepiped conventional refrigerator box having five fully closed sides and a hinged door on the sixth side. Although it is possible to construct the five-closed-side portion of the box as an assembly of five unitary vacuum-insulated panels, it is not desirable to do so because the relatively high thermal conductances of the seams between the panels would contribute significant amounts of heat leakage, relative to the leakage through the panels themselves. In contrast, the proposal would make it possible to reduce heat leakage by constructing the five-closed-side portion of the box plus the stationary portion (if any) of the sixth side as a single, seamless unit; the only remaining seam would be the edge seal around the door. The basic cross-sectional configuration of each side of a vacuum-insulated box according to the proposal would be that of a conventional vacuum-insulated panel: a low-density, porous core material filling a partially evacuated space between face sheets. However, neither the face sheets nor the core would be conventional. The face sheets would be opposite sides of a vacuum bag. The core material would be a flexible polymer-modified silica aerogel of the type described in Silica/Polymer and Silica/Polymer/Fiber Composite Aero - gels (MSC-23736) in this issue of NASA Tech Briefs. As noted in that article, the stiffness of this core material against compression is greater than that of prior aerogels. This is an important advantage because it translates to greater retention of thickness and, hence, of insulation performance when pressure is

  19. Helical fold prediction for the cyclin box.

    PubMed

    Bazan, J F

    1996-01-01

    The smooth progression of the eukaryotic cell cycle relies on the periodic activation of members of a family of cell cycle kinases by regulatory proteins called cyclins. Outside of the cell cycle, cyclin homologs play important roles in regulating the assembly of transcription complexes; distant structural relatives of the conserved cyclin core or "box" can also function as general transcription factors (like TFIIB) or survive embedded in the chain of the tumor suppressor, retinoblastoma protein. The present work attempts the prediction of the canonical secondary, supersecondary, and tertiary fold of the minimal cyclin box domain using a combination of techniques that make use of the evolutionary information captured in a multiple alignment of homolog sequences. A tandem set of closely packed, helical modules are predicted to form the cyclin box domain.

  20. Notes on Experiments.

    ERIC Educational Resources Information Center

    Physics Education, 1988

    1988-01-01

    Describes four physics experiments including "Investigation of Box Resonances Using a Micro"; "A Direct Reading Wattmeter, DC or AC"; "Exercises in the Application of Ohm's Law"; and "Hysteresis on Gas Discharges." Discusses procedures, instrumentation, and analysis in each example. (CW)

  1. Notes on Experiments.

    ERIC Educational Resources Information Center

    Physics Education, 1988

    1988-01-01

    Describes four physics experiments including "Investigation of Box Resonances Using a Micro"; "A Direct Reading Wattmeter, DC or AC"; "Exercises in the Application of Ohm's Law"; and "Hysteresis on Gas Discharges." Discusses procedures, instrumentation, and analysis in each example. (CW)

  2. CASAS: A Smart Home in a Box.

    PubMed

    Cook, Diane J; Crandall, Aaron S; Thomas, Brian L; Krishnan, Narayanan C

    2013-07-01

    While the potential benefits of smart home technology are widely recognized, a lightweight design is needed for the benefits to be realized at a large scale. We introduce the CASAS "smart home in a box", a lightweight smart home design that is easy to install and provides smart home capabilities out of the box with no customization or training. We discuss types of data analysis that have been performed by the CASAS group and can be pursued in the future by using this approach to designing and implementing smart home technologies.

  3. FRAC-IN-THE-BOX utilization

    SciTech Connect

    Collins, D.G.; West, J.T.

    1989-06-01

    FRAC-IN-THE-BOX is a computer code developed to calculate the fractions of rectangular parallelepiped mesh cell volumes that are intersected by combinatorial geometry type zones. The geometry description used in the code is a subset of the combinatorial geometry used in SABRINA. The input file may be read into SABRINA and three dimensional plots made of the input geometry. The volume fractions for those portions of the geometry that are too complicated to describe with the geometry routines provided in FRAC-IN-THE-BOX may be calculated in SABRINA and merged with the volume fractions computed for the remainder of the geometry. 21 figs., 1 tab.

  4. Argon purge gas cooled by chill box

    NASA Technical Reports Server (NTRS)

    Spiro, L. W.

    1966-01-01

    Cooling argon purge gas by routing it through a shop-fabricated chill box reduces charring of tungsten inert gas torch head components. The argon gas is in a cooled state as it enters the torch and prevents buildup of char caused by the high concentrations of heat in the weld area during welding operations.

  5. 30 CFR 56.12006 - Distribution boxes.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 30 Mineral Resources 1 2014-07-01 2014-07-01 false Distribution boxes. 56.12006 Section 56.12006 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-SURFACE METAL AND NONMETAL MINES Electricity §...

  6. 30 CFR 57.12006 - Distribution boxes.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 30 Mineral Resources 1 2014-07-01 2014-07-01 false Distribution boxes. 57.12006 Section 57.12006 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-UNDERGROUND METAL AND NONMETAL MINES Electricity...

  7. 30 CFR 57.12006 - Distribution boxes.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 30 Mineral Resources 1 2012-07-01 2012-07-01 false Distribution boxes. 57.12006 Section 57.12006 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-UNDERGROUND METAL AND NONMETAL MINES Electricity...

  8. 30 CFR 56.12006 - Distribution boxes.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 30 Mineral Resources 1 2012-07-01 2012-07-01 false Distribution boxes. 56.12006 Section 56.12006 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-SURFACE METAL AND NONMETAL MINES Electricity §...

  9. 30 CFR 56.12006 - Distribution boxes.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Distribution boxes. 56.12006 Section 56.12006 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-SURFACE METAL AND NONMETAL MINES Electricity §...

  10. 30 CFR 56.12006 - Distribution boxes.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 30 Mineral Resources 1 2011-07-01 2011-07-01 false Distribution boxes. 56.12006 Section 56.12006 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-SURFACE METAL AND NONMETAL MINES Electricity §...

  11. 30 CFR 56.12006 - Distribution boxes.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 30 Mineral Resources 1 2013-07-01 2013-07-01 false Distribution boxes. 56.12006 Section 56.12006 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-SURFACE METAL AND NONMETAL MINES Electricity §...

  12. Quantum Nonlocal Boxes Exhibit Stronger Distillability

    NASA Astrophysics Data System (ADS)

    Høyer, Peter; Rashid, Jibran

    2013-06-01

    The hypothetical nonlocal box (NLB) proposed by Popescu and Rohrlich allows two spatially separated parties, Alice and Bob, to exhibit stronger than quantum correlations. If the generated correlations are weak, they can sometimes be distilled into a stronger correlation by repeated applications of the NLB. Motivated by the limited distillability of NLBs, we initiate here a study of the distillation of correlations for nonlocal boxes that output quantum states rather than classical bits (qNLBs). We propose a new protocol for distillation and show that it asymptotically distills a class of correlated quantum nonlocal boxes to the value (1)/(2)(3√ {3}+1) ≈ 3.098076, whereas in contrast, the optimal non-adaptive parity protocol for classical nonlocal boxes asymptotically distills only to the value 3.0. We show that our protocol is an optimal non-adaptive protocol for 1, 2 and 3 qNLB copies by constructing a matching dual solution for the associated primal semidefinite program (SDP). We conclude that qNLBs are a stronger resource for nonlocality than NLBs. The main premise that develops from this conclusion is that the NLB model is not the strongest resource to investigate the fundamental principles that limit quantum nonlocality. As such, our work provides strong motivation to reconsider the status quo of the principles that are known to limit nonlocal correlations under the framework of qNLBs rather than NLBs.

  13. Minimal Solutions to the Box Problem

    ERIC Educational Resources Information Center

    Chuang, Jer-Chin

    2009-01-01

    The "box problem" from introductory calculus seeks to maximize the volume of a tray formed by folding a strictly rectangular sheet from which identical squares have been cut from each corner. In posing such questions, one would like to choose integral side-lengths for the sheet so that the excised squares have rational or integral side-length.…

  14. EPA ExpoBox Related Links

    EPA Pesticide Factsheets

    EPA ExpoBox is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases,

  15. Expo-Box: Submit Tool Information

    EPA Pesticide Factsheets

    EPA-Expo-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases, mode

  16. On the Strength of Box Type Fuselages

    NASA Technical Reports Server (NTRS)

    Mathar, J

    1929-01-01

    The present investigation relates to a box-type fuselage with sides consisting of thin smooth sheet metal, stiffened by longitudinal members riveted to the flanged channel-section bulkheads or transverse frames and to the semicircular corrugated corner stiffenings. The results obtained in this particular case can be applied to a great number of similar structures.

  17. Cereal Box Design: An Interdisciplinary Graphics Activity

    ERIC Educational Resources Information Center

    Fitzgerald, Mike; Tsosie, Teri

    2012-01-01

    The cereal box design activity is intriguing both for its simplicity and the resourcefulness that it can generate in young people. Also, it lends itself to a variety of curriculums. It covers both consumerism and Design for the Environment (DfE) concepts broadly and in depth. The activity introduces a wide range of topics. They include graphic…

  18. Nest Boxes Artificial Homes for Woodland Mammals.

    ERIC Educational Resources Information Center

    Decker, Daniel J.; Kelley, John W.

    1983-01-01

    Provides instructions for constructing artificial "homes" for squirrels, raccoons, and rabbits. These include squirrel dens constructed from discarded automobile tires and squirrel nest boxes, raccoon dens, and rabbit burrows constructed from wood. Includes a chart giving dimensions of materials needed and suggestions on where to place the…

  19. Minimal Solutions to the Box Problem

    ERIC Educational Resources Information Center

    Chuang, Jer-Chin

    2009-01-01

    The "box problem" from introductory calculus seeks to maximize the volume of a tray formed by folding a strictly rectangular sheet from which identical squares have been cut from each corner. In posing such questions, one would like to choose integral side-lengths for the sheet so that the excised squares have rational or integral side-length.…

  20. Cereal Box Design: An Interdisciplinary Graphics Activity

    ERIC Educational Resources Information Center

    Fitzgerald, Mike; Tsosie, Teri

    2012-01-01

    The cereal box design activity is intriguing both for its simplicity and the resourcefulness that it can generate in young people. Also, it lends itself to a variety of curriculums. It covers both consumerism and Design for the Environment (DfE) concepts broadly and in depth. The activity introduces a wide range of topics. They include graphic…

  1. Hazard Analysis of Japanese Boxed Lunches (Bento).

    ERIC Educational Resources Information Center

    Bryan, Frank L.; And Others

    1991-01-01

    For the purposes of identifying contaminants, of assessing risks, and of determining critical food processing control points, hazard analyses were conducted at two "bento" (oriental boxed meals) catering operations. Time and temperature abuses during the holding period, after cooking and prior to consumption, were found to be the primary…

  2. One-Dimensional Oscillator in a Box

    ERIC Educational Resources Information Center

    Amore, Paolo; Fernandez, Francisco M.

    2010-01-01

    We discuss a quantum-mechanical model of two particles that interact by means of a harmonic potential and are confined to a one-dimensional box with impenetrable walls. We apply perturbation theory to the cases of different and equal masses and analyse the symmetry of the states in the latter case. We compare the approximate perturbation results…

  3. Fast box-counting algorithm on GPU.

    PubMed

    Jiménez, J; Ruiz de Miras, J

    2012-12-01

    The box-counting algorithm is one of the most widely used methods for calculating the fractal dimension (FD). The FD has many image analysis applications in the biomedical field, where it has been used extensively to characterize a wide range of medical signals. However, computing the FD for large images, especially in 3D, is a time consuming process. In this paper we present a fast parallel version of the box-counting algorithm, which has been coded in CUDA for execution on the Graphic Processing Unit (GPU). The optimized GPU implementation achieved an average speedup of 28 times (28×) compared to a mono-threaded CPU implementation, and an average speedup of 7 times (7×) compared to a multi-threaded CPU implementation. The performance of our improved box-counting algorithm has been tested with 3D models with different complexity, features and sizes. The validity and accuracy of the algorithm has been confirmed using models with well-known FD values. As a case study, a 3D FD analysis of several brain tissues has been performed using our GPU box-counting algorithm.

  4. Nest Boxes Artificial Homes for Woodland Mammals.

    ERIC Educational Resources Information Center

    Decker, Daniel J.; Kelley, John W.

    1983-01-01

    Provides instructions for constructing artificial "homes" for squirrels, raccoons, and rabbits. These include squirrel dens constructed from discarded automobile tires and squirrel nest boxes, raccoon dens, and rabbit burrows constructed from wood. Includes a chart giving dimensions of materials needed and suggestions on where to place the…

  5. Hazard Analysis of Japanese Boxed Lunches (Bento).

    ERIC Educational Resources Information Center

    Bryan, Frank L.; And Others

    1991-01-01

    For the purposes of identifying contaminants, of assessing risks, and of determining critical food processing control points, hazard analyses were conducted at two "bento" (oriental boxed meals) catering operations. Time and temperature abuses during the holding period, after cooking and prior to consumption, were found to be the primary…

  6. Library Technology: The Black Box Syndrome.

    ERIC Educational Resources Information Center

    Stevens, Norman

    1983-01-01

    Presents overview of library uses of automation, noting the earliest example of a "black box" in 1588, the "indicator" invented in England in 1863, various forms of card catalogs, and computer solutions posed by Vannevar Bush, J. C. R. Licklider, Project Intrex, and John G. Kemeny. Ten references are cited. (EJS)

  7. One-Dimensional Oscillator in a Box

    ERIC Educational Resources Information Center

    Amore, Paolo; Fernandez, Francisco M.

    2010-01-01

    We discuss a quantum-mechanical model of two particles that interact by means of a harmonic potential and are confined to a one-dimensional box with impenetrable walls. We apply perturbation theory to the cases of different and equal masses and analyse the symmetry of the states in the latter case. We compare the approximate perturbation results…

  8. 36 CFR 1192.33 - Fare box.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 36 Parks, Forests, and Public Property 3 2010-07-01 2010-07-01 false Fare box. 1192.33 Section 1192.33 Parks, Forests, and Public Property ARCHITECTURAL AND TRANSPORTATION BARRIERS COMPLIANCE BOARD AMERICANS WITH DISABILITIES ACT (ADA) ACCESSIBILITY GUIDELINES FOR TRANSPORTATION VEHICLES Buses, Vans and...

  9. 36 CFR 1192.33 - Fare box.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 36 Parks, Forests, and Public Property 3 2011-07-01 2011-07-01 false Fare box. 1192.33 Section 1192.33 Parks, Forests, and Public Property ARCHITECTURAL AND TRANSPORTATION BARRIERS COMPLIANCE BOARD AMERICANS WITH DISABILITIES ACT (ADA) ACCESSIBILITY GUIDELINES FOR TRANSPORTATION VEHICLES Buses, Vans and...

  10. 36 CFR 1192.33 - Fare box.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 36 Parks, Forests, and Public Property 3 2012-07-01 2012-07-01 false Fare box. 1192.33 Section 1192.33 Parks, Forests, and Public Property ARCHITECTURAL AND TRANSPORTATION BARRIERS COMPLIANCE BOARD AMERICANS WITH DISABILITIES ACT (ADA) ACCESSIBILITY GUIDELINES FOR TRANSPORTATION VEHICLES Buses, Vans and...

  11. 36 CFR 1192.33 - Fare box.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 36 Parks, Forests, and Public Property 3 2014-07-01 2014-07-01 false Fare box. 1192.33 Section 1192.33 Parks, Forests, and Public Property ARCHITECTURAL AND TRANSPORTATION BARRIERS COMPLIANCE BOARD AMERICANS WITH DISABILITIES ACT (ADA) ACCESSIBILITY GUIDELINES FOR TRANSPORTATION VEHICLES Buses, Vans and...

  12. Mystery Boxes: Helping Children Improve Their Reasoning

    ERIC Educational Resources Information Center

    Rule, Audrey C.

    2007-01-01

    This guest editorial describes ways teachers can use guessing games about an unknown item in a "mystery box" to help children improve their abilities to listen to others, recall information, ask purposeful questions, classify items by class, make inferences, synthesize information, and draw conclusions. The author presents information…

  13. Hadron scattering in an asymmetric box*

    NASA Astrophysics Data System (ADS)

    China Lattice QCD Collaboration; Li, Xin; Chen, Ying; Meng, Guo-Zhan; Feng, Xu; Gong, Ming; He, Song; Li, Gang; Liu, Chuan; Liu, Yu-Bin; Ma, Jian-Ping; Meng, Xiang-Fei; Shen, Yan; Zhang, Jian-Bo

    2007-06-01

    We propose to study hadron-hadron scattering using lattice QCD in an asymmetric box which allows one to access more non-degenerate low-momentum modes for a given volume. The conventional Lüscher's formula applicable in a symmetric box is modified accordingly. To illustrate the feasibility of this approach, pion-pion elastic scattering phase shifts in the I = 2, J = 0 channel are calculated within quenched approximation using improved gauge and Wilson fermion actions on anisotropic lattices in an asymmetric box. After the chiral and continuum extrapolation, we find that our quenched results for the scattering phase shifts in this channel are consistent with the experimental data when the three-momentum of the pion is below 300MeV. Agreement is also found when compared with previous theoretical results from lattice and other means. Moreover, with the usage of asymmetric volume, we are able to compute the scattering phases in the low-momentum range (pion three momentum less than about 350MeV in the center of mass frame) for over a dozen values of the pion three-momenta, much more than using the conventional symmetric box with comparable volume.

  14. Study of WATCH GRB Error Boxes

    NASA Astrophysics Data System (ADS)

    Gorosabel, J.; Castro-Tirado, A. J.; Lund, N.; Brandt, S.; Guziy, S.; Shlyapnikov, A.

    1995-09-01

    We have studied the first WATCH GRB Catalogue ofγ-ray Bursts in order to find correlations between WATCH GRB error boxes and a great variety of celestial objects present in 33 different catalogues. No particular class of objects has been found to be significantly correlated with the WATCH GRBs.

  15. Using Story Boxes in Language Learning

    ERIC Educational Resources Information Center

    Collins, Rita

    2009-01-01

    Story boxes and story bags are containers for holding realia that are used to enhance reading and provide a variety of activities for encouraging language acquisition and use. Whatever the packaging, these are good ways to develop students' interest in books. Using realia, or real-life objects, to teach a foreign language is not a novel concept.…

  16. Trial Run of a Junction-Box Attachment Test for Use in Photovoltaic Module Qualification (Presentation)

    SciTech Connect

    Miller, D.; Deibert, S.; Wohlgemuth, J.

    2014-06-01

    Engineering robust adhesion of the junction-box (j-box) is a hurdle typically encountered by photovoltaic (PV) module manufacturers during product development and manufacturing process control. There are historical incidences of adverse effects (e.g., fires), caused when the j-box/adhesive/module system has failed in the field. The addition of a weight to the j-box during the 'damp-heat', 'thermal-cycle', or 'creep' tests within the IEC qualification protocol is proposed to verify the basic robustness of the adhesion system. The details of the proposed test are described, in addition to a trial run of the test procedure. The described experiments examine 4 moisture-cured silicones, 4 foam tapes, and a hot-melt adhesive used in conjunction with glass, KPE, THV, and TPE substrates. For the purpose of validating the experiment, j-boxes were adhered to a substrate, loaded with a prescribed weight, and then subjected to aging. The replicate mock-modules were aged in an environmental chamber (at 85 deg C/85% relative humidity for 1000 hours; then 100 degrees C/<10% relative humidity for 200 hours) or fielded in Golden, Miami, and Phoenix for 1 year. Attachment strength tests, including pluck and shear test geometries, were also performed on smaller component specimens.

  17. Boundary Layer Measurements in Complex Terrain: Innsbruck-Box

    NASA Astrophysics Data System (ADS)

    Stiperski, I.; Rotach, M. W.; Gohm, A.

    2012-04-01

    Planetary boundary layers in complex terrain remain one of the major challenges of today's boundary layer research. Our current knowledge of the characteristics of the turbulence structure and exchange processes in truly complex topography remains limited. Not only is there no suitable theory, it is not known if all the relevant processes such a theory should explain are accounted for. Meanwhile, the increasing resolution of both numerical weather prediction and regional climate models demands precisely such information for improving model performance. Except for a few recent field campaigns, limited both in time and focus, no measurement platform in highly complex terrain is available to date that would be able to provide a complete dataset of boundary layer information in sufficient complexity, resolution and covering all regimes of interest both for model validation and resolving the remaining scientific questions. The Dynamic Meteorology Group of the Institute of Meteorology and Geophysics, University of Innsbruck is presently setting up such a 'reference box', which aims to fill in this gap. It will consist of a combination of high-resolution long-term turbulence observations in an area in the vicinity of Innsbruck (hence the 'Innsbruck-Box') and high-resolution numerical modeling. Whereas the data provided by measurements will allow for improvements in process understanding and model validation, the numerical modeling will be used to fill the data gaps in areas where no measurements are possible or the current measurement techniques are inadequate. Also, numerical experiments using idealized terrain or settings can be performed in order to test hypotheses deduced from the observations. The Innsbruck-Box is designed to be a long-term reference platform for studying boundary layer processes in highly complex terrain with an integrated measurement approach. Sites are located in the Inn-Valley, an approximately East-West oriented valley in western Austria

  18. box modeling of the eastern mediterranean sea

    NASA Astrophysics Data System (ADS)

    Ashkenazy, Y.; Stone, P. H.

    2003-04-01

    Recently (~1990) a new source of deep water formation in the Eastern Mediterranean was found in the southern part of the Aegean sea. Till then, the only source of deep water formation in the Eastern Mediterranean was in the Adriatic sea; the rate of the deep water formation of the new Aegean source is 1Sv=10^6m^3/s, three times larger then the Adriatic source. We develop a simple 3 box-model to study the stability of the thermohaline circulation of the Eastern Mediterranean sea. The 3 boxes represent the Adriatic sea, Aegean sea, and the Ionian sea. The boxes exchange heat and salinity and may be described by a set of nonlinear differential equations. We analytically analyze these equations and find that the system may have one, two, or four stable flux states. We consider two cases for which the temperatures of the boxes are (i) fixed or (ii) variable. After setting the parameters to correspond to the Eastern Mediterranean we find that the system has two stable states, one with (i) two thermally dominant sources of deep water formation in the Adriatic and Aegean and the other with (ii) a salinity dominant source of deep water formation in the Adriatic and a thermally dominant source in the Aegean. While the Adriatic thermally dominant source is comparable to the observed flux of 0.3Sv the Aegean source has much smaller flux than the observed value. This situation is analogous to the state of the thermohaline circulation pre 1990 where the only source of deep water formation was in the Adriatic. If we decrease the atmospheric temperature of the Aegean box by 2C in accordance with recent observations, we find that the deep water formation of the Aegean increases significantly to a value comparable to the recently observed flux.

  19. A tapered box model of the cochlea

    NASA Astrophysics Data System (ADS)

    Sun, Luyang; Ni, Guangjian; Elliott, Stephen

    2015-12-01

    The complicated, three dimensional geometry of the fluid chambers in the cochlea is often represented in models of its mechanics by a box with a uniform area along its length. In this paper we use previous measurements of the variation in area of the two fluid chambers along the length of the cochlea in various mammals, to calculate the variation in the "effective area" that determines the 1D fluid coupling, which is given by the harmonic mean of the two chamber areas. The square root of this effective area is found to vary surprisingly linearly along the cochlea length in several mammalian species. This suggests a variation of the box model in which the width and height of the two fluid chambers are still equal, but now decrease linearly along its length. The width of the basilar membrane, BM, is assumed to increase linearly along the length of the model. The analytic form of the 1D fluid pressure distribution due to elemental BM motion is derived for this tapered box model. The added mass due to the near field acoustic coupling can also be computed, which surprisingly turns out to be almost constant along the length of the BM. The coupled response of the box model with a passive BM can then be readily calculated. Although the pressure distributions due to elemental fluid coupling are very different in the uniform and tapered box models, the distribution of the passive BM response in the coupled models are very similar in the two cases, although the overall level of the response in the tapered model is about 10 dB greater than that in the uniform model.

  20. Bilirubin oxidation products (BOXes): synthesis, stability and chemical characteristics

    PubMed Central

    Wurster, W. L.; Pyne-Geithman, G. J.; Peat, I. R.; Clark, J. F.

    2009-01-01

    Summary Bilirubin oxidation products (BOXes) have been a subject of interest in neurosurgery because they are purported to be involved in subarachnoid hemorrhage induced cerebral vasospasm. There is a growing body of information concerning their putative role in vasospasm; however, there is a dearth of information concerning the chemical and biochemical characteristics of BOXes. A clearer understanding of the synthesis, stability and characteristics of BOXes will be important for a better understanding of the role of BOXes post subarachnoid hemorrhage. We used hydrogen peroxide to oxidize bilirubin and produce BOXes. BOXes were extracted and analyzed using conventional methods such as HPLC and mass spectrometry. Characterization of the stability BOXes demonstrates that light can photodegrade BOXes with a t1/2 of up to 10 h depending upon conditions. Mixed isomers of BOXes have an apparent extinction coefficient of ε = 6985, and a λmax of 310 nm. BOXes are produced by the oxidation of bilirubin, yielding a mixture of isomers: 4-methyl-5-oxo-3-vinyl-(1,5-dihydropyrrol-2-ylidene)acetamide (BOX A) and 3-methyl-5-oxo-4-vinyl-(1,5-dihydropyrrol-2-ylidene)acetamide (BOX B). The BOXes are photodegraded by ambient light and can be analyzed spectrophotometrically with their extinction coefficient as well as with HPLC or mass spectrometry. Their small molecular weight and photodegradation may have made them difficult to characterize in previous studies. PMID:18456996

  1. HMG-box sequences from microbats homologous to the human SOX30 HMG-box.

    PubMed

    Bullejos, M; Díaz de la Guardia, R; Barragán, M J; Sánchez, A

    2000-01-01

    SOX genes are a family of genes that encode for proteins which are characterised by the presence of a HMG-domain related to that of the mammalian sex-determining gene (SRY). By definition, the DNA binding domain of SOX genes is at least 50% identical to the 79 amino acid HMG domain of the SRY gene. We report here two HMG-box sequences from two microbat species (R. ferrumequinum and P. Pipistrellus) which were PCR amplified using a primer pair specific to the mouse Sry HMG-box. The high percentage of identity of this sequences with the human and mouse SOX30 HMG-box suggests that they are the SOX30 HMG-box for these two bat species.

  2. 7. Process areas room. Incinerator and glove boxes (hoods) to ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    7. Process areas room. Incinerator and glove boxes (hoods) to the right. Filter boxes to the left. Looking south. - Plutonium Finishing Plant, Waste Incinerator Facility, 200 West Area, Richland, Benton County, WA

  3. 22. Steering gear box and wheel from starboard side. Mizzen ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    22. Steering gear box and wheel from starboard side. Mizzen boom has been removed for repairs (note boom cradle just forward of steering gear box). - Schooner C.A. THAYER, Hyde Street Pier, San Francisco, San Francisco County, CA

  4. Double gloves reduce contamination of dry box atmosphere

    NASA Technical Reports Server (NTRS)

    Herbell, T. P.; Quantinetz, M.; Reinhardt, G.

    1965-01-01

    Pair of encased low permeability hand gloves between which an inert gas circulates reduces dry box contamination. This innovation is applicable to dry boxes using radioactive and alkali metal compounds, submicron powders, and liquid metals.

  5. 24. A CORE WORKER DISPLAYS THE CORE BOX AND CORES ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    24. A CORE WORKER DISPLAYS THE CORE BOX AND CORES FOR A BRASS GATE VALVE BODY MADE ON A CORE BOX, CA. 1950. - Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham, Jefferson County, AL

  6. The Box Turtle: Room with a View on Species Decline.

    ERIC Educational Resources Information Center

    Belzer, Bill; Steisslinger, Mary Beth

    1999-01-01

    Surveys salient aspects of eastern box-turtle natural history. Explores the societal and ecological factors that have contributed to the decline of the box-turtle population. Contains 18 references. (WRM)

  7. The Box Turtle: Room with a View on Species Decline.

    ERIC Educational Resources Information Center

    Belzer, Bill; Steisslinger, Mary Beth

    1999-01-01

    Surveys salient aspects of eastern box-turtle natural history. Explores the societal and ecological factors that have contributed to the decline of the box-turtle population. Contains 18 references. (WRM)

  8. 49 CFR 230.102 - Tender plain bearing journal boxes.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.102 Tender plain bearing journal boxes. Plain bearing journal boxes...

  9. 49 CFR 230.102 - Tender plain bearing journal boxes.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.102 Tender plain bearing journal boxes. Plain bearing journal boxes...

  10. 49 CFR 230.102 - Tender plain bearing journal boxes.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.102 Tender plain bearing journal boxes. Plain bearing journal boxes...

  11. A one piece wall box for space electronics

    SciTech Connect

    Greenwood, W.H.

    1995-05-01

    In extraterrestrial applications, satellite payloads have printed circuit modules that are housed in boxes or chassis. The box may be a one piece wall or a segmented wall. These two wall options are compared for function and cost.

  12. 49 CFR 230.104 - Driving box shoes and wedges.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.104 Driving box shoes and wedges. Driving box shoes and wedges...

  13. 49 CFR 230.104 - Driving box shoes and wedges.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.104 Driving box shoes and wedges. Driving box shoes and wedges...

  14. 49 CFR 230.102 - Tender plain bearing journal boxes.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.102 Tender plain bearing journal boxes. Plain bearing journal boxes...

  15. 49 CFR 230.102 - Tender plain bearing journal boxes.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.102 Tender plain bearing journal boxes. Plain bearing journal boxes...

  16. Children's Perception of Black and White Boxes and Bobo Dolls as a Reflection of How They Regard Their Own and Other's Racial Membership.

    ERIC Educational Resources Information Center

    Stabler, John R.; Johnson, Edward E.

    Investigation of how children's responses to black and white objects reflect racial concepts is reported. One series of experiments asking Headstart children to guess which objects they liked or disliked were hidden in black or white boxes. Although white children guessed more often that positively evaluated objects were in white boxes, black…

  17. Ballast system for maintaining constant pressure in a glove box

    NASA Technical Reports Server (NTRS)

    Shlichta, Paul J. (Inventor)

    1990-01-01

    A ballast system for a glove box including a fixed platform on which is mounted an inflatable bag on top of which resides a cover and a weight. The variable gas volume of the inflatable bag communicates with that of the glove box via a valved tube. The weight and gas volume are selected to maintain a relatively constant pressure in the glove box despite variations in the glove box volume while avoiding the use of complicated valving apparatus.

  18. SATELLITE Capabilities and Limitations for the ACPC Box Experiment

    NASA Technical Reports Server (NTRS)

    Kahn, Ralph

    2015-01-01

    This presentation was given at the Aerosol-Clouds-Precipitation-Climate (ACPC) Workshop held at NASA GISS in April 2015. The organizers of the meeting plan to post the presentations to a public website maintained by the University of Leipzig.

  19. Experiences with an Outdoor Prop Box: Addressing Standards during Recess

    ERIC Educational Resources Information Center

    Hanvey, Celeste Elaine

    2010-01-01

    When educators take play out of schools, children learn to separate play from learning. In reality, children access learning "through" play. Despite research efforts to promote the academic, physical, and cognitive importance of play in the lives of children, some school systems have reduced or eliminated playtime for young children. In…

  20. Demand for nest boxes in laying hens.

    PubMed

    Cooper, J J; Appleby, M C

    1996-04-01

    Domestic hens (Gallus gallus domesticus) from commercial laying strains have been selected for high egg yield and may lay over 300 eggs in their working lives. In conventional wire cages, there is little opportunity to perform either nest seeking or nest building activities, which may lead to frustration each time an egg is laid. To measure the demand for a well-defined nest-site, which may act as a consummatory stimulus for nest seeking behaviour and an appetitive stimulus for nest building behaviour, 16 hens were allowed to work to gain access to a pen containing two littered, enclosed nest boxes. The cost of access to the nest boxes was varied by changing the width of the vertical gap, which divided a home pen containing food, water and a perch from the pen containing the nest boxes (gaps of 220, 140, 125, 110 and 95 mm, compared with mean body width of 117 mm). The number of entries to the nest pen declined with narrowing gap, whilst the number of failed attempts to enter rose, but all 16 hens persevered with entering the nest pen prior to oviposition and laid in the nest boxes. Between 120 and 30 min to oviposition hens made many entries with the 220 mm gap (27.6), but this declined to no entries with 95 mm gap. Hens made few entries in the last half hour prior to ovipositoin (1.3) but there was no significant decline in entries as the gap narrowed (1.1 with 95 mm gap). The number of nest inspections and nest entries also declined with width of gap, but there was no effect on time spent in the nest boxes. Hens passed gaps of 220, and 140 mm to return to the nest pen following oviposition, but did not pass gaps of 125, 110 or 95 mm. We therefore conclude that the narrow gap width can be used to assess the demand for environmental requirements. Hens were willing to pay a high cost to gain access to a nest box prior to oviposition, so prelaying behaviour may be frustrated in hens without a well-defined, littered nest site.

  1. Xkid Is Degraded in a D-Box, KEN-Box, and A-Box-Independent Pathway

    PubMed Central

    Castro, Anna; Vigneron, Suzanne; Bernis, Cyril; Labbé, Jean-Claude; Lorca, Thierry

    2003-01-01

    During mitosis, the Xenopus chromokinesin Kid (Xkid) provides the polar ejection forces needed at metaphase for chromosome congression, and its degradation is required at anaphase to induce chromosome segregation. Despite the fact that the degradation of Xkid at anaphase seems to be a key regulatory factor to induce chromosome movement to the poles, little is known about the mechanisms controlling this proteolysis. We investigated here the degradation pathway of Xkid. We demonstrate that Xkid is degraded both in vitro and in vivo by APC/Cdc20 and APC/Cdh1. We show that, despite the presence of five putative D-box motifs in its sequence, Xkid is proteolyzed in a D-box-independent manner. We identify a domain within the C terminus of this chromokinesin, with sequence GxEN, whose mutation completely stabilizes this protein by both APC/Cdc20 and APC/Cdh1. Moreover, we show that this degradation sequence acts as a transposable motif and induces the proteolysis of a GST-GXEN fusion protein. Finally, we demonstrate that both a D-box and a GXEN-containing peptides completely block APC-dependent degradation of cyclin B and Xkid, indicating that the GXEN domain might mediate the recognition and association of Xkid with the APC. PMID:12773557

  2. Xkid is degraded in a D-box, KEN-box, and A-box-independent pathway.

    PubMed

    Castro, Anna; Vigneron, Suzanne; Bernis, Cyril; Labbé, Jean-Claude; Lorca, Thierry

    2003-06-01

    During mitosis, the Xenopus chromokinesin Kid (Xkid) provides the polar ejection forces needed at metaphase for chromosome congression, and its degradation is required at anaphase to induce chromosome segregation. Despite the fact that the degradation of Xkid at anaphase seems to be a key regulatory factor to induce chromosome movement to the poles, little is known about the mechanisms controlling this proteolysis. We investigated here the degradation pathway of Xkid. We demonstrate that Xkid is degraded both in vitro and in vivo by APC/Cdc20 and APC/Cdh1. We show that, despite the presence of five putative D-box motifs in its sequence, Xkid is proteolyzed in a D-box-independent manner. We identify a domain within the C terminus of this chromokinesin, with sequence GxEN, whose mutation completely stabilizes this protein by both APC/Cdc20 and APC/Cdh1. Moreover, we show that this degradation sequence acts as a transposable motif and induces the proteolysis of a GST-GXEN fusion protein. Finally, we demonstrate that both a D-box and a GXEN-containing peptides completely block APC-dependent degradation of cyclin B and Xkid, indicating that the GXEN domain might mediate the recognition and association of Xkid with the APC.

  3. Transformative Environmental Education: Stepping Outside the Curriculum Box

    ERIC Educational Resources Information Center

    Johnston, Julie

    2009-01-01

    Environmental education has become trapped in the curriculum box. At a time when our students' generation is becoming trapped in a global warming box, their education needs to be rapidly adaptable to the changing state of their planet. Venturing outside the curriculum box takes courage, creativity, and a willingness to let nature serve as the…

  4. 77 FR 74513 - Folding Gift Boxes From China

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-12-14

    ... COMMISSION Folding Gift Boxes From China Determination On the basis of the record \\1\\ developed in the... antidumping duty order on folding gift boxes from China would be likely to lead to continuation or recurrence... Commission are contained in USITC Publication 4365 (November 2012), entitled Folding Gift Boxes from China...

  5. 30 CFR 18.49 - Connection boxes on machines.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Connection boxes on machines. 18.49 Section 18... Design Requirements § 18.49 Connection boxes on machines. Connection boxes used to facilitate replacement of cables or machine components shall be explosion-proof. Portable-cable terminals on cable reels...

  6. 49 CFR 178.515 - Standards for reconstituted wood boxes.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 49 Transportation 3 2011-10-01 2011-10-01 false Standards for reconstituted wood boxes. 178.515... PACKAGINGS Non-bulk Performance-Oriented Packaging Standards § 178.515 Standards for reconstituted wood boxes. (a) The identification code for a reconstituted wood box is 4F. (b) Construction requirements...

  7. 49 CFR 178.515 - Standards for reconstituted wood boxes.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 49 Transportation 3 2012-10-01 2012-10-01 false Standards for reconstituted wood boxes. 178.515... PACKAGINGS Non-bulk Performance-Oriented Packaging Standards § 178.515 Standards for reconstituted wood boxes. (a) The identification code for a reconstituted wood box is 4F. (b) Construction requirements...

  8. 49 CFR 178.515 - Standards for reconstituted wood boxes.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 49 Transportation 3 2014-10-01 2014-10-01 false Standards for reconstituted wood boxes. 178.515... PACKAGINGS Non-bulk Performance-Oriented Packaging Standards § 178.515 Standards for reconstituted wood boxes. (a) The identification code for a reconstituted wood box is 4F. (b) Construction requirements...

  9. 46. DETAIL VIEW OF THE MORTAR BOXES, STAMP BATTERIES AND ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    46. DETAIL VIEW OF THE MORTAR BOXES, STAMP BATTERIES AND AMALGAMATION TABLES. NOTE FULTON IRON WORKS, SAM FRANCISCO 1908 STAMPED INTO THE MORTAR BOX. ALSO NOTE THE DIES RESTING ON THE OUTSIDE OF THE MORTAR BOX BY THE SECOND STAMP BATTERY FROM THE CAMERA POSITION. - Standard Gold Mill, East of Bodie Creek, Northeast of Bodie, Bodie, Mono County, CA

  10. 46 CFR 113.20-3 - Connection boxes.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 46 Shipping 4 2011-10-01 2011-10-01 false Connection boxes. 113.20-3 Section 113.20-3 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) ELECTRICAL ENGINEERING COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT Automatic Sprinkler Systems § 113.20-3 Connection boxes. Each connection box and...

  11. 46 CFR 113.20-3 - Connection boxes.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 46 Shipping 4 2014-10-01 2014-10-01 false Connection boxes. 113.20-3 Section 113.20-3 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) ELECTRICAL ENGINEERING COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT Automatic Sprinkler Systems § 113.20-3 Connection boxes. Each connection box and...

  12. 46 CFR 113.20-3 - Connection boxes.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 46 Shipping 4 2013-10-01 2013-10-01 false Connection boxes. 113.20-3 Section 113.20-3 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) ELECTRICAL ENGINEERING COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT Automatic Sprinkler Systems § 113.20-3 Connection boxes. Each connection box and...

  13. 46 CFR 113.20-3 - Connection boxes.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Connection boxes. 113.20-3 Section 113.20-3 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) ELECTRICAL ENGINEERING COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT Automatic Sprinkler Systems § 113.20-3 Connection boxes. Each connection box and...

  14. 49 CFR 215.107 - Defective plain bearing box: General.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 49 Transportation 4 2010-10-01 2010-10-01 false Defective plain bearing box: General. 215.107... Suspension System § 215.107 Defective plain bearing box: General. A railroad may not place or continue in service a car, if the car has— (a) A plain bearing box that does not contain visible free oil; (b) A plain...

  15. 49 CFR 178.517 - Standards for plastic boxes.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... plastic box must be closed with a self-adhesive tape having sufficient tensile strength to prevent the box... manufactured from suitable plastic material and be of adequate strength in relation to its capacity and... material of adequate strength and so designed as to prevent the box from unintentionally opening. (7...

  16. 49 CFR 178.517 - Standards for plastic boxes.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... plastic box must be closed with a self-adhesive tape having sufficient tensile strength to prevent the box... manufactured from suitable plastic material and be of adequate strength in relation to its capacity and... material of adequate strength and so designed as to prevent the box from unintentionally opening. (7...

  17. 49 CFR 178.517 - Standards for plastic boxes.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... plastic box must be closed with a self-adhesive tape having sufficient tensile strength to prevent the box... manufactured from suitable plastic material and be of adequate strength in relation to its capacity and... material of adequate strength and so designed as to prevent the box from unintentionally opening. (7...

  18. 49 CFR 178.517 - Standards for plastic boxes.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... plastic box must be closed with a self-adhesive tape having sufficient tensile strength to prevent the box... manufactured from suitable plastic material and be of adequate strength in relation to its capacity and... material of adequate strength and so designed as to prevent the box from unintentionally opening. (7...

  19. 49 CFR 178.517 - Standards for plastic boxes.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... plastic box must be closed with a self-adhesive tape having sufficient tensile strength to prevent the box... manufactured from suitable plastic material and be of adequate strength in relation to its capacity and... material of adequate strength and so designed as to prevent the box from unintentionally opening. (7...

  20. 30 CFR 77.1002 - Box cuts; spoil material placement.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Box cuts; spoil material placement. 77.1002 Section 77.1002 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE... COAL MINES Ground Control § 77.1002 Box cuts; spoil material placement. When box cuts are made...

  1. 30 CFR 77.1002 - Box cuts; spoil material placement.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 30 Mineral Resources 1 2014-07-01 2014-07-01 false Box cuts; spoil material placement. 77.1002 Section 77.1002 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE... COAL MINES Ground Control § 77.1002 Box cuts; spoil material placement. When box cuts are made...

  2. 30 CFR 77.1002 - Box cuts; spoil material placement.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 30 Mineral Resources 1 2013-07-01 2013-07-01 false Box cuts; spoil material placement. 77.1002 Section 77.1002 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE... COAL MINES Ground Control § 77.1002 Box cuts; spoil material placement. When box cuts are made...

  3. 30 CFR 77.1002 - Box cuts; spoil material placement.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 30 Mineral Resources 1 2011-07-01 2011-07-01 false Box cuts; spoil material placement. 77.1002 Section 77.1002 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE... COAL MINES Ground Control § 77.1002 Box cuts; spoil material placement. When box cuts are made...

  4. 30 CFR 77.1002 - Box cuts; spoil material placement.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 30 Mineral Resources 1 2012-07-01 2012-07-01 false Box cuts; spoil material placement. 77.1002 Section 77.1002 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE... COAL MINES Ground Control § 77.1002 Box cuts; spoil material placement. When box cuts are made...

  5. 49 CFR 230.104 - Driving box shoes and wedges.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 49 Transportation 4 2014-10-01 2014-10-01 false Driving box shoes and wedges. 230.104 Section 230.104 Transportation Other Regulations Relating to Transportation (Continued) FEDERAL RAILROAD... Locomotives and Tenders Running Gear § 230.104 Driving box shoes and wedges. Driving box shoes and...

  6. 49 CFR 230.104 - Driving box shoes and wedges.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 49 Transportation 4 2012-10-01 2012-10-01 false Driving box shoes and wedges. 230.104 Section 230.104 Transportation Other Regulations Relating to Transportation (Continued) FEDERAL RAILROAD... Locomotives and Tenders Running Gear § 230.104 Driving box shoes and wedges. Driving box shoes and...

  7. 49 CFR 230.104 - Driving box shoes and wedges.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 49 Transportation 4 2013-10-01 2013-10-01 false Driving box shoes and wedges. 230.104 Section 230.104 Transportation Other Regulations Relating to Transportation (Continued) FEDERAL RAILROAD... Locomotives and Tenders Running Gear § 230.104 Driving box shoes and wedges. Driving box shoes and...

  8. 77 FR 36585 - Post Office Box Service Enhancements

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-06-19

    ... COMMISSION Post Office Box Service Enhancements AGENCY: Postal Regulatory Commission. ACTION: Notice. SUMMARY... concerning enhanced services for Post Office Box service. It also addresses the status of a related Complaint... enhanced services that it offers to post office box customers at certain retail locations.\\1\\ The...

  9. 30 CFR 57.12007 - Junction box connection procedures.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Junction box connection procedures. 57.12007... Electricity Surface and Underground § 57.12007 Junction box connection procedures. Trailing cable and power-cable connections to junction boxes shall not be made or broken under load....

  10. Using Origami Boxes to Explore Concepts of Geometry and Calculus

    ERIC Educational Resources Information Center

    Wares, Arsalan

    2011-01-01

    The purpose of this classroom note is to provide an example of how a simple origami box can be used to explore important concepts of geometry and calculus. This article describes how an origami box can be folded, then it goes on to describe how its volume and surface area can be calculated. Finally, it describes how the box could be folded to…

  11. Using Origami Boxes to Explore Concepts of Geometry and Calculus

    ERIC Educational Resources Information Center

    Wares, Arsalan

    2011-01-01

    The purpose of this classroom note is to provide an example of how a simple origami box can be used to explore important concepts of geometry and calculus. This article describes how an origami box can be folded, then it goes on to describe how its volume and surface area can be calculated. Finally, it describes how the box could be folded to…

  12. 46 CFR 78.47-10 - Manual alarm boxes.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... alarm boxes shall be clearly and permanently marked “IN CASE OF FIRE BREAK GLASS.” Existing boxes not so... at least 1/2 inch letters “IN CASE OF FIRE BREAK GLASS.” All manual alarm boxes shall be numbered in...

  13. 46 CFR 78.47-10 - Manual alarm boxes.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... alarm boxes shall be clearly and permanently marked “IN CASE OF FIRE BREAK GLASS.” Existing boxes not so... at least 1/2 inch letters “IN CASE OF FIRE BREAK GLASS.” All manual alarm boxes shall be numbered in...

  14. 46 CFR 78.47-10 - Manual alarm boxes.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... alarm boxes shall be clearly and permanently marked “IN CASE OF FIRE BREAK GLASS.” Existing boxes not so... at least 1/2 inch letters “IN CASE OF FIRE BREAK GLASS.” All manual alarm boxes shall be numbered in...

  15. 46 CFR 78.47-10 - Manual alarm boxes.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... alarm boxes shall be clearly and permanently marked “IN CASE OF FIRE BREAK GLASS.” Existing boxes not so... at least 1/2 inch letters “IN CASE OF FIRE BREAK GLASS.” All manual alarm boxes shall be numbered in...

  16. 30 CFR 18.49 - Connection boxes on machines.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 30 Mineral Resources 1 2013-07-01 2013-07-01 false Connection boxes on machines. 18.49 Section 18... Design Requirements § 18.49 Connection boxes on machines. Connection boxes used to facilitate replacement of cables or machine components shall be explosion-proof. Portable-cable terminals on cable...

  17. 30 CFR 18.49 - Connection boxes on machines.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 30 Mineral Resources 1 2014-07-01 2014-07-01 false Connection boxes on machines. 18.49 Section 18... Design Requirements § 18.49 Connection boxes on machines. Connection boxes used to facilitate replacement of cables or machine components shall be explosion-proof. Portable-cable terminals on cable...

  18. 49 CFR 178.515 - Standards for reconstituted wood boxes.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 49 Transportation 3 2013-10-01 2013-10-01 false Standards for reconstituted wood boxes. 178.515... PACKAGINGS Non-bulk Performance-Oriented Packaging Standards § 178.515 Standards for reconstituted wood boxes. (a) The identification code for a reconstituted wood box is 4F. (b) Construction requirements for...

  19. Flutter analysis of composite box beams

    NASA Technical Reports Server (NTRS)

    Hodges, Dewey H.; Greenman, Matthew

    1995-01-01

    The dynamic aeroelastic instability of flutter is an important factor in the design of modern high-speed, flexible aircraft. The current trend is toward the creative use of composites to delay flutter. To obtain an optimum design, we need an accurate as well as efficient model. As a first step towards this goal, flutter analysis is carried out for an unswept composite box beam using a linear structural model and Theodorsen's unsteady aerodynamic theory. Structurally, the wing was modeled as a thin-walled box-beam of rectangular cross section. Theodorsen's theory was used to get 2-D unsteady aerodynamic forces, which were integrated over the span. A free-vibration analysis is carried out. These fundamental modes are used to get the flutter solution using the V-g method. Future work is intended to build on this foundation.

  20. Torsion Test of a Monocoque Box

    NASA Technical Reports Server (NTRS)

    Mcpherson, Albert E; Ramberg, Walter; Levy, Samuel

    1942-01-01

    A monocoque box beam consisting of a 24S-T aluminum-alloy sheet reinforced by four bulkheads and by longitudinal stringers and corner posts was subjected to bending loads as follows: pure bending about the lift axis, cantilever bending about the lift axis, and pure bending about both lift and drag axis. Longitudinal strains were measured for loads up to a load at which permanent set became measurable. The loads were sufficient to produce buckling of the sheet between stringers on the compression side of the box. The only noticeable effect of this buckling was a small increase in extreme-fiber strain on the compression side. The measured strains and measured deflections differed less than 10 percent from those computed from the simple beam theory after taking account of the effective width of the buckled sheet. The effect of the bulkheads on the distribution of stringer strain was negligible.

  1. Compressive Tests of a Monocoque Box

    NASA Technical Reports Server (NTRS)

    Ramberg, Walter; Mcpherson, Albert E; Levy, Sam

    1939-01-01

    A monocoque box specimen of aluminum alloy was subjected to end compression and the strains in the stringers were measured up to loads at which permanent set became noticeable. The stringer strains at low loads agreed closely with those computed from the assumption of uniform stress distribution. Buckling of the 0.026-inch sheet between stringers and of the 0.075-inch shear web took place at stresses in accord with theoretical values. Permanent set became noticeable at a load of 115,200 pounds, corresponding to an average stringer stress of about 16,000 pounds per square inch. The measured average strain above the first buckling load was within 2 percent of the theoretical strain as calculated from the dimensions of the box and effective width formulas due to Marguerre and to Cox.

  2. Beyond the Black Box Approach to Ethics!

    PubMed Central

    Sandman, Lars; Gustavsson, Erik

    2016-01-01

    In the editorial published in this journal, Daniels and colleagues argue that his and Sabin’s accountability for reasonableness (A4R) framework should be used to handle ethical issues in the health technology assessment (HTA)-process, especially concerning fairness. In contrast to this suggestion, it is argued that such an approach risks suffering from the irrrelevance or insufficiency they warn against. This is for a number of reasons: lack of comprehensiveness, lack of guidance for how to assess ethical issues within the "black box" of A4R as to issues covered, competence and legitimate arguments and finally seemingly accepting consensus as the final verdict on ethical issues. We argue that the HTA community is already in a position to move beyond this black box approach PMID:27285520

  3. Solar box-cooker: Part 1-modeling

    SciTech Connect

    Thulasi Das, T.C. ); Karmakar, S. ); Rao, D.P. )

    1994-03-01

    Thermal models for the solar box-cookers loaded with one, two, or four vessels have been presented. The method of Taha and Eldighidy has been utilized to estimate the enhanced solar irradiance on the cooker due to the flat reflector fitted to the cooker. The coupling of the Taha and Eldighidy method with the thermal models yielded the models for the box-cookers. A great many transfer coefficients and view factors are required as the model inputs. The methods for their estimation are given. Analysis of the transfer processes, computer simulation of the cooker, and experimental data on some of the coefficients, which are peculiar to the cooker and not available in the literature are presented in the companion paper.

  4. Are artificial neural networks black boxes?

    PubMed

    Benitez, J M; Castro, J L; Requena, I

    1997-01-01

    Artificial neural networks are efficient computing models which have shown their strengths in solving hard problems in artificial intelligence. They have also been shown to be universal approximators. Notwithstanding, one of the major criticisms is their being black boxes, since no satisfactory explanation of their behavior has been offered. In this paper, we provide such an interpretation of neural networks so that they will no longer be seen as black boxes. This is stated after establishing the equality between a certain class of neural nets and fuzzy rule-based systems. This interpretation is built with fuzzy rules using a new fuzzy logic operator which is defined after introducing the concept of f-duality. In addition, this interpretation offers an automated knowledge acquisition procedure.

  5. The Multiple Mirror Telescope (MMT) top box

    NASA Astrophysics Data System (ADS)

    Blanco, Daniel R.; Janes, Clinton C.; Montgomery, John W.; Ouellette, David B.; Sharp, Frank H.

    1986-01-01

    So named because it resides on top of the focal plane instrument, the MMT top box is a two-level optical bench with many remotely controlled features which can be configured for experimental use of the MMT. It houses the relay optics and television cameras for focusing, coaligning and guiding the six telescopes of the MMT, as well as the integrating sphere, filter wheel, Hartmann mask wheel, and relay optics of the comparison source for instrumental calibration. It also provides a rigid mounting platform for research instruments as well as special fixtures for telescope tests and collimation. In accommodating these tasks the top box incorporates several novel features which may interest designers of other large telescopes.

  6. Mobile Nondestructive Assay (NDA) Measurements of Standard Waste Boxes (SWB)

    SciTech Connect

    Mozhayev, Andrey V.; Berg, Randal K.; Haggard, Daniel L.; Hilliard, James R.; Mapili, Gabriel M.

    2006-11-01

    A mobile NDA system was composed and qualified for Safeguards measurements of multiple standard waste boxes (SWB) generated as a result of clean-out activities at Hanford’s Plutonium Finishing Plant (PFP). The system included a neutron slab counter and high purity germanium (HPGe) detector. PC/FRAM software was used to determine the isotopic composition of plutonium residue contained in the waste in order to interpret two independent measurement results provided by total neutron counting and gamma energy analysis (GEA). The measurement procedure developed to estimate transuranic (TRU) content of boxes was based on assumptions about characteristics of the matrix and material distribution. The neutron slab counter was calibrated with various plutonium working standards that were placed in a surrogate SWB specifically made to simulate miscellaneous waste debris. Transmission measurements with a californium source were used to correct for the matrix effects. An In-Situ Object Counting System (ISOCS) was used to acquire spectra from SWBs and ISOCS software was applied to generate the efficiency curve of the HPGe detector. Infinite energy extrapolation was introduced to correct GEA results for self-attenuation. The gamma and neutron results obtained on multiple SWBs are compared and discussed in the paper. Revised measurement positions for the detector and the transmission source are also suggested based on experience gained during the measurements.

  7. Perceptual effects of the mirror box training in normal subjects.

    PubMed

    Romano, Daniele; Bottini, Gabriella; Maravita, Angelo

    2013-01-01

    The mirror box (MB) was developed in the early 1990 s to relieve phantom limb sensations and chronic pain. Although its efficacy has been shown in several clinical populations, the mechanisms underpinning effects still have to be fully understood. 48 healthy subjects participated in 4 behavioral experiments where kinesthetic sensitivity of the hand inside the MB was tested during the observation of mirror-reflected finger movements, executed with the hand outside the MB. We identified two effects on the hand hidden inside the MB: diminished kinesthetic sensitivity for passive movements, and the occurrence of unconscious, involuntary movements with the finger inside the box, suggesting reduced motor awareness. Such sensory-motor effects were somatotopically specific to the finger moved, were influenced by the contextual presence of the whole hand in the mirror, and occurred for both active and passive movements of the hand outside the MB. The present results suggest that the MB induce a somatotopically and contextually specific overriding of kinesthetic control by vision, compatible with a process of embodiment of the mirror-reflected hand image and provide novel clues to the understanding of the mechanisms underlying MB effects.

  8. Contributions From yZ Box Diagrams to Parity Violating Elastic e-p Scattering

    SciTech Connect

    Benjamin Rislow, Carl Carlson

    2011-06-01

    Parity-violating (PV) elastic electron-proton scattering measures Q-weak for the proton, Q{sub W}{sup p}. To extract Q{sub W}{sup p} from data, all radiative corrections must be well-known. Recently, disagreement on the {gamma}Z box contribution to Q{sub W}{sup p} has prompted the need for further analysis of this term. Here, we support one choice of a debated factor, go beyond the previously assumed equality of electromagnetic and {gamma}Z structure functions, and find an analytic result for one of the {gamma}Z box integrals. Our numerical evaluation of the {gamma}Z box is in agreement within errors with previous reports, albeit somewhat larger in central value, and is within the uncertainty requirements of current experiments.

  9. Reconstruction of irregularly-sampled volumetric data in efficient box spline spaces.

    PubMed

    Xu, Xie; Alvarado, Alexander Singh; Entezari, Alireza

    2012-07-01

    We present a variational framework for the reconstruction of irregularly-sampled volumetric data in, nontensor-product, spline spaces. Motivated by the sampling-theoretic advantages of body centered cubic (BCC) lattice, this paper examines the BCC lattice and its associated box spline spaces in a variational setting. We introduce a regularization scheme for box splines that allows us to utilize the BCC lattice in a variational reconstruction framework. We demonstrate that by choosing the BCC lattice over the commonly-used Cartesian lattice, as the shift-invariant representation, one can increase the quality of signal reconstruction. Moreover, the computational cost of the reconstruction process is reduced in the BCC framework due to the smaller bandwidth of the system matrix in the box spline space compared to the corresponding tensor-product B-spline space. The improvements in accuracy are quantified numerically and visualized in our experiments with synthetic as well as real biomedical datasets.

  10. PCB-Based Break-Out Box

    NASA Technical Reports Server (NTRS)

    Lee, Jason H.

    2011-01-01

    Break-out boxes (BOBs) are necessary for all electrical integration/cable checkouts and troubleshooting. Because the price of a BOB is high, and no work can be done without one, often the procedure stops, simply waiting for a BOB. A less expensive BOB would take less time in the integration, testing, and troubleshooting process. The PCB-based BOB works and looks the same as a standard JPL BOB, called Gold Boxes. The only differences between the old BOB and the new PCB-based BOB is that the new one has 80 percent of its circuitry in a printed circuit board. This process reduces the time for fabrication, thus making the BOBs less expensive. Moreover, because of its unique design, the new BOBs can be easily assembled and fixed. About 80 percent of the new PCB-based BOB is in a $22 (at the time of this reporting) custom-designed, yet commercially available PCB. This device has been used successfully to verify that BOB cables were properly made. Also, upon completion, the BOB was beeped out via a multimeter to ensure that all sockets on the connectors were properly connected to the respective banana jack. When compared to the Gold Box BOBs, the new BOB has many advantages. It is much more cost efficient, it delivers equal usability at substantially lower cost of the BOB, and the Gold Box is much heavier when compared to the new BOB. The new BOB is also a bit longer and much more versatile in that connectors are easily changeable and if a banana jack is broken, it can be replaced instead of throwing away an entire BOB.

  11. Avionics Box Cold Plate Damage Prevention

    NASA Technical Reports Server (NTRS)

    Stambolian, Damon; Larcher, Steven; Henderson, Gena; Tran, Donald

    2011-01-01

    Over the years there have been several occurrences of damage to Space Shuttle Orbiter cold plates during removal and replacement of avionics boxes. Thus a process improvement team was put together to determine ways to prevent these kinds of damage. From this effort there were many solutions including, protective covers, training, and improved operations instructions. The focus of this paper is to explain the cold plate damage problem and the corrective actions for preventing future damage to aerospace avionics cold plate designs.

  12. Avoiding troubles in large gear boxes

    SciTech Connect

    Abou-Haidar, A.N.

    1995-05-08

    This article describes how attention to details such as moisture, contamination, and mechanical loading pays off in troublefree service. Most problems in large gear boxes occur with gears and bearings. Their failure modes and causes should be carefully analyzed to determine the proper corrective action. If gears are selected properly and maintained while in operation, they should last 20 or 30 yr. Gears usually fail because an interruption in operation causes wear and surface fatigue.

  13. BeatBox-HPC simulation environment for biophysically and anatomically realistic cardiac electrophysiology.

    PubMed

    Antonioletti, Mario; Biktashev, Vadim N; Jackson, Adrian; Kharche, Sanjay R; Stary, Tomas; Biktasheva, Irina V

    2017-01-01

    The BeatBox simulation environment combines flexible script language user interface with the robust computational tools, in order to setup cardiac electrophysiology in-silico experiments without re-coding at low-level, so that cell excitation, tissue/anatomy models, stimulation protocols may be included into a BeatBox script, and simulation run either sequentially or in parallel (MPI) without re-compilation. BeatBox is a free software written in C language to be run on a Unix-based platform. It provides the whole spectrum of multi scale tissue modelling from 0-dimensional individual cell simulation, 1-dimensional fibre, 2-dimensional sheet and 3-dimensional slab of tissue, up to anatomically realistic whole heart simulations, with run time measurements including cardiac re-entry tip/filament tracing, ECG, local/global samples of any variables, etc. BeatBox solvers, cell, and tissue/anatomy models repositories are extended via robust and flexible interfaces, thus providing an open framework for new developments in the field. In this paper we give an overview of the BeatBox current state, together with a description of the main computational methods and MPI parallelisation approaches.

  14. SimpleBox 4.0: Improving the model while keeping it simple….

    PubMed

    Hollander, Anne; Schoorl, Marian; van de Meent, Dik

    2016-04-01

    Chemical behavior in the environment is often modeled with multimedia fate models. SimpleBox is one often-used multimedia fate model, firstly developed in 1986. Since then, two updated versions were published. Based on recent scientific developments and experience with SimpleBox 3.0, a new version of SimpleBox was developed and is made public here: SimpleBox 4.0. In this new model, eight major changes were implemented: removal of the local scale and vegetation compartments, addition of lake compartments and deep ocean compartments (including the thermohaline circulation), implementation of intermittent rain instead of drizzle and of depth dependent soil concentrations, adjustment of the partitioning behavior for organic acids and bases as well as of the value for enthalpy of vaporization. In this paper, the effects of the model changes in SimpleBox 4.0 on the predicted steady-state concentrations of chemical substances were explored for different substance groups (neutral organic substances, acids, bases, metals) in a standard emission scenario. In general, the largest differences between the predicted concentrations in the new and the old model are caused by the implementation of layered ocean compartments. Undesirable high model complexity caused by vegetation compartments and a local scale were removed to enlarge the simplicity and user friendliness of the model. Copyright © 2016 Elsevier Ltd. All rights reserved.

  15. Does box model training improve surgical dexterity and economy of movement during virtual reality laparoscopy? A randomised trial.

    PubMed

    Clevin, Lotte; Grantcharov, Teodor P

    2008-01-01

    Laparoscopic box model trainers have been used in training curricula for a long time, however data on their impact on skills acquisition is still limited. Our aim was to validate a low cost box model trainer as a tool for the training of skills relevant to laparoscopic surgery. Randomised, controlled trial (Canadian Task Force Classification I). University Hospital. Sixteen gynaecologic residents with limited laparoscopic experience were randomised to a group that received a structured box model training curriculum, and a control group. Performance before and after the training was assessed in a virtual reality laparoscopic trainer (LapSim and was based on objective parameters, registered by the computer system (time, error, and economy of motion scores). Group A showed significantly greater improvement in all performance parameters compared with the control group: economy of movement (p=0.001), time (p=0.001) and tissue damage (p=0.036), confirming the positive impact of box-trainer curriculum on laparoscopic skills acquisition. Structured laparoscopic skill training on a low cost box model trainer improves performance as assessed using the VR system. Trainees who used the box model trainer showed significant improvement compared to the control group. Box model trainers are valid tools for laparoscopic skills training and should be implemented in the comprehensive training curricula in gynaecology.

  16. Function of B-BOX under shade.

    PubMed

    Crocco, Carlos D; Holm, Magnus; Yanovsky, Marcelo J; Botto, Javier F

    2011-01-01

    Plants are capable of perceiving changes in the light environment and finely adjust their growth and development. Reductions of red to far-red ratio (R:FR) generated by an increase of the plant canopy above the plant are sensed by the phytochrome system triggering the shade-avoidance syndrome (SAS) that includes elongation of vegetative structures, reduction of branching and acceleration of flowering. Albeit the SAS is a strategy of major adaptative significance in plant communities, involving massive changes in gene expression, our knowledge of the SAS signaling network is still fragmented. By a selection and characterization of a T-DNA mutant with a long hypocotyl under shade, we identified BBX21, a protein with two B-box domains involved in the SAS. BBX21 belongs to a small eight member family of B-box containing proteins with both opposite and additive functions in the SAS signaling. BBX21 down-regulates the gene expression of auxin, brassinosteroid and ethylene signaling pathway components under shade. Furthermore BBX21 is a transcription factor that interacts genetically with COP1. We propose a model in which a dynamic balance of positive and negative B-box transcriptional regulators acts as a gas-and-brake mechanism into the COP1 signaling to regulate the expression of SAS.

  17. T-box factors determine cardiac design.

    PubMed

    Hoogaars, W M H; Barnett, P; Moorman, A F M; Christoffels, V M

    2007-03-01

    The heart of higher vertebrates is a structurally complicated multi-chambered pump that contracts synchronously. For its proper function a number of distinct integrated components have to be generated, including force-generating compartments, unidirectional valves, septa and a system in charge of the initiation and coordinated propagation of the depolarizing impulse over the heart. Not surprisingly, a large number of regulating factors are involved in these processes that act in complex and intertwined pathways to regulate the activity of target genes responsible for morphogenesis and function. The finding that mutations in T-box transcription factor-encoding genes in humans lead to congenital heart defects has focused attention on the importance of this family of regulators in heart development. Functional and genetic analyses in a variety of divergent species has demonstrated the critical roles of multiple T-box factor gene family members, including Tbx11, -2, -3, -5, -18 and -20, in the patterning, recruitment, specification, differentiation and growth processes underlying formation and integration of the heart components. Insight into the roles of T-box factors in these processes will enhance our understanding of heart formation and the underlying molecular regulatory pathways.

  18. Prohibiting Headgear for Safety in Amateur Boxing? Opinion of the Canadian Boxing Community: an Online Poll.

    PubMed

    Dickinson, Philip; Rempel, Philip

    In 2013, the Amateur International Boxing Association (AIBA) introduced a rule banning headgear for male-senior open class boxers during competition. The AIBA has defended the rule change as motivated by safety and supported by internal unpublished studies. As a result, in 2018, the AIBA plans to universally prohibit headgear in competition: for all competitors (male and female), all ages and all levels. Within Canada, this ruling has generated controversy in the boxing community, yet there has been no overall measure of opinion. To address this, we instituted a voluntary, anonymous, online open-access poll to allow members of the boxing community to express their stance on headgear use in competition. In total, 636 responses were received. A total of 71.5 % of Canadian respondents believed headgear should be mandatory at all levels. Only 5.8 % agreed that headgear should be prohibited, as planned for 2018. Estimating results on a representative breakdown of boxing membership in Canada, a similar pattern emerged, whereby 68.2 % concurred with mandatory headgear while only 4.95 % supported its prohibition. Parents of boxers were almost unanimously against banning headgear, stating they would change sports as a result. Similarly, only 1.7 % of women believed headgear should be prohibited. The consensus of the Canadian boxing community largely opposes the rule changes that the AIBA has implemented. The results highlight risks posed to the long-term viability of the sport, if significant grassroots safety concerns are disregarded.

  19. Utilization of Boxes for Pesticide Storage in Sri Lanka.

    PubMed

    Pieris, Ravi; Weerasinghe, Manjula; Abeywickrama, Tharaka; Manuweera, Gamini; Eddleston, Michael; Dawson, Andrew; Konradsen, Flemming

    2017-01-01

    Pesticide self-poisoning is now considered one of the two most common methods of suicide worldwide. Encouraging safe storage of pesticides is one particular approach aimed at reducing pesticide self-poisoning. CropLife Sri Lanka (the local association of pesticide manufacturers), with the aid of the Department of Agriculture, distributed lockable in-house pesticide storage boxes free of charge to a farming community in a rural district of Sri Lanka. Padlocks were not provided with the boxes. These storage boxes were distributed to the farmers without prior education. The authors carried out a cross-sectional follow-up survey to assess the usage of boxes at 7 months after distribution. In an inspection of a sample of 239 box recipients' households, 142 households stored pesticides in the provided box at the time of survey. Among them, only 42 (42/142, 29.65%) households had locked the box; the remaining households (100/142, 70.4%) had not locked the box. A simple hand over of in-house pesticide storage boxes without awareness/education results in poor use of boxes. Additionally, providing in-house storage boxes may encourage farmers to store pesticides in and around houses and, if they are not locked, may lead to unplanned adverse effects.

  20. HMGB Binding to DNA: Single and Double Box Motifs

    PubMed Central

    McCauley, Micah J.; Zimmerman, Jeff; Maher, L. James; C.Williams, Mark

    2007-01-01

    High Mobility Group (HMG) proteins are nuclear proteins believed to significantly affect DNA interactions by altering nucleic acid flexibility. HMG group B proteins contain HMG box domains known to bind into the DNA minor groove without sequence specificity, slightly intercalating base pairs and inducing a strong bend in the DNA helix axis. A dual beam optical tweezers is used to extend double–stranded DNA (dsDNA) in the absence and presence of a single box derivative of human HMGB2 [HMGB2(box A)] and a double box derivative of rat HMGB1 [HMGB1(box A+B)]. The single box domain is observed to reduce the persistence length of the double helix, generating sharp DNA bends with an average bend angle of 99 ± 9°, and at very high concentrations also stabilizing dsDNA against denaturation. The double box protein contains two consecutive HMG box domains joined by a flexible tether. This protein also reduces the DNA persistence length, induces an average bending angle of 77 ± 7° and stabilizes dsDNA at significantly lower concentrations. These results suggest that the single and double box proteins increase DNA flexibility and stability, but both effects are achieved at much lower protein concentrations for the double box. In addition, at low concentrations the single box protein can alter DNA flexibility without stabilizing dsDNA, while stabilization at higher concentration is likely achieved through a cooperative binding mode. PMID:17964600

  1. Invariant box[endash]parameterization of neutrino oscillations

    SciTech Connect

    Weiler, T.J. ); Wagner, D. )

    1998-10-01

    The model-independent [open quotes]box[close quotes] parameterization of neutrino oscillations is examined. The invariant boxes are the classical amplitudes of the individual oscillating terms. Being observables, the boxes are independent of the choice of parameterization of the mixing matrix. Emphasis is placed on the relations among the box parameters due to mixing[endash]matrix unitarity, and on the reduction of the number of boxes to the minimum basis set. Using the box algebra, we show that CP-violation may be inferred from measurements of neutrino flavor mixing even when the oscillatory factors have averaged. General analyses of neutrino oscillations among n[ge]3 flavors can readily determine the boxes, which can then be manipulated to yield magnitudes of mixing matrix elements. [copyright] [ital 1998 American Institute of Physics.

  2. Invariant box{endash}parameterization of neutrino oscillations

    SciTech Connect

    Weiler, T.J.; Wagner, D.

    1998-10-01

    The model-independent {open_quotes}box{close_quotes} parameterization of neutrino oscillations is examined. The invariant boxes are the classical amplitudes of the individual oscillating terms. Being observables, the boxes are independent of the choice of parameterization of the mixing matrix. Emphasis is placed on the relations among the box parameters due to mixing{endash}matrix unitarity, and on the reduction of the number of boxes to the minimum basis set. Using the box algebra, we show that CP-violation may be inferred from measurements of neutrino flavor mixing even when the oscillatory factors have averaged. General analyses of neutrino oscillations among n{ge}3 flavors can readily determine the boxes, which can then be manipulated to yield magnitudes of mixing matrix elements. {copyright} {ital 1998 American Institute of Physics.}

  3. Policy statement—Boxing participation by children and adolescents.

    PubMed

    Purcell, Laura; LeBlanc, Claire M A

    2011-09-01

    Thousands of boys and girls younger than 19 years participate in boxing in North America. Although boxing provides benefits for participants, including exercise, self-discipline, and self-confidence, the sport of boxing encourages and rewards deliberate blows to the head and face. Participants in boxing are at risk of head, face, and neck injuries, including chronic and even fatal neurologic injuries. Concussions are one of the most common injuries that occur with boxing. Because of the risk of head and facial injuries, the American Academy of Pediatrics and the Canadian Paediatric Society oppose boxing as a sport for children and adolescents. These organizations recommend that physicians vigorously oppose boxing in youth and encourage patients to participate in alternative sports in which intentional head blows are not central to the sport.

  4. Targeting vertebrate intron-encoded box C/D 2′-O-methylation guide RNAs into the Cajal body

    PubMed Central

    Marnef, Aline; Richard, Patrica; Pinzón, Natalia; Kiss, Tamás

    2014-01-01

    Post-transcriptional pseudouridylation and 2′-O-methylation of splicesomal small nuclear ribonucleic acids (snRNAs) is mediated by box H/ACA and box C/D small Cajal body (CB)-specific ribonucleoproteins (scaRNPs), respectively. The WD-repeat protein 79 (WDR79) has been proposed to interact with both classes of modification scaRNPs and target them into the CB. The box H/ACA scaRNAs carry the common CAB box motif (consensus, ugAG) that is required for both WDR79 binding and CB-specific accumulation. Thus far, no cis-acting CB-localization element has been reported for vertebrate box C/D scaRNAs. In this study, systematic mutational analysis of the human U90 and another newly identified box C/D scaRNA, mgU2-47, demonstrated that the CB-specific accumulation of vertebrate intron-encoded box C/D scaRNAs relies on GU- or UG-dominated dinucleotide repeat sequences which are predicted to form the terminal stem-loop of the RNA apical hairpin. While the loop nucleotides are unimportant, the adjacent terminal helix that is composed mostly of consecutive G.U and U.G wobble base-pairs is essential for CB-specific localization of box C/D scaRNAs. Co-immunoprecipitation experiments confirmed that the newly identified CB localization element, called the G.U/U.G wobble stem, is crucial for in vivo association of box C/D scaRNPs with WDR79. PMID:24753405

  5. Targeting vertebrate intron-encoded box C/D 2'-O-methylation guide RNAs into the Cajal body.

    PubMed

    Marnef, Aline; Richard, Patrica; Pinzón, Natalia; Kiss, Tamás

    2014-06-01

    Post-transcriptional pseudouridylation and 2'-O-methylation of splicesomal small nuclear ribonucleic acids (snRNAs) is mediated by box H/ACA and box C/D small Cajal body (CB)-specific ribonucleoproteins (scaRNPs), respectively. The WD-repeat protein 79 (WDR79) has been proposed to interact with both classes of modification scaRNPs and target them into the CB. The box H/ACA scaRNAs carry the common CAB box motif (consensus, ugAG) that is required for both WDR79 binding and CB-specific accumulation. Thus far, no cis-acting CB-localization element has been reported for vertebrate box C/D scaRNAs. In this study, systematic mutational analysis of the human U90 and another newly identified box C/D scaRNA, mgU2-47, demonstrated that the CB-specific accumulation of vertebrate intron-encoded box C/D scaRNAs relies on GU- or UG-dominated dinucleotide repeat sequences which are predicted to form the terminal stem-loop of the RNA apical hairpin. While the loop nucleotides are unimportant, the adjacent terminal helix that is composed mostly of consecutive G.U and U.G wobble base-pairs is essential for CB-specific localization of box C/D scaRNAs. Co-immunoprecipitation experiments confirmed that the newly identified CB localization element, called the G.U/U.G wobble stem, is crucial for in vivo association of box C/D scaRNPs with WDR79.

  6. Can the design of glove dispensing boxes influence glove contamination?

    PubMed

    Assadian, O; Leaper, D J; Kramer, A; Ousey, K J

    2016-11-01

    Few studies have explored the microbial contamination of glove boxes in clinical settings. The objective of this observational study was to investigate whether a new glove packaging system in which single gloves are dispensed vertically, cuff end first, has lower levels of contamination on the gloves and on the surface around the box aperture compared with conventional glove boxes. Seven participating sites were provided with vertical glove dispensing systems (modified boxes) and conventional boxes. Before opening glove boxes, the surface around the aperture was sampled microbiologically to establish baseline levels of superficial contamination. Once the glove boxes were opened, the first pair of gloves in each box was sampled for viable bacteria. Thereafter, testing sites were visited on a weekly basis over a period of six weeks and the same microbiological assessments were made. The surface near the aperture of the modified boxes became significantly less contaminated over time compared with the conventional boxes (P<0.001), with an average of 46.7% less contamination around the aperture. Overall, gloves from modified boxes showed significantly less colony-forming unit contamination than gloves from conventional boxes (P<0.001). Comparing all sites over the entire six-week period, gloves from modified boxes had 88.9% less bacterial contamination. This simple improvement to glove box design reduces contamination of unused gloves. Such modifications could decrease the risk of microbial cross-transmission in settings that use gloves. However, such advantages do not substitute for strict hand hygiene compliance and appropriate use of non-sterile, single-use gloves. Copyright © 2016 The Healthcare Infection Society. All rights reserved.

  7. 49 CFR 178.512 - Standards for steel or aluminum boxes.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 49 Transportation 2 2010-10-01 2010-10-01 false Standards for steel or aluminum boxes. 178.512... aluminum boxes. (a) The following are identification codes for steel or aluminum boxes: (1) 4A for a steel box; and (2) 4B for an aluminum box. (b) Construction requirements for steel or aluminum boxes are as...

  8. 49 CFR 178.512 - Standards for steel, aluminum or other metal boxes.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 49 Transportation 3 2013-10-01 2013-10-01 false Standards for steel, aluminum or other metal boxes..., aluminum or other metal boxes. (a) The following are identification codes for steel, aluminum, or other metal boxes: (1) 4A for a steel box; (2) 4B for an aluminum box; and (3) 4N for an other metal box....

  9. Annual verifications--a tick-box exercise?

    PubMed

    Walker, Gwen; Williams, David

    2014-09-01

    With the onus on healthcare providers and their staff to protect patients against all elements of 'avoidable harm' perhaps never greater, Gwen Walker, a highly experienced infection prevention control nurse specialist, and David Williams, MD of Approved Air, who has 30 years' experience in validation and verification of ventilation and ultraclean ventilation systems, examine changing requirements for, and trends in, operating theatre ventilation. Validation and verification reporting on such vital HVAC equipment should not, they argue, merely be viewed as a 'tick-box exercise'; it should instead 'comprehensively inform key stakeholders, and ultimately form part of clinical governance, thus protecting those ultimately named responsible for organisation-wide safety at Trust board level'.

  10. Conserved composition of mammalian box H/ACA and box C/D small nucleolar ribonucleoprotein particles and their interaction with the common factor Nopp140.

    PubMed

    Yang, Y; Isaac, C; Wang, C; Dragon, F; Pogacic, V; Meier, U T

    2000-02-01

    Small nucleolar ribonucleoprotein particles (snoRNPs) mainly catalyze the modification of rRNA. The two major classes of snoRNPs, box H/ACA and box C/D, function in the pseudouridylation and 2'-O-methylation, respectively, of specific nucleotides. The emerging view based on studies in yeast is that each class of snoRNPs is composed of a unique set of proteins. Here we present a characterization of mammalian snoRNPs. We show that the previously characterized NAP57 is specific for box H/ACA snoRNPs, whereas the newly identified NAP65, the rat homologue of yeast Nop5/58p, is a component of the box C/D class. Using coimmunoprecipitation experiments, we show that the nucleolar and coiled-body protein Nopp140 interacts with both classes of snoRNPs. This interaction is corroborated in vivo by the exclusive depletion of snoRNP proteins from nucleoli in cells transfected with a dominant negative Nopp140 construct. Interestingly, RNA polymerase I transcription is arrested in nucleoli depleted of snoRNPs, raising the possibility of a feedback mechanism between rRNA modification and transcription. Moreover, the Nopp140-snoRNP interaction appears to be conserved in yeast, because depletion of Srp40p, the yeast Nopp140 homologue, in a conditional lethal strain induces the loss of box H/ACA small nucleolar RNAs. We propose that Nopp140 functions as a chaperone of snoRNPs in yeast and vertebrate cells.

  11. Deflection monitoring for a box girder based on a modified conjugate beam method

    NASA Astrophysics Data System (ADS)

    Chen, Shi-Zhi; Wu, Gang; Xing, Tuo

    2017-08-01

    After several years of operation, a box girder bridge would commonly experience excessive deflection, which endangers the bridge’s life span as well as the safety of vehicles travelling on it. In order to avoid potential risks, it is essential to constantly monitor the defection of box girders. However, currently, the direct deflection monitoring methods are limited by the complicated environments beneath the bridges, such as rivers or other traffic lanes, which severely impede the layouts of the sensors. The other indirect deflection monitoring methods mostly do not thoroughly consider the inherent shear lag effect and shear deformation in the box girder, resulting in a rather large error. Under these circumstances, a deflection monitoring method suiting box girders is proposed in this article, based on the conjugate beam method and distributed long-gauge fibre Bragg grating (FBG) sensor. A lab experiment was conducted to verify the reliability and feasibility of this method under practical application. Further, the serviceability under different span-depth ratios and web thicknesses was examined through a finite element model.

  12. Experimental Study on Performance of a Box Solar Cooker with Flat Plate Collector to Boil Water

    NASA Astrophysics Data System (ADS)

    Sitepu, T.; Gunawan, S.; Nasution, D. M.; Ambarita, H.; Siregar, R. E. T.; Ronowikarto, A. D.

    2017-03-01

    In this study, a flat plate type solar cooker is tested by exposing in solar irradiation. The objective is to examine the performance of solar cooker in boiling water. The solar cooker is a box type with collector area and height are 100 × 100 cm and 40 cm, respectively. Vessel for water is made of aluminum plate with diameter and height of 22 cm and 15 cm. The experiments are performed by varying mass of the water. It is 2 kg and 4 kg, respectively. Every experiment starts from 10:00 AM until the boiling temperature is reached. The parameters measured are radiance intensity, ambient and solar box cooker temperatures, and wind speed. The results show that the duration of water heating up to 100°C with water mass 2 kg within 2 hours 45 minutes and water mass 4 kg within 3 hours 17 minutes. The maximum temperatur of solar box cooker is 117°C at 12:56 PM and maximum efficiency is 46.30%. The main conclusion can be drawn here is that a simple solar box cooker can be used to boil water.

  13. Ground performance of air conditioning and water recycle system for a Space Plant Box.

    PubMed

    Tani, A; Okuma, T; Goto, E; Kitaya, Y; Saito, T; Takahashi, H

    2001-01-01

    Researchers from 5 Japanese universities have developed a plant growth facility (Space Plant Box) for seed to seed experiments under microgravity. The breadboard model of the Space Plant Box was fabricated by assembling subsystems developed for microgravity. The subsystems include air conditioning and water recycle system, air circulation system, water and nutrient delivery system, lighting system and plant monitoring system. The air conditioning and water recycle system is simply composed of a single heat exchanger, two fans and hydrophilic fibrous strings. The strings allow water movement from the cooler fin in the Cooling Box to root supporting materials in the Plant Growth Chamber driven by water potential deficit. Relative humidity in the Plant Growth Chamber can be changed over a wide range by controlling the ratio of latent heat exchange to sensible heat exchange on the cooling fin of the heat exchanger. The transpiration rate was successfully measured by circulating air inside the Plant Growth Chamber only. Most water was recycled and a small amount of water needed to be added from the outside. The simple, air conditioning and water recycle system for the Space Plant Box showed good performance through a barley (Hordeum vulgare L.) growth experiment.

  14. Boxing headguard performance in punch machine tests.

    PubMed

    McIntosh, Andrew S; Patton, Declan A

    2015-09-01

    The paper presents a novel laboratory method for assessing boxing headguard impact performance. The method is applied to examine the effects of headguards on head impact dynamics and injury risk. A linear impactor was developed, and a range of impacts was delivered to an instrumented Hybrid III head and neck system both with and without an AIBA (Association Internationale de Boxe Amateur)-approved headguard. Impacts at selected speeds between 4.1 and 8.3 m/s were undertaken. The impactor mass was approximately 4 kg and an interface comprising a semirigid 'fist' with a glove was used. The peak contact forces were in the range 1.9-5.9 kN. Differences in head impact responses between the Top Ten AIBA-approved headguard and bare headform in the lateral and forehead tests were large and/or significant. In the 8.3 m/s fist-glove impacts, the mean peak resultant headform accelerations for bare headform tests was approximately 130 g compared with approximately 85 g in the forehead impacts. In the 6.85 m/s bare headform impacts, mean peak resultant angular head accelerations were in the range of 5200-5600 rad/s(2) and almost halved by the headguard. Linear and angular accelerations in 45° forehead and 60° jaw impacts were reduced by the headguard. The data support the opinion that current AIBA headguards can play an important role in reducing the risk of concussion and superficial injury in boxing competition and training. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.

  15. Box codes of lengths 48 and 72

    NASA Technical Reports Server (NTRS)

    Solomon, G.; Jin, Y.

    1993-01-01

    A self-dual code length 48, dimension 24, with Hamming distance essentially equal to 12 is constructed here. There are only six code words of weight eight. All the other code words have weights that are multiples of four and have a minimum weight equal to 12. This code may be encoded systematically and arises from a strict binary representation of the (8,4;5) Reed-Solomon (RS) code over GF (64). The code may be considered as six interrelated (8,7;2) codes. The Mattson-Solomon representation of the cyclic decomposition of these codes and their parity sums are used to detect an odd number of errors in any of the six codes. These may then be used in a correction algorithm for hard or soft decision decoding. A (72,36;15) box code was constructed from a (63,35;8) cyclic code. The theoretical justification is presented herein. A second (72,36;15) code is constructed from an inner (63,27;16) Bose Chaudhuri Hocquenghem (BCH) code and expanded to length 72 using box code algorithms for extension. This code was simulated and verified to have a minimum distance of 15 with even weight words congruent to zero modulo four. The decoding for hard and soft decision is still more complex than the first code constructed above. Finally, an (8,4;5) RS code over GF (512) in the binary representation of the (72,36;15) box code gives rise to a (72,36;16*) code with nine words of weight eight, and all the rest have weights greater than or equal to 16.

  16. Litter box preference in domestic cats: covered versus uncovered.

    PubMed

    Grigg, Emma K; Pick, Lindsay; Nibblett, Belle

    2013-04-01

    Feline inappropriate elimination (periuria and/or perichezia) remains a very common behavioral complaint of cat owners. Treatment recommendations often include improving the attractiveness of the litter boxes available to the cat. One frequent recommendation is to avoid covered litter boxes, although this has not previously been tested experimentally. The goal of this study was to assess whether, all else being equal, cats preferentially used uncovered litter boxes over covered litter boxes. Twenty-eight cats were enrolled in the study and offered the choice of a covered or uncovered box. Waste was scooped daily from each box, and the weight of waste in the different box styles was compared and evaluated using paired t-tests and χ(2) analyses. Overall, there was no significant difference between use of the two box styles. Eight individual cats did exhibit a preference (four for covered, four for uncovered), but individual preference results are not evenly distributed, with more cats than expected showing no preference between litter box types. We postulate that, if boxes are kept sufficiently clean (ie, once daily minimum cleaning), most cats will not show a preference for either box type. The observation that a minority of cats in the study exhibited a preference supports the recommendation of providing individual cats with a 'cafeteria' of litter box styles, including a covered box, to determine whether such a preference exists. These findings add to existing literature on the topic of feline inappropriate elimination and provide additional information for clinicians recommending treatment options for cats exhibiting this behavior.

  17. A (72, 36; 15) box code

    NASA Technical Reports Server (NTRS)

    Solomon, G.

    1993-01-01

    A (72,36;15) box code is constructed as a 9 x 8 matrix whose columns add to form an extended BCH-Hamming (8,4;4) code and whose rows sum to odd or even parity. The newly constructed code, due to its matrix form, is easily decodable for all seven-error and many eight-error patterns. The code comes from a slight modification in the parity (eighth) dimension of the Reed-Solomon (8,4;5) code over GF(512). Error correction uses the row sum parity information to detect errors, which then become erasures in a Reed-Solomon correction algorithm.

  18. "Out of the box" professional development

    NASA Astrophysics Data System (ADS)

    2015-04-01

    At a recent AAPT meeting, I was part of a conversation about professional development that focused on conferences. We discussed the current meeting structure used by AAPT and some alternative formats. This discussion added greatly to my own understanding of new ways for teachers to receive their professional development. This conversation also began my friendship with Kelly O'Shea, a physics teacher from New York. She is also a blogger (check her out at https://kellyoshea.wordpress.com) and an innovative educator. Through my relationship with Kelly, I have grown in my own knowledge of two "out of the box" ways teachers are getting their professional development.

  19. CASAS: A Smart Home in a Box

    PubMed Central

    Cook, Diane J.; Crandall, Aaron S.; Thomas, Brian L.; Krishnan, Narayanan C.

    2013-01-01

    While the potential benefits of smart home technology are widely recognized, a lightweight design is needed for the benefits to be realized at a large scale. We introduce the CASAS “smart home in a box”, a lightweight smart home design that is easy to install and provides smart home capabilities out of the box with no customization or training. We discuss types of data analysis that have been performed by the CASAS group and can be pursued in the future by using this approach to designing and implementing smart home technologies. PMID:24415794

  20. Test procedure for boxed waste assay system

    SciTech Connect

    Wachter, J.

    1994-12-07

    This document, prepared by Los Alamos National Laboratory`s NMT-4 group, details the test methodology and requirements for Acceptance/Qualification testing of a Boxed Waste Assay System (BWAS) designed and constructed by Pajarito Scientific Corporation. Testing of the BWAS at the Plutonium Facility (TA55) at Los Alamos National Laboratory will be performed to ascertain system adherence to procurement specification requirements. The test program shall include demonstration of conveyor handling capabilities, gamma ray energy analysis, and imaging passive/active neutron accuracy and sensitivity. Integral to these functions is the system`s embedded operating and data reduction software.

  1. Teaching Outside the Box: ARL Librarians' Integration of the "One- Box" into Student Instruction

    ERIC Educational Resources Information Center

    Kulp, Christina; McCain, Cheryl; Scrivener, Laurie

    2014-01-01

    This article reports the results of a survey that targeted reference and instruction librarians who work at libraries that are members of the Asso- ciation of Research Libraries (ARL). Respondents were asked to indicate whether or not they teach students to use the one-box tool, and why or why not. Based on the responses of the 352 librarians who…

  2. Historical Thinking inside the Box: Preservice Elementary Teachers Use Journey Boxes to Craft Counter Narratives

    ERIC Educational Resources Information Center

    Alarcon, Jeannette; Holmes, Kathlene; Bybee, Eric

    2015-01-01

    This article details the "journey box" project process enacted by two elementary preservice teacher cohorts. Engaging in activities and projects that promote a sense of investment in not only consuming but producing historical narratives, preservice teachers potentially become interested in sharing this type of learning with their…

  3. Historical Thinking inside the Box: Preservice Elementary Teachers Use Journey Boxes to Craft Counter Narratives

    ERIC Educational Resources Information Center

    Alarcon, Jeannette; Holmes, Kathlene; Bybee, Eric

    2015-01-01

    This article details the "journey box" project process enacted by two elementary preservice teacher cohorts. Engaging in activities and projects that promote a sense of investment in not only consuming but producing historical narratives, preservice teachers potentially become interested in sharing this type of learning with their…

  4. 46 CFR 111.81-1 - Outlet boxes and junction boxes; general.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ...; UL 50; UL 514A, UL 514B, and UL 514C; IEC 60092-101; IEC 92-201; IEC 92-306; IEC 60092-352; IEC 92-401; and IEC 60092-502. (e) Each outlet or junction box must be securely attached to its mounting and... NEMA or IEC standard. ...

  5. DEAD-Box RNA Binding Protein DDX5: Not a Black-Box during Reprogramming.

    PubMed

    Nefzger, Christian M; Polo, Jose M

    2017-04-06

    The role of RNA binding proteins (RBPs) during nuclear reprogramming is poorly characterized. In this issue of Cell Stem Cell,Li et al. (2017) show that DEAD-box RBP DDX5 acts as a reprogramming roadblock and give important mechanistic insights into the establishment of pluripotency by characterizing the intricate downstream events.

  6. Research of intelligent bus coin box

    NASA Astrophysics Data System (ADS)

    Xin, Shihao

    2017-03-01

    In the energy-saving emission reduction of the social context, in response to low-carbon travel, buses become the majority of people choose. We have designed this sorting machine for the present situation that the bus company has received a large amount of mixed zero coins and employed a large amount of manpower to sort out and lower the efficiency. Its function is to separate the coins and notes mixed, and the coins sort storage, the display shows the value of the received coins, so that the whole mechanized inventory classification, reduce the cost of clearing up and improve the efficiency of zero cash recycling, use Simple mechanical principles for classification, to be efficient, accurate and practical. Really meet the current city bus companies, commerce and banking and other industries in order to zero notes, zero coins in the actual demand. The size and specification of this machine are designed according to the size of the bus coin box. It is suitable for almost all buses. It can be installed in the coin box directly, real-time sorting and real-time counting. The difficulty of clearing change.

  7. The Design of the Orthogonal Box Cavity

    SciTech Connect

    Moretti, Alfred; /Fermilab

    2010-09-15

    The muon collider and/or the neutrino factory require large accelerating electric field gradients immersed in large (3 to 6 T) solenoidal magnetic fields for ionization cooling of muon beams. Our original vacuum breakdown study demonstrated a loss of achievable peak accelerating gradient in solenoidal magnetic fields by a factor 2 or greater. The Muon Collaboration has developed a theory of a method to suppress high electric field breakdown in vacuum cavities needed for a Muon collider or neutrino factory. It has been shown in our studies and by others that high gradient electric field emitted electrons (dark current) are the primary cause of breakdown. A DC magnetic field orthogonal to the RF electric accelerating field prevents dark current high field emitted electrons from traveling across the accelerating gap and then will prevent breakdown. We have decided to test this theory by building a special cavity in the shape of vacuum box. Figure 1 is a simplified view of the cavity design. The design is based on an 805 MHz WR975 waveguide cavity resonating in the TE{sub 101} mode. For the TE{sub 101} mode the resonant frequency f{sub 0} is given by the relationship f{sub 0} = c[(I/a){sup 2} + (m/b){sup 2} + (n/d){sup 2}]{sup 0.5}/2 where a and d are the lengths of the base sides and b is the height of the box in MKS units and c is the velocity of light.

  8. Flexible bulb large storage box hydrogen maser

    NASA Technical Reports Server (NTRS)

    Reinhardt, V.

    1973-01-01

    The principal limitation on the accuracy of the hydrogen maser as a primary frequency standard has been the irreproducibility of the frequency shift caused by collisions of the radiating atoms with the walls of the vessel containing them. The flexible bulb-large storage box hydrogen maser allows correction for this wall shift within a single device, sidestepping the reproducibility problem, and reducing the frequency error from the wall shift to the level imposed by the device's stability. The principles of the device are discussed including the flexible bulb technique and the complications caused by a multiple region storage bulb. The stability of the device is discussed including a comparison with an ordinary hydrogen maser. Data is presented from a working flexible bulb-large storage box hydrogen maser demonstrating the feasibility of the device and showing some of its operating characteristics. The flexibility of the device is demonstrated by showing how the device's added degrees of freedom allow measurement of parameters unmeasurable in an ordinary hydrogen maser.

  9. A Group Action Method for Construction of Strong Substitution Box

    NASA Astrophysics Data System (ADS)

    Jamal, Sajjad Shaukat; Shah, Tariq; Attaullah, Atta

    2017-06-01

    In this paper, the method to develop cryptographically strong substitution box is presented which can be used in multimedia security and data hiding techniques. The algorithm of construction depends on the action of a projective general linear group over the set of units of the finite commutative ring. The strength of substitution box and ability to create confusion is assessed with different available analyses. Moreover, the ability of resistance against malicious attacks is also evaluated. The substitution box is examined by bit independent criterion, strict avalanche criterion, nonlinearity test, linear approximation probability test and differential approximation probability test. This substitution box is equated with well-recognized substitution boxes such as AES, Gray, APA, S8, prime of residue, Xyi and Skipjack. The comparison shows encouraging results about the strength of the proposed box. The majority logic criterion is also calculated to analyze the strength and its practical implementation.

  10. [Design and application of hand-wrist caring moxibustion box].

    PubMed

    Gao, Xi-Yan; Wang, Xin; Xu, Cui-Xiang; Gao, Ling; Ma, Qiao-Lin

    2013-11-01

    A hand-wrist moxibustion box is designed to effectively solve difficulty to have moxibustion at handwrist joint and problem of bad moxibustion effect as well as improve heat efficiency of moxibustion. The device is consisted of a box and protective screening. The box is hollow with opening on top and bottom. A reversible cover is fixed on the top of the box and support frames are put in the inner-middle. On the side wall there is a hole that is at the same horizontal level of support frames, and horizontal protective screening is put on the bottom. The design of this moxibustion box is novel and unique, simple and reasonable, which could give moxibustion on hand and wrist at the same time. Also it is easily made with low cost, easy to use and favorable effect. It is an innovation on moxibustion box.

  11. Evolving S Boxes with Reduced Differential Power Analysis Susceptibiltiy

    DTIC Science & Technology

    2016-12-02

    points in S-boxes; repairing a fixed point after evolution in a way that preserves fitness was superior to including a fixed point penalty in the...objective function or randomly repairing fixed points during or after evolution . Keywords: S-box · nonlinearity · transparency order · genetic algorithm... evolution . Previous genetic algorithms work neglects to constrain search to S-boxes that lack fixed points. 1.3 Organization We structure the paper as follows

  12. CDL description of the CDC 6600 stunt box

    NASA Technical Reports Server (NTRS)

    Hertzog, J. B.

    1971-01-01

    The CDC 6600 central memory control (stunt box) is described utilizing CDL (Computer Design Language), block diagrams, and text. The stunt box is a clearing house for all central memory references from the 6600 central and peripheral processors. Since memory requests can be issued simultaneously, the stunt box must be capable of assigning priorities to requests, of labeling requests so that the data will be distributed correctly, and of remembering rejected addresses due to memory conflicts.

  13. Small molecule therapeutics targeting F-box proteins in cancer.

    PubMed

    Liu, Yuan; Mallampalli, Rama K

    2016-02-01

    The ubiquitin proteasome system (UPS) plays vital roles in maintaining protein equilibrium mainly through proteolytic degradation of targeted substrates. The archetypical SCF ubiquitin E3 ligase complex contains a substrate recognition subunit F-box protein that recruits substrates to the catalytic ligase core for its polyubiquitylation and subsequent proteasomal degradation. Several well-characterized F-box proteins have been demonstrated that are tightly linked to neoplasia. There is mounting information characterizing F-box protein-substrate interactions with the rationale to develop unique therapeutics for cancer treatment. Here we review that how F-box proteins function in cancer and summarize potential small molecule inhibitors for cancer therapy.

  14. An Improved Method of Manufacturing Corrugated Boxes: Lateral Corrugator

    SciTech Connect

    Frank C. Murray Ph.D.; , Roman Popil Ph.D.; Michael Shaepe

    2008-12-18

    Paper physicists have known that a corrugated box constructed from outer liner sheets having a predominant fiber orientation aligned with the corrugating flute direction would have higher stiffness and crush resistance (per unit of fiber weight) than the conventional box construction. Such increased performance per unit of fiber weight could result in fiber reduction and energy savings for boxes having equivalent performance specifications. The goal of this project was to develop and demonstrate a commercially viable lateral corrugating process. This included designing and building a pilot lateral corrugator, testing and evaluating pilot machine made boxes, and developing a strategy for commercialization.

  15. 49 CFR 230.103 - Tender roller bearing journal boxes.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.103 Tender roller bearing journal boxes. Tender roller bearing...

  16. 49 CFR 230.103 - Tender roller bearing journal boxes.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.103 Tender roller bearing journal boxes. Tender roller bearing...

  17. 49 CFR 230.103 - Tender roller bearing journal boxes.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.103 Tender roller bearing journal boxes. Tender roller bearing...

  18. Determination of mechanical characteristics of stuffing box packings

    NASA Astrophysics Data System (ADS)

    Zahorulko, A.; Kundera, C.; Hudkov, S.

    2017-08-01

    The resource of stuffing box seal is determined not only by the unit design and by the conditions of its operation, but also essentially depends on the correct choice of stuffing box packing. Not one of stuffing box packing manufacturers does not provide data on mechanical properties. Therefore, in this paper the results of experimental investigations on determining the mechanical properties of packings are presented. The obtaining mechanical characteristics allow to clarify existing methods of calculation and to increase sealing and durability of stuffing box packing seals.

  19. Northwest side, northeast part, looking southeast, note fire alarm box ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Northwest side, northeast part, looking southeast, note fire alarm box at right - Mare Island Naval Shipyard, Guard House & Barracks, Railroad Avenue near Eighteenth Street, Vallejo, Solano County, CA

  20. Small molecule therapeutics targeting F-Box proteins in cancer

    PubMed Central

    Liu, Yuan; Mallampalli, Rama K.

    2015-01-01

    The ubiquitin proteasome system (UPS) plays vital roles in maintaining protein equilibrium mainly through proteolytic degradation of targeted substrates. The archetypical SCF ubiquitin E3 ligase complex contains a substrate recognition subunit F-box protein that recruits substrates to the catalytic ligase core for its polyubiquitylation and subsequent proteasomal degradation. Several well characterized F-box proteins have been demonstrated that are tightly linked to neoplasia. There is mounting information characterizing F-box protein-substrate interactions with the rationale to develop unique therapeutics for cancer treatment. Here we review that how F-box proteins function in cancer and summarize potential small molecule inhibitors for cancer therapy. PMID:26427329

  1. Ion-wake field inside a glass box

    NASA Astrophysics Data System (ADS)

    Chen, Mudi; Dropmann, Michael; Zhang, Bo; Matthews, Lorin S.; Hyde, Truell W.

    2016-09-01

    The confinement provided by a glass box is proving ideal for the formation of vertically aligned structures and a convenient method for controlling the number of dust particles comprising these dust structures as well as their sizes and shapes. In this paper, the electronic confinement of the glass box is mapped, and the particle interactions between the particle pairs inside the glass box are measured. The ion-wake field is shown to exist within the glass box, and its vertical and horizontal extents are measured.

  2. 49 CFR 230.103 - Tender roller bearing journal boxes.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.103 Tender roller bearing journal boxes. Tender roller bearing...

  3. 49 CFR 230.103 - Tender roller bearing journal boxes.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... ADMINISTRATION, DEPARTMENT OF TRANSPORTATION STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS Steam Locomotives and Tenders Running Gear § 230.103 Tender roller bearing journal boxes. Tender roller bearing...

  4. Box-Cox Mixed Logit Model for Travel Behavior Analysis

    NASA Astrophysics Data System (ADS)

    Orro, Alfonso; Novales, Margarita; Benitez, Francisco G.

    2010-09-01

    To represent the behavior of travelers when they are deciding how they are going to get to their destination, discrete choice models, based on the random utility theory, have become one of the most widely used tools. The field in which these models were developed was halfway between econometrics and transport engineering, although the latter now constitutes one of their principal areas of application. In the transport field, they have mainly been applied to mode choice, but also to the selection of destination, route, and other important decisions such as the vehicle ownership. In usual practice, the most frequently employed discrete choice models implement a fixed coefficient utility function that is linear in the parameters. The principal aim of this paper is to present the viability of specifying utility functions with random coefficients that are nonlinear in the parameters, in applications of discrete choice models to transport. Nonlinear specifications in the parameters were present in discrete choice theory at its outset, although they have seldom been used in practice until recently. The specification of random coefficients, however, began with the probit and the hedonic models in the 1970s, and, after a period of apparent little practical interest, has burgeoned into a field of intense activity in recent years with the new generation of mixed logit models. In this communication, we present a Box-Cox mixed logit model, original of the authors. It includes the estimation of the Box-Cox exponents in addition to the parameters of the random coefficients distribution. Probability of choose an alternative is an integral that will be calculated by simulation. The estimation of the model is carried out by maximizing the simulated log-likelihood of a sample of observed individual choices between alternatives. The differences between the predictions yielded by models that are inconsistent with real behavior have been studied with simulation experiments.

  5. Box tomography: localized imaging of remote targets buried in an unknown medium, a step forward for understanding key structures in the deep Earth

    NASA Astrophysics Data System (ADS)

    Masson, Yder; Romanowicz, Barbara

    2017-10-01

    evaluate the usage of box-tomography for imaging geological structures in the deep Earth. We performed 2-D synthetic experiments in a fluid planet and we argue that box tomography can be employed for refining our current global tomographic models within arbitrary regions inside the Earth. This has important implications for understanding the composition and dynamics of the Earth's interior.

  6. FerryBox - Application of continuous water quality observations along transects in the North Sea

    NASA Astrophysics Data System (ADS)

    Petersen, Wilhelm; Schroeder, Friedhelm; Bockelmann, Frank-Detlef

    2011-10-01

    In 2002, the Helmholtz-Zentrum Geesthacht, Germany, started to use FerryBox-automated monitoring systems on Ships of Opportunity to continuously record standard oceanographic, biological and chemical in situ data in the North Sea. The present study summarises the operational experience gathered since the beginning of this deployment and reflects on the potential and limits of FerryBox systems as a monitoring tool. One part relates to the instrumental performance, constancy of shipping services, and the availability and quality of the recorded in situ data. The other considers integration of the FerryBox observations in scientific applications and routine monitoring campaigns. Examples are presented that highlight the added value of the recorded data for the study of both long- and short-term variability in water mass stability, plankton communities and surface water productivity in the North Sea. Through the assessment of technical and scientific performance, it is evident that FerryBoxes have become a valuable tool in marine research that helps to fill gaps in coastal and open ocean operational observation networks.

  7. Quark-hadron duality constraints on $$\\gamma Z$$ box corrections to parity-violating elastic scattering

    DOE PAGES

    Hall, Nathan L.; Blunden, Peter G.; Melnitchouk, Wally; ...

    2015-12-08

    We examine the interference \\gamma Z box corrections to parity-violating elastic electron--proton scattering in the light of the recent observation of quark-hadron duality in parity-violating deep-inelastic scattering from the deuteron, and the approximate isospin independence of duality in the electromagnetic nucleon structure functions down to Q2 \\approx 1 GeV2. Assuming that a similar behavior also holds for the \\gamma Z proton structure functions, we find that duality constrains the γ Z box correction to the proton's weak charge to be Re V γ Z V = (5.4 \\pm 0.4) \\times 10-3 at the kinematics of the Qweak experiment. Within themore » same model we also provide estimates of the γ Z corrections for future parity-violating experiments, such as MOLLER at Jefferson Lab and MESA at Mainz.« less

  8. Thermohaline circulation and its box models simulation

    NASA Astrophysics Data System (ADS)

    Bazyura, Kateryna; Polonsky, Alexander; Sannikov, Viktor

    2014-05-01

    Ocean Thermochaline circulation (THC) is the part of large-scale World Ocean circulation and one of the main climate system components. It is generated by global meridional density gradients, which are controlled by surface heat and freshwater fluxes. THC regulates climate variability on different timescales (from decades to thousands years) [Stocker (2000), Clark (2002)]. Study of paleoclimatic evidences of abrupt and dramatic changes in ocean-atmosphere system in the past (such as, Dansgaard-Oeschger and Heinrich events or Younger Dryas, see e.g., [Rahmstorf (2002), Alley & Clark(1999)]) shows that these events are connected with THC regimes. At different times during last 120,000 years, three THC modes have prevailed in the Atlantic. They can be labeled as stadial, interstadial and Heinrich modes or as cold, warm and off mode. THC collapse (or thermohaline catastrophe) can be one of the consequences of global warming (including modern anthropogenic climate changes occurring at the moment). The ideas underlying different box-model studies, possibility of thermochaline catastrophe in present and past are discussed in this presentation. Response of generalized four box model of North Atlantic thermohaline circulation [developing the model of Griffies & Tzippermann (1995)] on periodic, stochastic and linear forcing is studied in details. To estimate climatic parameters of the box model we used monthly salinity and temperature data of ECMWF operational Ocean Reanalysis System 3 (ORA-S3) and data from atmospheric NCEP/NCAR reanalysis on precipitation, and heat fluxes for 1959-2011. Mean values, amplitude of seasonal cycle, amplitudes and periods of typical interdecadal oscillations, white noise level, linear trend coefficients and their significance level were estimated for every hydrophysical parameter. In response to intense freshwater or heat forcing, THC regime can change resulting in thermohaline catastrophe. We analyze relevant thresholds of external forcing in

  9. Technology integration box beam failure study

    NASA Technical Reports Server (NTRS)

    Shuart, Mark J.; Ambur, D. R.; Davis, D. D., Jr.; Davis, Randall C.; Farley, G. L.; Lotts, C. G.; Wang, J. T.

    1992-01-01

    Composite structures have the potential to be cost effective, structurally efficient primary aircraft structures. As part of the Advanced Composite Technology (ACT) program to exploit this potential for heavily loaded aircraft structures, the design and fabrication of the technology integration box beam (TIBB) was completed. The TIBB is an advanced composite prototype structure for the center wing section of the Lockheed C-130 aircraft. The TIBB was tested for downbending, upbending, torsion, and combined upbending and torsion load conditions to verify the design. The TIBB failed at 83 percent of design ultimate load for the combined upbending and torsion load condition. Current analytical and experimental results are described for a study of the mechanisms that led to the failure of the TIBB. Experimental results include load, strain, and deflection data. An analytical study was conducted of the TIBB structural response. Analytical results include strain and deflection results from a global analysis of the TIBB.

  10. Breakthrough thinking from inside the box.

    PubMed

    Coyne, Kevin P; Clifford, Patricia Gorman; Dye, Renée

    2007-12-01

    Companies often begin their search for great ideas either by encouraging wild, outside-the-box thinking or by conducting quantitative analysis of existing market and financial data and customer opinions. Those approaches can produce middling ideas at best, say Coyne, founder of an executive-counseling firm in Atlanta, and Clifford and Dye, strategy experts at McKinsey. The problem with the first method is that few people are very good at unstructured, abstract brainstorming. The problems with the second are that databases are usually compiled to describe current--not future--offerings, and customers rarely can tell you whether they need or want a product if they've never seen it. The secret to getting your organization to regularly generate lots of good ideas, and occasionally some great ones, is deceptively simple: First, create new boxes for people to think within so that they don't get lost in the cosmos and they have a basis for offering ideas and knowing whether they're making progress in the brainstorming session. Second, redesign ideation processes to remove obstacles that interfere with the flow of ideas--such as most people's aversion to speaking in groups larger than ten. This article offers a tested approach that poses concrete questions. For example, what do Rollerblades, Häagen-Dazs ice cream, and Spider-Man movies have in common? The answer: Each is something that adults loved as children and that was reproduced in an expensive form for grown-ups. Asking brainstorming participants to ponder how their childhood passions could be recast as adult offerings might generate some fabulous ideas for new products or services.

  11. Nondestructive boxed transuranic (TRU) waste assay systems

    NASA Astrophysics Data System (ADS)

    Caldwell, John T.; Jones, Stephanie A.; Lucero, Randy F.

    1999-01-01

    A brief history of boxed waste assay systems (primarily those developed at Los Alamos National Laboratory) is presented. The characteristics and design process involved with current generation systems--as practiced by BII--are also discussed in some detail. Finally, a specific boxed waste assay system and acceptance test results are presented. This system was developed by BII and installed at the Waste Receiving and Packaging (WRAP) facility in Hanford, Washington in early 1997. The WRAP system combines imaging passive/active neutron (IPAN) techniques with gamma- ray energy analysis (GEA) to assay crates up to 2.5 m X 2.5 m X 6.5 m in size. (Systems that incorporate both these methodologies are usually denoted IPAN/GEA types.) Two separate gamma-ray measurements are accomplished utilizing 16 arrayed NaI detectors and a moveable HPGe detector, while 3He detectors acquire both active and passive neutron data. These neutron measurements use BII's proprietary imaging methodology. Acceptance testing of the system was conducted at Hanford in January 1998. The system's operating performance was evaluated based on accuracy and sensitivity requirements for three different matrix types. Test results indicate an average 13% active mode accuracy for 10 nCi/g loadings of Pu waste and 5% passive mode accuracy for 10 g loadings of Pu waste. Sensitivity testing demonstrated an active mode lower limit of detection of less than 5 nCi/g of 239Pu for the medium matrix and less than 20 pCi/g of fission and activation products at 3(sigma) above background.

  12. Chironex fleckeri (Box Jellyfish) Venom Proteins

    PubMed Central

    Brinkman, Diane L.; Konstantakopoulos, Nicki; McInerney, Bernie V.; Mulvenna, Jason; Seymour, Jamie E.; Isbister, Geoffrey K.; Hodgson, Wayne C.

    2014-01-01

    The box jellyfish Chironex fleckeri produces extremely potent and rapid-acting venom that is harmful to humans and lethal to prey. Here, we describe the characterization of two C. fleckeri venom proteins, CfTX-A (∼40 kDa) and CfTX-B (∼42 kDa), which were isolated from C. fleckeri venom using size exclusion chromatography and cation exchange chromatography. Full-length cDNA sequences encoding CfTX-A and -B and a third putative toxin, CfTX-Bt, were subsequently retrieved from a C. fleckeri tentacle cDNA library. Bioinformatic analyses revealed that the new toxins belong to a small family of potent cnidarian pore-forming toxins that includes two other C. fleckeri toxins, CfTX-1 and CfTX-2. Phylogenetic inferences from amino acid sequences of the toxin family grouped CfTX-A, -B, and -Bt in a separate clade from CfTX-1 and -2, suggesting that the C. fleckeri toxins have diversified structurally and functionally during evolution. Comparative bioactivity assays revealed that CfTX-1/2 (25 μg kg−1) caused profound effects on the cardiovascular system of anesthetized rats, whereas CfTX-A/B elicited only minor effects at the same dose. Conversely, the hemolytic activity of CfTX-A/B (HU50 = 5 ng ml−1) was at least 30 times greater than that of CfTX-1/2. Structural homology between the cubozoan toxins and insecticidal three-domain Cry toxins (δ-endotoxins) suggests that the toxins have a similar pore-forming mechanism of action involving α-helices of the N-terminal domain, whereas structural diversification among toxin members may modulate target specificity. Expansion of the cnidarian toxin family therefore provides new insights into the evolutionary diversification of box jellyfish toxins from a structural and functional perspective. PMID:24403082

  13. Developing and user-testing Decision boxes to facilitate shared decision making in primary care - a study protocol

    PubMed Central

    2011-01-01

    Background Applying evidence is one of the most challenging steps of evidence-based clinical practice. Healthcare professionals have difficulty interpreting evidence and translating it to patients. Decision boxes are summaries of the most important benefits and harms of diagnostic, therapeutic, and preventive health interventions provided to healthcare professionals before they meet the patient. Our hypothesis is that Decision boxes will prepare clinicians to help patients make informed value-based decisions. By acting as primers, the boxes will enhance the application of evidence-based practices and increase shared decision making during the clinical encounter. The objectives of this study are to provide a framework for developing Decision boxes and testing their value to users. Methods/Design We will begin by developing Decision box prototypes for 10 clinical conditions or topics based on a review of the research on risk communication. We will present two prototypes to purposeful samples of 16 family physicians distributed in two focus groups, and 32 patients distributed in four focus groups. We will use the User Experience Model framework to explore users' perceptions of the content and format of each prototype. All discussions will be transcribed, and two researchers will independently perform a hybrid deductive/inductive thematic qualitative analysis of the data. The coding scheme will be developed a priori from the User Experience Model's seven themes (valuable, usable, credible, useful, desirable, accessible and findable), and will include new themes suggested by the data (inductive analysis). Key findings will be triangulated using additional publications on the design of tools to improve risk communication. All 10 Decision boxes will be modified in light of our findings. Discussion This study will produce a robust framework for developing and testing Decision boxes that will serve healthcare professionals and patients alike. It is the first step in the

  14. Choosing a future for epidemiology: II. From black box to Chinese boxes and eco-epidemiology.

    PubMed Central

    Susser, M; Susser, E

    1996-01-01

    Part I of this paper traced the evolution of modern epidemiology in terms of three eras, each with its dominant paradigm, culminating in the present era of chronic disease epidemiology with its paradigm, the black box. This paper sees the close of the present era and foresees a new era of eco-epidemiology in which the deployment of a different paradigm will be crucial. Here a paradigm is advocated for the emergent era. Encompassing many levels of organization--molecular and societal as well as individual--this paradigm, termed Chinese boxes, aims to integrate more than a single level in design, analysis, and interpretation. Such a paradigm could sustain and refine a public health-oriented epidemiology. But preventing a decline of creative epidemiology in this new era will require more than a cogent scientific paradigm. Attention will have to be paid to the social processes that foster a cohesive and humane discipline. PMID:8629718

  15. A Comparison of Energy Expenditure During "Wii Boxing" Versus Heavy Bag Boxing in Young Adults.

    PubMed

    Perusek, Kristen; Sparks, Kenneth; Little, Kathleen; Motley, Mary; Patterson, Sheila; Wieand, Jennifer

    2014-02-01

    Traditional computer videogames are sedentary, whereas new computer videogames, such as the Nintendo(®) (Redmond, WA) "Wii™ Sports" games, allow users to physically interact while playing the sport. Energy expenditure (EE), heart rate (HR), and rating of perceived exertion (RPE) during heavy bag boxing versus the Nintendo "Wii Boxing" game were compared. Fifteen males and 14 females (mean age, 25.6 years; height, 171.3 cm; weight, 71.8 kg) randomly selected (by a coin toss) heavy bag boxing or "Wii Boxing" for their first test session and completed the other protocol at their second session at least 2 days later. Each session lasted for a total duration of 30 minutes and consisted of 10 3-minute exercise bouts with measurements of HR, RPE, and EE obtained from indirect calorimetry. A paired-samples t test was used to analyze the results. Significant differences were found for HR (bag, 156 beats per minute; Wii, 138 beats per minute; P=0.001) and RPE (bag, 13.8; Wii, 11.4; P=0.0001) but not for EE (bag, 8.0 kcal/minute; Wii, 7.1 kcal/minute; bag, 241 total kcal; Wii, 213 total kcal; P=0.078). The results suggest that computer active videogames, such as the Nintendo Wii, have the potential to provide similar EE as their traditional forms of exercise and may be a sufficient replacement for traditional target HR zone activities, especially in less fit individuals. Further research is needed to compare EE for different "Wii Sports" games with those for their traditional forms of exercise.

  16. Wooden Box Pallet MIL-STD-1660 Tests.

    DTIC Science & Technology

    1992-12-01

    Division (SMCAC-DES), to test a wooden box pallet. This report contains the procedures, results, and recommendations from the MIL- STD -1660 tests...conducted. As tested, the wooden box pallet passed MIL- STD -1660, Design Criteria for Ammunition Unit Loads, tests.

  17. 21 CFR 864.9185 - Blood grouping view box.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 21 Food and Drugs 8 2014-04-01 2014-04-01 false Blood grouping view box. 864.9185 Section 864.9185...) MEDICAL DEVICES HEMATOLOGY AND PATHOLOGY DEVICES Products Used In Establishments That Manufacture Blood and Blood Products § 864.9185 Blood grouping view box. (a) Identification. A blood grouping view...

  18. 21 CFR 864.9185 - Blood grouping view box.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 21 Food and Drugs 8 2012-04-01 2012-04-01 false Blood grouping view box. 864.9185 Section 864.9185...) MEDICAL DEVICES HEMATOLOGY AND PATHOLOGY DEVICES Products Used In Establishments That Manufacture Blood and Blood Products § 864.9185 Blood grouping view box. (a) Identification. A blood grouping view...

  19. 21 CFR 864.9185 - Blood grouping view box.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 21 Food and Drugs 8 2011-04-01 2011-04-01 false Blood grouping view box. 864.9185 Section 864.9185...) MEDICAL DEVICES HEMATOLOGY AND PATHOLOGY DEVICES Products Used In Establishments That Manufacture Blood and Blood Products § 864.9185 Blood grouping view box. (a) Identification. A blood grouping view...

  20. 21 CFR 864.9185 - Blood grouping view box.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 21 Food and Drugs 8 2013-04-01 2013-04-01 false Blood grouping view box. 864.9185 Section 864.9185...) MEDICAL DEVICES HEMATOLOGY AND PATHOLOGY DEVICES Products Used In Establishments That Manufacture Blood and Blood Products § 864.9185 Blood grouping view box. (a) Identification. A blood grouping view...

  1. 9. VIEW, LOOKING WEST, OF GLOVE BOXES ASSOCIATED WITH THE ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    9. VIEW, LOOKING WEST, OF GLOVE BOXES ASSOCIATED WITH THE ANION EXCHANGE PROCESS IN ROOM 149. THE GLOVE BOXES ON THE LEFT CONTAIN MIXER STIRRERS THAT AID IN THE DISSOLUTION PROCESS THAT OCCURRED PRIOR TO ANION EXCHANGE. (6/20/60) - Rocky Flats Plant, Plutonium Recovery & Fabrication Facility, North-central section of plant, Golden, Jefferson County, CO

  2. Finite element corroboration of buckling phenomena observed in corrugated boxes

    Treesearch

    Thomas J. Urbanik; Edmond P. Saliklis

    2003-01-01

    Conventional compression strength formulas for corrugated fiberboard boxes are limited to geometry and material that produce an elastic postbuckling failure. Inelastic postbuckling can occur in squatty boxes and trays, but a mechanistic rationale for unifying observed strength data is lacking. This study combines a finite element model with a parametric design of the...

  3. Using Willie's Acid-Base Box for Blood Gas Analysis

    ERIC Educational Resources Information Center

    Dietz, John R.

    2011-01-01

    In this article, the author describes a method developed by Dr. William T. Lipscomb for teaching blood gas analysis of acid-base status and provides three examples using Willie's acid-base box. Willie's acid-base box is constructed using three of the parameters of standard arterial blood gas analysis: (1) pH; (2) bicarbonate; and (3) CO[subscript…

  4. 32. LARGE LADLE, BOX FLOOR, GREY IRON FOUNDRY IS USED ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    32. LARGE LADLE, BOX FLOOR, GREY IRON FOUNDRY IS USED TO CARRY LARGE BATCHES OF IRON FROM THE CUPOLA AREAS TO THE LARGE MOLDS MADE ON BOX FLOOR AREA. - Stockham Pipe & Fittings Company, Grey Iron Foundry, 4000 Tenth Avenue North, Birmingham, Jefferson County, AL

  5. 24. VIEW OF BOXES CONTAINING SOLENOIDS AND HYDRAULIC PUMP CONTRACTORS ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    24. VIEW OF BOXES CONTAINING SOLENOIDS AND HYDRAULIC PUMP CONTRACTORS FOR ENVIRONMENTAL DOORS AND BREAKERS FOR RECEPTACLES ON SEVERAL STATIONS. BOXES LOCATED IN THE SOUTHEAST CORNER OF SLC-3W MST STATION 63. - Vandenberg Air Force Base, Space Launch Complex 3, Launch Pad 3 West, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

  6. Detection of Gas Leaks in an Anaerobic Glove Box

    PubMed Central

    Jones, Gilda L.; Dever, Stanley M.

    1974-01-01

    An inert gas, Freon, can be added to the atmosphere of an anaerobic glove box without deleterious effect to cultures of anaerobic microorganisms. The sensitive probe of a Halogen Leak Detector passing over the outside surface of the box will pinpoint any escaping Freon and therefore locate the leak. PMID:4596756

  7. Detection of gas leaks in an anaerobic glove box.

    PubMed

    Jones, G L; Dever, S M

    1974-04-01

    An inert gas, Freon, can be added to the atmosphere of an anaerobic glove box without deleterious effect to cultures of anaerobic microorganisms. The sensitive probe of a Halogen Leak Detector passing over the outside surface of the box will pinpoint any escaping Freon and therefore locate the leak.

  8. Natural Interaction Based Online Military Boxing Learning System

    ERIC Educational Resources Information Center

    Yang, Chenglei; Wang, Lu; Sun, Bing; Yin, Xu; Wang, Xiaoting; Liu, Li; Lu, Lin

    2013-01-01

    Military boxing, a kind of Chinese martial arts, is widespread and health beneficial. In this paper, the authors introduce a military boxing learning system realized by 3D motion capture, Web3D and 3D interactive technologies. The interactions with the system are natural and intuitive. Users can observe and learn the details of each action of the…

  9. 46 CFR 113.10-7 - Connection boxes.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Connection boxes. 113.10-7 Section 113.10-7 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) ELECTRICAL ENGINEERING COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT Fire and Smoke Detecting and Alarm Systems § 113.10-7 Connection boxes. Each...

  10. 46 CFR 113.10-7 - Connection boxes.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 46 Shipping 4 2011-10-01 2011-10-01 false Connection boxes. 113.10-7 Section 113.10-7 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) ELECTRICAL ENGINEERING COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT Fire and Smoke Detecting and Alarm Systems § 113.10-7 Connection boxes. Each...

  11. 88. BUILDING NO. 545, LOOKING NORTH AT BOX TESTING HOUSE. ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    88. BUILDING NO. 545, LOOKING NORTH AT BOX TESTING HOUSE. BUILDING NO. 561 (CANNON POWDER BLENDER) IN RIGHT BACKGROUND. BOXES AND CONTAINERS WERE TESTED HERE BEFORE BEING SENT TO POWDER LOADING FACILITIES LIKE BUILDING NO. 565. - Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route 15 near I-80, Dover, Morris County, NJ

  12. Natural Interaction Based Online Military Boxing Learning System

    ERIC Educational Resources Information Center

    Yang, Chenglei; Wang, Lu; Sun, Bing; Yin, Xu; Wang, Xiaoting; Liu, Li; Lu, Lin

    2013-01-01

    Military boxing, a kind of Chinese martial arts, is widespread and health beneficial. In this paper, the authors introduce a military boxing learning system realized by 3D motion capture, Web3D and 3D interactive technologies. The interactions with the system are natural and intuitive. Users can observe and learn the details of each action of the…

  13. Empty Tissue Boxes: Considering Poverty in Diversity Discourse

    ERIC Educational Resources Information Center

    Cuthrell, Kristen; Ledford, Carolyn; Stapleton, Joy

    2007-01-01

    A preservice teacher doing her internship overhears some of her students asking a classmate why he regularly takes home empty tissue boxes. The boy replies that he builds cities and bridges with his empty boxes. His classmates then ask why he does not just build a city with Legos or building blocks. The preservice teacher listens intently as the…

  14. 46 CFR 113.10-7 - Connection boxes.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 46 Shipping 4 2012-10-01 2012-10-01 false Connection boxes. 113.10-7 Section 113.10-7 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) ELECTRICAL ENGINEERING COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT Fire and Smoke Detecting and Alarm Systems § 113.10-7 Connection boxes....

  15. 46 CFR 113.10-7 - Connection boxes.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 46 Shipping 4 2014-10-01 2014-10-01 false Connection boxes. 113.10-7 Section 113.10-7 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) ELECTRICAL ENGINEERING COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT Fire and Smoke Detecting and Alarm Systems § 113.10-7 Connection boxes....

  16. 46 CFR 113.10-7 - Connection boxes.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 46 Shipping 4 2013-10-01 2013-10-01 false Connection boxes. 113.10-7 Section 113.10-7 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) ELECTRICAL ENGINEERING COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT Fire and Smoke Detecting and Alarm Systems § 113.10-7 Connection boxes....

  17. 21 CFR 864.9185 - Blood grouping view box.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Blood grouping view box. 864.9185 Section 864.9185...) MEDICAL DEVICES HEMATOLOGY AND PATHOLOGY DEVICES Products Used In Establishments That Manufacture Blood and Blood Products § 864.9185 Blood grouping view box. (a) Identification. A blood grouping view...

  18. 27. LAEMPE AUTOMATED COLD BOX CORE MAKING MACHINES IN THE ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    27. LAEMPE AUTOMATED COLD BOX CORE MAKING MACHINES IN THE GREY IRON FOUNDRY USED PRESSURE TO SET RESINS IN CORE SAND. THE ONLY EFFORT REQUIRED OF WORKERS IS TO CHANGE CORE BOXES AND REMOVE HARDENED CORE. - Stockham Pipe & Fittings Company, Grey Iron Foundry, 4000 Tenth Avenue North, Birmingham, Jefferson County, AL

  19. 64. Paynes Creek Culvert. This concrete box culvert is a ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    64. Paynes Creek Culvert. This concrete box culvert is a typical example of a concrete box culvert finished with rusticated stone. Its arches reflect the rigid frame structures. Looking west. - Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mountains, Asheville, Buncombe County, NC

  20. Thinking inside the Box Constrained Creativity and New Technology

    ERIC Educational Resources Information Center

    Gill, Bradley

    2012-01-01

    Thinking outside of the box is a standard cliche for creativity. Yet an awareness of the boxed nature of new media can empower young students to think creatively about design. This article is a reflection of one teacher who led a group of young students in a series of lessons based on basic design principles related to technology. It is based on…