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1

Summary and evaluation of field performance data on unitary heat pumps  

NASA Astrophysics Data System (ADS)

Thirty-eight programs involving over 700 heat pump units were categorized in three levels: Level I programs measured energy input normally using utility load research methods, to obtain semi-quantitative performance information and hands on operating experience. In Level II programs (almost 150 units) both energy input and output were obtained allowing estimation of HSPF. Level III programs involved measurement of input, output and at least some isolation of dynamic losses due to part load cycling and frost/defrost. Energy input data is abundant and frequently reliable but the results are seldom either statically valid or easily generalized. A considerable amount of HSPF (and much less SEER) data is also available. Certain comparisons of these experimental performance factors with ARI 240-81 predictions have indicated good apparent agreement. Dynamic losses can degrade seasonal performance by over 20% in some instances. Unresolved experimental problems include optimization of flip-flop techniques, practical field measurement of cooling load and means of detecting performance degradation Also very few programs presented error analyses.

Burke, J. C.; Fitzgerald, K. F.; Frantzis, L.

1986-04-01

2

Summary and evaluation of field performance data on unitary heat pumps  

SciTech Connect

Thirty-eight programs involving over 700 heat pump units were categorized in three levels: Level I programs measured energy input normally using utility load research methods, to obtain semi-quantitative performance information and ''hands on'' operating experience. In Level II programs (almost 150 units) both energy input and output were obtained allowing estimation of HSPF. Level III programs involved measurement of input, output and at least some isolation of dynamic losses due to part load cycling and frost/defrost. Energy input data is abundant and frequently reliable but the results are seldom either statically valid or easily generalized. A considerable amount of HSPF (and much less SEER) data is also available. Certain comparisons of these experimental performance factors with ARI 240-81 predictions have indicated good apparent agreement. Dynamic losses can degrade seasonal performance by over 20% in some instances. Unresolved experimental problems include optimization of flip-flop techniques, practical field measurement of cooling load and means of detecting performance degradation. Also very few programs presented error analyses.

Burke, J.C.; Fitzgerald, K.F.; Frantzis, L.

1986-04-01

3

Evaluators Meeting Summary  

ERIC Educational Resources Information Center

On March 11 and 12, 2004, the United States Department of Education (ED) and the Character Education and Civic Engagement Technical Assistance Center (CETAC) hosted a meeting to discuss the challenges in evaluating the Partnerships in Character Education grant. The meeting goals were to: (1) Receive information regarding the implementation of…

US Department of Education, 2004

2004-01-01

4

Quantitative Evaluation of Grammaticality of Summaries  

Microsoft Academic Search

\\u000a Automated evaluation is crucial in the context of automated text summaries, as is the case with evaluation of any of the language\\u000a technologies. While the quality of a summary is determined by both content and form of a summary, throughout the literature\\u000a there has been extensive study on the automatic and semi-automatic evaluation of content of summaries and most such

Ravikiran Vadlapudi; Rahul Katragadda

2010-01-01

5

GEMS: Generative Modeling for Evaluation of Summaries  

Microsoft Academic Search

Automated evaluation is crucial in the context of automated text summaries, as is the case with evaluation of any of the language technologies. In this paper we present a Generative Modeling framework for evaluation of content of summaries. We used two simple alterna- tives to identifying signature-terms from the reference summaries based on model consistency and Parts-Of-Speech (POS) features. By

Rahul Katragadda

2010-01-01

6

SUMMARY AND GENERAL EVALUATIONS 1  

Microsoft Academic Search

The symposium speakers have done a thorough job of covering their assigned areas. This summary will serve principally as a vehicle for drawing some general conclusions. It is apparent, from the comments made by almost all participants, that animal agriculturists today are operating in a world of many and complex government regulations. This is particularly true in the area of

B. P. Cardon

2010-01-01

7

Training Evaluation Overfitting Optimising Data Usage Summary Training and Testing  

E-print Network

Training Evaluation Overfitting Optimising Data Usage Summary Lecture 2 Training and Testing University of Amsterdam #12;Training Evaluation Overfitting Optimising Data Usage Summary 1 Training k-validation 5 Summary #12;Training Evaluation Overfitting Optimising Data Usage Summary 1 Training k

Englebienne, Gwenn

8

5-Year Review: Summary & Evaluation of  

E-print Network

Population Segment Chinook Salmon (Oncorhynchus tshawytscha) Upper Columbia River Spring-run Chinook5-Year Review: Summary & Evaluation of Upper Columbia River Steelhead Upper Columbia River Spring;This page intentionally left blank #12;5-Year Review: Upper Columbia River NOAA Fisheries i 5-Year

9

Summary and evaluation of steel billet testing  

SciTech Connect

Tests were performed at Sandia National Laboratories (SNL) and Lawrence Livermore National Laboratory (LLNL) to assess loading conditions on a spent fuel storage cask for end drops, side drops and tipover events. The tests were performed with a 1/3-scale model billet and a 1/3-scale model concrete pad, and included a variety of substrate materials. A NUREG/CR report was prepared for the Nuclear Regulatory Commission (NRC) and provides a summary and an evaluation of all the billet testing conducted. This paper provides a description of the testing and analysis method, and a summary of the results. A generic or representative cask was modeled with the benchmarked finite element analysis approach and evaluated for ISFSI end and side drops and tipover events. The analytical method can be applied to similar casks to estimate deceleration loads on storage casks resulting from low-velocity drop or tipover impacts onto concrete storage pads.

Witte, M.C.; Hovingh, J.; Mok, G.C.; Murty, S.S.; Chen, T.F.; Fischer, L.E.; Tang, D.T.

1998-05-01

10

Energy-efficient buildings program evaluations. Volume 2: Evaluation summaries  

SciTech Connect

This document presents summaries of code and utility building program evaluations reviewed as the basis for the information presented in Energy-Efficient Buildings Program Evaluations, Volume 1: Findings and Recommendations, DOE/EE/OBT-11569, Vol. 1. The main purpose of this volume is to summarize information from prior evaluations of similar programs that may be useful background for designing and conducting an evaluation of the BSGP. Another purpose is to summarize an extensive set of relevant evaluations and provide a resource for program designers, mangers, and evaluators.

Lee, A.D.; Mayi, D.; Edgemon, S.D.

1997-04-01

11

REGIONAL AIR POLLUTION STUDY: LAMBERT FIELD GRAPHICAL WEATHER SUMMARY  

EPA Science Inventory

A graphical summary of National Weather Service (NWS) 3-hour weather observations from Lambert Field Airport, St. Louis, Missouri has been prepared for use by individuals involved in the analysis and application of Regional Air Pollution Study (RAPS) data. It is intended as a ref...

12

Evaluation Report Summary Darwin Education Initiative  

E-print Network

, the use of the materials and their impacts, and potential legacy effects; and · The summary final report celebratory activities marking the 200th anniversary of the birth of Charles Darwin. It aimed to stimulate available by order to secondary schools and colleges. These were: · `I'm a Worm, Get Me Out of Here' (I

Rambaut, Andrew

13

Matriculation Evaluation: Summary Report, 1992-93.  

ERIC Educational Resources Information Center

In California community colleges, state-mandated matriculation consists of services intended to enhance student success and processes to improve institutional effectiveness by developing capacities for evaluation, coordination, and training. Each year, the Chancellor's Office conducts evaluations to assess the extent to which matriculation is…

Alkin, Marvin C.; Freeman, Marie

14

Columbia River Component Data Evaluation Summary Report  

SciTech Connect

The purpose of the Columbia River Component Data Compilation and Evaluation task was to compile, review, and evaluate existing information for constituents that may have been released to the Columbia River due to Hanford Site operations. Through this effort an extensive compilation of information pertaining to Hanford Site-related contaminants released to the Columbia River has been completed for almost 965 km of the river.

C.S. Cearlock

2006-08-02

15

Evaluation of National Literacy Project: Summary Report.  

ERIC Educational Resources Information Center

The National Literacy Project was implemented in its first cohort of schools from autumn 1996 to summer 1998. Participating schools introduced a Literacy Hour, based on specific learning objectives, as the main means of literacy teaching. The project was evaluated by the National Foundation for Educational Research, by means of: tests of reading;…

Department for Education and Skills, London (England).

16

Systematic Evaluation Program. Status summary report  

SciTech Connect

Progress on the systematic evaluation program is presented concerning Big Rock Point reactor, Dresden-1 reactor, Dresden-2 reactor, Ginna-1 reactor, Connecticut Yankee reactor, LACBWR reactor, Millstone-1 reactor, Oyster Creek-1 reactor, Palisades-1 reactor, San Onofre-1 reactor, and Rowe Yankee reactor.

Not Available

1983-06-30

17

Systematic Evaluation Program. Status summary report  

SciTech Connect

Information on the Systematic Evaluation Program (SEP) is presented for the following reactors: Big Rock Point reactor; Dresden-1 reactor; Dresden-2 reactor; Ginna-1 reactor; Connecticut Yankee reactor; LACBWR reactor; Millstone-1 reactor; Oyster Creek-1 reactor; Palisades-1 reactor; San Onofre-1 reactor; and Rowe Yankee reactor.

Not Available

1983-05-31

18

Systematic evaluation program, status summary report  

SciTech Connect

Status reports are presented on the systematic evaluation program for the Big Rock Point reactor, Dresden-1 reactor, Dresden-2 reactor, Ginna-1 reactor, Connecticut Yankee reactor, LACBWR reactor, Millstone-1 reactor, Oyster Creek-1 reactor, Palisades-1 reactor, San Onofre-1 reactor, and Rowe Yankee reactor.

Not Available

1983-04-30

19

Georgia Prekindergarten Program Evaluation [with] Executive Summary.  

ERIC Educational Resources Information Center

The 1994 second-year evaluation of the state of Georgia's prekindergarten program had two objectives: (1) to describe all components of the comprehensive program--children, families, educational activities, social services, and coordinating councils; and (2) to begin assessing long-term outcomes by comparing kindergarten children formerly in the…

Pilcher, Lorene C.; Kaufman-McMurrain, Marsha

20

Summary of California DSM impact evaluation studies  

SciTech Connect

Over the past several years, four of the largest investor-owned California utilities have completed more than 50 evaluation studies designed to measure the energy and demand impacts of their demand-side management (DSM) programs. These four are: Pacific Gas and Electric (PG and E), Southern California Edison (SCE), Southern California Gas (SoCalGas), and San diego Gas and Electric (SDG and E). These studies covered residential, commercial, industrial, and agricultural DSM programs and provided a wealth of information on program impacts. The objective of this report is to summarize the results of these DSM evaluation studies in order to describe what DSM has achieved in California, to assess how well these achievements were forecast, and to compare the effectiveness of different types of DSM programs. This report documents the sizable investment made by the California utilities in their 1990--92 DSM programs. Between 1990 and 1992, the four utilities spent $772 million on energy-efficiency/conservation programs. This report also summarizes the realization rates estimated by the 50+ evaluation studies. Realization rates are defined as ex-post net savings estimates divided by ex-ante net savings estimates. Realization rates are summarized for 158 programs and program segments.

Brown, M.A. [Oak Ridge National Lab., TN (United States); Mihlmester, P.E. [Aspen Systems Corp., Oak Ridge, TN (United States)

1994-10-01

21

Staff summary of Issues & Recommendations Research/Monitoring/Evaluation/Data Management/ Reporting  

E-print Network

2009 Fish and Wildlife Program Section Section D. 9 Title: Monitoring, Evaluation, Research1 Staff summary of Issues & Recommendations Research/Monitoring/Evaluation/Data Management ­ Mainstem Monitoring and Evaluation, and Research (pg 53) Section VIII H Title: Implementation Provisions

22

The evaluation of Earth System Models: discussion summary  

Microsoft Academic Search

Complex Earth system models, and their various sub-components, are not yet subject to rigorous evaluation against observations as much as they should be, despite the existence of hundreds of proposed diagnostics. A concerted process is urgently needed to make this the norm, not the exception. Earth Observation, field observations and palaeo data can be applied to contexts as diverse as

Sönke Zaehle; Colin Prentice; Sarah Cornell

2011-01-01

23

Automation of Summary Evaluation by the Pyramid Method  

Microsoft Academic Search

The manual Pyramid method for summary evalua- tion, which focuses on the task of determining if a summary expresses the same content as a set of manual models, has shown sufficient promise that the Document Understanding Conference 2005 ef- fort will make use of it. However, an automated ap- proach would make the method far more useful for developers and

Aaron Harnly; Ani Nenkova; Rebecca Passonneau; Owen Rambow

24

Electric fields in nonhomogeneously doped silicon. Summary of simulations  

NASA Astrophysics Data System (ADS)

Variations of the doping concentration inside a silicon device result in electric field distortions. These distortions, "parasitic" fields, have been observed in Silicon Drift Detectors [D. Nouais, et al., Nucl. Instr. and Meth. A 501 (2003) 119; E. Crescio, et al., Nucl. Instr. and Meth. A 539 (2005) 250]. Electric fields inside a silicon device can be calculated for a given doping profile. In this study, the ATLAS device simulator. [ Silvaco International, 4701 Patrick Henry Drive, Bldg.2, Santa Clara, CA 95054, USA and ] was used to calculate the electric field inside an inhomogeneously doped device. Simulations were performed for 1D periodic doping profiles. Results show strong dependence of the parasitic field strength on the 'smoothness' of the doping profile.

Kotov, I. V.; Humanic, T. J.; Nouais, D.; Randel, J.; Rashevsky, A.; Alice-Its Collaboration

25

Summary  

SciTech Connect

An effective risk assessment system is needed to address the threat posed by an active or passive insider who, acting alone or in collusion, could attempt diversion or theft of nuclear material. The material control and accountability (MC&A) system effectiveness tool (MSET) is a self-assessment or inspection tool utilizing probabilistic risk assessment (PRA) methodology to calculate the system effectiveness of a nuclear facility's material protection, control, and accountability (MPC&A) system. The MSET process is divided into four distinct and separate parts: (1) Completion of the questionnaire that assembles information about the operations of every aspect of the MPC&A system; (2) Conversion of questionnaire data into numeric values associated with risk; (3) Analysis of the numeric data utilizing the MPC&A fault tree and the SAPHIRE computer software; and (4) Self-assessment using the MSET reports to perform the effectiveness evaluation of the facility's MPC&A system. The process should lead to confirmation that mitigating features of the system effectively minimize the threat, or it could lead to the conclusion that system improvements or upgrades are necessary to achieve acceptable protection against the threat. If the need for system improvements or upgrades is indicated when the system is analyzed, MSET provides the capability to evaluate potential or actual system improvements or upgrades. A facility's MC&A system can be evaluated at a point in time. The system can be reevaluated after upgrades are implemented or after other system changes occur. The total system or specific subareas within the system can be evaluated. Areas of potential system improvement can be assessed to determine where the most beneficial and cost-effective improvements should be made. Analyses of risk importance factors show that sustainability is essential for optimal performance and reveals where performance degradation has the greatest impact on total system risk. The risk importance factors show the amount of risk reduction achievable with potential upgrades and the amount of risk reduction achieved after upgrades are completed. Applying the risk assessment tool gives support to budget prioritization by showing where budget support levels must be sustained for MC&A functions most important to risk. Results of the risk assessment are also useful in supporting funding justifications for system improvements that significantly reduce system risk. The functional model, the system risk assessment tool, and the facility evaluation questionnaire are valuable educational tools for MPC&A personnel. These educational tools provide a framework for ongoing dialogue between organizations regarding the design, development, implementation, operation, assessment, and sustainability of MPC&A systems. An organization considering the use of MSET as an analytical tool for evaluating the effectiveness of its MPC&A system will benefit from conducting a complete MSET exercise at an existing nuclear facility.

Powell, Danny H [ORNL] [ORNL; Elwood Jr, Robert H [ORNL] [ORNL

2011-01-01

26

Summary  

E-print Network

• Parasitic species can dramatically alter host traits. Some of these parasite-induced changes can be considered adaptive manipulations that benefit the parasites. Gall-inducing insects are parasites well known for their ability to alter host-plant morphology and physiology, including the distribution of plant defensive compounds. Here it was investigated whether gall-inducing species alter indirect plant defenses, involving the release of volatile compounds that are attractive to foraging natural enemies. • Using field and factorial laboratory experiments, volatile production by goldenrod (Solidago altissima) plants was examined in response to attack by two gall-inducing species, the tephritid fly Eurosta solidaginis and the gelechiid moth Gnorimoschema gallaesolidaginis, as well as the meadow spittlebug, Philaenus spumarius, and the generalist caterpillar Heliothis virescens. • Heliothis virescens elicited strong indirect defensive responses from S. altissima, but the gall-inducing species and spittlebugs did not. More significantly, infestation by E. solidaginis appeared to suppress volatile responses to subsequent attack by the

John F. Tooker; Jason R. Rohr; Warren G. Abrahamson; Consuelo M. De Moraes; John F. Tooker

2007-01-01

27

Some Examinations of Intrinsic Methods for Summary Evaluation Based on the Text Summarization Challenge (TSC)  

Microsoft Academic Search

Computer-produced summaries have traditionally been evaluated by comparing them with human-produced summaries using the F- measure. However, the F-measure is not appropriate when alternative sentences are possible in a human-produced extract. In this paper, we examine some evaluation methods devised to overcome the problem, including utility-based evaluation. By giving scores for moderately important sentences that does not appear in the

Hidetsugu Nanba; Manabu Okumura

28

Urban Dispersion Program Overview and MID05 Field Study Summary  

SciTech Connect

The Urban Dispersion Program (UDP) was a 4-year project (2004–2007) funded by the U.S. Department of Homeland Security with additional support from the Defense Threat Reduction Agency. The U.S. Environmental Protection Agency (EPA) also contributed to UDP through funding a human-exposure component of the New York City (NYC) field studies in addition to supporting an EPA scientist in conducting modeling studies of NYC. The primary goal of UDP was to improve the scientific understanding of the flow and diffusion of airborne contaminants through and around the deep street canyons of NYC. The overall UDP project manager and lead scientist was Dr. Jerry Allwine of Pacific Northwest National Laboratory. UDP had several accomplishments that included conducting two tracer and meteorological field studies in Midtown Manhattan.

Allwine, K Jerry; Flaherty, Julia E.

2007-07-31

29

Summary of the hypervelocity weapon system field experiment  

Microsoft Academic Search

The Hypervelocity Launcher Product Office of the US Army Space and Strategic Defense Command has completed the first field experiment for the Hypervelocity Weapon System (NVWS). The HVWS is being developed as a cost-effective, bottom-tier element of the overall Theater Missile Defense (TMD) architecture. The HVWS is C-130 transportable and will complement the total spectrum of TMD assets. The objective

T. C. Aden; J. L. Brown; V. D. Churchwell; P. Dewer; A. Juhasz; Z. Kaplan; J. Williams

1997-01-01

30

Workshop on CSDP data needs for the BACA geothermal field: a summary  

SciTech Connect

These workshop summaries discuss the data needs of the Continental Scientific Drilling Program (CSDP) community and provide an introduction to the available geological, geophysical, geochemical and reservoir engineering data of the Baca geothermal field, Valles Caldera, New Mexico. Individual abstracts have been prepared for the presentations. (ACR)

Mangold, D.C.; Tsang, C.F. (eds.)

1984-06-01

31

Remedial site evaluation report for the waste area grouping 10 wells associated with the new hydrofracture facility at Oak Ridge National Laboratory, Oak Ridge, Tennessee. Volume 2: Field activities and well summaries  

SciTech Connect

Four hydrofracture sites at the Oak Ridge National Laboratory (ORNL) were used for development, demonstration, and disposal from 1959 to 1984. More than 10 million gal of waste grout mix was disposed of via hydrofracture. Various types of wells were installed to monitor the hydrofracture operations. The primary goal of this remedial investigation was to gather information about the wells in order to recommend the type and best method of final disposition for the wells. Evaluations were performed to determine the integrity of well castings, confirm construction details for each well, evaluate the extent of contamination, assist in planning for future activities, and determine the suitability of the wells for future temporary site monitoring.

NONE

1996-08-01

32

An updated summary of MATHEW/ADPIC model evaluation studies  

SciTech Connect

This paper summarizes the major model evaluation studies conducted for the MATHEW/ADPIC atmospheric transport and diffusion models used by the US Department of Energy's Atmospheric Release Advisory Capability. These studies have taken place over the last 15 years and involve field tracer releases influenced by a variety of meteorological and topographical conditions. Neutrally buoyant tracers released both as surface and elevated point sources, as well as material dispersed by explosive, thermally bouyant release mechanisms have been studied. Results from these studies show that the MATHEW/ADPIC models estimate the tracer air concentrations to within a factor of two of the measured values 20% to 50% of the time, and within a factor of five of the measurements 35% to 85% of the time depending on the complexity of the meteorology and terrain, and the release height of the tracer. Comparisons of model estimates to peak downwind deposition and air concentration measurements from explosive releases are shown to be generally within a factor of two to three. 24 refs., 14 figs., 3 tabs.

Foster, K.T.; Dickerson, M.H.

1990-05-01

33

Students Training for Academic Readiness (STAR): Year Three Evaluation Report. Executive Summary  

ERIC Educational Resources Information Center

This executive summary presents findings from the Year 3 evaluation of Texas' state-level Gaining Early Awareness and Readiness for Undergraduate Programs, or GEAR UP, grant. GEAR UP grant requirements include an evaluation component designed to assess program effectiveness and to measure progress toward project goals. To this end, the evaluation

Texas Center for Educational Research, 2010

2010-01-01

34

Summary and Overview of Standards and Procedures for Evaluation Contracting.  

ERIC Educational Resources Information Center

The basic thesis of the larger paper from which this condensation is drawn is that the use of evaluation contracts is advisable when evaluations are to be conducted by persons external to the institution responsible for the program to be evaluated (or, in larger institutions such as large universities, by persons external to the unit or department…

Wright, William J.; Worthen, Blaine R.

35

A Second Year Evaluation Study of Promethean ActivClassroom. Executive Summary  

ERIC Educational Resources Information Center

During the 2009-2010 school year, Marzano Research Laboratory (MRL) was commissioned by Promethean Ltd. to conduct a second year evaluation study of the effects of Promethean ActivClassroom on student academic achievement. This executive summary highlights the key findings. [For "A Second Year Evaluation Study of Promethean ActivClassroom. Final…

Marzano Research Laboratory, 2010

2010-01-01

36

An Evaluation of the Nutrition Education and Training Program: Project Summary.  

ERIC Educational Resources Information Center

This project summary reviews and extends the findings of prior reports made by Abt Associates, Inc. (Cambridge, Massachusetts) on the Nutrition Education and Training (NET) program, synthesizes evaluation efforts in nutrition education, and presents a set of conclusions based on the evaluations of nutrition programs. Chapter 1 presents background…

St. Pierre, Robert G.

37

Summary of selected water-quality data for the Warrior coal field, Alabama  

USGS Publications Warehouse

A summary is presented of selected water quality data collected from 1976 to 1984 at 75 surface water sites and 28 test wells in the Warrior coal field in northwestern Alabama. The minimum, maximum, mean or median, standard deviation, and number of determinations are given for each site for discharge, pH, alkalinity, specific conductance, hardness, dissolved and suspended solids, sulfate, and total and dissolved iron and manganese. Twelve quadrangles are included in the report showing the location of each site. (USGS)

Mooty, W.S.

1985-01-01

38

SITE EVALUATION OF FIELD PORTABLE PENTACHLOROPHENOL IMMUNOASSAYS  

EPA Science Inventory

Four pentachlorophenol (PCP) enzyme immunoassays for environmental analysis have been evaluated through the U.S. EPA Superfund Innovative Technology Evaluation (SITE) program. Three assays were formatted for on-site field use and one assay could be used in a field laboratory sett...

39

The Agricultural Safety and Health (ASH) External Evaluation Summary  

Microsoft Academic Search

This article reports on the findings of the external evaluators of the Agricultural Safety and Health (ASH) initiative of the W. K. Kellogg Foundation (WKKF). The evaluation describes the overarching themes and impacts of the program's projects. It analyzes data gathered from observations at planning sessions and networking conferences, conference calls, site visits, written reports and telephone interviews with project

Gary Kukulka; H. Yvonne Cheek; Susan Jenkins

1998-01-01

40

PUBLIC HEALTH AIR SURVEILLANCE EVALUATION (PHASE) - A SUMMARY  

EPA Science Inventory

NERL's Human Exposure and Atmospheric Sciences Division and other participants in the Public Health Air Surveillance Evaluation (PHASE) project will be discussing their results with European Commission, Directorate General Environment, and French Agency for Environment an...

41

Medical evaluations on the KC-135 1991 flight report summary  

NASA Technical Reports Server (NTRS)

The medical investigations completed on the KC-135 during FY 1991 in support of the development of the Health Maintenance Facility and Medical Operations are presented. The experiments consisted of medical and engineering evaluations of medical hardware and procedures and were conducted by medical and engineering personnel. The hardware evaluated included prototypes of a crew medical restraint system and advanced life support pack, a shuttle orbiter medical system, an airway medical accessory kit, a supplementary extended duration orbiter medical kit, and a surgical overhead canopy. The evaluations will be used to design flight hardware and identify hardware-specific training requirements. The following procedures were evaluated: transport of an ill or injured crewmember at man-tended capability, surgical technique in microgravity, transfer of liquids in microgravity, advanced cardiac life support using man-tended capability Health Maintenance Facility hardware, medical transport using a model of the assured crew return vehicle, and evaluation of delivery mechanisms for aerosolized medications in microgravity. The results of these evaluation flights allow for a better understanding of the types of procedures that can be performed in a microgravity environment.

Lloyd, Charles W.

1993-01-01

42

Summary of monitoring station component evaluation project 2009-2011.  

SciTech Connect

Sandia National Laboratories (SNL) is regarded as a center for unbiased expertise in testing and evaluation of geophysical sensors and instrumentation for ground-based nuclear explosion monitoring (GNEM) systems. This project will sustain and enhance our component evaluation capabilities. In addition, new sensor technologies that could greatly improve national monitoring system performance will be sought and characterized. This work directly impacts the Ground-based Nuclear Explosion Monitoring mission by verifying that the performance of monitoring station sensors and instrumentation is characterized and suitable to the mission. It enables the operational monitoring agency to deploy instruments of known capability and to have confidence in operational success. This effort will ensure that our evaluation capabilities are maintained for future use.

Hart, Darren M.

2012-02-01

43

Evaluating the Safety of New Vaccines: Summary of a Workshop  

PubMed Central

Public concerns about the safety of vaccines arise on a regular basis. In November 2000, a workshop titled “Evaluation of New Vaccines: How Much Safety Data?” was convened by US Public Health Service agencies, including the Food and Drug Administration, the National Institutes of Health, the Centers for Disease Control and Prevention, and the Health Resources and Services Administration, to discuss appropriate methods for evaluating the safety of new vaccines. Workshop presentations addressed the current standards and approaches for new vaccine evaluation and postlicensure surveillance, as well as public views about vaccine safety and alternative approaches that could be considered. The advantages and disadvantages of conducting large controlled trials before licensure or widespread use of a new vaccine were discussed. We summarize these presentations and discussions. PMID:15855455

Ellenberg, Susan S.; Foulkes, Mary A.; Midthun, Karen; Goldenthal, Karen L.

2005-01-01

44

Medical evaluations on the KC-135 1990 flight report summary  

NASA Technical Reports Server (NTRS)

The medical investigations completed on the KC-135 during FY 1990 in support of the development of the Health Maintenance Facility and Medical Operations are discussed. The experiments are comprised of engineering evaluations of medical hardware and medical procedures. The investigating teams are made up of both medical and engineering personnel responsible for the development of medical hardware and medical operations. The hardware evaluated includes dental equipment, a coagulation analyzer, selected pharmaceutical aerosol devices, a prototype air/fluid separator, a prototype packaging and stowage system for medical supplies, a microliter metering system, and a workstation for minor surgical procedures. The results of these engineering evaluations will be used in the design of fleet hardware as well as to identify hardware specific training requirements.

Lloyd, Charles W.; Guess, Terrell M.; Whiting, Charles W.; Doarn, Charles R.

1991-01-01

45

College Readiness Program Evaluation 1988-1989. Summary Report.  

ERIC Educational Resources Information Center

This document summarizes an evaluation of the 1988/89 College Readiness Program (CRP) in the Columbus (Ohio) Public Schools. The CRP targets middle school students who demonstrate potential for success in college but who are not planning to attend college because of their families' financial status or because higher education is not part of their…

Brierley, Miriam; Thompson, Gary

46

Evaluation of the Danish Leave Schemes. Summary of a Report.  

ERIC Educational Resources Information Center

An evaluation examined how the Danish leave schemes, an offer to employed and unemployed persons who qualify for unemployment benefits, were functioning and to what extent the objectives have been achieved. It was found that 60 percent of those taking leave had previously been unemployed; women accounted for two-thirds of those joining the scheme;…

Andersen, Dines; Appeldorn, Alice; Weise, Hanne

47

Annual AIDP Impact Evaluation Report, FY 1978: Executive Summary.  

ERIC Educational Resources Information Center

The purpose of this report is to provide an in-depth view of the impact of involvement in the Advanced Institutional Development Program (AIDP) on institutions of higher education. The study consists of three major evaluation elements, which are presented after an introductory section of conclusions, recommendations, and future implications which…

McManis Associates, Inc., Washington, DC.

48

Evaluation Report 1-B-6: Summary Test Data: Detroit Schools.  

ERIC Educational Resources Information Center

This evaluation report is one of 17 planned for the longitudinal pilot study of the implementation in kindergarten and grade 1 of the Comprehensive School Mathematics Program (CSMP). In this report, the implementation of the CSMP program in first-grade classrooms in Detroit is described. Results of three tests given to both CSMP and non-CSMP…

Herbert, Martin

49

National Evaluation of Learn and Serve America. Summary Report.  

National Technical Information Service (NTIS)

In selecting sites for the study, the evaluation focused on a set of 'fully implemented' service-learning programs - programs that were well-established and demonstrated the characteristics of a well-designed service-learning program. The goal in selectin...

2000-01-01

50

Faculty Early Career Development (CAREER) Program: External Evaluation Summary Report  

NSF Publications Database

From 1998 through 1999, Abt Associates conducted an evaluation of the first three years of the Faculty Early Career Development (CAREER) Program, including surveys of CAREER awardees, NSF-funded comparable faculty, and department chairpersons in departments housing CAREER awardees. The CAREER Program The CAREER program funds beginning faculty members to develop academic careers that combine research and education. 8 CAREER awardees reported on their CAREER award, while the NSF Comparison ...

51

Field Evaluation of Programmable Thermostats  

SciTech Connect

Prior research suggests that poor programmable thermostats usability may prevent their effective use to save energy. We hypothesized that home occupants with a high-usability thermostats would be more likely to use them to save energy than people with a basic thermostat. We randomly installed a high-usability thermostat in half the 77 apartments of an affordable housing complex, installing a basic thermostat in the other half. During the heating season, we collected space temperature and furnace on-off data to evaluate occupant interaction with the thermostats, foremost nighttime setbacks. We found that thermostat usability did not influence energy-saving behaviors, finding no significant difference in temperature maintained among apartments with high- and low-usability thermostats.

Sachs, O.; Tiefenbeck, V.; Duvier, C.; Qin, A.; Cheney, K.; Akers, C.; Roth, K.

2012-12-01

52

Summary of 2012 reconnaissance field studies related to the petroleum geology of the Nenana Basin, interior Alaska  

USGS Publications Warehouse

The Alaska Division of Geological & Geophysical Surveys (DGGS) recently initiated a multi-year review of the hydrocarbon potential of frontier sedimentary basins in Alaska (Swenson and others, 2012). In collaboration with the Alaska Division of Oil & Gas and the U.S. Geological Survey we conducted reconnaissance field studies in two basins with recognized natural gas potential—the Susitna basin and the Nenana basin (LePain and others, 2012). This paper summarizes our initial work on the Nenana basin; a brief summary of our work in the Susitna basin can be found in Gillis and others (in press). During early May 2012, we conducted ten days of helicopter-supported fieldwork and reconnaissance sampling along the northern Alaska Range foothills and Yukon–Tanana upland near Fairbanks (fig. 1). The goal of this work was to improve our understanding of the geologic development of the Nenana basin and to collect a suite of samples to better evaluate hydrocarbon potential. Most laboratory analyses have not yet been completed, so this preliminary report serves as a summary of field data and sets the framework for future, more comprehensive analysis to be presented in later publications.

Wartes, Marwan A.; Gillis, Robert J.; Herriott, Trystan M.; Stanley, Richard G.; Helmold, Kenneth P.; Peterson, C. Shaun; Benowitz, Jeffrey A.

2013-01-01

53

SIMS analysis: Development and evaluation 1994 summary report  

SciTech Connect

Secondary ion mass spectrometry (SIMS) was evaluated for applicability to the characterization of salt cake and environmental samples. Salt cake is representative of waste found in radioactive waste storage tanks located at Hanford and at other DOE sites; it consists of nitrate, nitrite, hydroxide, and ferrocyanide salts, and the samples form the tanks are extremely radioactive. SIMS is an attractive technology for characterizing these samples because it has the capability for producing speciation information with little or no sample preparation, and it generates no additional waste. Experiments demonstrated that substantial speciation information could be readily generated using SIMS: metal clusters which include nitrate, nitrite, hydroxide, carbonate, cyanide, ferrocyanide and ferricyanide were observed. In addition, the mechanism of SIMS desorption of tributyl phosphate (TBP) was clearly identified, and minimum detection limit studies involving TBP were performed. Procurements leading to the construction of an ion trap SIMS instrument were initiated. Technology transfer of SIMS components to three instrument vendors was initiated. For FY-95, the SIMS evaluation program has been redirected toward identification of metal species on environmental samples.

Groenewold, G.S.; Appelhans, A.D.; Ingram, J.C.; Delmore, J.E.; Dahl, D.A.

1994-12-01

54

SIMS analysis: Development and evaluation 1995 summary report  

SciTech Connect

Secondary ion mass spectrometry (SIMS) was evaluated for characterizing Hg salts. It was found that sulfate and chloride species could be identified directly without sample preparation. Mercuric oxide could be identified by complexation with formic acid. Hg nitrates could be identified by complexation with cyclohexylamine (CHA). Laser desorption ion trap MS was evaluated for characterizing EDTA on environmental samples. No intact EDTA ions were observed, but a series of EDTA fragment ions were visible, particularly on basalt and soil. An ion trap SIMS was developed: a perrhenate ion gun was interfaced to a Teledyne ion trap spectrometer, and the entire device was mounted on a cart. The technology was demonstrated using a prototype ion trap SIMS instrument for detecting Hg{center_dot}CHA complexes formed from nitrate salts. Intensity of the ion gun was improved, and the surface damage of the particle was small, and ion gun technology transfer to Phi-Evans, Inc. is being considered. Two technology end users are at INEL`s Central Facilities Area 674 pond and acid pit of the Radioactive Waste Management Complex; target problem at both sites is the need for Hg speciation on soil samples.

Groenewold, G.S.; Appelhans, A.D.; Ingram, J.C.; Delmore, J.E.; Dahl, D.A.

1995-10-01

55

Static magnetic fields: A summary of biological interactions, potential health effects, and exposure guidelines  

SciTech Connect

Interest in the mechanisms of interaction and the biological effects of static magnetic fields has increased significantly during the past two decades as a result of the growing number of applications of these fields in research, industry and medicine. A major stimulus for research on the bioeffects of static magnetic fields has been the effort to develop new technologies for energy production and storage that utilize intense magnetic fields (e.g., thermonuclear fusion reactors and superconducting magnet energy storage devices). Interest in the possible biological interactions and health effects of static magnetic fields has also been increased as a result of recent developments in magnetic levitation as a mode of public transportation. In addition, the rapid emergence of magnetic resonance imaging as a new clinical diagnostic procedure has, in recent years, provided a strong rationale for defining the possible biological effects of magnetic fields with high flux densities. In this review, the principal interaction mechanisms of static magnetic fields will be described, and a summary will be given of the present state of knowledge of the biological, environmental, and human health effects of these fields.

Tenforde, T.S.

1992-05-01

56

Middle Grades Reform in California: Auspicious Beginnings and High Expectations. Executive Summary and Recommendations: Interim Evaluation.  

ERIC Educational Resources Information Center

The California agenda for middle-grade reform is based on 10 regional networks, each composed of 1 foundation school and approximately 10 partnership schools. An interim evaluation of the reform effort, which occurred from 1988-90, is presented in this executive summary of two annual reports, "Technical Report 1" and "Technical Report…

Slater, Jana Kay

57

The National Evaluation of School Nutrition Programs. Final Report - Executive Summary.  

ERIC Educational Resources Information Center

This is a summary of the final report of a study (begun in 1979) of the National School Lunch, School Breakfast, and Special Milk Programs. The major objectives of the evaluation were to (1) identify existing information on the school nutrition programs; (2) identify determinants of participation in the programs and develop statistical models for…

Radzikowski, Jack

58

Reliably Evaluating Summaries of Twitter Timelines Dominic Rout and Kalina Bontcheva and Mark Hepple  

E-print Network

Reliably Evaluating Summaries of Twitter Timelines Dominic Rout and Kalina Bontcheva and Mark Regent Court, 211 Portobello, Sheffield, S1 4DP, United Kingdom Abstract The primary view of the Twitter of personal timelines. 1 Introduction In 2011, the widely popular microblogging Twitter service had 100

Bontcheva, Kalina

59

Summary of genetic data collected for rapid response Chinook salmon assignment, and evaluation of new  

E-print Network

Summary of genetic data collected for rapid response Chinook salmon assignment, and evaluation;2 INTRODUCTION The Sacramento River system supports four distinct "runs" of Chinook salmon (Oncorhynchus tshawytscha): fall run, late-fall run, spring run, and winter run. Winter run Chinook salmon leave the ocean

60

National Home Start Evaluation Interim Report VI. Executive Summary: Findings and Recommendations.  

ERIC Educational Resources Information Center

This is an executive summary of the interim report on National Home Start Evaluation. Home Start, a federally-funded 3-year (1972-1975) home-based demonstration program for low-income families with 3- to 5-year-old children was designed to enhance a mother's skills in dealing with her own children and to provide comprehensive social-emotional,…

Love, John M.; And Others

61

A Summary of Six Major Evaluation Reports on Follow Through in Philadelphia, 1973-l1974.  

ERIC Educational Resources Information Center

This report is a non-technical summary of six major evaluation reports on the Follow Through Program in Philadelphia, 1973-74. Positive findings are presented in the areas of pupil achievement, teacher and pupil continuance and pupil absence, and supportive services and parent involvement. The Follow Through Program in Philadelphia is comprised of…

Goodwin, Judith

62

Method for cleaning performance evaluation using stable isotopes. Summary report  

SciTech Connect

The Aerospace Guidance and Metrology Center (AGMC) at Newark Air Force Base (NAFB), Ohio, has been using cleaning agents such as 1,1,1-Trichloroethane (TCA) and 1,1,2- Trichloro 1,2,2-trifluoroethane (Freon 113) for repair of inertial guidance equipment. Both of these cleaning agents have been classified as stratospheric ozone layer depleting substance (OLDS). Therefore, AGMC is interested in replacing these with other cleaning agents such as aqueous detergents. In order to assure that reliability and maintainability levels are not degraded when OLDS are phased out, a method is required to validate that the cleaning capability of the suggested alternative is at least as good as that of an existing, proven cleaning agent. The current methods used by AGMC to evaluate cleanliness are not effective when the parts being cleaned are composed of irregular or severe geometrics as is the case for precision gyroscopes and accelerometers repaired at AGMC. Therefore, AGMC funded Battelle to develop and demonstrate a suitable procedure for quantifying cleanliness. This report describes a cleaning performance evaluation procedure (CPEP) based on the use of stable isotopes. The CPEP developed and demonstrated in this project involved two phases. In Phase I, the contaminants which are present in the current cleaning processes were identified to select synthetic inorganic particulate and organic contaminants. In Phase II, unique, stable-isotopes of these contaminants were introduced into the parts followed by cleaning of these parts with various cleaning agents. The amounts of these unique isotopes extracted, as determined by mass spectroscopy (MS) provides a measure of cleaning efficiency.

Chauhan, S.P.; Schumacher, P.; Chuang, J.C.

1992-08-31

63

Evaluating a normalized conceptual representation produced from natural language patient discharge summaries.  

PubMed Central

The Menelas project aimed to produce a normalized conceptual representation from natural language patient discharge summaries. Because of the complex and detailed nature of conceptual representations, evaluating the quality of output of such a system is difficult. We present the method designed to measure the quality of Menelas output, and its application to the state of the French Menelas prototype as of the end of the project. We examine this method in the framework recently proposed by Friedman and Hripcsak. We also propose two conditions which enable to reduce the evaluation preparation workload. PMID:9357694

Zweigenbaum, P.; Bouaud, J.; Bachimont, B.; Charlet, J.; Boisvieux, J. F.

1997-01-01

64

Comparisons of the Green Line Corona Brightness with the Magnetic Field Strength and the Summary Sunspot Area  

Microsoft Academic Search

Comparisons of the Fe XIV 530.3 nm coronal line brightness with the summary area of sunspots and with the magnetic field strength,extrapolated from the photospheric measurements for the 0.1 R[O ]height in the corona, are discussed. Different correlations of the green line brightness with the large-scale coronal magnetic fields and with the local fields of sunspots are found during different

O. G. Badalyan; N. G. Bludova; J. Sykora

2006-01-01

65

Comparisons of the green-line corona brightness with the magnetic field strength and the summary sunspot area  

Microsoft Academic Search

Comparisons of the Fe XIV 530.3 nm coronal emission line brightness with the summary area of sunspots and the magnetic field strength (extrapolated from the photospheric measurements to the 1.1 R&sun; distance in the corona), are discussed. Different correlations of the coronal green line brightness (CGLB) with the large-scale coronal magnetic fields and the local fields of sunspots are found

O. G. Badalyan; N. G. Bludova; J. Sýkora

2007-01-01

66

Summary of a Competency Based, Field Centered, Systems Approach to Elementary Teacher Education. Summary of the Final Report.  

ERIC Educational Resources Information Center

A competency-based, field-centered systems approach to elementary school teacher education was designed to bring about specified, measurable outcomes, to have evidence of its effectiveness continually available, and to be adaptive in the light of that evidence. The model was separated into two interdependent parts, the instructional model and the…

Northwest Regional Educational Lab., Portland, OR.

67

Evaluation of workers exposure to magnetic fields  

NASA Astrophysics Data System (ADS)

Following ICNIRP Guidelines of 1998, European Parliament in 2004 has stated the reference levels for workers exposure to electromagnetic fields. In low frequency regime, due to the nature of the basic mechanism of short term interaction, the exposure limits are based on the values of induced eddy currents inside human body, thus electromagnetic simulation is an important tool for the assessment of electromagnetic field exposure. This paper presents a method for computing eddy currents inside human body and applies the method to the evaluation of eddy currents induced by a resistance spot welding system. A comparison between results obtained with two different models of human body and with different discretization levels is performed and results are discussed.

Canova, A.; Freschi, F.; Repetto, M.

2010-11-01

68

Summary of Field Measurement on UF6 Cylinders Using Electro-Mechanically Cooled Systems  

SciTech Connect

Measurement of the enrichment of solid state UF6 stored within large metal cylinders is a task commonly performed by plant operators and inspectors. The measurement technologies typically used range from low-resolution, high-efficiency sodium iodide detectors to high-resolution, moderate-efficiency high-purity germanium (HPGe) detectors. The technology used and methods deployed are dependent upon the material being measured, environmental conditions, time constraints, and measurement-precision requirements. Operators and inspectors typically use specially designed, HPGe detectors that are cooled with liquid nitrogen in situations where high-resolution measurements are required. However, the requirement for periodically refilling the system with liquid nitrogen makes remote usage cumbersome and slow. The task of cooling the detector reduces the available time for the inspector to perform other safeguards activities while on site. If the inspector has to reduce the count time for each selected cylinder to ensure that all preselected cylinders are measured during the inspection, the resulting measurement uncertainties may be increased, making it more difficult to detect and verify potential discrepancies in the operator's declarations. However, recent advances in electromechanically cooled HPGe detectors may provide the inspector with an improved verification tool by eliminating the need for liquid nitrogen. This report provides a summary of test results for field measurements performed using electromechanically cooled HPGe detectors on depleted, natural, and low-enriched uranium cylinders. The results of the study provide valuable information to inspectors and operators regarding the capabilities and limitations of electromechanically cooled systems based on true field-measurement conditions.

McGinnis, Brent R [ORNL; Smith, Steven E [ORNL; Solodov, Alexander A [ORNL; Whitaker, J Michael [ORNL; Morgan, James B [ORNL; MayerII, Richard L. [USEC, Inc.; Montgomery, J. Brent [U.S. Enrichment Corporation Paducah Gaseous Diffusion Plant

2009-01-01

69

A generic method for the evaluation of interval type-2 fuzzy linguistic summaries.  

PubMed

Linguistic summarization has turned out to be an important knowledge discovery technique by providing the most relevant natural language-based sentences in a human consistent manner. While many studies on linguistic summarization have handled ordinary fuzzy sets [type-1 fuzzy set (T1FS)] for modeling words, only few of them have dealt with interval type-2 fuzzy sets (IT2FS) even though IT2FS is better capable of handling uncertainties associated with words. Furthermore, the existent studies work with the scalar cardinality based degree of truth which might lead to inconsistency in the evaluation of interval type-2 fuzzy (IT2F) linguistic summaries. In this paper, to overcome this shortcoming, we propose a novel probabilistic degree of truth for evaluating IT2F linguistic summaries in the forms of type-I and type-II quantified sentences. We also extend the properties that should be fulfilled by any degree of truth on linguistic summarization with T1FS to IT2F environment. We not only prove that our probabilistic degree of truth satisfies the given properties, but also illustrate by examples that it provides more consistent results when compared to the existing degree of truth in the literature. Furthermore, we carry out an application on linguistic summarization of time series data of Europe Brent Spot Price, along with a comparison of the results achieved with our approach and that of the existing degree of truth in the literature. PMID:25137691

Boran, Fatih Emre; Akay, Diyar

2014-09-01

70

A summary of the research program in the broad field of electronics  

NASA Technical Reports Server (NTRS)

Summary reports of research projects covering solid state materials, semiconductors and devices, quantum electronics, plasmas, applied electromagnetics, electrical engineering systems to include control communication, computer and power systems, biomedical engineering and mathematical biosciences.

1972-01-01

71

Governor's Educator Excellence Grant (GEEG) Program: Year One Evaluation Report. Policy Evaluation Report. [Executive Summary  

ERIC Educational Resources Information Center

This report presents findings stemming from the first-year evaluation of the Governor's Educator Excellence Grant (GEEG) program, one of several statewide performance incentive programs in Texas. In the fall of 2006, the GEEG program made available non-competitive, three-year grants to 99 schools ranging from $60,000 to $220,000 per year. Grants…

Springer, Matthew G.; Podgursky, Michael J.; Lewis, Jessica L.; Ehlert, Mark W.; Gardner, Catherine G.; Ghoshdastidar, Bonnie; Lopez, Omar S.; Patterson, Christine H.; Taylor, Lori L.

2007-01-01

72

Field evaluation of prototype electrofibrous filters  

SciTech Connect

New prototype electrofibrous filters were designed, built and evaluated in laboratory tests and in field installations. Two prototypes were designed for use in nuclear ventilation ducts as prefilters to HEPA filters. One prototype is designed to be a permanent component of the ventilation system while the other is a disposable unit. The disposable electrofibrous prefilter was installed in the exhaust stream of a glove box in which barrels of uranium turnings are burned. Preliminary tests show the disposal prefilter is effectively prolonging the HEPA filter life. An earlier prototype of the rolling prefilter was upgraded to meet the increased requirements for installation in a nuclear facility. This upgraded prototype was evaluated in the fire test facility at LLNL and shown to be effective in protecting HEPA filters from plugging under the most severe smoke conditions. The last prototype described in this report is a recirculating air filter. After demonstrating a high performance in laboratory tests the unit was shipped to Savannah River where it is awaiting installation in a Pu fuel fabrication facility. An analysis of the particulate problem in Savannah River indicates that four recirculating air filter will save $172,000 per year in maintenance costs.

Kuhl, W.D.; Bergman, W.; Biermann, A.H.; Lum, B.Y.

1982-09-30

73

Satellite power system: Concept development and evaluation program. Volume 3: Power transmission and reception. Technical summary and assessment  

NASA Technical Reports Server (NTRS)

Efforts in the DOE/NASA concept development and evaluation program are discussed for the solar power satellite power transmission and reception system. A technical summary is provided together with a summary of system assessment activities. System options and system definition drivers are described. Major system assessment activities were in support of the reference system definition, solid state system studies, critical technology supporting investigations, and various system and subsystem tradeoffs. These activities are described together with reference system updates and alternative concepts for each of the subsystem areas. Conclusions reached as a result of the numerous analytical and experimental evaluations are presented. Remaining issues for a possible follow-on program are identified.

Dietz, R. H.; Arndt, G. D.; Seyl, J. W.; Leopold, L.; Kelley, J. S.

1981-01-01

74

Hanford 100-D Area Biostimulation Soluble Substrate Field Test: Interim Data Summary for the Substrate Injection and Process Monitoring Phases of the Field Test  

SciTech Connect

Pacific Northwest National Laboratory is conducting a treatability test designed to demonstrate that in situ biostimulation can be applied to help meet cleanup goals in the Hanford Site 100-D Area. The in situ biostimulation technology is intended to provide supplemental treatment upgradient of the In Situ Redox Manipulation (ISRM) barrier by reducing the concentration of the primary oxidizing species in groundwater (i.e., nitrate and dissolved oxygen) and chromate, and thereby increasing the longevity of the ISRM barrier. This report summarizes the initial results from field testing of an in situ biological treatment zone implemented through injection of a soluble substrate. The field test is divided into operational phases that include substrate injection, process monitoring, and performance monitoring. The results summarized herein are for the substrate injection and process monitoring phase encompassing the first approximately three months of field testing. Performance monitoring is ongoing at the time this report was prepared and is planned to extend over approximately 18 months. As such, this report is an interim data summary report for the field test. The treatability testing has multiple objectives focused on evaluating the performance of biostimulation as a reducing barrier for nitrate, oxygen, and chromate. The following conclusions related to these objectives are supported by the data provided in this report. Substrate was successfully distributed to a radius of about 15 m (50 ft) from the injection well. Monitoring data indicate that microbial growth initiated rapidly, and this rapid growth would limit the ability to inject substrate to significantly larger zones from a single injection well. As would be expected, the uniformity of substrate distribution was impacted by subsurface heterogeneity. However, subsequent microbial activity and ability to reduce the targeted species was observed throughout the monitored zone during the process monitoring period, and low nitrate and oxygen concentrations were maintained. Chromate concentrations in the treatment zone began to increase about two months after substrate injection, up to about 30 percent of the background concentration upgradient of the test site. The performance monitoring phase will provide additional data to interpret the performance of the biostimulation process and information for scale-up as a reducing barrier.

Truex, Michael J.; Vermeul, Vincent R.; Mackley, Rob D.; Fritz, Brad G.; Mendoza, Donaldo P.; Johnson, Christian D.; Elmore, Rebecca P.; Brockman, Fred J.; Bilskis, Christina L.

2008-06-01

75

Hazardous gas model evaluation with field observations  

NASA Astrophysics Data System (ADS)

Fifteen hazardous gas models were evaluated using data from eight field experiments. The models include seven publicly available models (AFTOX, DEGADIS, HEGADAS, HGSYSTEM, INPUFF, OB/DG and SLAB), six proprietary models (AIRTOX, CHARM, FOCUS, GASTAR, PHAST and TRACE), and two "benchmark" analytical models (the Gaussian Plume Model and the analytical approximations to the Britter and McQuaid Workbook nomograms). The field data were divided into three groups—continuous dense gas releases (Burro LNG, Coyote LNG, Desert Tortoise NH 3-gas and aerosols, Goldfish HF-gas and aerosols, and Maplin Sands LNG), continuous passive gas releases (Prairie Grass and Hanford), and instantaneous dense gas releases (Thorney Island freon). The dense gas models that produced the most consistent predictions of plume centerline concentrations across the dense gas data sets are the Britter and McQuaid, CHARM, GASTAR, HEGADAS, HGSYSTEM, PHAST, SLAB and TRACE models, with relative mean biases of about ±30% or less and magnitudes of relative scatter that are about equal to the mean. The dense gas models tended to overpredict the plume widths and underpredict the plume depths by about a factor of two. All models except GASTAR, TRACE, and the area source version of DEGADIS perform fairly well with the continuous passive gas data sets. Some sensitivity studies were also carried out. It was found that three of the more widely used publicly-available dense gas models (DEGADIS, HGSYSTEM and SLAB) predicted increases in concentration of about 70% as roughness length decreased by an order of magnitude for the Desert Tortoise and Goldfish field studies. It was also found that none of the dense gas models that were considered came close to simulating the observed factor of two increase in peak concentrations as averaging time decreased from several minutes to 1 s. Because of their assumption that a concentrated dense gas core existed that was unaffected by variations in averaging time, the dense gas models predicted, at most, a 20% increase in concentrations for this variation in averaging time.

Hanna, S. R.; Chang, J. C.; Strimaitis, D. G.

76

Evaluation of the measurement equipment for electromagnetic fields in the near-field and far-field zones  

Microsoft Academic Search

Summary form only given. Almost all measurements for assessment of electromagnetic radiation effect on human health are practically made in the near-field and intermediate zones around the emitter. However, the equations of classic electrodynamics could not be used for calculating the electromagnetic radiation (EMR) in the above mentioned zones. Unfortunately, the equipment used for the radiofrequency (RF), and microwave ranges

M. S. Israel; P. D. Chobanov

2000-01-01

77

11/13/11 Course Evaluations: Course Page 1/3https://webapps.fas.harvard.edu/course_evaluation_reports/fas/new_course_summary.html?course_i...  

E-print Network

11/13/11 Course Evaluations: Course Page 1/3https://webapps.fas.harvard.edu/course_evaluation_reports/fas/new_course_summary.html?course 152: Discrete Mathematics Fall Term 2008 Change Term Benchmarks ? Type: Division Department Course Group Course Size update Range: Fall 2008 Three years prior to and including Fall 2008 Mean

Stange, Katherine E.

78

Creation and Evaluation of EMR-based Paper Clinical Summaries to Support HIV-Care in Uganda, Africa  

PubMed Central

Purpose Getting the right information to providers can improve quality of care. We set out to provide patient-specific Electronic Medical Record (EMR)-based clinical summaries for providers taking care of HIV-positive adult patients in the resource-limited setting of Mbarara, Uganda. Methods We evaluated the impact of implementing these clinical summaries using time-motion techniques and provider surveys. Results After implementation of EMR-based clinical summaries, providers spent more time in direct care of patients (2.9 vs 2.3 minutes, p<0.001), and the length of patient visits was reduced by 11.5 minutes. Survey respondents indicated that clinical summaries improved care, reduced mistakes, and were generally accurate. Current antiretroviral medication, patient identifying information, adherence information, current medication, and current medical problems were among the highest-rated elements of the summary. Conclusions By taking advantage of data stored in EMRs, efficiency and quality of care can be improved through clinical summaries, even in settings with limited resources. PMID:20036193

Were, Martin C.; Shen, Changyu; Bwana, Mwebesa; Emenyonu, Nneka; Musinguzi, Nicholas; Nkuyahaga, Frank; Kembabazi, Annet; Tierney, William M.

2010-01-01

79

Development of KSC program for investigating and generating field failure rates. Volume 1: Summary and overview  

NASA Technical Reports Server (NTRS)

A summary of the KSC program for investigating the reliability aspects of the ground support activities is presented. An analysis of unsatisfactory condition reports (RC), and the generation of reliability assessment of components based on the URC are discussed along with the design considerations for attaining reliable real time hardware/software configurations.

Bean, E. E.; Bloomquist, C. E.

1972-01-01

80

Summary report on reprocessing evaluation of selected inactive uranium mill tailings sites  

SciTech Connect

Sandia National Laboratories has been assisting the Department of Energy in the Uranium Mill Tailings Remedial Actions Program (UMTRAP) the purpose of which is to implement the provisions of Title I of Public Law 95-604, Uranium Mill Tailings Radiation Control Act of 1978.'' As part of this program, there was a need to evaluate the mineral concentration of the residual radioactive materials at some of the designated processing sites to determine whether mineral recovery would be practicable. Accordingly, Sandia contracted Mountain States Research and Development (MSRD), a division of Mountain States Mineral Enterprises, to drill, sample, and test tailings at 12 sites to evaluate the cost of and the revenue that could be derived from mineral recovery. UMTRAP related environmental and engineering sampling and support activities were performed in conjunction with the MSRD operations. This summary report presents a brief description of the various activities in the program and of the data and information obtained and summarizes the results. 8 refs., 9 tabs.

Not Available

1983-09-01

81

Staying on Course: Three-Year Results of the National Guard Youth ChalleNGe Evaluation. Executive Summary  

ERIC Educational Resources Information Center

High school dropouts face an uphill battle in a labor market that increasingly rewards skills and postsecondary credentials: they are more likely than their peers to need public assistance, be arrested or incarcerated, and less likely to marry. This executive summary summarizes results from a rigorous evaluation of the National Guard Youth…

Millenky, Megan; Bloom, Dan; Muller-Ravett, Sara; Broadus, Joseph

2011-01-01

82

A summary of 22 Years of Fish Screen Evaluation in the Yakima River Basin, Summary Report 1985-2007.  

SciTech Connect

Sixty fish screen facilities were constructed in the Yakima River basin between 1985 and 2006 as part of the Northwest Power and Conservation Council plan to mitigate the effects of federal hydroelectric projects on fish and wildlife populations. This report summarizes evaluations of some of those and other fish screen facilities conducted by Pacific Northwest National Laboratory (PNNL) from 1985 through 2006. The objective of these studies was to determine if the newly designed and constructed fish screens were effective at providing juvenile salmonids safe passage past irrigation diversions. To answer that question, PNNL conducted release-and-catch studies at eight Phase I sites in the Yakima River basin. Increasing concerns about the impacts of hatchery fish releases on the wild fish population, as well as the cost and time necessary to perform these kinds of biological studies at more than 60 planned Phase II sites, required development of techniques to evaluate the effectiveness of the sites without releasing fish. The new techniques involved collecting information on screen design, operation, and effectiveness at guiding fish safely through the fish screen facility. Performance measures including water velocities and passage conditions provide a good alternative to biological studies at significantly lower cost and time. Physical techniques were used at all 10 Phase I and 28 Phase II sites evaluated by PNNL over the following 19 years. Results of these studies indicate the Phase I and II fish screen facilities are designed and capable of providing safe passage for juvenile salmonids so long as construction, maintenance, and operations meet the criteria used in the design of each site and the National Marine Fisheries Service criteria for juvenile fish screen design.

Chamness, Mickie A. [Pacific Northwest National Laboratory

2007-12-03

83

Magnetic field of Mars: Summary of results from the aerobraking and mapping orbits  

Microsoft Academic Search

The Mars Global Surveyor (MGS) Magnetic Field Investigation was designed to provide fast vector measurements of the ambient magnetic field in the near-Mars environment and over a wide dynamic range. The fundamental objectives of this investigation were to (1) establish the nature of the magnetic field of Mars; (2) develop appropriate models for its representation; and (3) map the Martian

J. E. P. Connerney; P. Wasilewski; R. P. Lin; D. Mitchell; K. A. Anderson; C. W. Carlson; J. McFadden; H. Rème; C. Mazelle; D. Vignes; S. J. Bauer; P. Cloutier; N. F. Ness

2001-01-01

84

Compilation and summary of technical and economic assessments in the field of energy storage  

SciTech Connect

Information is presented which was extracted from various assessments of energy storage technologies conducted during the past four years, primarily under the auspices of the Office of Energy Systems Research and Development (formerly the Division of Energy Storage Systems). A thorough search of the relevant literature was conducted using the DOE/RECON computerized data base and other sources. Only tabular or graphic material was abstracted from the documents. The material has been organized in two ways: by the intended end use, i.e., vehicles, utility load leveling, residential load leveling, industrial, and solar, and within each end use, by technology. The summary tables attempt to compare the results of different studies of the same technology or end use. No attempt is made to summarize the conclusions of each individual study, but rather to point out areas of agreement or disagreement between them. The reader should be aware of the risks in making comparisons between studies conducted by researchers with possibly differing purposes and assumptions. Any conclusions based on the summary sections are more indicative than definitive.

DeVries, J.

1981-10-01

85

Evaluation of Biodiesel Fuel: Field Test.  

National Technical Information Service (NTIS)

This report summarizes phase 2 of a Montana Department of Transportation (MDT) research project examining technical issues related to the usage of biodiesel in the state. The results of a small-scale field test involving the use of 20 percent biodiesel (B...

C. Strong, D. Shukla

2004-01-01

86

Evaluation of lightning induced magnetic fields inside reinforced concrete buildings  

E-print Network

Evaluation of lightning induced magnetic fields inside reinforced concrete buildings C. Miry, E of a reinforced concrete building against lightning induced effects is analyzed. Measurements of magnetic fields. Keywords-component: lightning currents, magnetic field, reinforced concrete buildings, numerical analysis I

87

Supplemental summary of cutoff rigidities calculated using the international geomagnetic reference field for various epochs  

Microsoft Academic Search

Tables of cosmic-ray cutoff rigidities using the trajectory-tracing technique are given for three epochs of the geomagnetic field. These values have been determined utilizing the International Geomagnetic Reference Field with time derivatives applied so that the coefficients for the field model are appropriate for the following epochs: 1965.0, 1970.0, and 1975.0. Each table includes the geographic coordinates and L value

M. A. Shea; D. F. Smart

1983-01-01

88

The summary database system for the RFX reversed field pinch experiment  

SciTech Connect

The RFX Summary Database System contains the most important experimental data, and provides tools to collect and insert the data and to interactively study their dependence. It was developed to allow a fast search for shots with given characteristics for follow-up, detailed shot analysis, and study of the scaling laws of the RFX plasmas. The database uses the Rdb/VMS relational database and is accessed using Structured Query Language syntax. A program automatically inserts the most important data for each shot while the users can access the database with their own programs using high-level routines. An Interactive Data Language interface to the database allows the users to interactively insert and extract data from the database, combine, or modify the data as they want, plot and fit the extracted or computed data, and perform general multiple regression analysis.

Innocente, P. (Istituto Gas Ionizzati del CNR, Ass. Euratom-ENEA-CNR, 35020 Padova (Italy)); Klare, K. (Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States))

1995-01-01

89

Condensing Hybrid Water Heater Monitoring Field Evaluation  

SciTech Connect

This paper summarizes the Mascot home, an abandoned property that was extensively renovated. Several efficiency upgrades were integrated into this home, of particular interest, a unique water heater (a Navien CR240-A). Field monitoring was performed to determine the in-use efficiency of the hybrid condensing water heater. The results were compared to the unit's rated efficiency. This unit is Energy Star qualified and one of the most efficient gas water heaters currently available on the market.

Maguire, J.; Earle, L.; Booten, C.; Hancock, C. E.

2011-10-01

90

Field Evaluation of an Online Foster Parent Training System  

ERIC Educational Resources Information Center

The authors developed and evaluated an online foster parent training system designed specifically for low-bandwidth Internet connections and individuals with limited Internet/computer experience. After preliminary onsite evaluations, a 2-week field test was conducted to evaluate the following dimensions: foster parents' pre- to post-test scores on…

Buzhardt, Jay; Heitzman-Powell, Linda

2006-01-01

91

Meeting Summary  

Cancer.gov

MEETING SUMMARY PRESIDENT'S CANCER PANEL THE NATIONAL DIALOGUE ON CANCER RESPONDS TO VOICES OF A BROKEN SYSTEM D e c e m b e r 7 , 2 0 0 2 W a s h i n g t o n , D C OVERVIEW The President’s Cancer Panel (PCP) was chartered to monitor and evaluate

92

Structural interpretation of the Coso geothermal field. Summary report, October 1986-August 1987  

SciTech Connect

The Coso Geothermal Field, located east of the Sierra Nevada at the northern edge of the high Mojave Desert in Southern California, is an excellent example of a structurally controlled geothermal resource.

Austin, C.F.; Moore, J.L.

1987-09-01

93

Summary of gas bearing applications in the field of space electric power systems  

NASA Technical Reports Server (NTRS)

The testing and evaluation of different bearing systems to be used in the turbine-alternator-compressor of a closed Brayton cycle electric power system are described. A specification of each bearing is presented along with the results of the evaluation and a comparison of the merits and limitations of each bearing. The contribution of improved bearings to the power supply reliability, potential life, and ability to accept shock and vibration is examined.

Dunn, J. H.; Ream, L. W.

1972-01-01

94

Summary of modeling studies of the East Olkaria geothermal field, Kenya  

SciTech Connect

A detailed three-dimensional well-by-well model of the East Olkaria geothermal field in Kenya has been developed. The model matches reasonably well the flow rate and enthalpy data from all wells, as well as the overall pressure decline in the reservoir. The model is used to predict the generating capacity of the field, well decline, enthalpy behavior, the number of make-up wells needed and the effects of injection on well performance and overall reservoir depletion. 26 refs., 10 figs.

Bodvarsson, G.S.; Pruess, K.; Stefansson, V.; Bjornsson, S.; Ojiambo, S.B.

1985-03-01

95

Evaluation of a cooling-lake fishery. Volume 1. Introduction, water quality, and summary. Final report  

SciTech Connect

Volume 1 consists of (1) a statement of project objectives and a detailed description of the study areas, (2) a comparison of water quality in Lake Sangchris, a cooling lake, and Lake Shelbyville, a nearby flood control reservoir, and (3) a summary of the other three volumes.

Larimore, R.W.; McNurney, J.M.

1980-07-01

96

Summary of gas bearing applications in the field of space electric power systems.  

NASA Technical Reports Server (NTRS)

The NASA-Lewis Research Center is investigating the technology of closed Brayton cycle electric power systems for space. The turbine-alternator-compressor power conversion unit for such a system is designated Brayton Rotating Unit (BRU). In parallel to power system testing, a BRU improvement effort was initiated. A major portion of this effort involves the testing and evaluation of different bearing systems. A description of each bearing is presented along with results of the evaluation to date and a comparison of the merits and limitations of each bearing.

Dunn, J. H.; Ream, L. W.

1972-01-01

97

Summary and Conclusions James P. Heaney, Robert Pitt, and Richard Field  

E-print Network

Management More sustainable water systems can be achieved by promoting water conservation to reduce the amount of water that must be imported into cities. Outdoor water use is the largest source of variability. Chapter 2: Principles of Integrated Urban Water Management The results of the evaluation of the nature

Pitt, Robert E.

98

A field evaluation of two suggested Aedes triseriatus oviposition attractants.  

PubMed

Two reported oviposition attractants for Aedes triseriatus, fish oil emulsion and water of high optical density, were evaluated in ovitraps in the field. Solutions of fish oil emulsion at 1% repelled ovipositing mosquitoes, whereas water containing vegetable dye increased oviposition up to 4-fold over control traps. Laboratory bioassays with fish oil emulsion at both 1 and 5% confirmed the field results. PMID:2098483

Beehler, J W; DeFoliart, G R

1990-12-01

99

Post-occupancy evaluation and field studies of thermal comfort  

Microsoft Academic Search

The similarities and differences are explored in both the aims and the methods between post-occupancy evaluations and field studies of thermal comfort in buildings. The interpretations of the field study results are explored, especially the ways the results differ from laboratory experiments. Particular attention is drawn to the dynamic nature of the interaction between buildings and their occupants. Answers to

Fergus Nicol; Susan Roaf

2005-01-01

100

A summary of modeling studies of the Nesjavellir geothermal field, Iceland  

SciTech Connect

The Nesjavellir geothermal field in Iceland is being developed to provide the capital city of Reykjavik and surrounding areas with hot water for space heating. In the last few years, many wells have been drilled at the site and various geothermal studies have been conducted. The main upflow to the system is underneath the nearby Hengill volcano, and the natural recharge rate and enthalpy are estimated to be 65 kg/s and 1850 kJ/kg, respectively. An extensive vapor zone is believed to be present in the upflow region. Permeabilities and porosities of the system range between 1 and 50 md and 1 and 10 percent, respectively. In this paper, the characteristics of the Nesjavellir field are described and a three-dimensional numerical model of the resource in discussed. 15 refs., 11 figs., 1 tab.

Bodvarsson, G.S.; Bjornsson, S.; Gunnarsson, A.; Gunnlaugsson, E.; Sigurdsson,, O. Stefansson, V.; Steingrimsson, B.

1988-01-01

101

A summary of modeling studies of the Nesjavellir Geothermal Field, Iceland  

SciTech Connect

The Nesjavellir geothermal field in Iceland is being developed to provide the capital city of Reykjavik and surrounding areas with hot water for space heating. In the last few years, many wells have been drilled at the site and various geothermal studies have been conducted. The main upflow to the system is underneath the nearby Hengill volcano, and the natural recharge rate and enthalpy are estimated to be 65 kg/s and 1850 kJ/kg, respectively. An extensive vapor zone is believed to be present in the upflow region. Permeabilities and porosities of the system range between 1 and 50 md and 1 and 10 percent, respectively. In this paper, the characteristics of the Nesjavellir field are described and a three-dimensional numerical model of the resource is discussed.

Bodvarsson, G.S.; Bjornsson, S.; Gunnarsson, A.; Gunnlaugsson, E.; Sigurdsson, O.; Stefansson, V.; Steingrimsson, B.

1988-01-01

102

A Reactive Soil Moisture Sensor Network: Design and Field Evaluation  

E-print Network

A Reactive Soil Moisture Sensor Network: Design and Field Evaluation Rachel Cardell-Oliver Keith of soil moisture and evaluates its effectiveness. A novel feature of our solution is its reactivity to the environment: when rain falls and soil moisture is changing rapidly, measurements are collected frequently

Cardell-Oliver, Rachel

103

Summary of seasonal thermal energy storage field test projects in the United States  

SciTech Connect

Seasonal thermal energy storage (STES) involves storage of available heat or chill for distribution at a later time to meet thermal loads. STES can reduce energy consumption, peak energy demand, and emissions of carbon dioxide to the atmosphere over conventional systems. It is estimated that full-scale application of STES would provide 2% to 4% of total energy needs in the United States. One STES technology, aquifer thermal energy storage (ATES), has been determined to be the most cost-effective option in the United States when site conditions enable its use. ATES has been analyzed in the laboratory and investigated in the field in the United States since the program was established at Pacific Northwest Laboratory (PNL) in 1979. Two field test facilities (FTFs), one for heating ATES at the University of Minnesota and the other for cooling ATES at the University of Alabama, have been primary testing grounds for US ATES research. Computer models have been developed to analyze the complex thermal and fluid dynamics. Extensive monitoring of FTFs has provided verification of and refinements to the computer models. The areas of geochemistry and microbiology have been explored as they apply to the aquifer environment. In general, the two FTFs have been successful in demonstrating the steps needed to make an ATES system operational.

Johnson, B.K.

1989-07-01

104

Urban Dispersion Program MSG05 Field Study: Summary of Tracer and Meteorological Measurements  

SciTech Connect

The Urban Dispersion Program is a multi-year project, funded by the U.S. Department of Homeland Security, to better understand the flow and dispersion of airborne contaminants through and around the deep street canyons of New York City. The first tracer and meteorological field study was a limited study conducted during March 2005 near the Madison Square Garden in midtown Manhattan. Six safe, inert, gaseous perfluorocarbon tracers were released simultaneously at five street-level locations during two experimental days. In addition to collecting tracer data, meteorological data were also collected. Brookhaven National Laboratory conducted the bulk of the tracer and meteorological field efforts with Pacific Northwest National Laboratory and Stevens Institute of Technology assisting by measuring the vertical profile of winds. The Environmental Protection Agency worked with Brookhaven National Laboratory in accomplishing the personal exposure component of the study. This report presents some results from this analysis. In general, different release locations showed vastly different plume footprints for tracer materials, and the situation was made very complex with upwind and/or crosswind transport of tracer near street-level for the different release locations. Overall wind speeds and directions upwind and over the city were generally constant throughout each of the two experimental periods.

Allwine, K Jerry; Flaherty, Julia E.

2006-08-09

105

An evaluation of recent internal field models. [of earth magnetism  

NASA Technical Reports Server (NTRS)

The paper reviews the current status of internal field models and evaluates several recently published models by comparing their predictions with annual means of the magnetic field measured at 140 magnetic observatories from 1973 to 1977. Three of the four models studied, viz. AWC/75, IGS/75, and Pogo 8/71, were nearly equal in their ability to predict the magnitude and direction of the current field. The fourth model, IGRF 1975, was significantly poorer in its ability to predict the current field. All models seemed to be able to extrapolate predictions quite well several years outside the data range used to construct the models.

Mead, G. D.

1979-01-01

106

The GH-IGF-I Response to Typical Field Sports Practices in Adolescent Athletes: A Summary.  

PubMed

The present study compares previous reports on the effect of "real-life" typical field individual (ie, cross-country running and wrestling-representing combat versus noncombat sports) and team sports (ie, volleyball and water polo-representing water and land team sports) training on GH and IGF-1, the main growth factors of the GH?IGF axis, in male and female late pubertal athletes. Cross-country running practice and volleyball practice in both males and females were associated with significant increases of circulating GH levels, while none of the practices led to a significant increase in IGF-I levels. The magnitude (percent change) of the GH response to the different practices was determined mainly by preexercise GH levels. There was no difference in the training-associated GH response between individual and team sports practices. The GH response to the different typical practices was not influenced by the practice-associated lactate change. Further studies are needed to better understand the effect of real-life typical training in prepubertal and adolescent athletes and their role in exercise adaptations. PMID:25372377

Eliakim, Alon; Cooper, Dan M; Nemet, Dan

2014-11-01

107

FIELD EVALUATION OF LOW-EMISSION COAL BURNER TECHNOLOGY ON UTILITY BOILERS; VOLUME III. FIELD EVALUATION  

EPA Science Inventory

The report gives results of field tests conducted to determine the emission characteristics of a Babcock and Wilcox Circular burner and Dual Register burner (DRB). The field tests were performed at two utility boilers, generally comparable in design and size except for the burner...

108

FIELD EVALUATION OF LOW-EMISSION COAL BURNER TECHNOLOGY ON UTILITY BOILERS VOLUME III. FIELD EVALUATIONS  

EPA Science Inventory

The report gives results of field tests conducted to determine the emission characteristics of a Babcock and Wilcox Circular burner and Dual Register burner (DRB). The field tests were performed at two utility boilers, generally comparable in design and size except for the burner...

109

CONFERENCE REPORT: Summary of the Workshop on Electric Fields, Turbulence and Self-organization in Magnetized Plasmas (EFTSOMP) 2009: 6-7 July 2009, Sofia, Bulgaria  

NASA Astrophysics Data System (ADS)

The Workshop on Electric Fields, Turbulence and Self-organization in Magnetized Plasmas (EFTSOMP) is held annually as a satellite meeting of the EPS Plasma Physics conference. The aim is to foster discussion on the above topic and allow dissemination of recent results and concepts. The paper represents a summary of the talks presented at the conference.

Zoletnik, S.; Agostini, M.; Belonohy, E.; Bonhomme, G.; Dunai, D.; Lang, P.; Garcia-Martinez, P.; Gurchenko, A. D.; Hidalgo, C.; Kendl, A.; Kocsis, G.; Maszl, Ch.; McCormick, K.; Müller, H. W.; Spagnolo, S.; Solano, E. R.; Soldatov, S.; Spolaore, M.; Xu, Y.

2010-04-01

110

Table 1. Summary of weed seedbank distribution, diversity (number of species per field) and density across all farms Unit Total Weeds Average Highest Lowest  

E-print Network

Table 1. Summary of weed seedbank distribution, diversity (number of species per field) and density across all farms Unit Total Weeds Average Highest Lowest Total Identified Weed Species number 67 13 21 5 Total Identified Weed Species Densityb no./ft 2 274 1081 30 Total Identified Broadleaf Weed Species

Hayden, Nancy J.

111

The Effects of Head Start Health Services: Executive Summary of the Head Start Health Evaluation.  

ERIC Educational Resources Information Center

This report summarizes findings of an evaluation of Head Start health services. Chapter one presents an overview of the background of the evaluation project. Chapter two highlights findings for the major evaluation questions. These questions focus specifically on children's health status prior to entry into Head Start, health services subsequently…

Fosburg, Linda B.; And Others

112

1971 AERA Conference Summaries--I. Evaluation: The State of the Art.  

ERIC Educational Resources Information Center

Twenty-six papers on evaluation, which were presented at the 1971 American Educational Research Association Convention, are summarized. The papers range from a general overview of evaluation concepts to quite specific evaluative applications. A group of reports concerning state assessment efforts in Florida and Michigan is given separate…

Campbell, Paul B.; Beers, Joan S.

113

FIELD AND LABORATORY EVALUATION OF A WOODSTOVE DILUTION SAMPLING SYSTEM  

EPA Science Inventory

The paper discusses field and laboratory evaluation of a woodstove dilution sampling system. Two sampling methods have been developed and used by EPA to test emissions from woodstoves: both remove flue gas directly from the appliance chimney. The two methods have been developed t...

114

ADVANCING THE FIELD EVALUATIONS AND APPLICATIONS OF LANDFILL BIOREACTORS  

EPA Science Inventory

The US Environmental Protection Agency (EPA) is undertaking a long-term program to conduct field evaluations of landfill bioreactors. The near-term effort is focused on the development of appropriate monitoring strategies to ensure adequate control of the landfill bioreactors an...

115

Recovering Motion Fields: An Evaluation of Eight Optical Flow Algorithms  

Microsoft Academic Search

Evaluating the performance of optical flow algorithms has been difficult be- cause of the lack of ground-truth data sets for complex scenes. We describe a simple modification to a ray tracer that allows us to generate ground-truth motion fields for scenes of arbitrary complexity. The resulting flow maps are used to assist in the comparison of eight optical flow algorithms

Ben Galvin; Brendan Mccane; Kevin Novins; David Mason; Steven Mills

1998-01-01

116

FIELD EVALUATION OF A HIGH-VOLUME DICHOTOMOUS SAMPLER  

EPA Science Inventory

This study presents the field evaluation of a high-volume dichotomous sampler that collects coarse (PM10-2.5) and fine (PM2.5) particulate matter. The key feature of this device is the utilization of a round-nozzle virtual impactor with a 50% cutpoint at 2.5 5m to split PM10 into...

117

Project WILD Evaluation Final Report of Field Test.  

ERIC Educational Resources Information Center

The primary purpose of this evaluation was to discover what effect Project WILD had on students and teachers. These effects included changes in student learning and attitudes about wildlife as well as teachers' reactions to the Project WILD implementation and materials. The project was field tested in three states, in three demographic areas…

Fleming, M. Lynette

118

A Summary of Properties Used to Evaluate INEEL Calcine Disposal in the Yucca Mountain Repository  

SciTech Connect

To support evaluations of the direct disposal of Idaho National Engineering and Environmental Laboratory calcines to the repository at Yucca Mountain, an evaluation of the performance of the calcine in the repository environment must be performed. This type of evaluation demonstrates, through computer modeling and analysis, the impact the calcine would have on the ability of the repository to perform its function of containment of materials during the repository lifetime. This report discusses parameters that were used in the scoping evaluation conducted in FY 2003. It provides nominal values for the parameters, with explanation of the source of the values, and how the values were modified for use in repository analysis activities.

Dahl, C.A.

2003-07-14

119

Meta-analytic Evaluation of a Virtual Field Trip to Connect Middle School Students with University Scientists  

NASA Astrophysics Data System (ADS)

Although virtual field trips are becoming popular, there are few empirical studies of their impacts on student outcomes. This study reports on a meta-analytic evaluation of the impact of a virtual field trip on student perceptions of scientists. Specifically, the study examined the summary effect of zipTrips broadcasts on evaluation participants' perceptions of scientists, as well as the moderating effect of program type on program impact. The results showed statistically significant effect of each broadcast, as well as statistically significant summary (combined) effect of zipTrips on evaluation participants' perceptions of scientists. Results of the moderation analysis showed that the effect was greater for the students that participated in the evaluation of the 8th grade broadcasts, providing additional insight into the role of program variation in predicting differential program impact. This study illustrates how meta-analysis, a methodology that should be of interest to STEM education researchers and evaluation practitioners, can be used to summarize the effects of multiple offerings of the same program. Other implications for STEM educators are discussed.

Adedokun, Omolola A.; Liu, Jia; Parker, Loran Carleton; Burgess, Wilella

2014-10-01

120

Ultrawide-field Fluorescein Angiography for Evaluation of Diabetic Retinopathy  

PubMed Central

Purpose To investigate the advantages of ultrawide-field fluorescein angiography (FA) over the standard fundus examination in the evaluation of diabetic retinopathy (DR). Methods Ultrawide-field FAs were obtained in 118 eyes of 59 diabetic patients; 11 eyes with no DR, 71 eyes with nonproliferative diabetic retinopathy (NPDR), and 36 eyes with proliferative diabetic retinopathy (PDR), diagnosed by the standard method. The presence of peripheral abnormal lesions beyond the standard seven fields was examined. Results Ultrawide-field FA images demonstrated peripheral microaneurysms in six (54.5%) of 11 eyes with no DR and all eyes with moderate to severe NPDR and PDR. Peripheral retinal neovascularizations were detected in three (4.2%) of 71 eyes with NPDR and in 13 (36.1%) of 36 eyes with PDR. Peripheral vascular nonperfusion and vascular leakage were found in two-thirds of eyes with severe NPDR and PDR. Conclusions Ultrawide-field FA demonstrates peripheral lesions beyond standard fields, which can allow early detection and a close evaluation of DR. PMID:23204797

Kong, Mingui; Lee, Mee Yon

2012-01-01

121

A Summary of Evaluations for Learning and Attention Problems at a University Training Clinic  

ERIC Educational Resources Information Center

Over a five year period, a university clinic performed psychological evaluations of 102 adults (including 85 college students) who reported that they were experiencing learning or attention problems. Of 92 persons who completed the evaluation, 40 (43.5%) received no diagnosis, 7 (7.6%) received the diagnosis of ADHD, 29 (31.5%) received the…

Wierzbicki, Michael; Tyson, Clare M.

2007-01-01

122

The National Evaluation of School Nutrition Programs. Review of Research: Executive Summary.  

ERIC Educational Resources Information Center

Literature review components of the National Evaluation of School Nutrition Programs (a 30-month evaluation of the National School Lunch, School Breakfast, and Special Milk Programs) are summarized in this document. Chapters of the literature review describe the operations of school nutrition programs; examine the various methods for assessing the…

Radzikowski, Jack

123

Brine Sampling and Evaluation Program 1992--1993 report and summary of BSEP data since 1982  

SciTech Connect

This report is the last one that is currently scheduled in the sequence of reports of new data, and therefore, also includes summary comments referencing important data obtained by BSEP since 1983. These BSEP activities document and investigate the origins, hydraulic characteristics, extent, and composition of brine occurrences in the Permian Salado Formation and seepage of that brine into the excavations at the (WIPP) Waste Isolation Pilot Plant. A project concern is that enough brine might be present after sealing and closure to generate large quantities of hydrogen gas by corroding the metal in the waste drums and waste inventory. This report describes progress made during the calendar years 1992 and 1993 and focuses on four major areas: (1) monitoring of brine inflow, e.g., measuring brines recovered from holes drilled downward from the underground drifts (downholes), upward from the underground drifts (upholes), and from subhorizontal holes from the underground drifts; (2) observations of weeps in the Air Intake Shaft (AIS); (3) further characterization of brine geochemistry; and (4) additional characterization of the hydrologic conditions in the fractured zone beneath the excavations.

Deal, D.E.; Abitz, R.J. [I. T. Corp., Carlsbad, NM (United States); Belski, D.S. [USDOE Albuquerque Operations Office, Carlsbad, NM (United States). Waste Isolation Pilot Plant Project Office

1995-04-01

124

Direct evaluation of low-field mobility and access resistance in pentacene field-effect transistors  

NASA Astrophysics Data System (ADS)

Organic field-effect transistors (OFETs) suffer from limitations such as low mobility of charge carriers and high access resistance. Direct and accurate evaluation of these quantities becomes crucial for understanding the OFETs properties. We introduce the Y function method (YFM) to pentacene OFETs. This method allows us to evaluate the low-field mobility without the access or contact resistance influence. The low-field mobility is shown to be more appropriate than the currently applied field-effect mobility for the OFETs' performance evaluation. Its unique advantage is to directly suppress the contact resistance influence in individual transistors, although such contact resistance is a constant as compared to the widely accepted variable one with respect to the gate voltage. After a comparison in detail with the transmission-line method, the YFM proved to be a fast and precise alternative method for the contact resistance evaluation. At the same time, how the contact resistance affects the effective mobility and the field-effect mobility in organic transistors is also addressed.

Xu, Yong; Minari, Takeo; Tsukagoshi, Kazuhito; Chroboczek, J. A.; Ghibaudo, Gerard

2010-06-01

125

Summary of sensor evaluation for the Fusion ELectromagnetic Induction eXperiment (FELIX)  

SciTech Connect

As part of the First Wall/Blanket/Shield Engineering Test Program, a test bed called FELIX (Fusion ELectromagnetic Induction eXperiment) is now under construction at ANL. Its purpose will be to test, evaluate, and develop computer codes for the prediction of electromagnetically induced phenomenon in a magnetic environment modeling that of a fusion reaction. Crucial to this process is the sensing and recording of the various induced effects. Sensor evaluation for FELIX has reached the point where most sensor types have been evaluated and preliminary decisions are being made as to type and quantity for the initial FELIX experiments. These early experiments, the first, flat plate experiment in particular, will be aimed at testing the sensors as well as the pertinent theories involved. The reason for these evaluations, decisions, and proof tests is the harsh electrical and magnetic environment that FELIX presents.

Knott, M.J.

1982-08-01

126

INNOVATIVE METHODS FOR EMISSION-INVENTORY DEVELOPMENT AND EVALUATION: WORKSHOP SUMMARY  

EPA Science Inventory

Emission inventories are an essential tool for evaluating, managing, and regulating air pollution. Refinements and innovations in instruments that measure air pollutants, models that calculate emissions as well as techniques for data management and uncertainty assessment are nee...

127

Diagnosis, evaluation, and management of acute kidney injury: a KDIGO summary (Part 1)  

PubMed Central

Acute kidney injury (AKI) is a common and serious problem affecting millions and causing death and disability for many. In 2012, Kidney Disease: Improving Global Outcomes completed the first ever, international, multidisciplinary, clinical practice guideline for AKI. The guideline is based on evidence review and appraisal, and covers AKI definition, risk assessment, evaluation, prevention, and treatment. In this review we summarize key aspects of the guideline including definition and staging of AKI, as well as evaluation and nondialytic management. Contrast-induced AKI and management of renal replacement therapy will be addressed in a separate review. Treatment recommendations are based on systematic reviews of relevant trials. Appraisal of the quality of the evidence and the strength of recommendations followed the Grading of Recommendations Assessment, Development and Evaluation approach. Limitations of the evidence are discussed and a detailed rationale for each recommendation is provided. PMID:23394211

2013-01-01

128

The ``inverse problem`` to the evaluation of magnetic fields  

SciTech Connect

In the design of superconducting magnet elements, such as may be required to guide and focus ions in a particle accelerator, one frequently premises some particular current distribution and then proceeds to compute the consequent magnetic field through use of the laws of Biot and Savart or of Ampere. When working in this manner one of course may need to revise frequently the postulated current distribution before arriving at a resulting magnetic field of acceptable field quality. It therefore is of interest to consider an alternative (``inverse``) procedure in which one specifies a desired character for the field required in the region interior to the winding and undertakes then to evaluate the current distribution on the specified winding surface that would provide this desired field. We may note that in undertaking such an inverse procedure we would wish, on practical grounds, to avoid the use of any ``double-layer`` distributions of current on the winding surface or interface but would not demand that no fields be generated in the exterior region, so that in this respect the goal would differ in detail from that discussed by other authors, in analogy to the distribution sought in electrostatics by the so-caged Green`s equivalent stratum.

Caspi, S.; Helm, M.; Laslett, L.J.; Brady, V.

1992-12-04

129

The inverse problem'' to the evaluation of magnetic fields  

SciTech Connect

In the design of superconducting magnet elements, such as may be required to guide and focus ions in a particle accelerator, one frequently premises some particular current distribution and then proceeds to compute the consequent magnetic field through use of the laws of Biot and Savart or of Ampere. When working in this manner one of course may need to revise frequently the postulated current distribution before arriving at a resulting magnetic field of acceptable field quality. It therefore is of interest to consider an alternative ( inverse'') procedure in which one specifies a desired character for the field required in the region interior to the winding and undertakes then to evaluate the current distribution on the specified winding surface that would provide this desired field. We may note that in undertaking such an inverse procedure we would wish, on practical grounds, to avoid the use of any double-layer'' distributions of current on the winding surface or interface but would not demand that no fields be generated in the exterior region, so that in this respect the goal would differ in detail from that discussed by other authors, in analogy to the distribution sought in electrostatics by the so-caged Green's equivalent stratum.

Caspi, S.; Helm, M.; Laslett, L.J.; Brady, V.

1992-12-04

130

Field evaluation of a personal cascade impactor sampler (PCIS)  

Microsoft Academic Search

This paper presents the field evaluation of a personal cascade impactor sampler (PCIS). PCIS is a miniaturized cascade impactor, consisting of four impaction stages, followed by an after-filter. Particles are separated in the following aerodynamic particle diameter ranges: <0.25, 0.25–0.5, 0.5–1.0, 1.0–2.5 and 2.5–10?m. The PCIS operates at a flow rate of 9 liters per minute (l\\/min) using a very

Manisha Singh; Chandan Misra; Constantinos Sioutas

2003-01-01

131

Particle Bounce in a Personal Cascade Impactor: A Field Evaluation  

Microsoft Academic Search

The collection characteristics of five types of substrates (collection surfaces) used in personal cascade impactors were evaluated for particle bounce in the laboratory with lead dioxide dust, and in the field with brass pouring fume and brass grinding dust. The substrates tested were uncoated stainless steel, silicon grease-coated stainless steel, oil-saturated Millipore membrane filter, oil-saturated Teflon membrane filter and oil-saturated

WILLIAM C. HINDS; WEN-CHEN V. LIU; JOHN R. FROINES

1985-01-01

132

Experiences with the Design, Fielding, and Evaluation of a  

Microsoft Academic Search

We review the design and evaluation of a fielded communications agent that routes telephone calls for several hundred people at our organization. In an advanced mode of operation, the system performs a cost-benefit analysis to balance the priority of calls with the context-sensitive cost of interrupting users. We discuss the challenges with developing a communications agent spanning client-side software and

Eric Horvitz; Johnson Apacible; Muru Subramani; Raman Sarin; Paul Koch; JJ Cadiz; Yong Rui

2003-01-01

133

Evaluation of Vacuum Energy for Tensor Fields on Spherical Spaces  

E-print Network

The effective one-loop potential on $R^{m+1}\\times S^N$ spaces for massless tensor fields is evaluated. The Casimir energy is given as a value of $\\zeta-$ function by means of which regularization is made. In even- dimensional spaces the vacuum energy contains divergent terms coming from poles of $\\zeta(s,q)$ at $s=1$, whereas in odd-dimensional spaces it becomes finite.

E. N. Bukina; N. N. Shtykov

1997-06-25

134

Evaluations Backgrounder: A Summary of Formal Evaluations of Afterschool Programs' Impact on Academics, Behavior, Safety and Family Life  

ERIC Educational Resources Information Center

Afterschool programs have been operating for decades in communities across the country, and federal investment in afterschool has increased dramatically since the mid-1990s. However, even more investment in the field of afterschool, which includes before-school, afterschool and summer learning programs, is needed to keep up with the growing…

Afterschool Alliance, 2014

2014-01-01

135

Child Services Demonstration Center Evaluation. Summary Report. (ESEA VI-G).  

ERIC Educational Resources Information Center

Presented is the final report of Colorado's Child Services Demonstration Project, designed to develop, implement, and evaluate a team staffing program to aid children with specific learning disabilities. The program is described in terms of rationale, replication, children served, staff activities (educational diagnosis, prescriptive programing,…

Colorado State Dept. of Education, Denver.

136

Evaluation of Parent Involvement in Early Childhood Programs 1979-1980. Technical Summary, Report No. 8130.  

ERIC Educational Resources Information Center

Evaluation of parent involvement in the following ten early childhood programs in the Philadelphia school district is presented: (1) Child Care (CC); (2) Head Start (HS); (3) Parent Nursery (PN); (4) Get Set (GS); (5) Durham Child Development Center (DCD); (6) Preschool Child Development Project (PCD); (7) Original Follow Through (OFT); (8) Follow…

McKinney, John

137

Summary of the electromagnetic compatibility evaluation of the proposed satellite power system  

NASA Technical Reports Server (NTRS)

The effects of the proposed solar power satellite (SPS) operations on electronic equipment and systems by fundamental, harmonic, and intermodulation component emissions from the orbital station; and the fundamental, harmonic, and structural intermodulation emissions from the rectenna site were evaluated. The coupling and affects interactions affecting a wide spectrum of electronic equipment are considered. The primary EMC tasking areas are each discussed separately.

Morrison, E. L., Jr.; Grant, W. B.; Davis, K. C.

1980-01-01

138

Evaluation of New Texas Charter Schools: Second Interim Report (2007-10). Executive Summary  

ERIC Educational Resources Information Center

The Texas Education Agency (TEA) was awarded Charter School Program (CSP) funding in 2007, and specified that the required evaluation would focus on the experiences and outcomes of new charter schools authorized to begin serving students across 4 school years: 2006-07, 2007-08, 2008-09, and 2009-10. TEA categorizes charter schools in terms of…

Maloney, Catherine; Sheehan, Daniel; Rainey, Katharine

2011-01-01

139

Systematic Evaluation Program. Status summary report, July 31, 1983. Vol. 5, No. 7  

SciTech Connect

The status of the systematic evaluation program is presented for the following reactors: Big Rock Point reactor; Dresden-1 reactor; Dresden-2 reactor; Ginna-1 reactor; Connecticut Yankee reactor; LACBWR reactor; Millstone-1 reactor; Oyster Creek-1 reactor; Palisades-1 reactor; San Onofre-1 reactor; and Rowe Yankee reactor.

Not Available

1983-07-31

140

Conceptual design and evaluation of selected Space Station concepts: Executive summary  

NASA Technical Reports Server (NTRS)

The results of a space station conceptual design and evaluation study are summarized. The study represented a temporary focusing. Three space station configurations are characterized for user and crew requirements, operation and safety accommodations, engineering considerations including assembly and growth, structural dynamics, communications, thermal control and power systems, as well as system cost.

1983-01-01

141

Making the Transition: Interim Results of the National Guard Youth ChalleNGe Evaluation. [Executive Summary  

ERIC Educational Resources Information Center

Young people who drop out of high school face long odds of success in a labor market that increasingly values education and skills. This report presents interim results from a rigorous, ongoing evaluation of the National Guard Youth ChalleNGe Program, which aims to "reclaim the lives of at-risk youth" who have dropped out of high school. ChalleNGe…

Millenky, Megan; Bloom, Dan; Dillon, Colleen

2010-01-01

142

Chapter 1 and Chapter 1 Migrant. Evaluation Findings, 1990-91. Executive Summary.  

ERIC Educational Resources Information Center

This report describes an evaluation of the Austin (Texas) Independent School District's (AISD) Chapter 1 and Chapter 1 Migrant programs. Chapter 1 is a federally funded compensatory educational program that provided funding in 1990-91 to 25 AISD elementary schools with high concentrations of low-income students. Chapter 1 Migrant is also a…

Christner, Catherine; And Others

143

The 2001 World Trade Center Disaster - Summary and Evaluation of Experiences  

Microsoft Academic Search

Objectives: To collect and analyze data from deaths and injuries, and from evaluation of the responses by medical services and by fire, rescue, and police services 1 year after the terror attack on World Trade Center. Methodology: Epidemiologic data were collected from all involved agencies and analyzed. The authors per- sonal experience from working at the scene during the event

JOHN P. PRYOR

2003-01-01

144

Summary of Outcome Evaluation Report for Preparing Educational Training Consultants: Skills Training (PETC-1).  

ERIC Educational Resources Information Center

This report summarizes the technical report Outcome Evaluation Report for Preparing Educational Training Consultants: Skills Training (PETC-I) which presents the data collected about the three outcome studies of the PETC-I system. This information is primarily summative in nature and is designed to help those who may be considering the system as a…

George, Catherine; Green, David

145

Umatilla Basin Natural Production Monitoring and Evaluation; 1998-2002 Summary Report.  

SciTech Connect

The Umatilla Basin Natural Production Monitoring and Evaluation Project (WWNPME) was funded by Bonneville Power Administration (BPA) as directed by section 4(h) of the Pacific Northwest Electric Power Planning and Conservation Act of 1980 (P. L. 96-501). This project is in accordance with and pursuant to measures 4.2A, 4.3C.1, 7.1A.2, 7.1C.3, 7.1C.4 and 7.1D.2 of the Northwest Power Planning Council's (NPPC) Columbia River Basin Fish and Wildlife Program (NPPC 1994). Work was conducted by the Fisheries Program of the Confederated Tribes of the Umatilla Indian Reservation (CTUIR) under the Umatilla Basin Natural Production Monitoring and Evaluation Project (UBNPME). Chapter One provides an overview of the entire report and shows how the objectives of each statement of work from 1999, 2000, 2001, and 2002 contract years are organized and reported. This chapter also provides background information relevant to the aquatic resources of the Umatilla River Basin. (Figure 1-1, Tables 1-1 and 1-2). Data and reports from this and previous efforts are available on the CTUIR website http://www.umatilla.nsn.us. This project was one of several subprojects of the Umatilla River Basin Fisheries Restoration Master Plan (CTUIR 1984, ODFW 1986) orchestrated to rehabilitate salmon and steelhead runs in the Umatilla River Basin. Subprojects in additions to this project include: Watershed Enhancement and Rehabilitation; Hatchery Construction and Operation; Hatchery Monitoring and Evaluation; Satellite Facility Construction and Operations for Juvenile Acclimation and Adult Holding and Spawning; Fish Passage Construction and Operation; Juvenile and Adult Passage Facility Evaluations; Evaluation of Juvenile Salmonid Outmigration and Survival in the Lower Umatilla River Basin, and Flow Augmentation to Increase Stream Flows below Irrigation Diversions.

Contor, Craig R. (Confederated Tribes of the Umatilla Indian Reservation, Department of Natural Resources, Pendleton, OR)

2004-07-01

146

Evaluation of the EDGE detector in small-field dosimetry  

NASA Astrophysics Data System (ADS)

This study evaluates a new diode detector design for small-field dosimetry. An accurate detector that has a small volume are necessary to compile data for stereotactic radiosurgery (SRS), stereotactic body radiotherapy (SBRT), and intensity-modulated radiotherapy (IMRT). Two semiconductor diode detectors and one ionization chamber were used to measure the profiles, percent depth doses (PDDs), and relative output factors (OFs) of a Novalis 6-MV SRS beam. Profiles and PDD data were collected using 5.0-, 10.0-, 15.0-, 20.0-, 30.0-, and 50.0-mm micro multileaf collimators (mMLCs) at small fields and a 98.0 × 98.0-mm2 reference field. OFs were collected for each of the mMLCs. The EDGE diode detector, the diode detector, and the ion chamber (0.007 cc) were used in the study. Detector measurements were performed using the 3D water phantom with a source-to-surface distance of 100-cm at a depth of 1.5-cm. The measurements were analyzed using the IBA OmniPro Accept 7th version software. In addition, all data were compared to Monte Carlo simulations. The semiconductor diodes had similar OFs and PDDs for each of the mMLCs used. The Dmax values of the EDGE diode detector, measured from the PDD, ranged from 8.5 to 14.0-mm with an average of 12.4-mm. The field widths of the EDGE diode detector were found to have similar values. The performance of the EDGE diode detector was comparable for all small-field measurements. Additionally, no evidence of an energy response was observed for the EDGE detectors for a field of 98 × 98-mm2. This is particularly important when measuring the relative OF for small fields or gathering larger-sized field data for the commissioning of a treatment planning system.

Shin, Hun-Joo; Kim, Myong-Ho; Choi, Ihl-Bohng; Kang, Young-nam; Kim, Dae-Hyun; Chio, Byung Ock; Jang, Hong Seok; Jung, Ji-Young; Son, Seok Hyun; Kay, Chul Seung

2013-07-01

147

The Computer Based Project for the Evaluation of Media for the Handicapped. Summary of Research, 1969-1972.  

ERIC Educational Resources Information Center

Summarized is research performed by the Project staff from 1969 to 1973 with 125 to 300 educable mentally handicapped (EMH) or emotionally disturbed elementary and secondary school students in Syracuse, New York. Project purposes are described in terms of a system of evaluating and field testing educational materials (such as captioned films) and…

Kipfer, Bernice M.

148

A summary of findings from the first 25 Ballast Water Treatment Systems evaluated by GESAMP  

Microsoft Academic Search

As part of the preparations for entry into force of the Ballast Water Convention (2004), the International Maritime Organization\\u000a has initiated a process to evaluate the safety and efficacy of potential technologies for disinfecting ballast water on board\\u000a ships. Ballast Water Management Systems intended to remove potentially ‘harmful aquatic organisms’ are subjected to a review\\u000a process, one aspect of which

Tim Bowmer; Jan Linders

2010-01-01

149

Swarm Intelligence Algorithm for Induction Motor Field Efficiency Evaluation  

NASA Astrophysics Data System (ADS)

Determining induction motor field efficiency is imperative in industries for energy conservation and cost savings. The induction motor efficiency is generally tested in a laboratories by certain methods defined in IEEE Standard - 112. But these methods cannot be used for motor efficiency evaluations in the field because it disrupts the production process of the industry. This paper proposes a swarm intelligence algorithm, Particle Swarm Optimization (PSO) for efficiency evaluation of in-service induction motor based on a modified induction motor equivalent circuit model. In this model, stray load losses are considered. The proposed efficiency evaluation method combines the PSO and the equivalent circuit method. First, the equivalent circuit parameters are estimated by minimizing the difference between measured and calculated values of stator current and input power of the motor using the PSO algorithm. Based on these parameters, the efficiency of the motor at various load points are evaluated by using the equivalent circuit method. To exemplify the performance of the PSO based efficiency estimation method, a 5 HP motor has been tested, compared with genetic algorithm (GA), torque gauge method, equivalent circuit method, slip method, current method and segregated loss method and found to be superior. Accordingly, the method will be useful for engineers who implement the energy efficiency programs to the electric motor systems in industries.

Sakthivel, V. P.; Subramanian, S.

150

Summary and evaluation of hydraulic property data available for the Hanford Site upper basalt confined aquifer system  

SciTech Connect

Pacific Northwest Laboratory, as part of the Hanford Site Ground-Water Surveillance Project, examines the potential for offsite migration of contamination within the upper basalt confined aquifer system. For the past 40 years, hydrologic testing of the upper basalt confined aquifer has been conducted by a number of Hanford Site programs. Hydraulic property estimates are important for evaluating aquifer flow characteristics (i.e., ground-water flow patterns, flow velocity, transport travel time). Presented are the first comprehensive Hanford Site-wide summary of hydraulic properties for the upper basalt confined aquifer system (i.e., the upper Saddle Mountains Basalt). Available hydrologic test data were reevaluated using recently developed diagnostic test analysis methods. A comparison of calculated transmissivity estimates indicates that, for most test results, a general correspondence within a factor of two between reanalysis and previously reported test values was obtained. For a majority of the tests, previously reported values are greater than reanalysis estimates. This overestimation is attributed to a number of factors, including, in many cases, a misapplication of nonleaky confined aquifer analysis methods in previous analysis reports to tests that exhibit leaky confined aquifer response behavior. Results of the test analyses indicate a similar range for transmissivity values for the various hydro-geologic units making up the upper basalt confined aquifer. Approximately 90% of the calculated transmissivity values for upper basalt confined aquifer hydrogeologic units occur within the range of 10{sup 0} to 10{sup 2} m{sup 2}/d, with 65% of the calculated estimate values occurring between 10{sup 1} to 10{sup 2} m{sup 2}d. These summary findings are consistent with the general range of values previously reported for basalt interflow contact zones and sedimentary interbeds within the Saddle Mountains Basalt.

Spane, F.A. Jr.; Vermeul, V.R.

1994-09-01

151

Field Tests for Evaluating the Aerobic Work Capacity of Firefighters  

PubMed Central

Working as a firefighter is physically strenuous, and a high level of physical fitness increases a firefighter’s ability to cope with the physical stress of their profession. Direct measurements of aerobic capacity, however, are often complicated, time consuming, and expensive. The first aim of the present study was to evaluate the correlations between direct (laboratory) and indirect (field) aerobic capacity tests with common and physically demanding firefighting tasks. The second aim was to give recommendations as to which field tests may be the most useful for evaluating firefighters’ aerobic work capacity. A total of 38 subjects (26 men and 12 women) were included. Two aerobic capacity tests, six field tests, and seven firefighting tasks were performed. Lactate threshold and onset of blood lactate accumulation were found to be correlated to the performance of one work task (rs?=??0.65 and ?0.63, p<0.01, respectively). Absolute (mL·min?1) and relative (mL·kg?1·min?1) maximal aerobic capacity was correlated to all but one of the work tasks (rs?=??0.79 to 0.55 and ?0.74 to 0.47, p<0.01, respectively). Aerobic capacity is important for firefighters’ work performance, and we have concluded that the time to row 500 m, the time to run 3000 m relative to body weight (s·kg?1), and the percent of maximal heart rate achieved during treadmill walking are the most valid field tests for evaluating a firefighter’s aerobic work capacity. PMID:23844153

Lindberg, Ann-Sofie; Oksa, Juha; Gavhed, Desiree; Malm, Christer

2013-01-01

152

Environmental effects of dredging. Evaluation of sediment genotoxicity. Workshop summary and conclusions. Technical notes  

SciTech Connect

This Technical Note summarizes the proceedings of a workshop that was held March 6-8,1990, at the Environmental Laboratory, US Army Engineer Waterways Experiment Station. The purpose of the workshop was to gain guidance from recognized authorities for the development of sediment bioassays of genotoxicity, that is, mutagenicity, carcinogenicity, immunotoxicity, teratogenicity, and histopathologic potential. The conclusions of the workshop are being used to identify existing genotoxicity bioassays that show promise for application in evaluating sediments, to recommend modifications for testing sediments, and to help direct subsequent research and development of bioassays of genotoxicity by the US Army Corps of Engineers.

NONE

1990-10-01

153

Preliminary technical and economic evaluation of vortex extraction devices. Summary report  

SciTech Connect

The rotor subsystem represents one of the major cost drivers in conventional wind energy systems. Despite the fact that the two vortex extraction systems evaluated have the potential for substantially reducing rotor costs, these cost savings are more than offset by the additional costs required for the augmentation devices. Based on a preliminary analysis of the presently envisioned conceptual designs of the Tornado Wind Energy System and the Vortex Augmentor System, it does not appear that either system could achieve economic parity with conventional horizontal axis wind systems even if all of the technical uncertainties surrounding these innovative concepts are favorably resolved.

Kornreich, T. R.; Kottler, Jr., R. J.; Jennings, D. M.

1980-04-01

154

Evaluation of laminar flow control systems for subsonic commercial transport aircraft: Executive summary  

NASA Technical Reports Server (NTRS)

An evaluation was made of laminar flow control (LFC) system concepts for subsonic commercial transport aircraft. Configuration design studies, performance analyses, fabrication development, structural testing, wind tunnel testing, and contamination-avoidance techniques were included. As a result of trade studies, a configuration with LFC on the upper wing surface only, utilizing an electron beam-perforated suction surface, and employing a retractable high-lift shield for contamination avoidance, was selected as the most practical LFC system. The LFC aircraft was then compared with an advanced turbulent aircraft designed for the same mission. This comparison indicated significant fuel savings.

Pearce, W. E.

1982-01-01

155

The 2001 World Trade Center Disaster: Summary and Evaluation of Experiences  

Microsoft Academic Search

\\u000a Abstract\\u000a \\u000a \\u000a Objectives:\\u000a   To collect and analyze data from deaths and injuries, and from evaluation of the responses by medical services and by fire,\\u000a rescue, and police services 1 year after the terror attack on World Trade Center.\\u000a \\u000a \\u000a \\u000a \\u000a Methodology:\\u000a   Epidemiologic data were collected from all involved agencies and analyzed. The authors personal experience from working at\\u000a the scene during the event

John P. Pryor

2009-01-01

156

Laboratory or Field Tests for Evaluating Firefighters' Work Capacity?  

PubMed Central

Muscle strength is important for firefighters work capacity. Laboratory tests used for measurements of muscle strength, however, are complicated, expensive and time consuming. The aims of the present study were to investigate correlations between physical capacity within commonly occurring and physically demanding firefighting work tasks and both laboratory and field tests in full time (N?=?8) and part-time (N?=?10) male firefighters and civilian men (N?=?8) and women (N?=?12), and also to give recommendations as to which field tests might be useful for evaluating firefighters' physical work capacity. Laboratory tests of isokinetic maximal (IM) and endurance (IE) muscle power and dynamic balance, field tests including maximal and endurance muscle performance, and simulated firefighting work tasks were performed. Correlations with work capacity were analyzed with Spearman's rank correlation coefficient (rs). The highest significant (p<0.01) correlations with laboratory and field tests were for Cutting: IE trunk extension (rs?=?0.72) and maximal hand grip strength (rs?=?0.67), for Stairs: IE shoulder flexion (rs?=??0.81) and barbell shoulder press (rs?=??0.77), for Pulling: IE shoulder extension (rs?=??0.82) and bench press (rs?=??0.85), for Demolition: IE knee extension (rs?=?0.75) and bench press (rs?=?0.83), for Rescue: IE shoulder flexion (rs?=??0.83) and bench press (rs?=??0.82), and for the Terrain work task: IE trunk flexion (rs?=??0.58) and upright barbell row (rs?=??0.70). In conclusion, field tests may be used instead of laboratory tests. Maximal hand grip strength, bench press, chin ups, dips, upright barbell row, standing broad jump, and barbell shoulder press were strongly correlated (rs?0.7) with work capacity and are therefore recommended for evaluating firefighters work capacity. PMID:24614596

Lindberg, Ann-Sofie; Oksa, Juha; Malm, Christer

2014-01-01

157

Summary of results from the National Renewable Energy Laboratory`s vehicle evaluation data collection efforts  

SciTech Connect

The U.S. DOE National Renewable Energy Laboratory conducted a data collection project for light-duty, alternative fuel vehicles (AFVs) for about 4 years. The project has collected data on 10 vehicle models (from the original equipment manufacturers) spanning model years 1991 through 1995. Emissions data have also been collected from a number of vehicles converted to natural gas (CNG) and liquefied petroleum gas (LPG). Most of the vehicles involved in the data collection and evaluation are part of the General Services Administration`s fleet of AFVs. This evaluation effort addressed the performance and reliability, fuel economy, and emissions of light- duty AFVs, with comparisons to similar gasoline vehicles when possible. Driver-reported complaints and unscheduled vehicle repairs were used to assess the performance and reliability of the AFVs compared to the comparable gasoline vehicles. Two sources of fuel economy were available, one from testing of vehicles on a chassis dynamometer, and the other from records of in-service fuel use. This report includes results from emissions testing completed on 169 AFVs and 161 gasoline control vehicles.

Whalen, P.; Kelly, K.; Motta, R.; Broderick, J.

1996-05-01

158

Algorithm Summary and Evaluation: Automatic Implementation of Ringdown Analysis for Electromechanical Mode Identification from Phasor Measurements  

SciTech Connect

Small signal stability problems are one of the major threats to grid stability and reliability. Prony analysis has been successfully applied on ringdown data to monitor electromechanical modes of a power system using phasor measurement unit (PMU) data. To facilitate an on-line application of mode estimation, this paper develops a recursive algorithm for implementing Prony analysis and proposed an oscillation detection method to detect ringdown data in real time. By automatically detecting ringdown data, the proposed method helps guarantee that Prony analysis is applied properly and timely on the ringdown data. Thus, the mode estimation results can be performed reliably and timely. The proposed method is tested using Monte Carlo simulations based on a 17-machine model and is shown to be able to properly identify the oscillation data for on-line application of Prony analysis. In addition, the proposed method is applied to field measurement data from WECC to show the performance of the proposed algorithm.

Zhou, Ning; Huang, Zhenyu; Tuffner, Francis K.; Jin, Shuangshuang; Lin, Jenglung; Hauer, Matthew L.

2010-02-28

159

Summary report Wellcome Trust  

E-print Network

Summary report Wellcome Trust Basic Science Career Tracker Results of wave 5 (2013) #12;2 | Summary report: Basic Science Career Tracker Wellcome Trust Basic Science Career Tracker: Results of wave 5 (2013-award evaluation. In 2009 the Basic Science Career Tracker (BSCT) was established, a longitudinal cohort study

Rambaut, Andrew

160

Summary report Wellcome Trust  

E-print Network

Summary report Wellcome Trust Basic Science Career Tracker Results of wave 4 (2012) #12;2 | Summary report: Career Tracker Wellcome Trust Basic Science Career Tracker: Results of Wave 4 (2012) Introduction. In summer 2012, the Evaluation Team at the Wellcome Trust launched the fourth wave of the Basic Science

Rambaut, Andrew

161

Isokinetic knee joint evaluation in track and field events.  

PubMed

The purpose of this study was to evaluate maximal torque of the knee flexors and extensors, flexor/extensor ratios, and maximal torque differences between the 2 lower extremities in young track and field athletes. Forty male track and field athletes 13-17 years old and 20 male nonathletes of the same age participated in the study. Athletes were divided into 4 groups according to their age and event (12 runners and 10 jumpers 13-15 years old, 12 runners and 6 jumpers 16-17 years old) and nonathletes into 2 groups of the same age. Maximal torque evaluation of knee flexors and extensors was performed on an isokinetic dynamometer at 60°·s(-1). At the age of 16-17 years, jumpers exhibited higher strength values at extension than did runners and nonathletes, whereas at the age of 13-15 years, no significant differences were found between events. Younger athletes were weaker than older athletes at flexion. Runners and jumpers were stronger than nonathletes in all relative peak torque parameters. Nonathletes exhibited a higher flexor/extensor ratio compared with runners and jumpers. Strength imbalance in athletes was found between the 2 lower extremities in knee flexors and extensors and also at flexor/extensor ratio of the same extremity. Young track and field athletes exhibit strength imbalances that could reduce their athletic performance, and specific strength training for the weak extremity may be needed. PMID:21869632

Deli, Chariklia K; Paschalis, Vassilis; Theodorou, Anastasios A; Nikolaidis, Michalis G; Jamurtas, Athanasios Z; Koutedakis, Yiannis

2011-09-01

162

WISELI'S EVALUATION OF CAMPUS CHILDCARE: A SUMMARY Having children as a faculty member requires a balance between responsibilities at home and the demands  

E-print Network

WISELI'S EVALUATION OF CAMPUS CHILDCARE: A SUMMARY Having children as a faculty member requires-life balance). Faculty members make complex personal and professional decisions to raise children. According.0% of women compared to 38.8% of men). ACHIEVING BALANCE Make children and work the main priorities Women

Sheridan, Jennifer

163

A Summary Report on the NPH Evaluation of 105-L Disassembly Basin  

SciTech Connect

The L Area Disassembly Basin (LDB) is evaluated for the natural phenomena hazards (NPH) effects due to earthquake, wind, and tornado in accordance with DOE Order 420.1 and DOE-STD-1020. The deterministic analysis is performed for a Performance Category 3 (PC3) level of loads. Savannah River Site (SRS) specific NPH loads and design criteria are obtained from Engineering Standard 01060. It is demonstrated that the demand to capacity (D/C) ratios for primary and significant structural elements are acceptable (equal to or less than 1.0). Thus, 105-L Disassembly Basin building structure is qualified for the PC3 NPH effects in accordance with DOE Order 420.1.

Joshi, J.R.

2002-04-30

164

Satellite power system concept development and evaluation program. Volume 1: Technical assessment summary report  

NASA Technical Reports Server (NTRS)

Candidate satellite power system (SPS) concepts were identified and evaluated in terms of technical and cost factors. A number of alternative technically feasible approaches and system concepts were investigated. A reference system was defined to facilitate economic, environmental, and societal assessments by the Department of Energy. All elements of the reference system were defined including the satellite and all its subsystems, the orbital construction and maintenance bases, all elements of the space transportation system, the ground receiving station, and the associated industrial facilities for manufacturing the required hardware. The reference conclusions and remaining issues are stated for the following topical areas: system definition; energy conversion and power management; power transmission and reception; structures, controls, and materials; construction and operations; and space transportation.

1980-01-01

165

Engineering analysis and evaluation of the Centralia mine fire. Executive Summary. Final report  

SciTech Connect

The report presents the results of a study of the Centralia, PA mine fire. Project activities included a review of existing data and background information on the fire, including previously attempted control measures; a review of the geology, mining and hydrology in the Centralia area; an evaluation of the physical character of the overburden and the identification of thermal effects; a ventilation study of the mine workings in which the fire is actively burning and an analysis of the apparent progression of the fire with time; and a review of proven and experimental methods for containing and extinguishing underground mine fires and the formulation of possible courses of action that might be considered for dealing with the fire.

Not Available

1989-01-01

166

Use of field experimental studies to evaluate emergency response models  

SciTech Connect

The three-dimensional diagnostic wind field model (MATHEW) and the particle-in-cell atmospheric transport and diffusion model (ADPIC) are used by the Atmospheric Release Advisory Capability to estimate the environmental consequences of accidental releases of radioactivity into the atmosphere. These models have undergone extensive evaluations against field experiments conducted in a variety of environmental settings ranging from relatively flat to very complex terrain areas. Simulations of tracer experiments conducted in a complex mountain valley setting revealed that 35 to 50% of the comparisons between calculated and measured tracer concentrations were within a factor of 5. This may be compared with a factor of 2 for 50% of the comparisons for relatively flat terrain. This degradation of results in complex terrain is due to a variety of factors such as the limited representativeness of measurements in complex terrain, the limited spatial resolution afforded by the models, and the turbulence parameterization based on sigma/sub theta/ measurements to evaluate the eddy diffusivities. Measurements of sigma/sub theta/ in complex terrain exceed those measured over flat terrain by a factor of 2 to 3 leading to eddy diffusivities that are unrealistically high. The results of model evaluations are very sensitive to the quality and the representativeness of the meteorological data. This is particularly true for measurements near the source. The capability of the models to simulate the dispersion of an instantaneously produced cloud of particulates was illustrated to be generally within a factor of 2 over flat terrain. 19 refs., 16 figs.

Gudiksen, P.H.; Lange, R.; Rodriguez, D.J.; Nasstrom, J.S.

1985-07-16

167

Systems Analysis Programs for Hands-on Intergrated Reliability Evaluations (SAPHIRE) Summary Manual  

SciTech Connect

The Systems Analysis Programs for Hands-on Integrated Reliability Evaluations (SAPHIRE) is a software application developed for performing a complete probabilistic risk assessment (PRA) using a personal computer (PC) running the Microsoft Windows operating system. SAPHIRE is primarily funded by the U.S. Nuclear Regulatory Commission (NRC) and developed by the Idaho National Laboratory (INL). INL's primary role in this project is that of software developer and tester. However, INL also plays an important role in technology transfer by interfacing and supporting SAPHIRE users, who constitute a wide range of PRA practitioners from the NRC, national laboratories, the private sector, and foreign countries. SAPHIRE can be used to model a complex system’s response to initiating events and quantify associated consequential outcome frequencies. Specifically, for nuclear power plant applications, SAPHIRE can identify important contributors to core damage (Level 1 PRA) and containment failure during a severe accident which lead to releases (Level 2 PRA). It can be used for a PRA where the reactor is at full power, low power, or at shutdown conditions. Furthermore, it can be used to analyze both internal and external initiating events and has special features for transforming an internal events model to a model for external events, such as flooding and fire analysis. It can also be used in a limited manner to quantify risk in terms of release consequences to the public and environment (Level 3 PRA). SAPHIRE also includes a separate module called the Graphical Evaluation Module (GEM). GEM is a special user interface linked to SAPHIRE that automates the SAPHIRE process steps for evaluating operational events at commercial nuclear power plants. Using GEM, an analyst can estimate the risk associated with operational events (for example, to calculate a conditional core damage probability) very efficiently and expeditiously. This report provides an overview of the functions available in SAPHIRE and presents general instructions for using the software. Section 1 presents SAPHIRE’s historical evolution and summarizes its capabilities. Section 2 presents instructions for installing and using the code. Section 3 explains the database structure used in SAPHIRE and discusses database concepts. Section 4 explains how PRA data (event frequencies, human error probabilities, etc.) can be generated and manipulated using “change sets.” Section 5 deals with fault tree operations, including constructing, editing, solving, and displaying results. Section 6 presents operations associated with event trees, including rule application for event tree linking, partitioning, and editing sequences. Section 7 presents how accident sequences are generated, solved, quantified, and analyzed. Section 8 discusses the functions available for performing end state analysis. Section 9 explains how to modify data stored in a SAPHIRE database. Section 10 illustrates how to generate and customize reports. Section 11 covers SAPHIRE utility options to perform routine functions such as defining constant values, recovering databases, and loading data from external sources. Section 12 provides an overview of GEM’s features and capabilities. Finally, Section 13 summarizes SAPHIRE’s quality assurance process.

C. L. Smith

2008-08-01

168

Improved field experimental designs and quantitative evaluation of aquatic ecosystems  

SciTech Connect

The paired-station concept and a log transformed analysis of variance were used as methods to evaluate zooplankton density data collected during five years at an electrical generation station on Lake Michigan. To discuss the example and the field design necessary for a valid statistical analysis, considerable background is provided on the questions of selecting (1) sampling station pairs, (2) experimentwise error rates for multi-species analyses, (3) levels of Type I and II error rates, (4) procedures for conducting the field monitoring program, and (5) a discussion of the consequences of violating statistical assumptions. Details for estimating sample sizes necessary to detect changes of a specified magnitude are included. Both statistical and biological problems with monitoring programs (as now conducted) are addressed; serial correlation of successive observations in the time series obtained was identified as one principal statistical difficulty. The procedure reduces this problem to a level where statistical methods can be used confidently. 27 references, 4 figures, 2 tables.

McKenzie, D.H.; Thomas, J.M.

1984-05-01

169

Summary and evaluation of the Strategic Defense Initiative Space Power Architecture Study  

NASA Technical Reports Server (NTRS)

The Space Power Architecture Study (SPAS) identified and evaluated power subsystem options for multimegawatt electric (MMWE) space based weapons and surveillance platforms for the Strategic Defense Initiative (SDI) applications. Steady state requirements of less than 1 MMWE are adequately covered by the SP-100 nuclear space power program and hence were not addressed in the SPAS. Four steady state power systems less than 1 MMWE were investigated with little difference between them on a mass basis. The majority of the burst power systems utilized H(2) from the weapons and were either closed (no effluent), open (effluent release) or steady state with storage (no effluent). Closed systems used nuclear or combustion heat source with thermionic, Rankine, turboalternator, fuel cell and battery conversion devices. Open systems included nuclear or combustion heat sources using turboalternator, magnetohydrodynamic, fuel cell or battery power conversion devices. The steady state systems with storage used the SP-100 or Star-M reactors as energy sources and flywheels, fuel cells or batteries to store energy for burst applications. As with other studies the open systems are by far the lightest, most compact and simplist (most reliable) systems. However, unlike other studies the SPAS studied potential platform operational problems caused by effluents or vibration.

Edenburn, M. (editor); Smith, J. M. (editor)

1989-01-01

170

Executive summary  

NASA Technical Reports Server (NTRS)

The Astrotech 21 Optical Systems Technology Workshop was held in Pasadena, California on March 6-8, 1991. The purpose of the workshop was to examine the state of Optical Systems Technology at the National Aeronautics Space Administration (NASA), and in industry and academia, in view of the potential Astrophysics mission set currently being considered for the late 1990's through the first quarter of the 21st century. The principal result of the workshop is this publication, which contains an assessment of the current state of the technology, and specific technology advances in six critical areas of optics, all necessary for the mission set. The workshop was divided into six panels, each of about a dozen experts in specific fields, representing NASA, industry, and academia. In addition, each panel contained expertise that spanned the spectrum from x-ray to submillimeter wavelengths. This executive summary contains the principal recommendations of each panel. The six technology panels and their chairs were: (1) Wavefront Sensing, Control, and Pointing, Thomas Pitts, Itek Optical Systems, A Division of Litton; (2) Fabrication, Roger Angel, Steward Observatory, University of Arizona; (3) Materials and Structures, Theodore Saito, Lawrence Livermore National Laboratory; (4) Optical Testing, James Wyant, WYKO Corporation; (5) Optical Systems Integrated Modeling, Robert R. Shannon, Optical Sciences Center, University of Arizona; and (6) Advanced Optical Instruments Technology, Michael Shao, Jet Propulsion Laboratory, California Institute of Technology. This Executive Summary contains the principal recommendations of each panel.

Ayon, Juan A.

1992-01-01

171

Executive summary  

NASA Astrophysics Data System (ADS)

The Astrotech 21 Optical Systems Technology Workshop was held in Pasadena, California on March 6-8, 1991. The purpose of the workshop was to examine the state of Optical Systems Technology at the National Aeronautics Space Administration (NASA), and in industry and academia, in view of the potential Astrophysics mission set currently being considered for the late 1990's through the first quarter of the 21st century. The principal result of the workshop is this publication, which contains an assessment of the current state of the technology, and specific technology advances in six critical areas of optics, all necessary for the mission set. The workshop was divided into six panels, each of about a dozen experts in specific fields, representing NASA, industry, and academia. In addition, each panel contained expertise that spanned the spectrum from x-ray to submillimeter wavelengths. This executive summary contains the principal recommendations of each panel. The six technology panels and their chairs were: (1) Wavefront Sensing, Control, and Pointing, Thomas Pitts, Itek Optical Systems, A Division of Litton; (2) Fabrication, Roger Angel, Steward Observatory, University of Arizona; (3) Materials and Structures, Theodore Saito, Lawrence Livermore National Laboratory; (4) Optical Testing, James Wyant, WYKO Corporation; (5) Optical Systems Integrated Modeling, Robert R. Shannon, Optical Sciences Center, University of Arizona; and (6) Advanced Optical Instruments Technology, Michael Shao, Jet Propulsion Laboratory, California Institute of Technology. This Executive Summary contains the principal recommendations of each panel.

Ayon, Juan A.

1992-08-01

172

Laboratory and field evaluation of an underwater sand height gage  

NASA Technical Reports Server (NTRS)

An underwater sand height gage was investigated. This instrument consisted of two transducers, one screened and one unscreened. Laboratory experimentation included static and dynamic tests with three test sands--fine, medium, and coarse. Field tests were conducted at Rudee Inlet, Virginia Beach, Virginia. Test results showed a linear response to up to 10 inches of sand loading. Deviation observed in identical tests appeared to be due to variation in the density of sand. Density differences reflected varying packing styles which, in turn, were a consequence of grain size and flow regime. Further evaluations of the sand height gage reflect this instrument's potential.

Swift, D. J. P.; Mcgrath, D. G.

1972-01-01

173

Photovoltaic performance models: an evaluation with actual field data  

NASA Astrophysics Data System (ADS)

Prediction of energy production is crucial to the design and installation of the building integrated photovoltaic systems. This prediction should be attainable based on the commonly available parameters such as system size, orientation and tilt angle. Several commercially available as well as free downloadable software tools exist to predict energy production. Six software models have been evaluated in this study and they are: PV Watts, PVsyst, MAUI, Clean Power Estimator, Solar Advisor Model (SAM) and RETScreen. This evaluation has been done by comparing the monthly, seasonaly and annually predicted data with the actual, field data obtained over a year period on a large number of residential PV systems ranging between 2 and 3 kWdc. All the systems are located in Arizona, within the Phoenix metropolitan area which lies at latitude 33° North, and longitude 112 West, and are all connected to the electrical grid.

TamizhMani, Govindasamy; Ishioye, John-Paul; Voropayev, Arseniy; Kang, Yi

2008-08-01

174

First World Conference on Continuing Engineering Education, Summary & Evaluation (Mexico City, Mexico, April 25-27, 1979).  

ERIC Educational Resources Information Center

The proceedings of the First World Conference on Engineering Education focus on future directions, case studies, and unique high-impact programs. The report contains the following: (1) a list of summary statements on ideas, trends and observations; (2) summaries of the 16 sessions in which salient points are noted; and (3) the complete text of…

Klus, John P., Ed.; Jones, Judy A., Ed.

175

Assessment of Risk Evaluation and Mitigation Strategies in Oncology: Summary of the Oncology Risk Evaluation and Mitigation Strategies Workshop  

PubMed Central

To address oncology community stakeholder concerns regarding implementation of the Risk Evaluation and Mitigation Strategies (REMS) program, ASCO sponsored a workshop to gather REMS experiences from representatives of professional societies, patient organizations, pharmaceutical companies, and the US Food and Drug Administration (FDA). Stakeholder presentations and topical panel discussions addressed REMS program development, implementation processes, and practice experiences, as well as oncology drug safety processes. A draft REMS decision tool prepared by the ASCO REMS Steering Committee was presented for group discussion with facilitated, goal-oriented feedback. The workshop identified several unintended consequences resulting from current oncology REMS: (1) the release of personal health information to drug sponsors as a condition for gaining access to a needed drug; (2) risk information that is not tailored—and therefore not accessible—to all literacy levels; (3) exclusive focus on drug risk, thereby affecting patient-provider treatment discussion; (4) REMS elements that do not consider existing, widely practiced oncology safety standards, professional training, and experience; and (5) administrative burdens that divert the health care team from direct patient care activities and, in some cases, could limit patient access to important therapies. Increased provider and professional society participation should form the basis of ongoing and future REMS standardization discussions with the FDA to work toward overall improvement of risk communication. PMID:23814522

Frame, James N.; Jacobson, Joseph O.; Vogel, Wendy H.; Griffith, Niesha; Wariabharaj, Darshan; Garg, Rekha; Zon, Robin; Stephens, Cyntha L.; Bialecki, Alison M.; Bruinooge, Suanna S.; Allen, Steven L.

2013-01-01

176

Performance Evaluation of 3D Sound Field Reproduction System Using a Few Loudspeakers and Wave Field Synthesis  

Microsoft Academic Search

A conventional 3D sound field reproduction system using wave field synthesis places a lot of loudspeakers around the listener. However, since such a system is very expensive and loudspeakers come into the listener's field of vision, it is very difficult to construct an audio-visual system with it. We developed and evaluated a 3D sound field reproduction system using eight loudspeakers

Munenori Naoe; Toshiyuki Kimura; Yoko Yamakata; Michiaki Katsumoto

2008-01-01

177

Particle bounce in a personal cascade impactor: a field evaluation  

SciTech Connect

The collection characteristics of five types of substrates (collection surfaces) used in personal cascade impactors were evaluated for particle bounce in the laboratory with lead dioxide dust, and in the field with brass pouring fume and brass grinding dust. The substrates tested were uncoated stainless steel, silicon grease-coated stainless steel, oil-saturated Millipore membrane filter, oil-saturated Teflon membrane filter and oil-saturated sintered stainless steel. The use of coated and uncoated stainless steel plates to collect lead dioxide dust produced no difference in measured mass median diameter (MMD); however, with brass grinding dust, there was a 50% decrease in measured MMD when uncoated stainless steel substrates were used, as compared with coated stainless steel substrates. Oil-saturated Millipore membrane surfaces gave consistently lower MMDs than coated stainless steel surfaces. Coated and uncoated stainless steel gave similar MMDs when used to sample brass pouring fume. Oil-saturated Teflon membrane and oil-saturated sintered metal, surfaces for which the collection efficiency is presumed to be independent of the particle loading, gave MMDs similar to those measured for grease-coated stainless steel. The implications of these comparisons are discussed. It is concluded that bounce characteristics are strongly dependent on aerosol material and the suitability of collection surfaces needs to be determined by field evaluation.

Hinds, W.C.; Liu, W.C.; Froines, J.R.

1985-09-01

178

Evaluation of bioaccumulation using in vivo laboratory and field studies.  

PubMed

A primary consideration in the evaluation of chemicals is the potential for substances to be absorbed and retained in an organism's tissues (i.e., bioaccumulated) at concentrations sufficient to pose health concerns. Substances that exhibit properties that enable biomagnification in the food chain (i.e., amplification of tissue concentrations at successive trophic levels) are of particular concern due to the elevated long-term exposures these substances pose to higher trophic organisms, including humans. Historically, biomarkers of in vivo chemical exposure (e.g., eggshell thinning, bill deformities) retrospectively led to the identification of such compounds, which were later categorized as persistent organic pollutants. Today, multiple bioaccumulation metrics are available to quantitatively assess the bioaccumulation potential of new and existing chemicals and identify substances that, upon or before environmental release, may be characterized as persistent organic pollutants. This paper reviews the various in vivo measurement approaches that can be used to assess the bioaccumulation of chemicals in aquatic or terrestrial species using laboratory-exposed, field-deployed, or collected organisms. Important issues associated with laboratory measurements of bioaccumulation include appropriate test species selection, test chemical dosing methods, exposure duration, and chemical and statistical analyses. Measuring bioaccumulation at a particular field site requires consideration of which test species to use and whether to examine natural populations or to use field-deployed populations. Both laboratory and field methods also require reliable determination of chemical concentrations in exposure media of interest (i.e., water, sediment, food or prey, etc.), accumulated body residues, or both. The advantages and disadvantages of various laboratory and field bioaccumulation metrics for assessing biomagnification potential in aquatic or terrestrial food chains are discussed. Guidance is provided on how to consider the uncertainty in these metrics and develop a weight-of-evidence evaluation that supports technically sound and consistent persistent organic pollutant and persistent, bioaccumulative, and toxic chemical identification. Based on the bioaccumulation information shared in 8 draft risk profiles submitted for review under the United Nations Stockholm Convention, recommendations are given for the information that is most critical to aid transparency and consistency in decision making. PMID:19552500

Weisbrod, Annie V; Woodburn, Kent B; Koelmans, Albert A; Parkerton, Thomas F; McElroy, Anne E; Borgå, Katrine

2009-10-01

179

Evaluation of the reliability of soccer-specific field tests.  

PubMed

The soccer-specific field tests are popular among coaches due to their simplicity, validity, and minimal use of equipment. Nevertheless, there is a general lack of data about their reliability, particularly regarding the tests of anaerobic performance. Twenty professional male soccer players performed 3 consecutive trials of the tests of throwing-in and standing-kick performance (the distance measured) as well as on timed 10-m sprint, flying 20-m sprint, running 10 x 5 m, zigzag running with and without the ball, and the skill index (i.e., the ratio of the zigzag running without and with the ball). With the exception of the throwing-in and standing kick, the evaluated tests revealed high intraclass correlation coefficients (i.e., >0.80), small within-individual variations (coefficient of variation, <4%), and sample sizes for detecting a 2% change in the tested performance that are either close to or below the standard size of a professional soccer squad. In addition to simplicity and face validity, most of the evaluated tests revealed high reliability. Therefore, the evaluated tests are recommended for sport-specific profiling and early selection of young athletes as well as for routine testing procedures that could detect effects of various intervention procedures. Regarding the throwing-in and standing-kick tests, direct measurement of the ball velocity (e.g., with a standard radar gun) is recommended. PMID:18545209

Mirkov, Dragan; Nedeljkovic, Aleksandar; Kukolj, Milos; Ugarkovic, Dusan; Jaric, Slobodan

2008-07-01

180

Sediment and radionuclide transport in rivers. Summary report, field sampling program for Cattaraugus and Buttermilk Creeks, New York  

SciTech Connect

A three-phase field sampling program was conducted on the Buttermilk-Cattaraugus Creek system to investigate the transport of radionuclides in surface waters as part of a continuing program to provide data for application and verification of Pacific Northwest Laboratory's (PNL) sediment and radionuclide transport model, SERATRA. Phase 1 of the sampling program was conducted during November and December 1977; Phase 2 during September 1978; and Phase 3 during April 1979. Bed sediment, suspended sediment, and water samples were collected over a 45-mile reach of the creek system. Bed sediment samples were also collected at the mouth of Cattaraugus Creek in Lake Erie. A fourth sampling trip was conducted during May 1980 to obtain supplementary channel geometry data and flood plain sediment samples. Radiological analysis of these samples included gamma ray spectrometry analysis, and radiochemical separation and analysis of Sr-90, Pu-238, Pu-239,240, Am-241 and Cm-244. Tritium analysis was also performed on water samples. Based on the evaluation of radionuclide levels in Cattaraugus and Buttermilk Creeks, the Nuclear Fuel Services facility at West Valley, New York, may be the source of Cs-137, Sr-90, CS-134, Co-60, Pu-238, Pu-239,240, Am-241, Cm-244 and tritium found in the bed sediment, suspended sediment and water of Buttermilk and Cattaraugus Creeks.

Walters, W.H.; Ecker, R.M.; Onishi, Y.

1982-11-01

181

An evaluation of field total petroleum hydrocarbon (TPH) systems.  

PubMed

An evaluation of several field kits and petroleum hydrocarbon measuring systems was conducted. The field kits were the immunoassay based EnviroGard petroleum fuels in soil test kit (EnviroGard, Millipore Canada, Mississauga, Ont., Canada), the turbidimetric based PetroFlag hydrocarbon test kit for soil (Dexsil, Hamden, CT, USA), a DR/2000 field kit (Hach Company, Loveland CO, USA) employing colorimetric test procedures and a total organic carbon (TOC) analysis instrument (Dohrmann Division, Rosemount Analytical Inc., Santa Clara, CA, USA) using oxidation principles. These procedures were compared to the traditional technique of extraction of the petroleum hydrocarbons using trichlorotrifluoroethane (Freon 113) as the solvent and subsequent infrared (IR) analysis using a portable fixed wavelength analyzer (Buck Scientific, East Norwalk, CT, USA). The EnviroGard kit was affected by the sample matrix. The soil type and the presence or lack thereof specific chemical components affected the capability to detect the petroleum hydrocarbon concentration. The PetroFlag soil test kit tended to generate results higher than the accepted concentration. The IR method was better capable of producing results similar to the expected concentration values of the prepared samples. Results indicate that the total organic carbon analysis technique evaluated is best suited for samples containing dissolved hydrocarbons in water and is not a preferred procedure for water samples containing dispersed or floating oil. At low concentrations of 10ppm and less, the TOC method and IR method have concentration values within a few parts-per-million (ppm) of each other, however, an examination of the trends in the results for all samples shows no similarity. This would indicate that the traditional extraction and infrared method and the total organic carbon method are not measuring the same parameter.Finally, the colorimetric field kit was capable of quantifying the concentration of oil in water samples within limits. The results from the oil-in-water method built into the unit at the factory were not comparable with analysis carried out by the infrared technique. With specific methods for each oil incorporated into the spectrophotometer, the comparability of data increased significantly. Results generated by the kit are dependent upon the color and amount of the oil in the sample. The kit is best suited for dark colored oils and the water samples with concentrations in the range of 10 to 85ppm by weight. PMID:11267746

Lambert, P; Fingas, M; Goldthorp, M

2001-05-01

182

Results of field testing the cement evaluation tool  

SciTech Connect

The Cement Evaluation Tool (CET) developed by Schlumberger employs a pulse-echo technique using eight sonic transducers to investigate the casing cement bond. The tool has been widely field tested in a clastic environment in Brunei (N.W. Borneo), across both oil and gas bearing reservoirs. Numerous comparisons of the CET with conventional CBL/VDL logs have been made. Across oil and water bearing intervals the CET is shown to compare favourably with the CBL/VDL and yields significant additional information on channeling, cement distribution, and the success of casing centralization. In addition, the accuracy of the acoustic calipers have proved sufficient to be used in assisting drilling and completion operations. The response of the tool to a microannulus has also been demonstrated by multiple runs under varying wellbore pressures.

Leigh, C.A.; Finlayson, C.G.; Van der Kolk, C.

1984-01-01

183

Spectrally Enhanced Lighting Program Implementation for Energy Savings: Field Evaluation  

SciTech Connect

This report provides results from an evaluation PNNL conducted of a spectrally enhanced lighting demonstration project. PNNL performed field measurements and occupant surveys at three office buildings in California before and after lighting retrofits were made in August and December 2005. PNNL measured the following Overhead lighting electricity demand and consumption, Light levels in the workspace, Task lighting use, and Occupant ratings of satisfaction with the lighting. Existing lighting, which varied in each building, was replaced with lamps with correlated color temperature (CCT) of 5000 Kelvin, color rendering index (CRI) of 85, of varying wattages, and lower ballast factor electronic ballasts. The demonstrations were designed to decrease lighting power loads in the three buildings by 22-50 percent, depending on the existing installed lamps and ballasts. The project designers hypothesized that this reduction in electrical loads could be achieved by the change to higher CCT lamps without decreasing occupant satisfaction with the lighting.

Gordon, Kelly L.; Sullivan, Gregory P.; Armstrong, Peter R.; Richman, Eric E.; Matzke, Brett D.

2006-08-22

184

Near earth magnetic disturbance in total field at high latitudes. 1: Summary of data from OGO's 2, 4, and 6  

NASA Technical Reports Server (NTRS)

Variations in the total (i.e. scalar) magnetic field data from the polar orbiting OGO-2, 4, and 6 spacecraft (altitudes 400-1510 km) are summarized for invariant latitudes above 55 deg. Data from all degrees of magnetic disturbance are included. The data are presented in terms of the quantity delta B(= measured field magnitude minus the field magnitude from a spherical harmonic model of the quiet field).

Langel, R. A.

1973-01-01

185

Field evaluations of hearing protection devices at surface mining environments  

SciTech Connect

A study was conducted to evaluate the effectiveness of circumaural hearing protection devices and their predictability when they were being worn by mine employees performing normal work duties. The method employed relied on a physical measurement of the noise reduction of the hearing protectors by utilizing two FM-wireless transmitting and receiving systems. One system measured the outside hearing protector noise level, the second system measured the inside hearing protector noise level. The noise level data of both systems was transmitted back to the corresponding receivers and was recorded onto a two-channel tape recorder. Three methods of evaluating hearing protector performance were explored and compared to the Environmental Protection Agency, Noise Reduction Rating (EPA NRR) values. They were, (1) predicted National Institute for occupational Safety and Health`s (NIOSH) method No. 1 values, (2) field-calculated NIOSH No. 1 values, and (3) measured dBA reduction values, which was the arithmetic A-weighted differences between both microphone locations. The majority of the data was obtained on operators of mobile strip equipment, such as bulldozers, front-end-loaders, and overburden drills. A total of 107 individual tests were conducted using 11 different hearing protectors. The results indicate that the amount of protection, which can vary significantly, is related either to the spectrum shape of the noise, or the C-weighted minus the A-weighted (C-A) value. This is consistent with other researchers. The field measured noise reductions were equivalent to the EPA NRR values when the C-A values were negative or approaching zero. When the C-A values increased, the measured noise reductions significantly decreased.

Not Available

1993-12-31

186

Field evaluation of an avian risk assessment model.  

PubMed

We conducted two laboratory subacute dietary toxicity tests and one outdoor subacute dietary toxicity test to determine the effectiveness of the U.S. Environmental Protection Agency's deterministic risk assessment model for evaluating the potential of adverse effects to birds in the field. We tested technical-grade diazinon and its D.Z.N 50W (50% diazinon active ingredient wettable powder) formulation on Canada goose (Branta canadensis) goslings. Brain acetylcholinesterase activity was measured, and the feathers and skin, feet, and gastrointestinal contents were analyzed for diazinon residues. The dose-response curves showed that diazinon was significantly more toxic to goslings in the outdoor test than in the laboratory tests. The deterministic risk assessment method identified the potential for risk to birds in general, but the factors associated with extrapolating from the laboratory to the field, and from the laboratory test species to other species, resulted in the underestimation of risk to the goslings. The present study indicates that laboratory-based risk quotients should be interpreted with caution. PMID:16833136

Vyas, Nimish B; Spann, James W; Hulse, Craig S; Borges, Shannon L; Bennett, Richard S; Torrez, Martin; Williams, Bruce I; Leffel, Robert

2006-07-01

187

Preliminary Field Evaluation of Mercury Control Using Combustion Modifications  

SciTech Connect

In this project EER conducted a preliminary field evaluation of the integrated approach for mercury (Hg) and NO{sub x} control. The approach enhanced the 'naturally occurring' Hg capture by fly ash through combustion optimization, increasing carbon in ash content, and lowering ESP temperature. The evaluation took place in Green Station Units 1 and 2 located near Henderson, Kentucky and operated by Western Kentucky Energy. Units 1 and 2 are equipped with cold-side ESPs and wet scrubbers. Green Station Units 1 and 2 typically fire two types of fuel: a bituminous coal and a blend of bituminous coals based on availability. Testing of Hg emissions in Unit 2 without reburning system in operation and at minimum OFA demonstrated that efficiencies of Hg reduction downstream of the ESP were 30-40%. Testing also demonstrated that OFA system operation at 22% air resulted in 10% incremental increase in Hg removal efficiency at the ESP outlet. About 80% of Hg in flue gas at ESP outlet was present in the oxidized form. Testing of Hg emissions under reburning conditions showed that Hg emissions decreased with LOI increase and ESP temperature decrease. Testing demonstrated that maximum Hg reduction downstream of ESP was 40-45% at ESP temperatures higher than 300 F and 60-80% at ESP temperatures lower than 300 F. The program objective to demonstrate 80% Hg removal at the ESP outlet has been met.

V. Lissianski; P. Maly; T. Marquez

2005-01-22

188

Development of a field test for evaluating aerobic fitness.  

PubMed

The purpose of this study was to investigate the reproducibility and utility of a standardised and externally paced field test (15-m Incremental Shuttle Walk and Run Test [15 mISWRT]) to assess aerobic fitness in middle-aged adults. 14 middle-aged participants performed the 15-m ISWRT 3 times within one week (Test 1, Test 2, Test 3). Reproducibility of the 15-m ISWRT was tested by comparing 15-m ISWRT performance (distance completed), HRmax, and VO 2max for each test. The utility of the 15-m ISWRT for evaluating VO 2max over a wide range in middle-aged adults was tested by comparing the range of VO 2max obtained from the portable expired gas analyzer with the VO 2max reference values and ranges for health promotion published by Japan's Ministry of Health, Labour and Welfare. A multiple comparison of distance completed in the 15-m ISWRT Test 1, Test 2, and Test 3 found no significant difference between Test 2 and Test 3. The ICC was 0.99 for Test 2 vs. Test 3. VO 2max measured from the 15-m ISWRT in Test 3 had a minimum value of 22.8 ml/kg/min and a maximum value of 38.7 ml/kg/min. In conclusion, the 15-m ISWRT is reliable and useful for evaluating VO 2max in middle-aged adults. PMID:22377946

Mikawa, K; Yano, Y; Senjyu, H

2012-05-01

189

Handheld standoff mine detection system (HSTAMIDS) field evaluation in Namibia  

NASA Astrophysics Data System (ADS)

The Humanitarian Demining Research and Development Program of the US Army RDECOM CERDEC Night Vision and Electronic Sensors Directorate (NVESD), under the direction of the Office of Assistant Secretary of Defense for Special Operations and Low-Intensity Conflict (OASD SO/LIC) and with participation from the International Test and Evaluation Program (ITEP) for humanitarian demining, conducted an in-country field evaluation of the Handheld Standoff Mine Detection System (HSTAMIDS) in the southern African country of Namibia. Participants included the US Humanitarian Demining Team of NVESD; ITEP personnel from several member countries; deminers from two non-governmental organizations in Angola, Menschen Gegen Minen (MgM) and HALO Trust; and CyTerra Corporation. The primary objectives were to demonstrate the performance of the U.S. Army's newest handheld multisensor mine detector, the HSTAMIDS, to the performance of the metal detector being used by local demining organizations and also to assess the performance of deminers using the HSTAMIDS after limited experience and training.

Doheny, Robert C.; Burke, Sean; Cresci, Roger; Ngan, Peter; Walls, Richard; Chernoff, Jeff

2006-05-01

190

[Methods of dosimetry in evaluation of electromagnetic fields' biological action].  

PubMed

Theoretical and experimental dosimetry can be used for adequate evaluation of the effects of radiofrequency electromagnetic fields. In view of the tough electromagnetic environment in aircraft, pilots' safety is of particular topicality. The dosimetric evaluation is made from the quantitative characteristics of the EMF interaction with bio-objects depending on EM energy absorption in a unit of tissue volume or mass calculated as a specific absorbed rate (SAR) and measured in W/kg. Theoretical dosimetry employs a number of computational methods to determine EM energy, as well as the augmented method of boundary conditions, iterative augmented method of boundary conditions, moments method, generalized multipolar method, finite-element method, time domain finite-difference method, and hybrid methods combining several decision plans modeling the design philosophy of navigation, radiolocation and human systems. Because of difficulties with the experimental SAR estimate, theoretical dosimetry is regarded as the first step in analysis of the in-aircraft conditions of exposure and possible bio-effects. PMID:23074943

Rubtsova, N B; Perov, S Iu

2012-01-01

191

Summary of lightning activities by NASA for the Apollo Soyuz test project: Supplement no. 1 to Apollo Soyuz mission evaluation report  

NASA Technical Reports Server (NTRS)

To avoid the possibility of an unnecessary launch delay, a special program was initiated to provide aircraft measurement of electric fields at various altitudes over the Apollo vehicle launch pad. Eight aircraft, each equipped with electric field meters, were used in the program. This program and some of the more important findings are discussed. Also included is a summary of the history of manned space vehicle involvement with lightning, a brief description of the lightning instrumentation in use at KSC (Kennedy Space Center) at the time of the Apollo Soyuz mission and a discussion of the airborne instrumentation and related data.

1976-01-01

192

Evaluation of nuclear facility decommissioning projects. Three Mile Island Unit 2 reactor building decontamination. Summary status report. Volume 2  

SciTech Connect

This document summarizes information relating to decontamination of the Three Mile Island Unit 2 (TMI-2) reactor building. The report covers activities for the period of June 1, 1979 through March 29, 1985. The data collected from activity reports, reactor containment entry records, and other sources were entered into a computerized data system which permits extraction/manipulation of specific information which can be used in planning for recovery from an accident similar to that experienced at TMI-2 on March 28, 1979. This report contains summaries of man-hours, manpower, and radiation exposures incurred during decontamination of the reactor building. Support activities conducted outside of radiation areas are excluded from the scope of this report. Computerized reports included in this document are: a chronological summary listing work performed relating to reactor building decontamination for the period specified; and summary reports for each major task during the period. Each task summary is listed in chronological order for zone entry and subtotaled for the number of personnel entries, exposures, and man-hours. Manually-assembled table summaries are included for: labor and exposures by department and labor and exposures by major activity.

Doerge, D.H.; Miller, R.L.; Scotti, K.S.

1986-05-01

193

Long term evaluation of field-released genetically modified rhizobia.  

PubMed

This is the report of the first open field release of genetically modified microorganisms (GMMs) in Italy. It covers ten years of monitoring, and follows in-field GMM dynamics from strain release to disappearance below detection limits, as well as assessment of impact on resident microorganisms. The bacteria released belong to the nitrogen fixing legume endosymbiont Rhizobium leguminosarum bv. viciae, and were engineered with non-agronomically-proficient traits, in order to assess their behavior and fate without GMM-specific positive feedback from the plant. A DNA cassette containing mercury resistance and ss-galactosidase genes was introduced in either plasmid-borne or chromosomally integrated versions, in order to test the resulting strain stability. A synthetic promoter was used to drive the lacZ gene, conferring high catabolic activity to the GMM. Two different wild-type Rhizobium backgrounds were tested, comparing a non-indigenous vs. an indigenous, highly competitive strain. The latter had much greater persistence, since it was able to survive and establish at technically detectable levels for over four years after release. Selection factors, such as reiterated presence of the plant host, or lactose substrate supply, enhanced long-term survival to different extents. The lactose treatment showed that even a single trophic supplementation can surpass the benefits of symbiotic interaction for a period of several years. Concerning impact, the GMMs did not alter substantially the other soil community general microbiota. However, there were some significant differences in microbiota as a consequence of the Rhizobium inoculation. This effect was observed with either the WT or GMM, and was more evident in the release of the indigenous Rhizobium. Moreover, as the indigenous GMM had its parental, dominant wild-type in the same soil, it was possible to evaluate to what extent the GMM version could result in parent displacement ("self-impact"), and how much the two rhizobia would additively contribute to nodulation. PMID:18001684

Corich, Viviana; Giacomini, Alessio; Vendramin, Elena; Vian, Patrizia; Carlot, Milena; Concheri, Giuseppe; Polone, Elisa; Casella, Sergio; Nuti, Marco P; Squartini, Andrea

2007-01-01

194

Performance evaluation of the technical capabilities of DOE sites for disposal of mixed low-level waste. Volume 1: Executive summary  

SciTech Connect

A team of analysts designed and conducted a performance evaluation (PE) to estimate the technical capabilities of fifteen Department of Energy sites for disposal of mixed low-level waste (i.e., waste that contains both low-level radioactive materials and hazardous constituents). Volume 1 summarizes the process for selecting the fifteen sites, the methodology used in the evaluation, and the conclusions derived from the evaluation. Volume 1 is an executive summary both of the PE methodology and of the results obtained from the PEs. While this volume briefly reviews the scope and method of analyses, its main objective is to emphasize the important insights and conclusions derived from the conduct of the PEs. Volume 2 provides details about the site-selection process, the performance-evaluation methodology, and the overall results of the analysis. Volume 3 contains detailed evaluations of the fifteen sites and discussions of the results for each site.

NONE

1996-03-01

195

summary99  

Cancer.gov

Summary - 1999 NCI-Industry Meeting Comments MEETING SUMMARY NATIONAL CANCER INSTITUTE-INDUSTRY FORUM AND WORKSHOP ON BIOMEDICAL IMAGING IN ONCOLOGY September 1-2, 1999 Washington, D.C. The first National Cancer Institute (NCI)-Industry Forum and

196

Statistical summary of the chemical quality of surface water in the Powder River coal basin, the Hanna coal field, and the Green River coal region, Wyoming  

USGS Publications Warehouse

A summary of the chemical quality of surface water in the three principal coal-producing areas of Wyoming was intensified by the U.S. Geologic Survey during 1975-81, in response to interest spurred by a dramatic increase in surface mining of the areas. This statistical summary consists of descriptive statistics and regression analyses of data from 72 stations on streams in the Powder River coal basin, the Hanna coal field, and the Green River coal region of Wyoming. The mean dissolved-solids concentrations in streams ranged from 15 to 4,800 mg/L. Samples collected near mountainous areas or in the upstream reaches of perennial streams in the plains had the smallest concentrations of dissolved solids, and the predominant ions were calcium and bicarbonate. Samples from ephemeral, intermittent, and the downstream reaches of perennial streams in the plains contained relatively large dissolved-solids concentrations, and the predominant ions usually were sodium and sulfate. Regression models showed that the concentrations of dissolved solids, calcium, magnesium, sodium, alkalinity, sulfate, and chloride correlated well with specific-conductance values in many of the streams. (USGS)

Peterson, D. A.

1988-01-01

197

Summary of the ECLOUD'04 Workshop  

SciTech Connect

The 31st ICFA Advanced Beam Dynamics Workshop on Electron-Cloud Effects ''ECLOUD'04'' was held April 19-23, 2004 at Napa, CA, USA. A broad range of current topics in this field were illuminated by 53 talks in 7 sessions plus 6 session summaries at the final summary session. These covered a variety of experimental methods and results, along with progress on understanding of the topic obtained from simulations and analytic theory, and evaluations of the effectiveness of various methods/mechanisms for mitigation of the adverse impact on accelerator performance. In addition, a panel discussion was held on ''Future Needs and Future Directions''. A summary of progress on the major themes covered at ECLOUD'04 is presented.

Macek, R.; Furman, M.

2004-11-30

198

EVALUATION OF A PROTOTYPE FIELD-PORTABLE X-RAY FLUORESCENCE SYSTEM FOR HAZARDOUS WASTE SCREENING  

EPA Science Inventory

A prototype field-portable X-ray fluorescence system developed by EPA and NASA was evaluated at a site contaminated with Pb, Zn, and Cu. The objective of the field test was to evaluate the effectiveness of the instrument as a field analytical tool for locating hot spots and as a ...

199

On Ambition, Learning, and Co-Evolution: Building Evaluation as a Field  

ERIC Educational Resources Information Center

The papers in this dialogue help develop evaluation as a field (both in South Asia and other regions). What comes through in all of the papers is both humility of where evaluation is as a field and imagination and ambition of where evaluators could be in the near future. Reading the papers in this forum makes them enthusiastic about being…

Sridharan, Sanjeev; De Silva, Soma

2010-01-01

200

Documenting the Impact of Multisite Evaluations on the Science, Technology, Engineering, and Mathematics Field  

ERIC Educational Resources Information Center

This chapter discusses the impact that four multisite National Science Foundation (NSF) evaluations had on the broader field of science, technology, engineering, and mathematics education and evaluation. Three approaches were used to investigate the broader impact of these evaluations on the field: (a) a citation analysis, (b) an on-line survey,…

Roseland, Denise; Greenseid, Lija O.; Volkov, Boris B.; Lawrenz, Frances

2011-01-01

201

SUPERFUND TREATABILITY CLEARINGHOUSE: SUMMARY REPORT ON THE FIELD INVESTIGATION OF THE SAPP BATTERY SITE JACKSON COUNTY, FLORIDA  

EPA Science Inventory

This treatability study presents the results of field investigations at the Sapp Battery site in Florida, an abandoned battery recycling operation. The site is estimated to contain 14,300 cubic yards of soils with lead levels in excess of 1,000 ppm. The soils in the immediate v...

202

Summary of Field Studies and Uses of the Inventory of Individually Perceived Group Cohesiveness (IIPGC). Technical Report No. 2.  

ERIC Educational Resources Information Center

Specific uses and outcomes of studies conducted with the Inventory of Individually Perceived Group Cohesiveness (IIPGC) are described. This document serves as a supplementary guide to field studies and normative data obtained in reference to the IIPGC. The Inventory of Individually Perceived Group Cohesiveness is a self-report measure of an…

Johnson, David L.

203

Coastal zone wind energy. Part II: Validation of the coastal zone wind power potential. A summary of the field experiment  

Microsoft Academic Search

Procedures have been developed to determine the wind power potential of the coastal region from Maine to Texas. The procedures are based upon a climatological analysis and a mesoscale numerical model. The results of this procedure are encouraging but need to be tested. In January to February 1980 a field measurement program was carried out over the Delmarva Peninsula centered

M. Garstang; R. A. Pielke; J. W. Snow

1980-01-01

204

Field Summary Report for Remedial Investigation of Hanford Site Releases to the Columbia River, Hanford Site, Washington  

SciTech Connect

This report documents field activity associated with the collection, preparation, and shipment of fish samples. The purpose of the report is to describe the sampling locations, identify samples collected, and describe any modifications and additions made to the sampling and analysis plan.

L.C. Hulstrom

2010-09-28

205

Field Summary Report for Remedial Investigation of Hanford Site Releases to the Coumbia River, Hanford Site, Washington  

SciTech Connect

This report summarizes field sampling activities conducted in support of WCH’s Remedial Investigation of Hanford Site Releases to the Columbia River. This work was conducted form 2008 through 2010. The work included preliminary mapping and measurement of Hanford Site contaminants in sediment, pore water, and surface water located in areas where groundwater upwelling were found.

L.C. Hulstrom

2010-11-10

206

Field Summary Report for Remedial Investigation of Hanford Site Releases to the Columbia River, Hanford Site, Washington  

SciTech Connect

This report summarizes field sampling activities conducted in support of WCH’s Remedial Investigation of Hanford Site Releases to the Columbia River. This work was conducted form 2008 through 2010. The work included preliminary mapping and measurement of Hanford Site contaminants in sediment, pore water, and surface water located in areas where groundwater upwelling were found.

L.C. Hulstrom

2010-08-11

207

Complaint summaries.  

PubMed

Service providers and members of the public can, for the first time, read online summaries of complaints investigated by the parliamentary and health service ombudsman. Users can search by organisation, for example by hospital, government department or agency, by city or county, by complaint handling issue such as unnecessary delay, or by what the complaint is about such as sepsis. Cases available at present are from March and April 2014 and do not include those that complainants have asked not to be published. Further summaries will be added. Go to www.ombudsman.org.uk/make-a-complaint/case-summaries to search the database. PMID:25253324

2014-09-25

208

Evaluating Differences in Landscape Interpretation between Webcam and Field-Based Experiences  

ERIC Educational Resources Information Center

Field trips have become less common due to issues including budget constraints and large class sizes. Research suggests that virtual field trips can substitute for field visits, but the role of webcams has not been evaluated. To investigate the potential for webcams to substitute for field trips, participants viewed urban and physical landscapes…

Kolivras, Korine N.; Luebbering, Candice R.; Resler, Lynn M.

2012-01-01

209

Evaluating Differences in Landscape Interpretation between Webcam and Field-Based Experiences  

Microsoft Academic Search

Field trips have become less common due to issues including budget constraints and large class sizes. Research suggests that virtual field trips can substitute for field visits, but the role of webcams has not been evaluated. To investigate the potential for webcams to substitute for field trips, participants viewed urban and physical landscapes either in-person or by webcam. Differences in

Korine N. Kolivras; Candice R. Luebbering; Lynn M. Resler

2012-01-01

210

Evaluating Differences in Landscape Interpretation between Webcam and Field-Based Experiences  

Microsoft Academic Search

Field trips have become less common due to issues including budget constraints and large class sizes. Research suggests that virtual field trips can substitute for field visits, but the role of webcams has not been evaluated. To investigate the potential for webcams to substitute for field trips, participants viewed urban and physical landscapes either in-person or by webcam. Differences in

Korine N. Kolivras; Candice R. Luebbering; Lynn M. Resler

2011-01-01

211

EVALUATION OF THE AGRICULTURAL FIELD SCALE IRRIGATION REQUIREMENT SIMULATION (AFSIRS) IN PREDICTING GOLF COURSE  

E-print Network

EVALUATION OF THE AGRICULTURAL FIELD SCALE IRRIGATION REQUIREMENT SIMULATION (AFSIRS) IN PREDICTING GOLF COURSE IRRIGATION REQUIREMENTS WITH SITE-SPECIFIC DATA By MARK W. MITCHELL A THESIS PRESENTED........................................................................................5 Agricultural Field Scale Irrigation Requirement Simulation (AFSIRS) ......................7

Watson, Craig A.

212

Eubank Field, Kansas: a formation evaluation and secondary recovery project  

E-print Network

acreage in Haskell County (Kansas), a part of the Eubank Field. The Basal Chester sand in the Eubank Field as deposited in a paleovalley system that was incised in the Sainte Genevieve and Saint Louis limestones. Anadarko plans to develop a secondary...

Dexheimer, Dominique

2012-06-07

213

Field evaluation of hazardous waste site bioassessment protocols  

SciTech Connect

The goals were: (1) determine the variability (both within and between laboratories) for the various bioassay procedures using contaminated soil samples from the Rocky Mountain Arsenal (RMA); (2) assess variability within and between plots for several assessment techniques (for sampling small mammals, plants, insects including honeybees and microarthropods) so that field studies could be designed to detect a defined biotic change; (3) establish three field plant transects which are apparently (a) contaminated, (b) appear contaminated and (c) could serve as a control; (4) assess the feasibility (in the laboratory) of using Basin F water to contaminate RMA soil artificially, and to supply information for the design of a field plot study in 1983; (5) attempt to obtain preliminary data on any promising field or laboratory bioassessment techniques not currently mentioned in the statement of work; and (6) obtain field data to assess the ecological status of RMA lakes and compare these observations to results from bioassessment testing.

Thomas, J.M.; Cline, J.F.; Cushing, C.E.; McShane, M.C.; Rogers, J.E.; Rogers, L.E.; Simpson, J.C.; Skalski, J.R.

1983-04-01

214

Electromagnetic Scattered Field Evaluation and Data Compression Using Imaging Techniques  

NASA Technical Reports Server (NTRS)

This is the final report on Project #727625 between The Ohio State University and NASA, Lewis Research Center, Cleveland, Ohio. Under this project, a data compression technique for scattered field data of electrically large targets is developed. The technique was applied to the scattered fields of two targets of interest. The backscattered fields of the scale models of these targets were measured in a ra compact range. For one of the targets, the backscattered fields were also calculated using XPATCH computer code. Using the technique all scattered field data sets were compressed successfully. A compression ratio of the order 40 was achieved. In this report, the technique is described briefly and some sample results are included.

Gupta, I. J.; Burnside, W. D.

1996-01-01

215

Nonprofits and Evaluation: Empirical Evidence from the Field  

ERIC Educational Resources Information Center

The authors explore what evaluation looks like, in practice, among today's nonprofit organizations on the basis of their survey results. The types of evaluation activities nonprofit organizations are engaging in on a regular basis, as well as the types of data they are collecting and how they are using these data, are described. How nonprofits…

Carman, Joanne G.; Fredericks, Kimberly A.

2008-01-01

216

Field evaluation of hazardous waste site bioassessment protocols. Volume 2  

SciTech Connect

The overall goal of the plan was to demonstrate that honeybees could be used in detecting likely areas of chemical pollution, to demonstrate the usefulness of microbial and plant phytoassays, and to demonstrate a relationship between laboratory derived phytotoxicity results and field observations of plant community structure and diversity. Field studies were conducted through a cooperative arrangement with the US Army arsenal in Commerce City, Colorado.

Thomas, J.M.; Cline, J.F.; Gano, K.A.; McShane, M.C.; Rogers, J.E.; Rogers, L.E.; Simpson, J.C.; Skalski, J.R.

1984-04-01

217

Sudbury project (University of Muenster-Ontario Geological Survey): Field studies 1984-1989 - summary of results  

NASA Technical Reports Server (NTRS)

In cooperation between the Ontario Geological Survey and the Institute of Geology and Institute of Planetology, geological, petrological, and geochemical studies were carried out on impact-related phenomena of the Sudbury structure during the last decade. The main results of the field studies are briefly reviewed. Footwall rocks, sublayer, and lower sections of the Sudbury Igneous Complex (SIC) were mainly mapped and sampled in the northern (Levack Township) and western (Trillabelle and Sultana Properties) parts of the north range. Within these mapping areas Sudbury Breccias (SB) and Footwall Breccias (FB) were studied; SB were also investigated along extended profiles beyond the north and south ranges up to 55 km from the SIC. The Onaping Formation (OF) and the upper section of the SIC were studied both in the north range (Morgan and Dowling Townships) and in the southern east range (Capreol and McLennan Townships).

Bischoff, L.; Dressler, B. O.; Avermann, M. E.; Brockmeyer, P.; Lakomy, R.; Mueller-Mohr, V.

1992-01-01

218

Co-ordination of the International Network of Nuclear Structure and Decay Data Evaluators; Summary Report of an IAEA Technical Meeting  

SciTech Connect

The IAEA Nuclear Data Section convened the 18th meeting of the International Network of Nuclear Structure and Decay Data Evaluators at the IAEA Headquarters, Vienna, 23 to 27 March 2009. This meeting was attended by 22 scientists from 14 Member States, plus IAEA staff, concerned with the compilation, evaluation and dissemination of nuclear structure and decay data. A summary of the meeting, recommendations/conclusions, data centre reports, and various proposals considered, modified and agreed by the participants are contained within this document. The International Network of Nuclear Structure and Decay Data (NSDD) Evaluators holds biennial meetings under the auspices of the IAEA, and consists of evaluation groups and data service centres in several countries. This network has the objective of providing up-to-date nuclear structure and decay data for all known nuclides by evaluating all existing experimental data. Data resulting from this international evaluation collaboration is included in the Evaluated Nuclear Structure Data File (ENSDF) and published in the journals Nuclear Physics A and Nuclear Data Sheets (NDS).

Abriola, D.; Tuli, J.

2009-03-23

219

RIDER executive summaryA_071306  

Cancer.gov

RIDER Database Resource: Plans for a Public-Private Partnership Executive Summary 7-13-06 1. Executive Summary: The Reference Image Database to Evaluate Response (RIDER) to therapy in lung cancer began as a highly leveraged and collaborative

220

FIELD EVALUATION OF DNAPL EXTRACTION TECHNOLOGIES: PROJECT OVERVIEW  

EPA Science Inventory

Five DNAPL remediation technologies were evaluated at the Dover National Test Site, Dover AFB, Delaware. The technologies were cosolvent solubilization, cosolvent mobilization, surfactant solubilization, complex sugar flushing and air sparging/soil vapor extraction. The effectiv...

221

CO2 Exchange in a Methane Hydrate Reservoir: Ignik Sikumi #1 Alaska Field Trial Operations and Summary Results  

NASA Astrophysics Data System (ADS)

In the winter of 2012, a CO2 exchange field trial was performed at Prudhoe Bay, Alaska. The goal was to demonstrate the feasibility of CO2 hydrate exchange technology, developed in the laboratory, on a natural methane hydrate-bearing reservoir. This included verifying the chemical exchange of CO2 with methane in addition to maintaining injectivity. Drilled in 2011, the Ignik Sikumi #1 well was perforated in February 2012. The pilot was designed as a 'huff and puff' style test where a single well is used first for injection then followed with production. The target for the test was a 10 m sand zone estimated to contain 70-80% hydrate saturation. For 13 days, over 5600 m3 of a CO2 mixture (77mol% N2, 23 mol% CO2) were injected in the hydrate-bearing interval. Injectivity was maintained over this period. Following injection, flow back commenced over a 30 day period. The production started by maintaining a bottom hole pressure above the dissociation pressure above methane hydrate. At later times, the bottom hole pressure was lowered causing both pore space fluids to be produced along with dissociation of non-exchanged original methane hydrate. In total, over 23,700 m3 of methane was produced over the production period.

Hester, K. C.; Farrell, H.; Howard, J. J.; Martin, K.; Raterman, K.; Schoderbek, D.; Smith, B.; Silpngarmlert, S.

2012-12-01

222

A Comment on "Evaluation Field Building in South Asia: Reflections, Anecdotes, and Questions"  

ERIC Educational Resources Information Center

This paper presents the author's comment on "Evaluation Field Building in South Asia: Reflections, Anecdotes, and Questions" by Katherine Hay. Hay raises a number of extremely relevant issues relating to evaluation field building in South Asia. In this paper, the author aims to underscore the importance of three priorities for initiating public…

Kumar, A. K. Shiva

2010-01-01

223

FIELD EVALUATION OF METHODOLOGY FOR MEASUREMENT OF CADMIUM IN STATIONARY SOURCE STACK GASES  

EPA Science Inventory

A laboratory and field evaluation study was done to develop methodology for the measurement of cadmium in stationary source stack emissions. Field evaluations were performed at a municipal solid waste incinerator and a sewage sludge incinerator. The methodology was tested through...

224

The evaluation map in field theory, sigma-models and strings I  

Microsoft Academic Search

The rôle of the evaluation map in anomaly calculations for field theory, sigma-models and strings is investigated. In this paper, anomalies in field theory (with and without a backgrounds connection), are obtained as pull-backs of suitable forms via evaluation maps. The cohomology of the group of gauge transformations is computed in terms of the cohomology of the base manifold and

L. Bonora; P. Cotta-Ramusino; M. Rinaldi; J D Stasheff

1987-01-01

225

FIELD EVALUATION OF EVAPO-TRANSPIRATION (ET) CAPS  

EPA Science Inventory

A field study was conducted to assess the ability of landfill covers to control percolation into the waste. Performance of one conventional cover was compared to that of two evapotranspiration (ET) tree covers, using large (7 x 14 m) lined lysimeters at the Leon County Solid W...

226

Value-Added Estimates for Phase 1 of the Pennsylvania Teacher and Principal Evaluation Pilot. Executive Summary  

ERIC Educational Resources Information Center

The Commonwealth of Pennsylvania plans to develop a new statewide evaluation system for teachers and principals in its public schools by school year 2013-2014. To inform the development of this evaluation system, the Team Pennsylvania Foundation (Team PA) undertook the first phase of the Pennsylvania Teacher and Principal Evaluation

Lipscomb, Stephen; Chiang, Hanley; Gill, Brian

2012-01-01

227

An Internal Evaluation of a Field-Based Training Component for School Administrators.  

ERIC Educational Resources Information Center

Project ROME-FOCUS (Field-Oriented Competency Utilization System), a competency-based, field-oriented, training program for school administrators was field tested at Valdosta State College, Valdosta, Georgia, January - May, 1976. An internal evaluation conducted by the instructional staff suggested that principals preferred ROME-FOCUS training to…

Licata, Joseph W.

228

An investigation into the use of field methods in the design and evaluation of interactive systems  

Microsoft Academic Search

This paper reports the results of an international web-based survey on the use of field studies in the design and evaluation of interactive systems, which was conducted between December 2006 and February 2007. The results suggest that the advantages and disadvantages of field methods are generally well understood, but guidance is needed in their application and use. Field studies were

Kelly Monahan; Mia Lahteenmaki; Sharon Mcdonald; Gilbert Cockton

2008-01-01

229

Evaluation of different field methods for measuring soil water infiltration  

Microsoft Academic Search

Soil infiltrability, together with rainfall characteristics, is the most important hydrological parameter for the evaluation and diagnosis of the soil water balance and soil moisture regime. Those balances and regimes are the main regulating factors of the on site water supply to plants and other soil organisms and of other important processes like runoff, surface and mass erosion, drainage, etc,

Ildefonso Pla-Sentís; Francisco Fonseca

2010-01-01

230

ESTIMATING SAMPLE REQUIREMENTS FOR FIELD EVALUATIONS OF PESTICIDE LEACHING  

EPA Science Inventory

A method is presented for estimating the number of samples needed to evaluate pesticide leaching threats to ground water at a desired level of precision. Sample size projections are based on desired precision (exhibited as relative tolerable error), level of confidence (90 or 95%...

231

FIELD EVALUATION OF A UTILITY DRY SCRUBBING SYSTEM  

EPA Science Inventory

The report gives results of the first independent evaluation of a full-scale utility spray-dryer/baghouse dry flue gas desulfurization (FGD) system. The system treats flue gas from a nominal 100 MW of coal-fired power generation. The test program, conducted during July-October 19...

232

An evaluation of field projects of steam with additives  

SciTech Connect

The use of additives to improve both steamdrive and cyclic steam injection in field projects has been tested under a variety of conditions. This technique attempts to reduce gravity override and channeling of the steam by foam generation. Another mechanism appears to be detergent cleaning near wellbores by surface-active agents. When successful, this technology seems to be economic even at a low oil price. The results, however, have ranged from excellent to negative. In this paper, the authors attempt toe valuate the field projects published to date. The results of this study show that the use of additives with steam can provide significant benefits over the use of steam alone. Indeed, addition of surfactant to the steam has proved to be both technically and economically successful when the proper products and procedures were used. Caustics have given mixed results but seem to have been effective in at least one cyclic-steam project.

Castanier, L.M.; Brigham, W.E. (Stanford University (US))

1991-02-01

233

Research Summaries  

ERIC Educational Resources Information Center

This article presents summaries of four recent crisis management publications: (1) "Crisis Intervention for Children/Caregivers Exposed to Intimate Partner Violence," summarized by Donna DeVaughn Kreskey; (2) "Predictors of Trauma Reactions Following the 9/11 Terrorist Attacks," summarized by Kelly O'Connor; (3) "Cognitive Coping Styles and PTSD…

Brock, Stephen E., Ed.

2009-01-01

234

Conference Summary  

NASA Astrophysics Data System (ADS)

In this summary we will first talk a little bit about the woman whose work so inspired us and brought us here. We will then describe what we feel we learned this week, and finally we will pose some of the big questions that we are left with.

Massey, P.; Koenigsberger, G.

2008-08-01

235

Research Summaries  

ERIC Educational Resources Information Center

This article presents summaries of recent crisis management publications. The first article summarized provides a review of research documenting that even when children are not physically proximal to a national disaster (9/11), they may still have negative reactions. The second article summarized is an examination of the PTSD diagnostic criterion…

Brock, Stephen E., Ed.; Bratica, Robyn; Dempsey, Jack R.; Karle, Jessica

2009-01-01

236

Theory Summary  

E-print Network

A summary is presented of the more theoretical aspects of the presentations made at Hyperon~99. In addition, some material is covered which was not presented at the symposium but which I feel is pertinent to the main theme of hyperons and/or, more in particular, to discussions conducted during the symposium.

Ratcliffe, P G

2000-01-01

237

Conference Summary  

NASA Astrophysics Data System (ADS)

The conference concluded with summary panel. Each panel member (Nate Bastian, Jim Higdon, and Curt Struck) briefly summarized their impressions of the meeting. The panel then supervised a general discussion. Here a couple of the panelists try to summarize the result.

Struck, Curtis; Bastian, Nate

2010-06-01

238

MEETING SUMMARY  

Cancer.gov

MEETING SUMMARY PRESIDENT'S CANCER PANEL A DIALOGUE BETWEEN THE PRESIDENT’S CANCER PANEL AND THE YAKAMA NATION J u l y 2 9 – 3 0 , 2 0 0 2 T o p p e n i s h , W a s h i n g t o n OVERVIEW The President’s Cancer Panel was chartered to

239

Research Summaries  

ERIC Educational Resources Information Center

This article presents summaries of three recent crisis management publications: (1) "School Violence: Associations With Control, Security/Enforcement, Educational/Therapeutic Approaches, and Demographic Factors," reviewed by Ashlee Barton; (2) "The Relationship Between Cognitive Coping Styles and PTSD in Survivors of Traffic Accidents," summarized…

Brock, Stephen E., Ed.

2009-01-01

240

Performance evaluation of parallel electric field tunnel field-effect transistor by a distributed-element circuit model  

NASA Astrophysics Data System (ADS)

The performance of parallel electric field tunnel field-effect transistors (TFETs), in which band-to-band tunneling (BTBT) was initiated in-line to the gate electric field was evaluated. The TFET was fabricated by inserting an epitaxially-grown parallel-plate tunnel capacitor between heavily doped source wells and gate insulators. Analysis using a distributed-element circuit model indicated there should be a limit of the drain current caused by the self-voltage-drop effect in the ultrathin channel layer.

Morita, Yukinori; Mori, Takahiro; Migita, Shinji; Mizubayashi, Wataru; Tanabe, Akihito; Fukuda, Koichi; Matsukawa, Takashi; Endo, Kazuhiko; O'uchi, Shin-ichi; Liu, Yongxun; Masahara, Meishoku; Ota, Hiroyuki

2014-12-01

241

A Summary of INEEL Calcine Properties Used to Evaluate Direct Calcine Disposal in the Yucca Mountain Repository  

SciTech Connect

To support evaluations of the direct disposal of Idaho National Engineering and Environmental Laboratory calcines to the repository at Yucca Mountain, an evaluation of the performance of the calcine in the repository environment must be performed. This type of evaluation demonstrates, through computer modeling and analysis, the impact the calcine would have on the ability of the repository to perform its function of containment of materials during the repository lifetime. This report discusses parameters that were used in the scoping evaluation conducted in FY 2003. It provides nominal values for the parameters, with explanation of the source of the values, and how the values were modified for use in repository analysis activities.

C. A. Dahl

2003-07-01

242

Field Evaluation of Anti-Biofouling Compounds on Optical Instrumentation  

NASA Technical Reports Server (NTRS)

Biofouling has been a serious question in the stability of optical measurements in the ocean, particularly in moored and drifting buoy applications. Many investigators coat optical surfaces with various compounds to reduce the amount of fouling; to our knowledge, however, there are no objective, in-situ comparative testing of these compounds to evaluate their effectiveness with respect to optical stability relative to untreated controls. We have tested a wide range of compounds at in-situ locations in Halifax Harbour and in the Adriatic Sea on passive optical sensors. Compounds tested include a variety of TBT formulations, antifungal agents, and low-friction silicone-based compounds; time-scales of up to four months were evaluated. The results of these experiments are discussed.

McLean, Scott; Schofield, Bryan; Zibordi, Giuseppe; Lewis, Marlon; Hooker, Stanford; Weidemann, Alan

1997-01-01

243

Field evaluation of a new grocery checkstand design.  

PubMed

A novel express checkstand with basket cut-out was developed and evaluated in a small grocery store chain. Eight checkers performed three trials of simulated grocery checkout work with actor customers using both old and new checkstand designs. Usability was assessed by survey, structured interview and observation. Time-motion video analysis was used to evaluate differences in body postures, motions, and productivity. The new express checkstand design, which lowered and angled the presentation of the grocery basket, significantly (p<0.05) reduced right wrist flexion duration and repetition, and right arm elevation repetition. No significant differences were found in job cycle time between designs. These results demonstrate the utility of a new express checkstand design that could reduce extreme postures and motions with no loss in productivity. PMID:17459322

Spielholz, Peregrin; Howard, Ninica; Carcamo, Ernesto; Coulter, Bruce

2008-01-01

244

Personal Radiation Detector Field Test and Evaluation Campaign  

SciTech Connect

Following the success of the Anole test of portable detection system, the U.S. Department of Homeland Security (DHS) Domestic Nuclear Detection Office organized a test and evaluation campaign for personal radiation detectors (PRDs), also known as 'Pagers'. This test, 'Bobcat', was conducted from July 17 to August 8, 2006, at the Nevada Test Site. The Bobcat test was designed to evaluate the performance of PRDs under various operational scenarios, such as pedestrian surveying, mobile surveying, cargo container screening, and pedestrian chokepoint monitoring. Under these testing scenarios, many operational characteristics of the PRDs, such as gamma and neutron sensitivities, positive detection and false alarm rates, response delay times, minimum detectable activities, and source localization errors, were analyzed. This paper will present the design, execution, and methodologies used to test this equipment for the DHS.

Chris A. Hodge, Ding Yuan, Raymond P. Keegan, Michael A. Krstich

2007-07-09

245

Cobra sealing system; From field evaluation to practical safeguards application  

SciTech Connect

After a successful conclusion of the Cobra seal IAEA field trials, the Cobra Seal System was installed in two Canadian facilities. The seals permit on-site verification without needing to replace them in extreme weather conditions, thus allowing a substantial time reduction for inspectors as well as minimizing intrusiveness of these activities. The paper describes experiences with practical installations of almost sixty Cobra seals including the selection of environmental conduits and housing. Examples of the results of the first several inspections utilizing a new version of the Cobra seal verifier are also included. Possible future outdoor applications of Cobra seals are described and some suggested improvements are outlined.

Vodrazka, P.; Cermak, L. (International Atomic Energy Agency, Vienna (Austria))

1991-01-01

246

Evaluation of the Texas Technology Immersion Pilot: An Analysis of Second-Year (2005-06) Implementation. Executive Summary  

ERIC Educational Resources Information Center

The Technology Immersion Pilot (TIP), a project sponsored by the Texas Education Agency (TEA), leverages federal Title II, Part D funds to support a wireless learning environment for high-need middle schools. A concurrent research project funded by a federal Evaluating State Educational Technology Programs grant is evaluating whether student…

Texas Center for Educational Research, 2007

2007-01-01

247

Evaluation of Occupational Cold Environments: Field Measurements and Subjective Analysis  

PubMed Central

The present work is dedicated to the study of occupational cold environments in food distribution industrial units. Field measurements and a subjective assessment based on an individual questionnaire were considered. The survey was carried out in 5 Portuguese companies. The field measurements include 26 workplaces, while a sample of 160 responses was considered for the subjective assessment. In order to characterize the level of cold exposure, the Required Clothing Insulation Index (IREQ) was adopted. The IREQ index highlights that in the majority of the workplaces the clothing ensembles worn are inadequate, namely in the freezing chambers where the protection provided by clothing is always insufficient. The questionnaires results show that the food distribution sector is characterized by a female population (70.6%), by a young work force (60.7% are less than 35?yr old) and by a population with a medium-length professional career (80.1% in this occupation for less than 10?yr). The incidence of health effects which is higher among women, the distribution of protective clothing (50.0% of the workers indicate one garment) and the significant percentage of workers (>75%) that has more difficulties in performing the activity during the winter represent other important results of the present study. PMID:24583510

OLIVEIRA, A. Virgilio M.; GASPAR, Adelio R.; RAIMUNDO, Antonio M.; QUINTELA, Divo A.

2014-01-01

248

Preliminary field evaluation of high efficiency steel filters  

SciTech Connect

The authors have conducted an evaluation of two high efficiency steel filters in the exhaust of an uranium oxide grit blaster at the Y-12 Plant in Oak Ridge Tennessee. The filters were installed in a specially designed filter housing with a reverse air-pulse cleaning system for automatically cleaning the filters in-place. Previous tests conducted on the same filters and housing at LLNL under controlled conditions using Arizona road dust showed good cleanability with reverse air pulses. Two high efficiency steel filters, containing 64 pleated cartridge elements housed in the standard 2{prime} x 2{prime} {times} l{prime} HEPA frame, were evaluated in the filter test housing using a 1,000 cfm slip stream containing a high concentration of depleted uranium oxide dust. One filter had the pleated cartridges manufactured to the authors specifications by the Pall Corporation and the other by Memtec Corporation. Test results showed both filters had a rapid increase in pressure drop with time, and reverse air pulses could not decrease the pressure drop. The authors suspected moisture accumulation in the filters was the problem since there were heavy rains during the evaluations, and the pressure drop of the Memtec filter decreased dramatically after passing clean, dry air through the filter and after the filter sat idle for one week. Subsequent laboratory tests on a single filter cartridge confirmed that water accumulation in the filter was responsible for the increase in filter pressure drop and the inability to lower the pressure drop by reverse air pulses. No effort was made to identify the source of the water accumulation and correct the problem because the available funds were exhausted.

Bergman, W.; Larsen, G.; Lopez, R.; Wilson, K. [Lawrence Livermore National Lab., CA (United States); Simon, K.; Frye, L. [Martin Marietta Energy Systems, Inc., Oak Ridge, TN (United States). Oak Ridge Y-12 Plant

1994-11-01

249

3M microloop field evaluation report. Final research report  

SciTech Connect

This report looks at the effectiveness of microloops as replacements for the inductive loops that are used as advance detection sensors at actuated signalized intersections. It also evaluated whether different loop detector models from several manufacturers can operate satisfactorily and consistently when attached to the microloop, and also determined the performance accuracy of loop detectors attached to a one-probe microloop or to a two-probe microloop. The strong attributes of microloop-based traffic sensors include shorter installation time, less pavement invasion, and improved life-cycle costs compared to traditional saw cut inductive loops, while providing consistent and accurate performance under all environmental and road conditions.

Betts, R.M.; Hookman, E.

1999-04-01

250

3M microloop field evaluation report: Appendices. Final research report  

SciTech Connect

This report looks at the effectiveness of microloops as replacements for the inductive loops that are used as advance detection sensors at actuated signalized intersections. It also evaluated whether different loop detector models from several manufacturers can operate satisfactorily and consistently when attached to the microloop, and also determined the performance accuracy of loop detectors attached to a one-probe microloop or to a two-probe microloop. The strong attributes of microloop-based traffic sensors include shorter installation time, less pavement invasion, and improved life-cycle costs compared to traditional saw cut inductive loops, while providing consistent and accurate performance under all environmental and road conditions.

Betts, R.M.; Hookman, E.

1999-04-01

251

Evaluation of field development plans using 3-D reservoir modelling  

SciTech Connect

Three-dimensional reservoir modelling has become an accepted tool in reservoir description and is used for various purposes, such as reservoir performance prediction or integration and visualisation of data. In this case study, a small Northern North Sea turbiditic reservoir was to be developed with a line drive strategy utilising a series of horizontal producer and injector pairs, oriented north-south. This development plan was to be evaluated and the expected outcome of the wells was to be assessed and risked. Detailed analyses of core, well log and analogue data has led to the development of two geological {open_quotes}end member{close_quotes} scenarios. Both scenarios have been stochastically modelled using the Sequential Indicator Simulation method. The resulting equiprobable realisations have been subjected to detailed statistical well placement optimisation techniques. Based upon bivariate statistical evaluation of more than 1000 numerical well trajectories for each of the two scenarios, it was found that the wells inclinations and lengths had a great impact on the wells success, whereas the azimuth was found to have only a minor impact. After integration of the above results, the actual well paths were redesigned to meet external drilling constraints, resulting in substantial reductions in drilling time and costs.

Seifert, D.; Lewis, J.J.M. [Heriot-Watt Univ., Edinburgh (United Kingdom); Newbery, J.D.H. [Conoco, UK Ltd., Aberdeen (United Kingdom)] [and others

1997-08-01

252

Evaluation of membrane filter field monitors for microbiological air sampling  

NASA Technical Reports Server (NTRS)

Due to area constraints encountered in assembly and testing areas of spacecraft, the membrane filter field monitor (MF) and the National Aeronautics and Space Administration-accepted Reyniers slit air sampler were compared for recovery of airborne microbial contamination. The intramural air in a microbiological laboratory area and a clean room environment used for the assembly and testing of the Apollo spacecraft was studied. A significantly higher number of microorganisms was recovered by the Reyniers sampler. A high degree of consistency between the two sampling methods was shown by a regression analysis, with a correlation coefficient of 0.93. The MF samplers detected 79% of the concentration measured by the Reyniers slit samplers. The types of microorganisms identified from both sampling methods were similar.

Fields, N. D.; Oxborrow, G. S.; Puleo, J. R.; Herring, C. M.

1974-01-01

253

Functional evaluation of the Los Angeles smart card field operational test  

Microsoft Academic Search

This paper summarizes the functional evaluation of an Advanced Fare Payment System deployed in Los Angeles in the summer of 1994. The functional evaluation is part of a larger Field Operational Test evaluation (Chira-Chavala, T., and Coifman, B., 1996. Impacts of Smart Cards on Transit Operators: Evaluation of I–110 Corridor Smart Card Demonstration Project. UCB-ITS-PRR-96-17, Institute of Transportation Studies, California

James E. Moore II; Genevieve Giuliano

1998-01-01

254

Pollution prevention possibilities for small and medium-sized industries: The Waste Reduction Innovative Technologies Evaluation (WRITE) project summary  

SciTech Connect

The Waste Reduction Innovative Technologies Evaluation Program (WRITE) was a pilot program with six (6) states and one (1) local government to identify priority needs at the respective governmental level, find promising waste minimization technologies and perform an evaluation to determine performance, pollution prevention impact and costs in a before and after scenario. The research concentrated on environmental problem and Pollution Prevention (P2) opportunities for small to medium-sized businesses, technology at pilot- or full-scale, and use of voluntary business/EPA partnerships for the evaluation of innovative ways of reducing pollution at the source. A total of 41 technologies were tested and evaluated. For the applications investigated, a large portion demonstrated that the technology could provide equal or better performance in service or product produced, while reducing amounts and toxicities of the primary pollutants traditionally generated, and realize cost savings, at times with payback periods of less than two years.

Licis, I.J. [Environmental Protection Agency, Cincinnati, OH (United States)

1995-10-01

255

Spent-Fuel Test - Climax: An evaluation of the technical feasibility of geologic storage of spent nuclear fuel in granite: Executive summary of final results  

SciTech Connect

This summary volume outlines results that are covered in more detail in the final report of the Spent-Fuel Test - Climate project. The project was conducted between 1978 and 1983 in the granitic Climax stock at the Nevada Test Site. Results indicate that spent fuel can be safely stored for periods of years in this host medium and that nuclear waste so emplaced can be safely retrieved. We also evaluated the effects of heat and radiation (alone and in combination) on emplacement canisters and the surrounding rock mass. Storage of the spent-fuel affected the surrounding rock mass in measurable ways, but did not threaten the stability or safety of the facility at any time.

Patrick, W.C.

1986-09-02

256

CAPSULE REPORT: DISPOSAL OF FLUE GAS DESULFURIZATION WASTES: SHAWNEE FIELD EVALUATION  

EPA Science Inventory

This capsule report describes activities and results of the Shawnee FGD Field Disposal Evaluation Project, located near Paducah, KY. valuated in this report are FGD wastes that were either chemically treated, left untreated, or force-oxidized to gypsum....

257

Evaluation of WRF mesoscale simulations and particle trajectory analysis for the MILAGRO field campaign  

E-print Network

Accurate numerical simulations of the complex wind flows in the Mexico City Metropolitan Area (MCMA) can be an invaluable tool for interpreting the MILAGRO field campaign results. This paper uses three methods to evaluate ...

de Foy, B.

258

Regional School Counselor Trainings for Children from Dysfunctional Families with Alcohol and Drug Problems: Final Evaluation Report Summary.  

ERIC Educational Resources Information Center

School personnel need help in assisting at-risk students. The efforts of one school district to accomplish this goal are summarized here. The project provided a variety of training in: (1) the field of drug and alcohol prevention; (2) counseling and referral services to school counselors, nurses, psychologists, and social workers involved in…

Armijo, Eduardo J.; Smith, Albert J., Jr.

259

Radiation Isotope Identification Device (RIIDs) Field Test and Evaluation Campaign  

SciTech Connect

Handheld, backpack, and mobile sensors are elements of the Global Nuclear Detection System for the interdiction and control of illicit radiological and nuclear materials. They are used by the U.S. Department of Homeland Security (DHS) and other government agencies and organizations in various roles for border protection, law enforcement, and nonproliferation monitoring. In order to systematically document the operational performance of the common commercial off-the-shelf portable radiation detection systems, the DHS Domestic Nuclear Detection Office conducted a test and evaluation campaign conducted at the Nevada Test Site from January 18 to February 27, 2006. Named 'Anole', it was the first test of its kind in terms of technical design and test complexities. The Anole test results offer users information for selecting appropriate mission-specific portable radiation detection systems. The campaign also offered manufacturers the opportunity to submit their equipment for independent operationally relevant testing to subsequently improve their detector performance. This paper will present the design, execution, and methodologies of the DHS Anole portable radiation detection system test campaign.

Christopher Hodge, Raymond Keegan

2007-08-01

260

Digital imaging techniques for blasting process evaluation in field  

SciTech Connect

Direct visualization of rock movement during blasting is an important key to understanding the blasting process, as well as optimizing blast designs and explosives performance. To achieve this, a digital camera system (HSIS-500) has been built. It is a custom made high speed solid-state camera employing an advanced charge coupled device (CCD) and dynamic random access memory (DRAM) technologies. It handles like a regular video camera but requires no film or tape as the image is recorded in digital form on memory chips and transferred to the system hard disk for storage. The system consists of two components: the camera body and hardware, and the image processing unit. The imaging rate is sized at 425 frames/s; it can also be used in the single frame mode. The recording duration can be set at 5, 10, 15 and 20 seconds. The camera can be triggered manually or by wireless remote control, and is capable of recording transient images in extremely low lights. The captured images can be displayed immediately on a video screen or a computer monitor. The system image analysis software can be run in the field for a quick preview. The full features of the software allows the detailed motion digitization in Windows {trademark} for obtaining target displacement as well as velocity. The system has been in use for over a year in several mines and quarries under extreme weather conditions ({minus}20 C to +43 C). The paper describes the basic principles and features of the digital imaging system, and its actual use in blast diagnostics and optimization, and in modelling of the blasting process.

Chung, S.H. [ICI Explosives Canada Inc., North York, Ontario (Canada)

1996-12-01

261

Development of a Characterized Radiation Field for Evaluating Sensor Performance  

SciTech Connect

Numerous efforts are funded by US agencies (DOE, DoD, DHS) for development of novel radiation sensing and measurement systems. An effort has been undertaken to develop a flexible shielding system compatible with a variety of sources (beta, X-ray, gamma, and neutron) that can be highly characterized using conventional radiation detection and measurement systems. Sources available for use in this system include americium-beryllium (AmBe), plutonium-beryllium (PuBe), strontium-90 (Sr-90), californium-252 (Cf-252), krypton-85 (Kr-85), americium-241 (Am-241), and depleted uranium (DU). Shielding can be varied by utilization of materials that include lexan, water, oil, lead, and polyethylene. Arrangements and geometries of source(s) and shielding can produce symmetrical or asymmetrical radiation fields. The system has been developed to facilitate accurately repeatable configurations. Measurement positions are similarly capable of being accurately re-created. Stand-off measurement positions can be accurately re-established using differential global positioning system (GPS) navigation. Instruments used to characterize individual measurement locations include a variety of sodium iodide (NaI(Tl)) (3 x 3 inch, 4 x 4 x 16 inch, Fidler) and lithium iodide (LiI(Eu)) detectors (for use with multichannel analyzer software) and detectors for use with traditional hand held survey meters such as boron trifluoride (BF{sub 3}), helium-3 ({sup 3}He), and Geiger-Mueller (GM) tubes. Also available are Global Dosimetry thermoluminescent dosimeters (TLDs), CR39 neutron chips, and film badges. Data will be presented comparing measurement techniques with shielding/source configurations. The system is demonstrated to provide a highly functional process for comparison/characterization of various detector types relative to controllable radiation types and levels. Particular attention has been paid to use of neutron sources and measurements. (authors)

Rogers, D.M.; Coggins, T.L.; Marsh, J.; Mann, St.D.; Waggoner, Ch.A. [Institute for Clean Energy Technology (ICET) and Office of Regulatory Compliance, Mississippi State University, Starkville, MS (United States)

2008-07-01

262

Rice and cold stress: methods for its evaluation and summary of cold tolerance-related quantitative trait loci  

PubMed Central

Cold stress adversely affects rice (Oryza sativa L.) growth and productivity, and has so far determined its geographical distribution. Dissecting cold stress-mediated physiological changes and understanding their genetic causes will facilitate the breeding of rice for cold tolerance. Here, we review recent progress in research on cold stress-mediated physiological traits and metabolites, and indicate their roles in the cold-response network and cold-tolerance evaluation. We also discuss criteria for evaluating cold tolerance and evaluate the scope and shortcomings of each application. Moreover, we summarize research on quantitative trait loci (QTL) related to cold stress at the germination, seedling, and reproductive stages that should provide useful information to accelerate progress in breeding cold-tolerant rice. PMID:25279026

2014-01-01

263

EXECUTIVE SUMMARY  

E-print Network

This study was conducted to evaluate the potential for leaching of metals from fly ash stabilized subgrade soils used in highway construction. Four different tasks were undertaken: (1) water leach testing (WLT), (2) laboratory column testing, (3) field lysimeter testing, and (4) numerical modeling. Testing was conducted on soil-fly ash mixtures that were prepared with three locally available fly ashes and four subgrade soils representing a range of subgrade soil conditions that might be encountered in Wisconsin. The WLTS showed that concentrations of metals in the leachate from soil-fly ash mixtures tend to be lower (1.5 to 2.5 times) than those from fly ash alone. The concentration increases non-linearly with increasing fly ash content, and cannot be estimated from a simple dilution calculation. The partitioning of metals between the solid and liquid phases is non-linear because the pH of the leachate increases nonlinearly with increasing fly ash content. Column leaching tests conducted in the laboratory showed that the pH of the effluent and initial effluent concentration from soil-fly ash mixtures increases with

Md Sazzad Bin-shafique; Craig H. Benson; Tuncer B. Edil

264

Elderly workers in chemical, energetic, sanitary and public fields: Evaluation of work ability  

Microsoft Academic Search

The WAI (Work Ability Index) questionnaire, that evaluates the perceived work ability, has been given to a sample of 416 workers from chemical, energetic, sanitary and public fields. Results show a negative correlation between age and WAI score, that is a work ability decrease by aging. The total WAI score is lower in working fields where a more psycho-physical effort

L. Tobia; A. Giammaria; S. Pizzuti; F. Gioia; A. Lupi; G. Spera; A. Paoletti

2005-01-01

265

FIELD-SCALE EVALUATION OF IN SITU COSOLVENT FLUSHING FOR ENCHANCED AQUIFER REMEDIATION  

EPA Science Inventory

A comprehensive, field-scale evaluation of in situ cosolvent flushing for enhanced remediation of nonaqueous phase liquid (NAPL)-contaminated aquifers was performed in a hydraulically isolated test cell (about 4.3 m x 3.6 m) constructed at a field site at Hill Air Force Base, Uta...

266

Me and My Environment Formative Evaluation Report 1. Arranging Field Tests: Characteristics of Sites and Students.  

ERIC Educational Resources Information Center

The first in a series of evaluation reports gives characteristics of sites and approximately 500 students in field tests of Me and My Environment, a 3-year life science curriculum for 13- to 16-year-old educable mentally handicapped (EMH) adolescents. Described are the field test design, which involves 14 data gathering approaches, and the…

Steele, Joe M.

267

Evaluation of One- and Two-Day Forestry Field Programs for Elementary School Children  

ERIC Educational Resources Information Center

The methods and findings from a program evaluation of a forestry field visit for second grade students are detailed in this article. A pretest, posttest methodology was used to determine changes in students' (n = 133) attitudes and knowledge before and after the field experience(s). Interviews and surveys were conducted with students, teachers (n…

Powers, Amy L.

2004-01-01

268

Essential issues for the Design of Open Learning Environments emerging from a field evaluation study  

Microsoft Academic Search

This study presents a framework for the evaluation of open learning environments integrating methodologies both from Education and from Human Computer Interaction. This framework emphasize, the role of field studies using real students, the formation of hypotheses using qualitative methodologies to analyze the field data and task analytic methodologies namely: Hierarchical Task Analysis (HTA) and Goals, Operators, Methods and Selection

Maria Kordaki; Nikolaos Avouris

269

Development of a Design for Evaluation of the Podiatric Medicine Training Grant Program. Final Report and Executive Summary.  

ERIC Educational Resources Information Center

Information is presented on an evaluation design for a federal program, the Podiatric Medicine Training Grant Program. The program supports the clinical training of third- and fourth-year podiatric medical students in underserved areas. Background information is provided on: the supply and distribution of health professionals and podiatrists in…

American Association of Colleges of Podiatric Medicine, Washington, DC.

270

Medicare Participating Health Bypass Center Demonstration: Final Evaluation Report. Executive Summary to Volume 2. Marketing Activities of Participating Hospitals.  

National Technical Information Service (NTIS)

The report is part of the final evaluation of the first three years of the Medicare Participating Heart Bypass Center demonstration paying a single global amount to hospitals covering all Part A and B inpatient services. The report presents quantitative a...

R. J. Rubin, P. B. Pollard, T. B. Condon, K. L. Combs, S. S. Yu

1994-01-01

271

Putting Youth Relationship Education on the Child Welfare Agenda: Findings from a Research and Evaluation Review. Executive Summary  

ERIC Educational Resources Information Center

Child Trends reviewed existing evidence on a somewhat neglected topic: relationship education for youth in foster care. The goals of this research review were to identify the needs of disadvantaged young people around intimate partner relationships, to identify evaluated relationship education programs, to highlight and synthesize common themes…

Scott, Mindy E.; Moore, Kristin Anderson; Hawkins, Alan J.; Malm, Karin; Beltz, Martha

2012-01-01

272

Alternative Student Growth Measures for Teacher Evaluation: Profiles of Early-Adopting Districts. Summary. REL 2014-016  

ERIC Educational Resources Information Center

States and districts are beginning to use student achievement growth--as measured by state assessments (often using statistical techniques known as value-added models or student growth models)--as part of their teacher evaluation systems. But this approach has limited application in most states, because their assessments are typically administered…

Gill, Brian; English, Brittany; Furgeson, Joshua; McCullough, Moira

2014-01-01

273

Summary of the Fourth Report on the Diagnosis, Evaluation, and Treatment of High Blood Pressure in Children and Adolescents  

NSDL National Science Digital Library

This is a special report by The Working Group on High Blood Pressure in Children and Adolescents to inform clinicians on recent scientific evidence related to blood pressure in children and to offer recommendations for evaluation and treatment of hypertension in these patients.

2004-01-01

274

The Case for Pre-K in Education Reform: A Summary of Program Evaluation Findings. Research Series  

ERIC Educational Resources Information Center

For state and federal officials seeking to improve school performance, 50 years of evidence shows that high-quality, voluntary pre-kindergarten is among the best strategies for education reform. This brief from Pew's Pre-K Now initiative highlighted findings from evaluations of state-funded Pre-K programs that continue to document gains in key…

Wat, Albert

2010-01-01

275

PROJECT SUMMARY - ASSESSMENT OF EXISTING TEST REPORTS FOR EVALUATING VOC CONTROL EFFECTIVENESS (EPA/600/SR-99/087)  

EPA Science Inventory

The report outlines the approach taken by EPA to review existing test reports for evaluating volatile organic compound (VOC) control device effectiveness and identifying missing control device effectiveness information. A format is presented to provide guidance and serve as the b...

276

How Service Works. Summary of the W. K. Kellogg Foundation's "Service Works": A Retrospective Evaluation of Higher Education Service Programs.  

ERIC Educational Resources Information Center

Service learning is an undergraduate education strategy found across four program areas funded by the W. K. Kellogg Foundation (WKKF). This cross-foundation, retrospective evaluation examines 35 projects of $100,000 or more funded between 1985-95. Study information was based on qualitative data and approaches, with the majority of project…

Kellogg Foundation, Battle Creek, MI.

277

EVALUATION OF ALTERNATIVE TREATMENT TECHNOLOGIES FOR CERCLA SOILS AND DEBRIS (SUMMARY OF PHASE I AND PHASE II)  

EPA Science Inventory

This study was conducted in two phases. n the first phase, a synthetic soil matrix was prepared as a theoretical composite of Superfund soils nationwide. n the second phase, soils from actual Superfund sites were treated. hree treatment technologies were evaluated in both phases:...

278

How States Use Student Learning Objectives in Teacher Evaluation Systems: A Review of State Websites. Summary. REL 2014-013  

ERIC Educational Resources Information Center

Motivated by the need to improve teaching and learning and by federal priorities reflected in requirements for grant programs such as Race to the Top and the Teacher Incentive Fund, many states are developing teacher evaluation systems that include measures of individual teachers' contributions to their students' learning growth. One way…

Lacireno-Paquet, Natalie; Morgan, Claire; Mello, Daniel

2014-01-01

279

Systematic evaluation of ground and geostationary magnetic field predictions generated by global magnetohydrodynamic models  

Microsoft Academic Search

In this work a systematic evaluation of ground and geostationary magnetic field predictions generated by a set of global magnetohydrodynamic (MHD) models is carried out. The evaluation uses four geospace storm events and ground magnetometer station and geostationary GOES data for comparisons between model output and observations. It is shown that metrics analysis of two different geospace parameters, i.e., geostationary

A. Pulkkinen; L. Rastätter; M. Kuznetsova; M. Hesse; A. Ridley; J. Raeder; H. J. Singer; A. Chulaki

2010-01-01

280

Use of a short-term inpatient model to evaluate aberrant behavior: outcome data summaries from 1996 to 2001.  

PubMed Central

Previous outcome studies have provided descriptions of functional analyses conducted in outpatient clinics (Derby et al., 1992), long-term inpatient programs (Iwata, Pace, et al., 1994), and home environments (Wacker et al., 1998). This study provides a description of 138 children and adults with and without developmental disabilities who were evaluated and treated for aberrant behaviors on a short-term inpatient unit. The results indicated that the functional analyses conducted during a short-term inpatient evaluation were successful for 96% of the participants in identifying maintaining reinforcers of aberrant behavior and leading to an 80% or greater reduction in aberrant behavior for 76% of the participants in an average of 10 days. PMID:15529887

Asmus, Jennifer M; Ringdahl, Joel E; Sellers, Jennifer A; Call, Nathan A; Andelman, Marc S; Wacker, David P

2004-01-01

281

Summary report on the evaluation of a 1977--1985 edited sorption data base for isotherm modeling  

SciTech Connect

Sorption data bases collected by Los Alamos National Laboratory (LANL) from 1977 to 1985 for the Yucca Mountain Project.(YMP) have been inventoried and fitted with isotherm expressions. Effects of variables (e.g., particle size) on the isotherm were also evaluated. The sorption data are from laboratory batch measurements which were not designed specifically for isotherm modeling. However a limited number of data sets permitted such modeling. The analysis of those isotherm data can aid in the design of future sorption experiments and can provide expressions to be used in radionuclide transport modeling. Over 1200 experimental observations were inventoried for their adequacy to be modeled b isotherms and to evaluate the effects of variables on isotherms. About 15% of the observations provided suitable data sets for modeling. The data sets were obtained under conditions that include ambient temperature and two atmospheres, air and CO{sub 2}.

Polzer, W.L.; Beckman, R.J. [Los Alamos National Lab., NM (United States); Fuentes, H.R.; Yong, C.; Chan, P. [Texas Univ., El Paso, TX (United States); Rao, M.G. [Howard Univ., Washington, DC (United States)

1993-09-01

282

Evaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania; a summary report, 1982-90  

USGS Publications Warehouse

Pipe-outlet terracing was effective in reducing sediment losses from a field site, but total nitrogen and phosphorus losses with runoff were not significantly different before and after terracing. Median concentrations of dissolved nitrate in several ground-water sampling locations increased after terrace installation. Dissolved nitrate concentrations in ground water decreased significantly after nutrient-management implementation. Findings indicate that agricultural-management practices to improve water quality are most effective if their overall design effects on surface- and ground-water systems are considered in their design.

Lietman, Patricia L.

1997-01-01

283

Inverse three-dimensional method for fast evaluation of temperature and heat flux fields during rolling process  

E-print Network

Inverse three-dimensional method for fast evaluation of temperature and heat flux fields during of an on-line industrial tool for evaluating industrial temperature fields in real time during the rolling is therefore needed. Therefore highly heterogeneous temperature fields and heat fluxes can be evaluating

Boyer, Edmond

284

Summary of the SWOT panel's evaluation of the organisation and financing of the Danish health care system.  

PubMed

The organisation and financing of the Danish health care system was evaluated within a framework of a SWOT analysis (analysis of strengths, weaknesses, opportunities and threats) by a panel of five members with a background in health economics. This paper systematically summarises the panel's assessments, within the framework of the triangular model of health care. The members of the panel are in agreement on a number of aspects, while their views on other aspects differ. In general they find many strength in the way the system is organised and financed more so in the primary sector than in the hospital sector. PMID:11755998

Christiansen, Terkel

2002-02-01

285

Evaluating Attitudes towards Changes in Rural Landscape by Grazing Cattle on Abandoned Paddy Fields  

NASA Astrophysics Data System (ADS)

The appearance of cattle grazing abandoned paddy fields can be used to evaluate attitudes towards this land-use change. The semantic differential (SD) method was used families of a university student to evaluate and compare attitudes towards five types of rural landscape: pasture, pasture grazed by cattle, rice paddy field, abandoned paddy field converted to pasture and abandoned paddy field converted to pasture grazed by cattle. Cattle grazing abandoned paddy fields were determined to have a positive effect on the landscape. However, all grazing cattle created a negative attitude because of the unclean appearance of the landscape. Grazing cattle at high stocking rates in small areas could create a negative attitude because of the oppressive appearance of the landscape. The acceptance of grazing cattle was lower if the animals ware newly introduced to the landscape.

Yasuhito, Kitai; Toshihiro, Hattori; Hiroshi, Takahashi

286

Evaluation of melter technologies for vitrification of Hanford site low-level tank waste - phase 1 testing summary report  

SciTech Connect

Following negotiation of the fourth amendment to the Tri- Party Agreement for Hanford Site cleanup, commercially available melter technologies were tested during 1994 and 1995 for vitrification of the low-level waste (LLW) stream to be derived from retrieval and pretreatment of the radioactive defense wastes stored in 177 underground tanks. Seven vendors were selected for Phase 1 testing to demonstrate vitrification of a high-sodium content liquid LLW simulant. The tested melter technologies included four Joule-heated melters, a carbon electrode melter, a combustion melter, and a plasma melter. Various dry and slurry melter feed preparation processes also were tested. The technologies and Phase 1 testing results were evaluated and a preliminary technology down-selection completed. This report describes the Phase 1 LLW melter vendor testing and the tested technologies, and summarizes the testing results and the preliminary technology recommendations.

Wilson, C.N., Westinghouse Hanford

1996-06-27

287

Evaluation and Ranking of Geothermal Resources for Electrical Generation or Electrical Offset in Idaho, Montana, Oregon and Washington. Executive Summary.  

SciTech Connect

The objective was to consolidate and evaluate all geologic, environmental, legal, and institutional information in existing records and files, and to apply a uniform methodology to the evaluation and ranking of all known geothermal sites. This data base would enhance the making of credible forecasts of the supply of geothermal energy which could be available in the region over a 20 year planning horizon. The four states, working under a cooperative agreement, identified a total of 1265 potential geothermal sites. The 1265 sites were screened to eliminate those with little or no chance of providing either electrical generation and/or electrical offset. Two hundred and forty-five of the original 1265 sites were determined to warrant further study. On the basis of a developability index, 78 high temperature sites and 120 direct utilization sites were identified as having ''good'' or ''average'' potential for development and should be studied in detail. On the basis of cost, at least 29 of the high temperature sites appear to be technically capable of supporting a minimum total of at least 1000 MW of electrical generation which could be competitive with the busbar cost of conventional thermal generating technologies. Sixty direct utilization sites have a minimum total energy potential of 900+ MW and can be expected to provide substantial amounts of electrical offset at or below present conventional energy prices. Five direct utilization sites and eight high temperature sites were identified with both high development and economic potential. An additional 27 sites were shown to have superior economic characteristics, but development problems. 14 refs., 15 figs., 10 tabs.

Bloomquist, R. Gordon

1985-06-01

288

Summary of a workshop on interpreting bioaccumulation data collected during regulatory evaluations of dredged material. Final report  

SciTech Connect

Evaluating the environmental consequences of contaminant bioaccumulation resulting from dredged material disposal is a complex technical and regulatory problem. This problem is exacerbated by the high cost of bioaccumulation testing and the lack of explicit guidance on how bioaccumulation data should be interpreted and used within a regulatory program. Bioaccumulation is a measurable phenomenon, rather than an effect. Without specific information about biological effects (e.g., reduced survival, growth, reproduction in animals, cancer risk in humans) resulting from bioaccumulation, it is difficult if not impossible from a regulatory standpoint to objectively determine what level of bioaccumulation constitutes an `unacceptable adverse effect.` Existing regulatory guidance attempts to overcome this with two approaches, both of which use low aquatic trophic level organisms and a reference-based comparison. In the first approach, the level of bioaccumulation of a specific contaminant is compared with a numerical effect limit, such as a Food and Drug Administration action level or a fish advisory. If the level of the contaminant in the organism exceeds the numerical limit, it is equated to an unacceptable adverse effect. If it does not, or there is no numerical limit, the second approach involves a comparison with animals exposed to a reference sediment. If bioaccumulation in the animals exposed to the dredged material exceeds that of animals exposed to the reference, a number of subjective factors are then evaluated to determine whether or not dredged material disposal will result in an `unacceptable adverse effect` (U.S. Environmental Protection Agency (USEPA)/U.S. Army Corps of Engineers (USACE) 1991, 1994).

Bridges, T.S.; Moore, D.W.; Landrum, P.; Neff, J.; Cura, J.

1996-07-01

289

Commitment and the responsive bystander: a field evaluation with a less problematic request.  

PubMed

Summary.-Prior research on the effect of commitment on bystander intervention has focused on situations involving crime (e.g., robbery). However, the effect of commitment on less problematic situations has never been examined. In this field study, a female confederate asked (commitment condition) or did not ask (no-commitment condition) a customer to keep an eye on her grocery cart on the pretext that she had forgotten something in the store. Several seconds later, a male confederate arrived behind the first confederate's cart and began to move it in order to take her place. It was found that participants (N = 40) intervened to stop the second confederate more frequently in the commitment condition. The results support the assumption that bystander commitment influences behavior even in a non-crime situation. PMID:25153842

Guéguen, Nicolas

2014-10-01

290

Evaluation and Ranking of Geothermal Resources for Electrical Generation or Electrical Offset in Idaho, Montana, Oregon and Washington. Executive Summary  

SciTech Connect

In 1983, the Bonneville Power Administration contracted for an evaluation and ranking of all geothermal resource sites in the states of Idaho, Montana, Oregon, and Washington which have a potential for electrical generation and/or electrical offset through direct utilization of the resource. The objective of this program was to consolidate and evaluate all geologic, environmental, legal, and institutional information in existing records and files, and to apply a uniform methodology to the evaluation and ranking of all known geothermal sites. This data base would enhance the making of credible forecasts of the supply of geothermal energy which could be available in the region over a 20 year planning horizon. The four states, working together under a cooperative agreement, identified a total of 1,265 potential geothermal sites. The 1,265 sites were screened to eliminate those with little or no chance of providing either electrical generation and/or electrical offset. Two hundred and forty-five of the original 1,265 sites were determined to warrant further study. The Four-State team proceeded to develop a methodology which would rank the sites based upon an estimate of development potential and cost. Development potential was estimated through the use of weighted variables selected to approximate the attributes which a geothermal firm might consider in its selection of a site for exploration and possible development. Resource; engineering; and legal, institutional, and environmental factors were considered. Cost estimates for electrical generation and direct utilization sites were made using the computer programs CENTPLANT, WELLHEAD, and HEATPLAN. Finally, the sites were ranked utilizing a technique which allowed for the integration of development and cost information. On the basis of the developability index, 78 high temperature sites and 120 direct utilization sites were identified as having ''good'' or ''average'' potential for development and should be studied in detail. On the basis of cost, at least 29 of the high temperature sites appear to be technically capable of supporting a minimum total of at least 1,000 MW of electrical generation which could be competitive with the busbar cost of conventional thermal generating technologies. Sixty direct utilization sites have a minimum total energy potential of 900+ MW and can be expected to provide substantial amounts of electrical offset at or below present conventional energy prices. The combined development and economic rankings can be used to assist in determining sites with superior characteristics of both types. Five direct utilization sites and eight high temperature sites were identified with both high development and economic potential. An additional 27 sites were shown to have superior economic characteristics, but development problems. The procedure seems validated by the fact that two of the highest ranking direct utilization sites are ones that have already been developed--Boise, Idaho and Klamath Falls, Oregon. Most of the higher ranking high temperature sites have received serious examination in the past as likely power production candidates.

Bloomquist, R.G.; Black, G.L.; Parker, D.S.; Sifford, A.; Simpson, S.J.; Street, L.V.

1985-06-01

291

Neurophysiology Summary  

NASA Technical Reports Server (NTRS)

The terrestrial gravitational field serves as an important orientation reference for human perception and movement, being continually monitored by sensory receptors in the skin, muscles, joints, and vestibular otolith organs. Cues from these graviceptors are used by the brain to estimate spatial orientation and to control balance and movement. Changes in these cues associated with the tonic changes in gravity (gravito-inertial force),during the launch and entry phases of space flight missions result in altered perceptions, degraded motor control performance, and in some cases, "motion" sickness during, and for a period of time after, the g-transitions. In response to these transitions, however, physiological and behavioral response mechanisms are triggered to compensate for altered graviceptor cues and/or to adapt to the new sensory environment. Basic research in the neurophysiology discipline is focused on understanding the characteristic features of and the underlying mechanisms for the normal human response to tonic changes in the gravito-inertial force environment. These studies address fundamental questions regarding the role of graviceptors in orientation and movement in the terrestrial environment, as well as the capacity, specificity, and modes for neural plasticity in the sensory-motor and perceptual systems of the brain. At the 2001 workshop basic research studies were presented addressing: neuroanatomical responses to altered gravity environments, the neural mechanisms for resolving the ambiguity between tilting and translational stimuli in otolith organ sensory input, interactions between the vestibular system and the autonomic nervous system , the roles of haptic and visual cues in spatial orientation, mechanisms for training environment-appropriate sensorimotor responses triggered by environment-specific context cues, and studies of sensori-motor control of posture and locomotion in the terrestrial environment with and without recent exposure to space flight. Building on these basic research studies are more applied studies focused on the development of countermeasures to the untoward neurophysiological responses to space flight. At the 2001 workshop, applied research studies were presented addressing issues related to the use of rotational artificial gravity (centripetal acceleration) as a multisystem (bone, muscle, cardiovascular, and, perhaps, neurovestibular) countermeasure. Also presented was a clinical study reporting on a new rating system for clinical evaluation of postflight functional neurological status.

Paloski, William H.

2001-01-01

292

Evaluation of near field atmospheric dispersion around nuclear facilities using a lorentzian distribution methodology.  

PubMed

Atmospheric dispersion modeling within the near field of a nuclear facility typically applies a building wake correction to the Gaussian plume model, whereby a point source is modeled as a plane source. The plane source results in greater near field dilution and reduces the far field effluent concentration. However, the correction does not account for the concentration profile within the near field. Receptors of interest, such as the maximally exposed individual, may exist within the near field and thus the realm of building wake effects. Furthermore, release parameters and displacement characteristics may be unknown, particularly during upset conditions. Therefore, emphasis is placed upon the need to analyze and estimate an enveloping concentration profile within the near field of a release. This investigation included the analysis of 64 air samples collected over 128 wk. Variables of importance were then derived from the measurement data, and a methodology was developed that allowed for the estimation of Lorentzian-based dispersion coefficients along the lateral axis of the near field recirculation cavity; the development of recirculation cavity boundaries; and conservative evaluation of the associated concentration profile. The results evaluated the effectiveness of the Lorentzian distribution methodology for estimating near field releases and emphasized the need to place air-monitoring stations appropriately for complete concentration characterization. Additionally, the importance of the sampling period and operational conditions were discussed to balance operational feedback and the reporting of public dose. PMID:25353236

Hawkley, Gavin

2014-12-01

293

Development of a Visual Inspection Data Collection Tool for Evaluation of Fielded PV Module Condition  

SciTech Connect

A visual inspection data collection tool for the evaluation of fielded photovoltaic (PV) modules has been developed to facilitate describing the condition of PV modules with regard to field performance. The proposed data collection tool consists of 14 sections, each documenting the appearance or properties of a part of the module. This report instructs on how to use the collection tool and defines each attribute to ensure reliable and valid data collection. This tool has been evaluated through the inspection of over 60 PV modules produced by more than 20 manufacturers and fielded at two different sites for varying periods of time. Aggregated data from such a single data collection tool has the potential to enable longitudinal studies of module condition over time, technology evolution, and field location for the enhancement of module reliability models.

Packard, C. E.; Wohlgemuth, J. H.; Kurtz, S. R.

2012-08-01

294

Evaluating the Predictive Uncertainty of Two Spatially Distributed Fields (Flood Inundation and Precipitation) Under Observational Uncertainty  

NASA Astrophysics Data System (ADS)

The paper presents a methodology for the estimation of uncertainty of inundation extent and precipitation fields, which takes account of the uncertainty in the observed spatially distributed information. We demonstrate the similarities and dissimilarities of methods in evaluating these two hydrological fields. The uncertainty in the observations of the flood inundation extent will be represented by fuzzified Synthetic Aperture Radar (SAR) images. The uncertainty in the observations of the precipitation field is approximated by the measurement errors of rain gauges and upscaling to model resolution. The inundation predictions are produced by ensembles of the 2D LISFLOOD-FP model and the forecasted precipitation fields are generated by the Ensemble Prediction System of the European Centre for Medium Range Weather Forecast. A fuzzy-set based comparison method will be compared to traditional approaches and a visual evaluation. The latter is embedded into a GUI and compares human perception with statistical measures.

Pappenberger, F.; Cloke, H.

2006-12-01

295

Smog Check II Executive Summary  

E-print Network

Smog Check II Evaluation Executive Summary . . . . . . . . . . . . Lynn Scarlett, Chair Donald Bea June 19, 2000 #12;ES-1 1. Goals of the IMRC Smog Check Evaluation The Smog Check Program is intended. Smog Check targets three types of pollution from vehicles: hydrocarbons (HC), nitrogen oxides (NOx

Denver, University of

296

Field evaluation of fog dispersal tests at Elmira, NY: Final report  

SciTech Connect

Calspan Corp., under contract to Energy Innovations, Inc., assisted in tests of the EGD Fog Precipiation System at Elmira/Corning Regional Airport in New York during the summer/fall fog season of 1986 by conducting an independent, objective evaluation of the EGD System during these tests. Specifically, Calspan's role was to: Establish and maintain a network of ground-based visibility monitors and supporting meteorological instrumentation for measuring fog characteristics during EGD System tests at Elmira; provide weather forecasts of the potential for fog at Elmira during the summer-fall fog season; analyze visibility and surface wind velocity measurements to determine the efficacy of the EGD system in producing visibility improvement during dispersal tests; and provide a final independent summary report documenting experiment protocol and the results of Calspan's analyses. 2 refs., 12 figs., 6 tabs.

Rogers, C.W.; Wattle, B.J.; Mack, E.J.

1987-06-01

297

Evaluation of salt-tolerant genotypes of durum wheat derived from in vitro and field experiments  

Microsoft Academic Search

The performance of selected salt-tolerant genotypes of durum wheat [Triticum turgidum L. subsp. durum (Desf.) Husn.], derived from field and in vitro assessment methods, was evaluated under greenhouse and field conditions. Eight durum wheat genotypes comprising three salt-tolerant genotypes and one salt-sensitive genotype selected from each of the methods were used. This study was conducted under both saline and non-saline

Saadollah Houshmand; Ahmad Arzani; Seyed Ali Mohamad Maibody; Mohammad Feizi

2005-01-01

298

Evaluation of field and laboratory research on scour at bridge piers in the United States  

USGS Publications Warehouse

The Federal Highway Administration sponsored a laboratory research at Colorado State University and field data collection with the US Geological Survey, to evaluate the effects of bed material on the depth of scour. Correction factors are compared to include the effect of bed material in the HEC-18 equation. The HEC-18 equation tends to overpredict the observed scour for streams with coarse bed material. The field-based correction factor K4 causes underprediction associated with data collected from other countries.

Mueller, David S.; Jones, J. Sterling

1997-01-01

299

Field methods to evaluate effects of pesticides on wildlife of the northwestern United States  

USGS Publications Warehouse

Field .methods used to evaluate the impact of organochlorine and organophosphate pesticides on wildlife populations in the Pacific Northwest are reviewed. Five field studies, presented in a CASE HISTORY format, illustrate study designs .and thetypes of information collected. The pesticides investigated included DDT, heptachlor, endr1n, and famphur, and the species studied included the American kestrel (Falco sparverius), Canada goose (Branta canadensis}, black--crowned night-heron (Nycticorax nycticorac), and black-billed magpie (Pica pica). Wildlife biologists conducting field studies of pesticides encounter a variety of design and logistics problems. However, a number of procedures are now available to the researcher for field evaluations. The three principa1 types of insecticides (organochlorines (OC's), organophosphates (OP's) and carbamates (CB's) require different field approaches. In this paper, five field studies, conducted by my colleagues and me between 1974 and 1982, in the northwestern portion of the United States (Washington, Oregon, Idaho, and northern Nevada), are reviewed to illustrate procedures for evaluating the effects of these insecticides.on wildlife populations. Althought most OC pesticides were banned in the United States during the 1970's (.for review, see F1eming et al. 1983), we studied several OC applications, including the last major DDT spray project in 1974. Use of OP's and CB's increased during the 1970's and 1980s as the OC's were phased out.

Henny, C.J.

1987-01-01

300

Evaluation of Bull Trout Movements in the Tucannon and Lower Snake Rivers, 2002-2006 Project Completion Summary.  

SciTech Connect

The Columbia River Distinct Population Segment of bull trout (Salvelinus confluentus) was listed as threatened under the Endangered Species Act in 1998. One of the identified major threats to the species is fragmentation resulting from dams on over-wintering habitats of migratory subpopulations. A migratory subgroup in the Tucannon River appeared to utilize the Snake River reservoirs for adult rearing on a seasonal basis. As a result, a radio telemetry study was conducted on this subgroup from 2002-2006, to help meet Reasonable and Prudent Measures, and Conservation Recommendations associated with the lower Snake River dams in the FCRPS Biological Opinion, and to increase understanding of bull trout movements within the Tucannon River drainage. We sampled 1,109 bull trout in the Tucannon River; 124 of these were surgically implanted with radio tags and PIT tagged, and 681 were only PIT tagged. The remaining 304 fish were either recaptures, or released unmarked. Bull trout seasonal movements within the Tucannon River were similar to those described for other migratory bull trout populations. Bull trout migrated upstream in spring and early summer to the spawning areas in upper portions of the Tucannon River watershed. They quickly moved off the spawning areas in the fall, and either held or continued a slower migration downstream through the winter until early the following spring. During late fall and winter, bull trout were distributed in the lower half of the Tucannon River basin, down to and including the mainstem Snake River below Little Goose Dam. We were unable to adequately radio track bull trout in the Snake River and evaluate their movements or interactions with the federal hydroelectric dams for the following reasons: (1) none of our radio-tagged fish were detected attempting to pass a Snake River dam, (2) our radio tags had poor transmission capability at depths greater than 12.2 m, and (3) the sample size of fish that actually entered the Snake River was small (n=6). In spite of this project's shortcomings, bull trout continue to be observed in low numbers at Snake River dam fish facilities. It is highly possible that bull trout observed at the Snake River dam fish facilities are originating from sources other than the Tucannon River. We suggest that these fish might come from upstream sources like the Clearwater or Salmon rivers in Idaho, and are simply following the outmigration of juvenile anadromous fish (a food supply) as they emigrate toward the Pacific Ocean. Based on our study results, we recommend abandoning radio telemetry as a tool to monitor bull trout movements in the mainstem Snake River. We do recommend continuing PIT tagging and tag interrogation activities to help determine the origin of bull trout using the Snake River hydropower facilities. As a complementary approach, we also suggest the use of genetic assignment tests to help determine the origin of these fish. Lastly, several recommendations are included in the report to help manage and recover bull trout in the Tucannon subbasin.

Faler, Michael P. [U.S. Fish and Wildlife Service; Mendel, Glen; Fulton, Carl [Washington Department of Fish and Wildlife

2008-11-20

301

Full-field automatic evaluation of an isoclinic parameter in white light  

Microsoft Academic Search

In this paper, a technique for full-field evaluation of the isoclinic parameter is presented. It combines the phase-shifting\\u000a method with true color imaging technology to minimize the interaction between isoclinic and isochromatic fringes. The paper\\u000a also shows how the proposed technique can be suitably integrated with known methods for evaluating the retardations. Furthermore,\\u000a a digital algorithm for filtering wrapped phase

G. Petrucci

1997-01-01

302

Field programmable gate arrays: Evaluation report for space-flight application  

NASA Technical Reports Server (NTRS)

Field Programmable Gate Arrays commonly called FPGA's are the newer generation of field programmable devices and offer more flexibility in the logic modules they incorporate and in how they are interconnected. The flexibility, the number of logic building blocks available, and the high gate densities achievable are why users find FPGA's attractive. These attributes are important in reducing product development costs and shortening the development cycle. The aerospace community is interested in incorporating this new generation of field programmable technology in space applications. To this end, a consortium was formed to evaluate the quality, reliability, and radiation performance of FPGA's. This report presents the test results on FPGA parts provided by ACTEL Corporation.

Sandoe, Mike; Davarpanah, Mike; Soliman, Kamal; Suszko, Steven; Mackey, Susan

1992-01-01

303

Comparison between numerical and experimental near-field evaluation of a DCS1800 mobile telephone  

NASA Astrophysics Data System (ADS)

The objective of this study was to compare the results of the two most commonly used techniques for near-field and specific absorption rate (SAR) evaluations. The comparison was performed by independently assessing the near-field of a commercially available DCS1800 cellular phone in two different laboratories. The measurements were conducted at the Swiss Federal Institute of Technology with the near-field scanner DASY2 equipped with specialized near-field E and H field probes, while the numerical evaluation was performed using the finite difference time domain technique at the Institute for Mobile and Satellite Communications. The close near-fields in free space, inside a flat phantom filled with tissue simulating liquid and inside complex and homogeneous head phantoms, were compared. The quantitative results of most test configurations tallied well. Although the current distribution of the simulation was only slightly different from that of the physical phone, differences of the spatial peak absorption were greater than > 2 dB in some positions of the phone with respect to the scatterer. This demonstrates the great sensitivity of the spatial peak SAR on the current distribution on the device both in terms of magnitude and geometrical distributions. For numerical compliance tests this places high requirements on the numerical phone model with respect to the accuracy of representing the near-field RF characteristics of the phone.

Bahr, Achim; Pan, Sheng-Gen; Beck, Thomas; KäStle, Ralf; Schmid, Thomas; Kuster, Niels

1998-11-01

304

Sedimentation and resuspendability evaluation of pharmaceutical suspensions by low-field one dimensional pulsed field gradient NMR profilometry.  

PubMed

In order to study the sedimentation of pharmaceutical suspensions using low-field one dimensional pulsed field gradient nuclear magnetic resonance (1D pfg NMR) profilometry, the accuracy of signal acquisition as well as the spatial resolution of a commercial spectrometer operating at 23.4 MHz was investigated. The use of a solid Teflon spacer revealed that the accuracy of signal acquisition was independent of spatial position (height). The standard deviation of distance determinations was less than 150 µm, whereas the accuracy of water content determination was within 2% in the central part of the detection zone and deteriorated to 4% in the outer parts. The study of aqueous paramagnetic MnCl2 solutions indicated an exponential relationship between the relative signal intensity and the transverse relaxation decay constant. From this relationship, the relative water content of suspensions could be derived from their signal intensity relative to that of water. Using concentrated paliperidone palmitate dispersions as model suspensions, low-field 1D pfg NMR profilometry has been proven to be suitable for the evaluation of both the sedimentation and resuspendability behavior of viscous, opaque suspensions, for which visual detection of homogeneity may be difficult. PMID:21961765

Wuxin, Zhu; Martins, José; Saveyn, Pieter; Govoreanu, Ruxandra; Verbruggen, Katrien; Ariën, Tina; Verliefde, Arne; Van der Meeren, Paul

2013-01-01

305

ODOR INTENSITY OF A REAL ROOM FIELD EVALUATION AND LABORATORY INVESTIGATIONS  

E-print Network

® bags, Field evaluation, Perceived air quality INTRODUCTION Indoor air quality is usually assessed references has been applied to indoor air quality (IAQ) assessments with or without moduli (numbers Conference on Indoor Air Quality and Climate Indoor Air'2002, Monterey : United States (2002)" #12;The

Paris-Sud XI, Université de

306

Original article Field trial evaluation of two teat dips containing nisin  

E-print Network

Original article Field trial evaluation of two teat dips containing nisin or polyvinylpyrrolidone teats in a 0.25% polyvinylpyrrolidone (PVP) iodophor product followed by wiping with paper towels'un polyvinylpyrrolidone iodophore con�us pour une utilisation avant et apr�s la traite. Dans un premier essai r�alis� dans

Paris-Sud XI, Université de

307

"Become a leader in the field of program evaluation." carleton.ca/sppa  

E-print Network

Located conveniently in the nation's capital, Carleton is positioned to take advantage of a wide network for discussion, debate and preferential access to faculty and senior evaluation practitioners. CApiTAl ADvAnTAGE credential, this makes them even more marketable in this highly competitive field. Carleton's DPE prepares

308

Field evaluation of a simple microcosm simulating the behavior of volatile organic compounds in subsurface materials  

Microsoft Academic Search

A simple batch microcosm had previously been developed to simulate the behavior of volatile organic compounds in unconsolidated subsurface material. The microcosm was evaluated by comparing the behavior of tetrachloroethylene, bromoform, carbon tetrachloride, 1,2-dichlorobenzene, and hexachloroethane in (1) the microcosm, (2) the microcosm constructed with autoclaved material, and (3) an experimental plume constructed in a joint field study conducted by

John T. Wilson; Garmon B. Smith; Jack W. Cochran; James F. Barker; Paul V. Roberts

1987-01-01

309

Thermal Energy Storage Evaluation Program: 1986 annual report. [Economic planning, technical assessment, field tests  

Microsoft Academic Search

The Thermal Energy Storage Evaluation Program activities were initiated to provide economic planning, technical assessment and field testing support for the thermal energy storage program, as well as management of the overall program for the DOE. Economic planning included two assessment studies. In technical assessment, issues that might affect an assessment were outlined for the development of a standard methodology

M. K. Drost; J. M. Bates; D. R. Brown; R. O. Weijo

1987-01-01

310

[Development of innovative methods of electromagnetic field evaluation for portable radio-station].  

PubMed

The results of portable radio-station "Radiy-301" electromagnetic fields (EMF) emission measurement and specific absorption rate data evaluation has shown that workers' exposure EMF levels may elevate hygienic norms and hereupon can be health risk factor. Possible way of portable radio-station EMF dosimetry enhancement by means of domestic and international approaches harmonization is considered. PMID:23785811

Rubtsova, N B; Perov, S Iu; Bogacheva, E V; Kuster, N

2013-01-01

311

An evaluation of field-flow fractionation for molecular weight characterization of polymeric materials  

SciTech Connect

An evaluation has been made of field-flow fractionation for potential polymer molecular weight characterization applications at Allied- Signal Inc., Kansas City Division. The data obtained show that the technique can provide useful information regarding polymer molecular weights which are analogous to those obtained by gel permeation chromatography. 13 refs., 21 figs., 4 tabs.

Fuller, E.N.

1992-08-01

312

108 Florida Entomologist 97(1) March 2014 FIELD EVALUATION OF PETROLEUM SPRAY OIL AND CARBARYL  

E-print Network

108 Florida Entomologist 97(1) March 2014 Proof FIELD EVALUATION OF PETROLEUM SPRAY OIL shown petroleum spray oil (PSO) to be effective against T. marianae. We therefore examined and the population densities of T. marianae at both the locations were significantly higher in control plots than

Reddy, Gadi VP

313

Development of a Field Test Method to Evaluate Gaseous Air Cleaner Performance in a Multizone Building  

Microsoft Academic Search

The performance of gaseous air cleaners for commercial and residential buildings has typically been evaluated using test protocols developed for a controlled laboratory chamber or a test duct. It is currently unknown how laboratory measurements relate to the actual performance of an air cleaner installed in a real building. However, to date, there are no air cleaner field test protocols

Cynthia Howard-Reed; Victor Henzel; Steven J. Nabinger; Andrew K. Persily; Dale Hess; Sunhee Lee; Kevin Tory; Manuela Burgers; Bill Lilley; Richard Baldauf; Eben Thoma; Michael Hays; Richard Shores; John Kinsey; Brian Gullett; Sue Kimbrough; Vlad Isakov; Thomas Long; Richard Snow; Andrey Khlystov; Jason Weinstein; Fu-Lin Chen; Robert Seila; David Olson; Ian Gilmour; Seung-Hyun Cho; Nealson Watkins; Patricia Rowley; Gary Whitten; Greg Yarwood; Marc Carreras-Sospedra; Donald Dabdub; Jacob Brouwer; Eladio Knipping; Naresh Kumar; Ken Darrow; Anne Hampson; Bruce Hedman; James Droppo; Bruce Napier; B. deCastro; Lu Wang; Jana Mihalic; Patrick Breysse; Alison Geyh; Timothy Buckley; M. Garci´a; M. Sa´nchez; Isidro rez; Beatriz Torre; Gui Li; Alex Visscher; Chungching Wang; Min-Der Lin; Chenfang Lin; Seoung Kim; Chivalai Temiyasathit; Victoria Chen; Sun-Kyoung Park; Melanie Sattler; Armistead Russell

2008-01-01

314

Field evaluation of an immunoassay for benzene, toluene and xylene (BTX)  

Microsoft Academic Search

A U.S. Environmental Protection Agency Superfund Innovative Technology Evaluation (SITE) demonstration of an immunoassay for benzene, toluene, and xylene (BTX) compounds was conducted at four field sites within Las Vegas Valley, Nevada. The BTX immunoassay was developed by Antox, Inc. (South Portland, ME) as a semiquantitative test designed as a screening technology for classifying samples as above or below 25

Robert W. Gerlach; Richard J. White; N. F. Deirdre O'Leary; Jeanette M. Van Emon

1997-01-01

315

Preliminary Technical and Legal Evaluation of Disposing of Nonhazardous Oil Field Waste into Salt Caverns  

SciTech Connect

This report presents an initial evaluation of the suitability, feasibility, and legality of using salt caverns for disposal of nonhazardous oil field wastes. Given the preliminary and general nature of this report, we recognize that some of our findings and conclusions maybe speculative and subject to change upon further research on this topic.

Ayers, Robert C.; Caudle, Dan; Elcock, Deborah; Raivel, Mary; Veil, John; and Grunewald, Ben

1999-01-21

316

Evaluation of GSt 250/350, Project-Oriented Field Study.  

ERIC Educational Resources Information Center

This report evaluates the effectiveness of an experiential field study course at the University of Washington. The course, titled GST 250/350, has different goals from a traditional volunteer program in that the student's education and experience are paramount; the services he provides are secondary. The student's motivation also differs somewhat…

Lunneborg, Patricia W.; Mitchell, Sandra K.

317

FIELD EVALUATION OF A SWIRL DEGRITTER AT TAMWORTH, NEW SOUTH WALES, AUSTRALIA  

EPA Science Inventory

This field evaluation program was initiated with the overall objective of providing information on the behaviour of a full scale swirl degritter designed and constructed in accordance with the shapes and proportions developed during model studies. The swirl degritter was designed...

318

Field evaluation of a fast anti- Leishmania antibody detection assay in Ethiopia  

Microsoft Academic Search

A fast agglutination screening test (FAST) for the detection of Leishmania antibodies in human serum samples was evaluated under harsh field conditions in northern Ethiopia. Test performance was compared with a standard serological test, namely the direct agglutination test (DAT), and with parasitology. In total, 103 suspected cases were recruited for the study. Based on parasitological examination, 49 patients were

A. Hailu; G. J. Schoone; E. Diro; A. Tesfaye; Y. Techane; T. Tefera; Y. Assefa; A. Genetu; Y. Kebede; T. Kebede; H. D. F. H. Schallig

2006-01-01

319

Evaluation of near field of the GSM base station antennas in urban environment  

Microsoft Academic Search

A simple and efficient method for evaluation of the near field of GSM base station antennas in an urban environment is presented in this paper. The method is based on the replacement of the panel antenna with a discrete linear array. Moreover, the geometrical optics approach is used to consider the influence of the environment. The approximate results are found

D. Wojcik

2002-01-01

320

FIELD EVALUATION OF LIGNIN-DEGRADING FUNGI TO TREAT CREOSOTE-CONTAMINATED SOIL  

EPA Science Inventory

A field study to determine the ability of selected lignin-degrading fungi to remediate soil contaminated with pentachlorophenol and creosote was performed at a wood treating facility in south central Mississippi in the Autumn of 1991. he study was designed to evaluate 7 fungal tr...

321

VERIFICATION OF THE HYDROLOGIC EVALUATION OF LANDFILL PERFORMANCE (HELP) MODEL USING FIELD DATA  

EPA Science Inventory

The report describes a study conducted to verify the Hydrologic Evaluation of Landfill Performance (HELP) computer model using existing field data from a total of 20 landfill cells at 7 sites in the United States. Simulations using the HELP model were run to compare the predicted...

322

Symposium Summary  

NASA Astrophysics Data System (ADS)

I summarize the highlights of the conference. First I provide a brief history of the beach symposia series our massive star community has been organizing. Then I use most of my allocated space discussing what I believe are the main answered and open questions in the field. Finally I conclude with a perspective of the future of massive star research.

Leitherer, Claus

2008-06-01

323

Hydrologic monitoring of selected streams in coal fields of central and southern Utah; summary of data collected, August 1978-September 1984  

USGS Publications Warehouse

The U.S. Geological Survey conducted a coal-hydrology monitoring program in coal-field areas of central and southern Utah during August 1978-September 1984 to determine possible hydrologic impacts of future mining and to provide a better understanding of the hydrologic systems of the coal resource areas monitored. Data were collected at 19 gaging stations--18 stations in the Price, San Rafael, and Dirty Devil River basins, and 1 in the Kanab Creek Basin. Streamflow data were collected continuously at 11 stations and seasonally at 5 stations. At the other three stations streamflow data were collected continuously during the 1979 water year and then seasonally for the rest of their periods of record. Types of data collected at each station included quantity and quality of streamflow; suspended sediment concentrations; and descriptions of stream bottom sediments, benthic invertebrate, and phytoplankton samples. Also, base flow measurements were made annually upstream from 12 of the gaging stations. Stream bottom sediment sampled at nearly all the monitoring sites contained small to moderate quantities of coal, which may be attributed chiefly to pre-monitoring mining. Streamflow sampled at several sites contained large concentrations of sulfate and dissolved solids. Also, concentrations of various trace elements at 10 stations, and phenols at 18 stations, exceeded the criteria of the EPA for drinking water. This may be attributed to contemporary (water years 1979-84) mine drainage activities. The data collected during the complete water years (1979-84) of monitoring do provide a better understanding of the hydrologic systems of the coal field areas monitored. The data also provide a definite base by which to evaluate hydrologic impacts of continued or increased coal mining in those areas. (Author 's abstract)

Price, Don; Plantz, G.G.

1987-01-01

324

Evaluation of Breast Sentinel Lymph Node Coverage by Standard Radiation Therapy Fields  

SciTech Connect

Background: Biopsy of the breast sentinel lymph node (SLN) is now a standard staging procedure for early-stage invasive breast cancer. The anatomic location of the breast SLN and its relationship to standard radiation fields has not been described. Methods and Materials: A retrospective review of radiotherapy treatment planning data sets was performed in patients with breast cancer who had undergone SLN biopsy, and those with a surgical clip at the SLN biopsy site were identified. The location of the clip was evaluated relative to vertebral body level on an anterior-posterior digitally reconstructed radiograph, treated whole-breast tangential radiation fields, and standard axillary fields in 106 data sets meeting these criteria. Results: The breast SLN varied in vertebral body level position, ranging from T2 to T7 but most commonly opposite T4. The SLN clip was located below the base of the clavicle in 90%, and hence would be excluded from standard axillary radiotherapy fields where the inferior border is placed at this level. The clip was within the irradiated whole-breast tangent fields in 78%, beneath the superior-posterior corner multileaf collimators in 12%, and outside the tangent field borders in 10%. Conclusions: Standard axillary fields do not encompass the lymph nodes at highest risk of containing tumor in breast cancer patients. Elimination of the superior-posterior corner MLCs from the tangent field design would result in inclusion of the breast SLN in 90% of patients treated with standard whole-breast irradiation.

Rabinovitch, Rachel [Department of Radiation Oncology, University of Colorado Cancer Center, Aurora, CO (United States)], E-mail: Rachel.rabinovitch@uchsc.edu; Ballonoff, Ari; Newman, Francis M.S. [Department of Radiation Oncology, University of Colorado Cancer Center, Aurora, CO (United States); Finlayson, Christina [Department of GI, Tumor, and Endocrine Surgery, University of Colorado Cancer Center, Aurora, CO (United States)

2008-04-01

325

DNAPL SITE EVALUATION - Project Summary  

EPA Science Inventory

Dense nonaqueous-phase liquids (DNAPLs), especially chlorinated solvents, are among the most prevalent subsurface contaminants identified in ground-water supplies and at waste disposal sites. There are several site-characterization issues specific to DNAPL sites including (a) the...

326

Field Artillery Ammunition Processing System (FAAPS) concept evaluation study. Ammunition Logistics Program  

SciTech Connect

The Field Artillery Ammunition Processing System (FAAPS) is an initiative to introduce a palletized load system (PLS) that is transportable with an automated ammunition processing and storage system for use on the battlefield. System proponents have targeted a 20% increase in the ammunition processing rate over the current operation while simultaneously reducing the total number of assigned field artillery battalion personnel by 30. The overall objective of the FAAPS Project is the development and demonstration of an improved process to accomplish these goals. The initial phase of the FAAPS Project and the subject of this study is the FAAPS concept evaluation. The concept evaluation consists of (1) identifying assumptions and requirements, (2) documenting the process flow, (3) identifying and evaluating technologies available to accomplish the necessary ammunition processing and storage operations, and (4) presenting alternative concepts with associated costs, processing rates, and manpower requirements for accomplishing the operation. This study provides insight into the achievability of the desired objectives.

Kring, C.T.; Babcock, S.M.; Watkin, D.C.; Oliver, R.P.

1992-06-01

327

FY 1996 activity summary  

SciTech Connect

The US Department of Energy Office of Nuclear and Facility Safety provides nuclear safety policy, independent technical evaluation, and technical support. A summary of these activities is provided in this report. These include: (1) changing the mission of the former production facilities to storage and waste management; (2) stabilizing nuclear materials not recycled due to production cessation or interruptions; (3) reformulating the authorization basis for existing facilities to convert to a standards based approach for operations consistent with modern expectations; and (4) implementing a modern regulatory framework for nuclear facilities. Enforcement of the Price-Anderson Amendments Act is also reported.

NONE

1997-04-01

328

Evaluation of regional numerical weather prediction model surface fields over the Middle Atlantic Bight  

NASA Astrophysics Data System (ADS)

Coastal ocean models often rely on the surface fields from numerical weather prediction (NWP) models for realistic surface boundary conditions, but the errors in these fields are poorly understood. We evaluate the surface meteorological and flux fields provided by three of the regional NWP models in operation during 1996 and 1997 at the U.S. National Centers for Environmental Prediction (NCEP): the Eta-48, Eta-29, and Rapid Update Cycle (RUC-1) models. These model fields are compared to in situ measurements made from an air-sea interaction buoy deployed from July 1996 to June 1997 at a midshelf location in the Middle Atlantic Bight during the Coastal Mixing and Optics experiment. In addition, data from six National Data Buoy Center buoys are used to evaluate spatial errors in the model fields. The Eta-29 and RUC-1 models overestimate the net ocean-to-atmosphere heat flux by an average 83 and 74 W m-2, respectively, with notable errors in each of the individual heat flux components. The poorly resolved sea surface temperature fields used in the 1996-1997 regional NWP models lead to significant errors in the latent and sensible heat fluxes over the continental shelf and slope. Moreover, wind speeds are slightly overestimated in the Eta-48 and Eta-29 models while the RUC-1 model underestimates them by more than 1 m s-1. All of the models have mean wind direction errors of 7° to 13° east of north. In light of these evaluations, considerations for improving the accuracy of the surface flux fields for use in future ocean modeling studies are discussed.

Baumgartner, Mark F.; Anderson, Steven P.

1999-08-01

329

English Summary  

Microsoft Academic Search

\\u000a The great problems of our times ¡ª overpopulation, impoverishment and overindebtedness of many countries, hunger and drought\\u000a catastrophies, destruction of the environment and the danger of an atomic war ¡ª cannot be solved immediately by the application\\u000a of general international law, but only by newly created rules, such as those contained in the various conventions in the field\\u000a of environment

Georg Potyka

330

SUMMARY REPORT The Eight Annual  

E-print Network

Field Above the Arctic Ocean #12;1 SUMMARY REPORT Eight Annual International Arctic Buoy Programme (IABP is presented as Attachment 2. 3.0 Approval of the Minutes from the 7 th Annual IABP Meeting Roger Colony, IABP Colony showed the IABP buoy locations as of 28 July 1998 and summarized the IABP activities during

Rigor, Ignatius G.

331

Preliminary technical and legal evaluation of disposing of nonhazardous oil field waste into salt caverns  

SciTech Connect

Caverns can be readily formed in salt formations through solution mining. The caverns may be formed incidentally, as a result of salt recovery, or intentionally to create an underground chamber that can be used for storing hydrocarbon products or compressed air or disposing of wastes. The purpose of this report is to evaluate the feasibility, suitability, and legality of disposing of nonhazardous oil and gas exploration, development, and production wastes (hereafter referred to as oil field wastes, unless otherwise noted) in salt caverns. Chapter 2 provides background information on: types and locations of US subsurface salt deposits; basic solution mining techniques used to create caverns; and ways in which salt caverns are used. Later chapters provide discussion of: federal and state regulatory requirements concerning disposal of oil field waste, including which wastes are considered eligible for cavern disposal; waste streams that are considered to be oil field waste; and an evaluation of technical issues concerning the suitability of using salt caverns for disposing of oil field waste. Separate chapters present: types of oil field wastes suitable for cavern disposal; cavern design and location; disposal operations; and closure and remediation. This report does not suggest specific numerical limits for such factors or variables as distance to neighboring activities, depths for casings, pressure testing, or size and shape of cavern. The intent is to raise issues and general approaches that will contribute to the growing body of information on this subject.

Veil, J.; Elcock, D.; Raivel, M.; Caudle, D.; Ayers, R.C. Jr.; Grunewald, B.

1996-06-01

332

Comprehensive evaluation of attitude and orbit estimation using real earth magnetic field data  

NASA Technical Reports Server (NTRS)

A single, augmented extended Kalman filter (EKF) which simultaneously and autonomously estimates spacecraft attitude and orbit was developed and tested with simulated and real magnetometer and rate data. Since the earth's magnetic field is a function of time and position, and since time is accurately known, the differences between the computed and measured magnetic field components, as measured by the magnetometers throughout the entire spacecraft's orbit, are a function of orbit and attitude errors. These differences can be used to estimate the orbit and attitude. The test results of the EKF with magnetometer and gyro data from three NASA satellites are presented and evaluated.

Deutschmann, Julie; Bar-Itzhack, Itzhack

1997-01-01

333

Evaluation of landmine detection performance applying two different algorithms to GPR field data  

NASA Astrophysics Data System (ADS)

This paper evaluates and compares the performance of two algorithms that have previously demonstrated their potential in underground target detection. Field data was obtained on specially prepared test fields, where various mine simulants, reference objects, and mine-like clutter where placed at precise locations in different soil types. The efficiency of both algorithms in terms of detection accuracies (ROC curves) and computational burden is compared, as well as the impact of preprocessing strategies. Based on the results, we discuss the convenience of both methods to be integrated in a real - time signal processing system considering their benefits and drawbacks.

Mendez-Rial, Roi; Uschkerat, U.; Rial, F. I.; Gonzalez-Huici, Maria A.

2013-06-01

334

Flowpath evaluation and reconnaissance by remote field Eddy current testing (FERRET)  

SciTech Connect

This document describes the design and development of FERRET (Flowpath Evaluation and Reconnaisance by Remote-field Eddy current Testing). FERRET is a system for inspecting the steel pipes which carry cooling water to underground nuclear waste storage tanks. The FERRET system has been tested in a small scale cooling pipe mock-up, an improved full scale mock-up, and in flaw detection experiments. Early prototype designs of FERRET and the FERRET launcher (a device which inserts, moves, and retrieves probes from a piping system) as well as the field-ready design are discussed.

Smoak, A.E.; Zollinger, W.T.

1993-12-31

335

Field Reliability of Competence to Stand Trial Opinions: How Often Do Evaluators Agree, and What Do Judges Decide When Evaluators Disagree?  

Microsoft Academic Search

Despite many studies that examine the reliability of competence to stand trial (CST) evaluations, few shed light on “field\\u000a reliability,” or agreement among forensic evaluators in routine practice. We reviewed 216 cases from Hawaii, which requires\\u000a three separate evaluations from independent clinicians for each felony defendant referred for CST evaluation. Results revealed\\u000a moderate agreement. In 71% of initial CST evaluations,

W. Neil Gowensmith; Daniel C. Murrie; Marcus T. Boccaccini

336

A field bioassay to evaluate potential spatial repellents against natural mosquito populations.  

PubMed

A field bioassay evaluating candidate chemicals as aerial repellents was developed and evaluated against natural mosquito populations in Beltsville, MD. The bioassay consisted of an attractive source surrounded by a grid of 16 septa containing a volatile candidate aerial repellent, compared with an attractive source without such a grid. The attractive source was a Centers for Disease Control and Prevention light trap supplemented with carbon dioxide. Significant sources of variation included weather, position, and the differential response of mosquito species. Despite these sources of variation, significant repellent responses were obtained for catnip oil, E,Z-dihydronepetalactone, and DEET. PMID:23393752

Chauhan, K R; Aldrich, J R; McCardle, P W; White, G B; Webb, R E

2012-12-01

337

Evaluation of measurement reproducibility using the standard-sites data, 1994 Fernald field characterization demonstration project  

SciTech Connect

The US Department of Energy conducted the 1994 Fernald (Ohio) field characterization demonstration project to evaluate the performance of a group of both industry-standard and proposed alternative technologies in describing the nature and extent of uranium contamination in surficial soils. Detector stability and measurement reproducibility under actual operating conditions encountered in the field is critical to establishing the credibility of the proposed alternative characterization methods. Comparability of measured uranium activities to those reported by conventional, US Environmental Protection Agency (EPA)-certified laboratory methods is also required. The eleven (11) technologies demonstrated included (1) EPA-standard soil sampling and laboratory mass-spectroscopy analyses, and currently-accepted field-screening techniques using (2) sodium-iodide scintillometers, (3) FIDLER low-energy scintillometers, and (4) a field-portable x-ray fluorescence spectrometer. Proposed advanced characterization techniques included (5) alpha-track detectors, (6) a high-energy beta scintillometer, (7) electret ionization chambers, (8) and (9) a high-resolution gamma-ray spectrometer in two different configurations, (10) a field-adapted laser ablation-inductively coupled plasma-atomic emission spectroscopy (ICP-AES) technique, and (11) a long-range alpha detector. Measurement reproducibility and the accuracy of each method were tested by acquiring numerous replicate measurements of total uranium activity at each of two ``standard sites`` located within the main field demonstration area. Meteorological variables including temperature, relative humidity. and 24-hour rainfall quantities were also recorded in conjunction with the standard-sites measurements.

Rautman, C.A.

1996-02-01

338

A FIELD EVALUATION OF BAITS FOR DELIVERING ORAL RABIES VACCINES TO RACCOONS (PROCYON LOTOR)  

Microsoft Academic Search

Eight field trials were conducted in 1989 and 1990 in Georgia (USA) and Maryland (USA) to evaluate baits and baiting strategies for delivering oral rabies vaccines to raccoons (Proc yon lotor). Bait packets consisting of corn meal and egg batter-based baits enclosed in plastic bags were placed at 1.0-m diameter, raked tracking stations and checked daily. Packets were well accepted

Samuel B. Linhart; F. Sherman; Richard M. Engeman; Harvey L. Hill; Tip Hon; Douglas I. Hall; John H. Shaddock

339

Experiences with the Design, Fielding, and Evaluation of a Real-Time Communications Agent  

Microsoft Academic Search

We review the design and evaluation of a fielded communications agent that routes telephone calls for several hundred people at our organization. In an advanced mode of operation, the system performs a cost-benefit analysis to balance the priority of calls with the context-sensitive cost of interrupting users. We discuss the challenges with developing a communications agent spanning client-side software and

Eric Horvitz; Johnson Apacible; Muru Subramani; Raman Sarin; Paul Koch; JJ Cadiz; Attila Narin; Yong Rui

340

Prospective Comparative Study of Intermediate-Field MR and CT in the Evaluation of Closed Head  

Microsoft Academic Search

Forty patients with closed head trauma were evaluated prospectively with CT and intermediate-field-strength MR imaging to compare the diagnostic efficacies of the two techniques. Traumatic lesions were detected in 38 patIents. The severity of Injury, as determined by the Glascow Coma Scale, ranged from 3 to 14. The sensitIvities of CT and MR were calculated for all subgroups of lesions:

Lindell R. Gentry; John C. Godersk; Brad Thompson

341

Evaluation of pesticide leaching in lysimeter and field studies. Parent substances  

Microsoft Academic Search

The report gives recommendations for the interpretation of lysimeter,\\u000afield and simulation studies in a more consistent and objective way. \\u000aExpert judgement has been converted as much as possible in quantitative\\u000arules for evaluation. The lysimeter or field study is to be\\u000acomputer-simulated as good as possible and the result is compared with\\u000ameasured leaching. The relative difference, here defined

Verschoor AJ; Boesten JJTT; Leistra M; Linden AMA van der; Linders JBHJ; Pol JW

2007-01-01

342

Executive Summary  

SciTech Connect

Motivation Our country faces profound challenges that must be addressed in order to ensure our continued freedom and security. As the September 11, 2001, attacks on the Pentagon and World Trade Center illustrate, threats to the United States are present within our borders. On that day, after at least 20 months of planning and preparation, nineteen terrorists hijacked four airliners at three different airports in a coordinated attack. The hijackers crashed two planes into the World Trade Center’s twin towers and one plane into the Pentagon. The fourth plane, intended to attack another U.S. landmark, crashed in a field in Pennsylvania. 2973 people lost their lives as a result of this attack. As the attack unfolded, government agencies and emergency response personnel had to respond in real time to situations for which policies and procedures did not exist. They were forced to assess situations and make decisions under extreme pressure, often without having critical information that would help them save additional lives. [National Commission on Terrorist Attacks, 2004

Thomas, James J.; Cook, Kristin A.

2005-05-09

343

Evaluating the diffusive equilibrium models: Comparison with the IMAGE RPI field-aligned electron density measurements  

NASA Astrophysics Data System (ADS)

diffusive equilibrium models that are widely used by the space physics community to describe the plasma densities in the plasmasphere are evaluated with field-aligned electron density measurements from the radio plasma imager (RPI) instrument onboard the IMAGE satellite. The original mathematical form of the diffusive equilibrium model was based on the hydrostatic equilibrium along the magnetic field line with the centrifugal force and the field-aligned electrostatic force as well as a large number of simplifying approximations. Six free parameters in the mathematical form have been conventionally determined from observations. We evaluate four sets of the parameters that have been reported in the literature. The evaluation is made according to the equatorial radial distance dependence, latitudinal dependence at a given radial distance, and the combined radial and latitudinal dependences. We find that the mathematical form given in the diffusive equilibrium model is intrinsically incompatible with the measurements unless another large number of free parameters are artificially introduced, which essentially changes the nature of a theoretical model to an empirical model.

Ozhogin, P.; Song, P.; Tu, J.; Reinisch, B. W.

2014-06-01

344

Evaluating occupational 60-hertz electric-field exposures for guideline compliance.  

PubMed

This article examines determination of compliance of 60-Hz electric-field exposures with occupational guideline limits. The guidelines are expressed as a limit on the unperturbed electric field without allowance for the severity of potential spark discharges. A line worker on a 500-kV transmission-line tower provided a practical example of an occupational exposure. In this realistic case, the worker's posture, the uniformity of the field, and the field orientation differed from the guideline exposure scenario of standing erect in a vertical uniform field. An accurate estimate of the unperturbed nonuniform fields in the climbing space of a lattice steel structure was computed using Monte Carlo methods that modeled surface and spatial electric fields on and near standard geometrical elements. Fields were computed at 20 points in a three-dimensional array, simulating the location of the human body on the tower. We estimated the average unperturbed electric field, space potential, induced short-circuit current, induced open-circuit voltage, and the stored charge and energy available for a discharge over a range of capacitances to ground. The on-tower exposure parameters were compared with those from the idealistic guideline exposure scenario. The average electric field of 24.4 kV/m for the on-tower exposure exceeded the limit of 20 kV/m stated in the recently adopted IEEE Standard C95.6 2002. However, the charge available for a spark discharge during the on-tower exposure was less than that for the guideline exposure scenario. Thus, for an exposure limit based on a constant-charge criterion for adverse reaction to spark discharges, guideline on-tower exposure would be below the limit established for the guideline exposure scenario. Evaluation of electric-field exposures in terms of the charge associated with spark discharges provides a means of comparing any electric-field exposure scenario with the ideal guideline scenario in terms of an effects-related physical quantity. This approach is consistent with the exposure limit/basic restriction methodology that employs a basic restriction on a physical quantity as the ultimate determinant of compliance. PMID:15631058

Bracken, T Dan; Senior, Russell; Tuominen, Monty

2004-10-01

345

Evaluation of the snow regime in dynamic vegetation land surface models using field measurements  

NASA Astrophysics Data System (ADS)

An increasing number of studies have demonstrated significant climatic and ecological changes occurring in the northern latitudes over the past decades. As coupled Earth-system models attempt to describe and simulate the dynamics and complex feedbacks of the Arctic environment, it is important to reduce their uncertainties in short-term predictions by improving the description of both system processes and its initial state. This study focuses on snow-related variables and makes extensive use of a historical data set (1966-1996) of field snow measurements acquired across the extent of the former Soviet Union to evaluate a range of simulated snow metrics produced by several land surface models, most of them embedded in IPCC-standard climate models. We reveal model-specific failings in simulating snowpack properties such as magnitude, inter-annual variability, timings of snow water equivalent and evolution of snow density. We develop novel and model-independent methodologies that use the field snow measurements to extract the values of fresh snow density and snowpack sublimation, and exploit them to assess model outputs. By directly forcing the surface heat exchange formulation of a land surface model with field data on snow depth and snow density, we evaluate how inaccuracies in simulating snow metrics affect soil temperature, thaw depth and soil carbon decomposition. We also show how field data can be assimilated into models using optimization techniques in order to identify model defects and improve model performance.

Kantzas, E.; Quegan, S.; Lomas, M.; Zakharova, E.

2014-03-01

346

Field evaluation of Fourier transform infrared continuous emissions monitoring (FTIR CEM) systems  

NASA Astrophysics Data System (ADS)

Recent environmental regulations, including the Clean Air Act and the Enhanced Monitoring Regulations, may require continuous emissions monitoring (CEM) of hazardous air pollutants (HAPs). A promising technique for this application is Fourier transform infrared spectroscopy (FTIR). FTIR spectroscopy can, in principle, be used to monitor virtually any gas phase species. Two evaluations of FTIR CEM systems are discussed. The first study, performed in 1993 - 94, compared two FTIR CEM systems on a side-by-side basis in an extended field test at two coal-fired electric power plants. The FTIR CEM systems monitored the legally mandated criteria pollutants and diluents (CO, CO2, NO, NO2, and SO2) as well as H2O. In addition, one system monitored two HAPs (HCl and HF) and NH3. The FTIR CEM measurements were compared with those from the compliance CEM systems at the facilities. Several relative accuracy test audits were also performed to verify the FTIR CEM accuracy. The second evaluation was recently commenced on behalf of the Environmental Protection Agency. In this study, FTIR CEM systems are evaluated specifically for the monitoring of HAP species by conducting laboratory and field tests. The evaluation culminates in the development of proposed performance specifications and protocols for FTIR CEM systems.

Dunder, Thomas A.; Geyer, Thomas J.; Kinner, Laura L.; Plummer, Grant M.

1995-02-01

347

A field screening method using earthworms (Eisenia foetida andrei) to evaluate contaminated soils  

SciTech Connect

An on-site biological assessment for soil toxicity was performed using a lumbricid earthworm, Eisenia foetida andrei, at the Milltown Reservoir Superfund Site on the Clark Fork River near Missoula, MT. The assessment provided an opportunity to evaluate test containers and methodologies. Sixty-four field test stations, each consisting of three test containers of site soil, a control container of artificial soil, and a container to house soil moisture and temperature recording devices, were used. Laboratory tests were conducted on soil samples from selected field stations. The test containers were constructed from sections of polyvinyl chloride pipe and were found to be suitable in preventing escape of test organisms and damage by animals. The site soils had levels of arsenic, lead, cadmium, copper, and zinc higher than those in surrounding watersheds. Combined mortality for exposure to the site soil was similar in both the laboratory and field tests. Combined sublethal responses to the site soil were also similar in both laboratory and field tests. Artificial soil controls in both field and laboratory tests resulted in combined mortality rates of 1% or less. The methodologies employed proved successful in maintaining an adequate soil moisture level and allowed for measurement of soil temperature.

Wilborn, D.C.; Bollman, M.A.; Gillett, C.S.; Ott, S.L.; Linder, G.L. [Takena Ecological Services, Inc., Corvallis, OR (United States)

1997-09-01

348

Porous media experience applicable to field evaluation for compressed air energy storage  

SciTech Connect

A survey is presented of porous media field experience that may aid in the development of a compressed air energy storage field demonstration. Work done at PNL and experience of other groups and related industries is reviewed. An overall view of porous media experience in the underground storage of fluids is presented. CAES experience consists of site evaluation and selection processes used by groups in California, Kansas, and Indiana. Reservoir design and field evaluation of example sites are reported. The studies raised questions about compatibility with depleted oil and gas reservoirs, storage space rights, and compressed air regulations. Related experience embraces technologies of natural gas, thermal energy, and geothermal and hydrogen storage. Natural gas storage technology lends the most toward compressed air storage development, keeping in mind the respective differences between stored fluids, physical conditions, and cycling frequencies. Both fluids are injected under pressure into an aquifer to form a storage bubble confined between a suitable caprock structure and partially displaced ground water. State-of-the-art information is summarized as the necessary foundation material for field planning. Preliminary design criteria are given as recommendations for basic reservoir characteristics. These include geometric dimensions and storage matrix properties such as permeability. Suggested ranges are given for injection air temperature and reservoir pressure. The second step in developmental research is numerical modeling. Results have aided preliminary design by analyzing injection effects upon reservoir pressure, temperature and humidity profiles. Results are reported from laboratory experiments on candidate sandstones and caprocks. Conclusions are drawn, but further verification must be done in the field.

Allen, R.D.; Gutknecht, P.J.

1980-06-01

349

Surface wind convergence as a short-term predictor of cloud-to-ground lightning at Kennedy Space Center: A four-year summary and evaluation  

NASA Technical Reports Server (NTRS)

Since 1986, USAF forecasters at NASA-Kennedy have had available a surface wind convergence technique for use during periods of convective development. In Florida during the summer, most of the thunderstorm development is forced by boundary layer processes. The basic premise is that the life cycle of convection is reflected in the surface wind field beneath these storms. Therefore the monitoring of the local surface divergence and/or convergence fields can be used to determine timing, location, longevity, and the lightning hazards which accompany these thunderstorms. This study evaluates four years of monitoring thunderstorm development using surface wind convergence, particularly the average over the area. Cloud-to-ground (CG) lightning is related in time and space with surface convergence for 346 days during the summers of 1987 through 1990 over the expanded wind network at KSC. The relationships are subdivided according to low level wind flow and midlevel moisture patterns. Results show a one in three chance of CG lightning when a convergence event is identified. However, when there is no convergence, the chance of CG lightning is negligible.

Watson, Andrew I.; Holle, Ronald L.; Lopez, Raul E.; Nicholson, James R.

1991-01-01

350

Intern Summary Reports  

NASA Technical Reports Server (NTRS)

Topics covered include: Probe Station Antenna Range; LERCIP 2004 Summary; L.E.R.C.I.P. Internship Summary; Hubble Space Telescope Bi-Stem Thermal Shield Analyses; GRABER - the Duct Tape of Space and JIMO Heat Conducting Foam; CDF and PDF Comparison Between Humacao, Puerto Rico and Florida; Development of the On-board Aircraft Network; Development of the Planar Inlet Design and Analysis Process (PINDAP); An Overview of My 2004 Summer Internship [Non-destructive Evaluation]; My Summer Experience as an Administrative Officer Assistant [in the Safety and Assurance Directorate Office]; Programming an Experiment Control System; Reducing the Cation Exchange Capacity of Lithium Clay to Form Better Dispersed; Polymer-Clay Nanocomposites; Feasibility of EB Welded Hastelloy X and Combination of Refractory Metals; My Work in the NASA Glenn History Office and Records Management Office; Education, Technology, and Media: A Peak into My Summer Internship at NASA Glenn Research Center in Cleveland, Ohio; [The Engineering and Technical Services Directorate at the Glenn Research Center]; Drinking Water Database; Design of an EXB Probe; and Texturing Carbon-carbon Composite Radiator Surfaces Utilizing Atomic Oxygen.

2004-01-01

351

Summary report, California Department of Forestry and Fire Protection evaluation of full-face air-purifying respirators for wildland fire fighting use  

SciTech Connect

Wildland fire suppression personnel employed by the CDF do not currently have the equipment to protect themselves from the short-term acute affects of smoke from wildland fires. In addition, no regulations exist that specify appropriate respiratory protection and the current air-purifying respirator technology and carbon monoxide monitoring has not been adapted to fit wildland fire suppression requirements. This three-year limited study evaluated the ability of wildland fire fighters to perform their normal job function while wearing full-face air-purifying respirators. In the first two years of this study we designed, developed and field tested a prototype ``smart`` air-purifying respirator which incorporated a real-time carbon monoxide monitor into a commercial full-face respirator.` Data on carbon monoxide exposure while fighting wildland fires was collected. During the third year of this study we evaluated eight different commercially available full-face air-purifying respirators equipped with a variety of cartridges. Apparatus to aid the fire fighter in carrying the respirator and carbon monoxide personal monitor was designed and fabricated. A smoke exposure test method was developed and a laboratory study on the penetration of smoke through respirator cartridges was conducted.

Beason, D.G.; Johnson, J.S.; Foote, K.L. [Lawrence Livermore National Lab., CA (United States); Weaver, W.A. [California Dept. of Forestry and Fire Protection, Sacramento, CA (United States)

1996-02-01

352

Evaluation of field triage decision scheme educational resources: audience research with emergency medical service personnel.  

PubMed

In an effort to encourage appropriate field triage procedures, the Centers for Disease Control and Prevention (CDC), in collaboration with the National Highway Traffic Safety Administration and the American College of Surgeons-Committee on Trauma, convened the National Expert Panel on Field Triage to update the Field Triage Decision Scheme: The National Trauma Triage Protocol (Decision Scheme). In support of the Decision Scheme, CDC developed educational resources for emergency medical service (EMS) professionals, one of CDC's first efforts to develop and broadly disseminate educational information for the EMS community. CDC wanted to systematically collect information from the EMS community on what worked and what did not with respect to these educational materials and which materials were of most use. An evaluation was conducted to obtain feedback from EMS professionals about the Decision Scheme and use of Decision Scheme educational materials. The evaluation included a survey and a series of focus groups. Findings indicate that a segment of the Decision Scheme's intended audience is using the materials and learning from them, and they have had a positive influence on their triage practices. However, many of the individuals who participated in this research are not using the Decision Scheme and indicated that the materials have not affected their triage practices. Findings presented in this article can be used to inform development and distribution of additional Decision Scheme educational resources to ensure they reach a greater proportion of EMS professionals and to inform other education and dissemination efforts with the EMS community. PMID:22773617

Sarmiento, Kelly; Eckstein, Daniel; Zambon, Allison

2013-03-01

353

Evaluation of a high-order Ambisonics decoder for irregular loudspeaker arrays through reproduced field measurements.  

PubMed

High-order Ambisonics (HOA) is a sound field reproduction technique that defines a scalable and system-independent encoding of spatial sound information. Decoding of HOA signals for reproduction using loudspeaker arrays can be a difficult task if the angular spacing between adjacent loudspeakers, as observed from the listening position, is not uniform. In this research, one of such systems is considered: a 157-channel irregular loudspeaker array. The array is used to reproduce simple HOA-encoded sound fields. Three HOA decoding methods are evaluated: two conventional ones and a recently proposed decoder designed for irregular loudspeaker arrays. Reproduction accuracy is compared by directly measuring the sound pressure around the listening position, the so-called sweet spot. Coarse-resolution sound field measurements give an approximate size for the listening region generated by the different methods. In addition, dummy head recordings are used to evaluate interaural level and phase differences. The results are used to estimate the accuracy of the system when presenting spatial sound. This study shows the importance of selecting a proper decoding method to reproduce HOA with irregular loudspeaker arrays. This is emphasized by the use of an actual loudspeakers system instead of a computer simulation, a common shortcoming of previous studies. PMID:25235979

Trevino Lopez, Jorge A; Okamoto, Takuma; Iwaya, Yukio; Sakamoto, Shuichi; Suzuki, Yo-Iti

2014-04-01

354

Chapter Summary Mathematical Induction  

E-print Network

#12;Chapter Summary Mathematical Induction Strong Induction Well-Ordering Recursive Definitions Structural Induction Recursive Algorithms #12;Section 5.1 #12;Sec.on Summary Mathematical Induction Examples of Proof by Mathematical

355

Field evaluation of a new prototype self-contained breathing apparatus.  

PubMed

Firefighters are required to use a self-contained breathing apparatus (SCBA) for respiratory protection when engaged in a variety of firefighting duties. While the SCBA provides crucial respiratory support and protection, it is also cumbersome and heavy, thus adding to the physical work performed by the firefighter. The purpose of the present study was to evaluate and compare the low profile SCBA prototype to a standard SCBA, as assessed by the objective and subjective measures of mobility and comfort, time of donning/doffing, as well as by acquiring user feedback on SCBA design features during field activities. The results of the present study indicated that the prototype SCBA was rated as a significant improvement over the standard SCBA in the areas of range of motion (ROM), mobility, comfort, induction of fatigue, interaction with protective clothing, and operability when worn over a standard firefighter ensemble, while performing a series of International Association of Fire Fighters Fire Ground Survival Program training exercises. STATEMENT OF RELEVANCE: A prototype SCBA was evaluated and compared with a standard SCBA, focusing on the objective and subjective measures of mobility and comfort during field activities. Feedback from end users was collected during the evaluation. The findings of the present study can be used for improving the system design and overall performance of new prototype SCBAs. PMID:22103727

Coca, Aitor; Kim, Jung-Hyun; Duffy, Richard; Williams, W Jon

2011-12-01

356

Refinement and Field Test of Evaluation Procedures and Materials for ESEA, Title VII Bilingual Education Projects. Phase III Report.  

ERIC Educational Resources Information Center

This report describes an extensive field test of the Bilingual Education Evaluation System (BEES) used to evaluate local level bilingual education projects. Because such projects will usually not be able to implement a traditional true or quasi-experimental design, BEES employs a "gap-reduction" evaluation design that is easily implemented,…

Lam, Tony C. N.; And Others

357

Evaluation of the induced electric field and compliance procedure for a wireless power transfer system in an electrical vehicle  

NASA Astrophysics Data System (ADS)

In this study, an induced electric field in a human body is evaluated for the magnetic field leaked from a wireless power transfer system for charging an electrical vehicle. The magnetic field from the wireless power transfer system is modelled computationally, and its effectiveness is confirmed by comparison with the field measured in a previous study. The induced electric field in a human standing around the vehicle is smaller than the allowable limit prescribed in international guidelines, although the magnetic field strength in the human body is locally higher than the allowable external field strength. Correlation between the external magnetic field and the induced electric field is confirmed to be reasonable at least in the standing posture, which is the case discussed in the international standard. Based on this finding, we discussed and confirmed the applicability of a three-point magnetic field measurement at heights of 0.5, 1.0, and 1.5 m for safety compliance.

Laakso, Ilkka; Hirata, Akimasa

2013-11-01

358

Conference Summary: Three Dimensional Explosions  

E-print Network

This is the text of a summary of the workshop on asymmetric explosions held in Austin in June, 2003. A brief review is given of the author's own interests in dynamo theory as it may apply in the core collapse ambience. Of particular interest are saturation fields for the cases with central neutron stars and black holes and the possibility of driving MHD jets with the resulting fields. Interesting physics that may arise with large fields such as effects on the equation of state to produce anisotropic pressure and effects on neutrino cross sections and transport are briefly outlined. A brief summary of the contributions to the workshop is then given with special credit to Scratchy Serapkin. Of special note were the summaries of the advances due to spectropolarimetry in revealing the asymmetric nature of supernovae. Major progress in understanding the binary progenitors and explosion physics of Type Ia was presented. Other talks entwined the nature of asymmetric core collapse, gamma-ray bursts and "hypernovae." My final charge to the attendees was "Go thee forth and think about rotation and magnetic fields!"

J. Craig Wheeler

2004-01-15

359

Evaluation of sound fields in a concert hall involving scattered reflections applying the subjective preference theory  

NASA Astrophysics Data System (ADS)

Convex tilted rear walls in a stage enclosure, an array of circular columns installed in front of walls, and triangular reflectors above the stage were newly adopted as scattering obstacles in an acoustic design of Tsuyama Music Cultural Hall, called ``Bell Fole?t Tsuyama.'' The fundamental shape of the hall was designed using the theory of subjective preference. To calculate the effects of scattered reflections on a sound field in a real concert hall is extremely laborious. For this reason, the evaluation of effects of scattered reflections on the sound field in the hall was made experimentally by use of a 110 acoustical scale. After construction of the hall, therefore, sound fields of the hall, which involves scattered reflections caused by the tilted convex rear, by the array of circular columns, and by the triangular reflectors, were measured using four orthogonal physical factors (LL, ?t1, Tsub, IACC) described in the theory and the acoustical character of these scattering obstacles was clarified. Results clearly showed that these new attempts on scattered reflections substantially improved the quality of the sound field in the hall. Thesis advisor: Yoichi Ando Copies of this thesis written in English can be obtained from Yukio Suzumura. E-mail address: ysuzu11@lapis.plala.or.jp

Suzumura, Yukio

2003-08-01

360

Comprehensive Evaluation of Attitude and Orbit Estimation Using Actual Earth Magnetic Field Data  

NASA Technical Reports Server (NTRS)

A single, augmented Extended Kalman Filter (EKF), which simultaneously and autonomously estimates spacecraft attitude and orbit has been developed and successfully tested with real magnetometer and gyro data only. Because the earth magnetic field is a function of time and position, and because time is known quite precisely, the differences between the computed and measured magnetic field components, as measured by the magnetometers throughout the entire spacecraft orbit, are a function of both orbit and attitude errors. Thus, conceivably these differences could be used to estimate both orbit and attitude; an observability study validated this assumption. The results of testing the EKF with actual magnetometer and gyro data, from four satellites supported by the NASA Goddard Space Flight Center (GSFC) Guidance, Navigation, and Control Center, are presented and evaluated. They confirm the assumption that a single EKF can estimate both attitude and orbit when using gyros and magnetometers only.

Deutschmann, Julie K.; Bar-Itzhack, Itzhack Y.

2000-01-01

361

EVALUATION OF SILICON DIODES AS IN-SITU CRYOGENIC FIELD EMISSION DETECTORS FOR SRF CAVITY DEVELOPMENT  

SciTech Connect

We performed in-situ cryogenic testing of four silicon diodes as possible candidates for field emission (FE) monitors of superconducting radio frequency (SRF) cavities during qualification testing and in accelerator cryo-modules. We evaluated diodes from 2 companies - from Hamamatsu corporation model S1223-01; and from OSI Optoelectronics models OSD35-LR-A, XUV-50C, and FIL-UV20. The measurements were done by placing the diodes in superfluid liquid helium near the top of a field emitting 9-cell cavity during its vertical test. For each diode, we will discuss their viability as a 2K cryogenic detector for FE mapping of SRF cavities and the directionality of S1223-01 in such environments. We will also present calibration curves between the diodes and JLab's standard radiation detector placed above the Dewar's top plate.

Ari Palczewski, Rongli Geng

2012-07-01

362

Performance evaluation and calibration of a modular multiband radiometer for remote sensing field research  

NASA Technical Reports Server (NTRS)

A multiband radiometer suitable for operation from helicopter, small plane, truck, or tripod platforms was developed. The standard unit is equipped with the seven thematic mapper spectral bands with an added band from 1.5 to 1.30 microns; however, up to eight user specified bands from 0.4 to 15 microns may be installed under clean field conditions. Results of prototype tests of the spectral responsivity of the detectors, the transmittance of the optical filters as a function of wavelength, the fields of view, and the system linearity, temperature stability, noise performance, and dynamic range were evaluated. Minor modifications were made to the instrument and the results of final testing are reported.

Robinson, B. F.; Buckley, R. E.; Burgess, J. A. (principal investigators)

1982-01-01

363

[Alfalfa quality evaluation in the field by near-infrared reflectance spectroscopy].  

PubMed

To explore the feasibility of using near-infrared reflectance spectroscopy (NIRS) to evaluate alfalfa quality rapidly in the field and try to find the appropriate machine and sample preparation method, the representative population of 170 fresh alfalfa samples collected from different regions with different stages and different cuts were scanned by a portable NIRS spectrometer (1 100 - 1 800 nm). This is the first time to build models of fresh alfalfa to rapidly estimate quality in the field for harvesting in time. The calibrations of dry matter (DM), crude protein (CP), neutral detergent fiber (NDF) and acid detergent fiber (ADF) were developed through the partial least squares regression (PLS). The determination coefficients of cross-validation (R2((CV)) were 0.831 4, 0.597 9, 0.803 6, 0.786 1 for DM, CP, NDF, ADF, respectively; the root mean standard error of cross-validation (RMSECV) were 1.241 1, 0.261 4, 0.990 3, 0.830 6; The determination coefficients of validation (R2(V)) were 0.815 0, 0.401 1, 0.784 9, 0.752 1 and the root mean standard errors of validation(RMSEP)were 1.06, 0.31, 0.95, 0.80 for DM, CP, NDF, ADF, respectively. For fresh alfalfa ,the calibration of DM, NDF, ADF can do rough quantitative analysis but the CP's calibration is failed. however, as CP in alfalfa hay is enough for animal and the DM, NDF and ADF is the crucial indicator for evaluating havest time, the model of DM, NDF and ADF can be used for evaluating the alfalfa quality rapidly in the field. PMID:24555370

Xu, Rui-Xuan; Li, Dong-Ning; Yang, Dong-Hai; Lin, Jian-Hai; Xiang, Min; Zhang, Ying-Jun

2013-11-01

364

Laboratory development and field evaluation of a generic method for sampling and analysis of isocyanates. Revised final report  

SciTech Connect

The U.S. Environmental Protection Agency (EPA), under the authority of Title III of the Clean Air Act Amendments (CAAA) of 1990, requires the identification and validation of sampling and analytical methods for the isocyanate compounds which are listed among the 189 hazardous air pollutants identified in Title III. In all, three field tests were performed to accomplish the isocyanate field evaluation. The objective of this work was to develop and evaluate the isocyanate sampling and analytical test method through field testing at operating stationary sources. The method was evaluated by collecting flue gas samples for the analysis of the individual isocyanate and evaluating the data for bias and precision. EPA Method 301, Field Validation of Pollutant Measurement Methods from Various Waste Media, was used as the model for the experimental design of this method evaluation project.

McGaughey, J.F.; Foster, S.C.; Merrill, R.G.

1995-09-01

365

Standard practice for evaluating and qualifying oil field and refinery corrosion inhibitors using rotating cage  

E-print Network

1.1 This practice covers a generally accepted procedure to use the rotating cage (RC) for evaluating corrosion inhibitors for oil field and refinery applications. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

American Society for Testing and Materials. Philadelphia

2006-01-01

366

Parameter Evaluation of a Simple Mean-Field Model of Social Interaction  

E-print Network

The aim of this work is to implement a statistical mechanics theory of social interaction, generalizing econometric discrete choice models. A class of simple mean field discrete models is introduced and discussed both from the theoretical and phenomenological point of view. We propose a parameter evaluation procedure and test it by fitting our model against three families of data coming from different cases: the estimated interaction parameters are found to have similar positive values establishing a quantitative confirmation of the peer imitation behavior found in social psychology. Moreover all the values of the interaction parameters belong to the phase transition regime suggesting its possible role in the study of social systems.

Ignacio Gallo; Adriano Barra; Pierluigi Contucci

2008-10-16

367

Field analytical techniques for mercury in soils technology evaluation. Topical report, November 1994--March 1997  

SciTech Connect

This report presents the evaluation of the four field analytical techniques for mercury detection in soils, namely (1) an anodic stripping voltametry technique (ASV) developed and tested by General Electric Corporation; (2) a static headspace analysis (SHSA) technique developed and tested by Dr. Ralph Turner of Oak Ridge National Laboratory; (3) the BiMelyze{reg_sign} Mercury Immunoassay (Bio) developed and tested by BioNebraska, Inc.; and (4) a transportable x-ray fluorescence (XRF) instrument/technique developed and tested by Spectrace, Inc.

Solc, J.; Harju, J.A.; Grisanti, A.A.

1998-02-01

368

Palliative care making a difference in rural Uganda, Kenya and Malawi: three rapid evaluation field studies  

Microsoft Academic Search

Background  Many people live and die in pain in Africa. We set out to describe patient, family and local community perspectives on the\\u000a impact of three community based palliative care interventions in sub-Saharan Africa.\\u000a \\u000a \\u000a \\u000a \\u000a Methods  Three palliative care programmes in Uganda, Kenya and Malawi were studied using rapid evaluation field techniques in each\\u000a country, triangulating data from three sources: interviews with key

Liz Grant; Judith Brown; Mhoira Leng; Nadia Bettega; Scott A Murray

2011-01-01

369

Customized answers to summary queries via aggregate views  

Microsoft Academic Search

Statistical users typically require summary tables and want fast and accurate answers to their queries. Usually, the query system keeps materialized aggregate views to speed up the evaluation of summary queries. If the summary table on the variable of interest to a statistical user is not derivable from the set of materialized aggregate views, the answer to his query will

Francesco M. Malvestuto; Elaheh Pourabbas

2004-01-01

370

Design and evaluation of a research-based teaching sequence: The superposition of electric field  

NSDL National Science Digital Library

This paper illustrates our approach to research-based teaching strategies, including their evaluation. It deals with a teaching sequence on the superposition of electric fields, implemented at college level in an institutional framework subject to severe constraints. The general approach to the teaching-learning processes is that of a motivated and guided construction. Consistently, this sequence was designed on the basis of two interrelated studies: a content analysis of the domain and an investigation of common ways of reasoning. Thus, the part played by multicausality in the superposition principle and the tendencies previously observed in common reasoning as regards the analysis of multivariable problems inspired the main choices made for this sequence. The evaluation method, using 'conceptual profiles', will be explained and illustrated with the main findings. A discussion of this approach ends the paper.

Viennot, Laurence; Rainson, Sylvie

2005-11-28

371

Evaluation of nuclear facility decommissioning projects. Three Mile Island Unit 2 reactor coolant system and systems decontamination. Summary status report. Volume 1  

SciTech Connect

This document summarizes information relating to the decontamination and restoration of the Three Mile Island Unit 2 reactor coolant system and other plant systems. Data have been collected from activity reports, reactor containment entry records, and other sources and entered in a computerized data system which permits extraction/manipulation of specific data which can be used in planning for recovery from a loss of coolant event similar to that experienced by the Three Mile Island Unit 2 on March 28, 1979. This report contains a summary of radiation exposures, manpower, and time spent in radiation areas during the referenced period. Support activities conducted outside of radiation areas are not included. Computer reports included are: A chronological listing of all activities related to decomtamination and restoration of the reactor coolant system and other plant systems for the period of April 5, 1979, through December 19, 1984; a summary of labor and exposures by department for the same time period; and summary reports for each major task undertaken in connection with this specific work scope during the referenced time period.

Doerge, D.H.; Miller, R.L.; Scotti, K.S.

1986-05-01

372

Summary of "Using Student Growth to Evaluate Educators of Students with Disabilities: Issues, Challenges, and Next Steps": A Forum of State Special Education and Teacher Effectiveness Experts and Researchers. Forum Summary  

ERIC Educational Resources Information Center

With the current emphasis in educational policy on improving teacher effectiveness, states and school districts are quickly developing and implementing new models of teacher evaluation. However, few models address the unique challenges in accurately measuring achievement growth of students with disabilities (including those participating in…

Holdheide, Lynn; Browder, Diane; Warren, Sandra; Buzick, Heather; Jones, Nathan

2012-01-01

373

A summary of selected publications, project activities, and data sources related to hydrology in the Warrior and Plateau coal fields of Alabama  

USGS Publications Warehouse

The report is a reference source on hydrologic information related to coal-mining activities in the Warrior and Plateau coal fields of Alabama. It contains a bibliography of more than 200 references and selected annotations. Also included is information on maps, automated-data bases, water-monitoring programs, and data-source agencies and organizations.

Kidd, Robert E.; Hill, Thomas J.

1982-01-01

374

Laboratory and Field Evaluation of Fluid-Loss Additive Systems Used in the Williston Basin  

SciTech Connect

Many formations in the Williston Basin are naturally fractured limestones and dolomites. Naturally fractured reservoirs are typically the most difficult to maintain control of fracturing fluid leakoff. Treatments in the Mission Canyon, Midale and Ratcliffe formations of the Madison Group have had high fracturing fluid leakoffs. Polymer/inert solids mixtures, 100 mesh sand, silica flour and oil-soluble resins have been used in an attempt to control fluid loss. These additives have not consistently solved the problem of excessive fluid loss, and frequent screenouts, gel-outs or pressure-outs have resulted. A laboratory simulation of naturally fractured reservoir leakoff was employed to evaluate the efficiency of ten fluid loss additive systems. Tapered-slot fluid loss tests and proppant pack damage tests were performed using each additive system. Five fluid loss additive systems were identified which performed well in both tests. This paper also summarizes the results of a field evaluation of nine of the original ten fluid loss additive systems used in 70 wells in the Madison Group. Two fluid loss additive systems, a mixture of silica flour and 100 mesh sand, and a mixture of oil-soluble resin (nominal 250 mesh) and 100 mesh sand, performed well in the laboratory tests and had a high success rate in the field.

Woo, G.T.; Cramer, D.D.

1984-05-01

375

Executive summary of European Task Force document on diagnostic tools in rhinology.  

PubMed

This Executive Summary of the EAACI Task Force document on Diagnostic Tools in Rhinology provides the readers with an over- view of the currently available tools for diagnosis of nasal and sino-nasal disease, published in full version in the first issue of Clini- cal and Translational Allergy. A panel of European experts in the field of Rhinology have contributed to this consensus document on Diagnostic Tools in Rhinology. Important issues related to history taking, clinical examination and additional investigative tools for evaluation of the severity of nasal and sinonasal disease are briefly highlighted in this executive summary. PMID:23181247

Hellings, P W; Scadding, G; Alobid, I; Bachert, C; Fokkens, W J; Gerth van Wijk, R; Gevaerts, P; Guilemany, J; Kalogjera, L; Lund, V J; Mullol, J; Passalacqua, G; Toskala, E; van Drunen, C M

2012-12-01

376

Evaluation of some weed extracts against field dodder on alfalfa (Medicago sativa).  

PubMed

Experiments were conducted to evaluate the effectiveness of some weed extracts against field dodderCuscuta campestris Yunck. on alfalfa (Medicago stiva L.) and to identify and quantify the phytotoxic agents of these extracts. All concentrations of aqueous extract of every weed showed significant effectiveness on dodder when compared to the untreated plant under lath house and field conditions. Control percentages of the (0.5 g) of Bermuda grass (Cynodon dactylon) and wall goosefoot (Chenopodium murale) ranged between 83 and 96, and the same concentration caused injury to alfalfa foliage up to 43% when applied in the field. Phytotoxic agents were identified as phenolic compounds such as chlorogenic, isochlorogenic,p-coumaric acids, and scopoletin. Their quantities varied with species; Bermuda grass had the highest content (32.2 ?g/g dry weight) followed by Johnson grass (Sorghum halepense), well goosefoot, and tumble pigweed (Amaranthus albus). These results might aid in screening for effective alternate approaches for controlling dodder on alfalfa planted for seeds. PMID:24275991

Habib, S A; Rahman, A A

1988-02-01

377

Evaluation of cancellation coil for precision magnetic measurements with strong prepolarization field inside shielded environment  

NASA Astrophysics Data System (ADS)

Many precision magnetic measurements can benefit significantly from or even require strong prepolarization fields (Bp) and magnetically shielded environments. We describe here in detail a cancellation coil (CC) which can neutralize the Bp on the electrically conductive shield walls that may otherwise induce currents on the walls to produce a lingering transient residual field (Btr) inside the shielded environment and disrupt the measurement operations. The CC was designed using the inverse problem method to effectively neutralize magnetic fields generated on the shield walls by the Bp coil. The implemented CC was evaluated by measuring Btr using a fluxgate magnetometer at different magnetometer positions and cancellation coil currents (ICC). Multi-mode component analysis on the Btr measurements revealed two dominant components, where the component with shorter time constant comes from the current induced around the shield side walls and the other with longer time constant from the current induced on the ceiling and floor of the magnetically shielded room. The analysis also revealed the optimal ICC for each of the top, side, and bottom sections of the CC, which enables significantly easier fine-tuning of individual sections of the CC to enhance CC performance.

Hwang, Seong-min; Kim, Kiwoong; Seok Kang, Chan; Lee, Seong-Joo; Lee, Yong-Ho

2012-04-01

378

Evaluation of Specific Absorption Rate as a Dosimetric Quantity for Electromagnetic Fields Bioeffects  

PubMed Central

Purpose To evaluate SAR as a dosimetric quantity for EMF bioeffects, and identify ways for increasing the precision in EMF dosimetry and bioactivity assessment. Methods We discuss the interaction of man-made electromagnetic waves with biological matter and calculate the energy transferred to a single free ion within a cell. We analyze the physics and biology of SAR and evaluate the methods of its estimation. We discuss the experimentally observed non-linearity between electromagnetic exposure and biological effect. Results We find that: a) The energy absorbed by living matter during exposure to environmentally accounted EMFs is normally well below the thermal level. b) All existing methods for SAR estimation, especially those based upon tissue conductivity and internal electric field, have serious deficiencies. c) The only method to estimate SAR without large error is by measuring temperature increases within biological tissue, which normally are negligible for environmental EMF intensities, and thus cannot be measured. Conclusions SAR actually refers to thermal effects, while the vast majority of the recorded biological effects from man-made non-ionizing environmental radiation are non-thermal. Even if SAR could be accurately estimated for a whole tissue, organ, or body, the biological/health effect is determined by tiny amounts of energy/power absorbed by specific biomolecules, which cannot be calculated. Moreover, it depends upon field parameters not taken into account in SAR calculation. Thus, SAR should not be used as the primary dosimetric quantity, but used only as a complementary measure, always reporting the estimating method and the corresponding error. Radiation/field intensity along with additional physical parameters (such as frequency, modulation etc) which can be directly and in any case more accurately measured on the surface of biological tissues, should constitute the primary measure for EMF exposures, in spite of similar uncertainty to predict the biological effect due to non-linearity. PMID:23750202

Panagopoulos, Dimitris J.; Johansson, Olle; Carlo, George L.

2013-01-01

379

Evaluation of single-field macro element for predicting 3D material properties of plain weave composites  

E-print Network

The performance of single field macro elements based on subdomain integration was evaluated. A macro element is defined to be an element which can account for microstructure within a single element. The effective engineering properties have been...

Noh, Jae Huek

2012-06-07

380

I-80 HOV lane evaluation study appendices, project No. 7290. Final report, March 1994-March 1996  

SciTech Connect

Tables providing supplementary data and data analysis procedures for the I-80 HOV Lane Evaluation Study. Appendix contents include: Field Traffic Count Summaries; Statistical Analysis Formulas; Data Summary Tables; Air Quality Benefits Analysis; Park and Ride Lot Utilization Data; Accident Data; and State Police Enforcement Data.

NONE

1997-06-01

381

Field evaluation of a quantitative polymerase chain reaction assay for Mycoplasma hyorhinis.  

PubMed

Mycoplasma hyorhinis has emerged as an important cause of systemic disease in nursery pigs. However, this bacterium can also be found in the upper respiratory tract of healthy swine. The current study describes the development of a quantitative polymerase chain reaction assay for the detection of M. hyorhinis and the evaluation of the assay in both disease diagnosis and disease surveillance using a large number of field samples. The analytical sensitivity was estimated to be 12 genome equivalents/?l. The assay was highly specific, detecting all 25 M. hyorhinis isolates tested and none of the 19 nontarget species tested. Assay repeatability was evaluated by testing different matrices spiked with known amounts of M. hyorhinis. Overall, assessment of the repeatability of the assay showed suitable precision within and between runs for all matrices. The coefficient of variation ranged from 10% to 24%. Mycoplasma hyorhinis DNA was detected in 48% of samples (pericardium, pleura, joints, nasal cavity, and lungs) from pigs with systemic disease. Mycoplasma hyorhinis was detected in nasal (92%) and oropharyngeal swabs (66%), as well as in oral fluids (100%). Potential uses of this tool involve the characterization of the prevalence of this pathogen in swine herds as well as bacterial quantification to evaluate intervention efficacy. PMID:25319032

Clavijo, Maria J; Oliveira, Simone; Zimmerman, Jeffrey; Rendahl, Aaron; Rovira, Albert

2014-11-01

382

Saturated flow in a single fracture: Evaluation of the Reynolds equation in measured aperture fields  

SciTech Connect

Fracture transmissivity and detailed aperture fields are measured in analog fractures specially designed to evaluate the utility of the Reynolds equation. The authors employ a light transmission technique with well-defined accuracy ({approximately}1% error) to measure aperture fields at high spatial resolution ({approximately}0.015 cm). A Hele-Shaw cell is used to confirm the approach by demonstrating agreement between experimental transmissivity, simulated transmissivity on the measured aperture field, and the parallel plate law. In the two rough-walled analog fractures considered, the discrepancy between the experimental and numerical estimates of fracture transmissivity was sufficiently large ({approximately} 22--47%) to exclude numerical and experimental errors (< 2%)as a source. They conclude that the three-dimensional character of the flow field is important for fully describing fluid flow in the two rough-walled fractures considered, and that the approach of depth averaging inherent in the formulation of the Reynolds equation is inadequate. They also explore the effects of spatial resolution, aperture measurement technique, and alternative definitions for link transmissivities in the finite-difference formulation, including some that contain corrections for tortuosity perpendicular to the mean fracture plane and Stokes flow. Various formulations for link transmissivity are shown to converge at high resolution ({approximately} 1/5 the spatial correlation length) in the smoothly varying fracture. At coarser resolutions, the solution becomes increasingly sensitive to definition of link transmissivity and measurement technique. Aperture measurements that integrate over individual grid blocks were less sensitive to measurement scale and definition of link transmissivity than point sampling techniques.

NICHOLL,M.J.; RAJARAM,H.; GLASS JR.,ROBERT J.; DETWILER,R.

2000-01-28

383

Evaluation of TENORMs field measurement with actual activity concentration in contaminated soil matrices.  

PubMed

The occurrence of technologically enhanced naturally occurring radioactive materials (TENORMs) concentrated through anthropogenic processes in contaminated soils at oil and gas facilities represent one of the most challenging issues facing the Canadian and US oil and gas industry today. Natural occurring radioactivity materials (NORMs) field survey techniques are widely used as a rapid and cost-effective method for ascertaining NORMs risks associated with contaminated soils and waste matrices as well other components comprising the environment. Because of potentially significant liability issues with Norms if not properly managed, the development of quantitative relationships between TENORMs field measurement techniques and laboratory analysis present a practical approach in facilitating the interim safe decision process since laboratory results can take days. The primary objective of this study was to evaluate the relationships between direct measurements of field radioactivity and various laboratory batch techniques using data collection technologies for NORM and actual laboratory radioactivity concentrations. The significance of selected soil characteristics that may improve or confound these relationships in the formulation of empirical models was also achieved as an objective. The soil samples used in this study were collected from 4 different locations in western Canada and represented a wide range in terms of their selected chemical and physical properties. Multiple regression analyses for both field and batch data showed a high level of correlation between radionuclides Ra-226 and Ra-228 as a function of data collection technologies and relevant soil parameters. All R2 values for the empirical models were greater than 0.80 and significant at P<0.05. The creation of these empirical models could be valuable in improving predictability of radium contamination in soils and therefore, reduce analytical costs as well as environmental liabilities. PMID:17849307

Saint-Fort, Roger; Alboiu, Mirtyll; Hettiaratchi, Patrick

2007-09-01

384

Field test evaluation of aerobic, anaerobic, and wheelchair basketball skill performances.  

PubMed

Forty-six male wheelchair basketball players performed a set of field tests to evaluate aerobic capacity (25 m shuttle run), anaerobic capacity (30s sprint), and six specific wheelchair basketball skills. Overall test-retest reliability (n = 20) ranged from r = 0.65 to r = 0.97. To study the validity (criterion related evidence) of the shuttle run test, heart rate (HR) was recorded for 15 subjects, who also performed a continuous, multistage arm cranking exercise until volitional fatigue. Moderate to high correlations were calculated between shuttle run distances covered (1375 243,6 m) and VO2max (2208+/-461.6 mL/min) and POmax (93.8+/-17.97 W), measured during maximal arm cranking (respectively r = 0.64 and r = 0.87). Maximal HR during shuttle run (174.9+/-16.6 B/min) and arm cranking (169+/-14.21 B/min) were correlated (r = 0.78). High correlations between shuttle run test and anaerobic field tests, however, indicate high implication of anaerobic and wheelchair maneuverability performances. The 30 s sprint test was validated (n = 15) against a Wingate Anaerobic Test (WAnT) on a roller ergometer. Comparing distance (field test: 90+/-6.7 m) with mean power output (WAnT: 852.1+/-234.9 W) the correlation was r = 0.93. Principal components factor analysis identified 'wheelchair propulsion dynamics' and 'eye-hand-coordination' as the underlying constructs of the six skill proficiency measurements, accounting for 80.1% of the variance. In conclusion, the newly developed field test battery is a reliable and valid tool for anaerobic capacity and skill proficiency assessment in wheelchair basketball players. PMID:10606220

Vanlandewijck, Y C; Daly, D J; Theisen, D M

1999-11-01

385

Performance Evaluation of LDPC Coding and Iterative Decoding System in BPM R/W Channel Affected by Head Field Gradient, Media SFD and Demagnetization Field  

NASA Astrophysics Data System (ADS)

We evaluate the performance of the write-margin for the low-density parity-check (LDPC) coding and iterative decoding system in the bit-patterned media (BPM) R/W channel affected by the write-head field gradient, the media switching field distribution (SFD), the demagnetization field from adjacent islands and the island position deviation. It is clarified that the LDPC coding and iterative decoding system in R/W channel using BPM at 3 Tbit/inch2 has a write-margin of about 20%.

Nakamura, Yasuaki; Okamoto, Yoshihiro; Osawa, Hisashi; Aoi, Hajime; Muraoka, Hiroaki

386

To appear in an IEEE VGTC sponsored conference proceedings Evaluation of Depth of Field for Depth Perception in DVR  

E-print Network

To appear in an IEEE VGTC sponsored conference proceedings Evaluation of Depth of Field for Depth Perception in DVR A.V.Pascal Grosset School of Computing and SCI Institute, University of Utah Mathias Schott In this paper, we present a user study on the use of Depth of Field for depth perception in Direct Volume

Boyer, Edmond

387

Evaluation of garlic intercropping for enhancing the biological control of Ralstonia solanacearum in flue-cured tobacco fields  

Microsoft Academic Search

Tobacco bacterial wilt, Ralstonia solanacearum, is an important disease affecting the root and stem. The disease causes extensive damage to flue-cured tobacco all over the word. Field trials were conducted in 2008 and 2009 at Longyan, Fujian Province, China, to evaluate garlic intercropping for enhancing the biological control of R. solanacearum in flue-cured tobacco fields. The results of the study

Rongquan Lai; Minsheng You; Lincan Jiang; Bitian Lai; Shunhui Chen; Wenlong Zeng; Daibing Jiang

2011-01-01

388

Effect of the static magnetic field of the MR-scanner on ERPs: Evaluation of visual, cognitive and motor potentials  

E-print Network

Effect of the static magnetic field of the MR-scanner on ERPs: Evaluation of visual, cognitive, B-3000 Leuven, Belgium d Katholieke Universiteit Leuven, Department of Pediatric Neurology, B-3000 of the static magnetic field of the MR-scanner on ERPs extracted from simultaneous EEG�fMRI recordings

389

Summary of the Second International Planetary Dunes Workshop: Planetary Analogs - Integrating Models, Remote Sensing, and Field Data, Alamosa, Colorado, USA, May 18-21, 2010  

USGS Publications Warehouse

The Second International Planetary Dunes Workshop took place in Alamosa, Colorado, USA from May 18-21, 2010. The workshop brought together researchers from diverse backgrounds to foster discussion and collaboration regarding terrestrial and extra-terrestrial dunes and dune systems. Two and a half days were spent on five oral sessions and one poster session, a full-day field trip to Great Sand Dunes National Park, with a great deal of time purposefully left open for discussion. On the last day of the workshop, participants assembled a list of thirteen priorities for future research on planetary dune systems. ?? 2010.

Fenton, L. K.; Bishop, M. A.; Bourke, M. C.; Bristow, C. S.; Hayward, R. K.; Horgan, B. H.; Lancaster, N.; Michaels, T. I.; Tirsch, D.; Titus, T. N.; Valdez, A.

2010-01-01

390

Study of shape evaluation for mask and silicon using large field of view  

NASA Astrophysics Data System (ADS)

We have developed a highly integrated method of mask and silicon metrology. The aim of this integration is evaluating the performance of the silicon corresponding to Hotspot on a mask. It can use the mask shape of a large field, besides. The method adopts a metrology management system based on DBM (Design Based Metrology). This is the high accurate contouring created by an edge detection algorithm used in mask CD-SEM and silicon CD-SEM. Currently, as semiconductor manufacture moves towards even smaller feature size, this necessitates more aggressive optical proximity correction (OPC) to drive the super-resolution technology (RET). In other words, there is a trade-off between highly precise RET and mask manufacture, and this has a big impact on the semiconductor market that centers on the mask business. As an optimal solution to these issues, we provide a DFM solution that extracts 2-dimensional data for a more realistic and error-free simulation by reproducing accurately the contour of the actual mask, in addition to the simulation results from the mask data. On the other hand, there is roughness in the silicon form made from a mass-production line. Moreover, there is variation in the silicon form. For this reason, quantification of silicon form is important, in order to estimate the performance of a pattern. In order to quantify, the same form is equalized in two dimensions. And the method of evaluating based on the form is popular. In this study, we conducted experiments for averaging method of the pattern (Measurement Based Contouring) as two-dimensional mask and silicon evaluation technique. That is, observation of the identical position of a mask and a silicon was considered. The result proved its detection accuracy and reliability of variability on two-dimensional pattern (mask and silicon) and is adaptable to following fields of mask quality management. •Discrimination of nuisance defects for fine pattern. •Determination of two-dimensional variability of pattern. •Verification of the performance of the pattern of various kinds of Hotspots. In this report, we introduce the experimental results and the application. We expect that the mask measurement and the shape control on mask production will make a huge contribution to mask yield-enhancement and that the DFM solution for mask quality control process will become much more important technology than ever. It is very important to observe the form of the same location of Design, Mask, and Silicon in such a viewpoint. And we report it about algorithm of the image composition in Large Field.

Matsuoka, Ryoichi; Mito, Hiroaki; Shinoda, Shinichi; Toyoda, Yasutaka

2010-09-01

391

Feasibility study for a numerical aerodynamic simulation facility: Summary  

NASA Technical Reports Server (NTRS)

The Ames Research Center of NASA is engaged in the development and investigation of numerical methods and computer technologies to be employed in conjunction with physical experiments, particularly utilizing wind tunnels in the furtherance of the field of aircraft and aerodynamic body design. Several studies, aimed primarily at the areas of development and production of extremely high-speed computing facilities, were conducted. The studies focused on evaluating the aspects of feasibility, reliability, costs, and practicability of designing, constructing, and bringing into effect production of a special-purpose system. An executive summary of the activities for this project is presented in this volume.

Lincoln, N. R.

1979-01-01

392

Mechanisms and risk factors for noncontact ACL injury in age mature athletes who engage in field or court sports: a summary of the literature since 1980.  

PubMed

Epidemiological data show that in the last 10 years alone the incidence and rate of anterior cruciate ligament (ACL) injuries have not changed appreciably. Furthermore, many ACL injuries appear to be noncontact in nature and sustained while engaging in some field or court sport. Thus, the need to investigate novel methods and adopt training strategies to prevent ACL injuries is paramount. To do so, however, requires an understanding of the mechanisms and risk factors for the injury. The aim of this review was to investigate the mechanisms and risk factors for noncontact ACL injuries in age mature athletes who compete in field or court sports. A search of the entire MEDLINE database for biomedicine was performed, and an iterative reference check was also conducted. A total of 87 articles disclosed met the eligibility criteria. Articles were grouped into 'themes'; 'anatomical and biomechanical mechanisms and risk factors,' 'intrinsic mechanisms and risk factors,' and 'extrinsic mechanisms and risk factors.' In this review, it is concluded that there are still a number of risk factors and mechanisms for noncontact ACL injury that are not well understood. However, the importance of dynamic knee joint stability is highlighted. It is also suggested that novel methods for preventing ACL injury be investigated and developed. PMID:22158092

Serpell, Benjamin G; Scarvell, Jennie M; Ball, Nick B; Smith, Paul N

2012-11-01

393

Evaluation of lightning field-to-current conversion equations using triggered-lightning data: An update  

NASA Astrophysics Data System (ADS)

Return-stroke peak current can be obtained from measurement of channel-base current at the strike object (which is difficult because of the random occurrence of natural lightning in space and time) or can be estimated from measurement of the corresponding electric or magnetic field at a typical distance of several kilometers or more from the lightning channel. A field-to-current conversion procedure is required for the estimation of lightning return stroke peak currents from measured fields. The following empirical formula was proposed by Rakov et al. [1992] to estimate the return-stroke peak current I from the initial (essentially radiation) electric field peak E and distance r to the lightning channel: I=1.5-0.037rE (1) where I is in kA and taken as negative, E is positive and in V/m, and r is in km. Eq. (1) was derived using data for 28 triggered-lightning strokes acquired by Willett et al. [1989] at the Kennedy Space Center (KSC), Florida. Another approach is the use of the radiation-field-to-current conversion equation based on the transmission-line model [Uman and McLain, 1969]: I= (2??_0 c^2 r)/v E (2) where ?0 is the permittivity of free space, c is the speed of light, and v is the return-stroke speed (assumed to be constant). The return-stroke speed is generally unknown and its range of variation from one event to another is typically from c/3 to 2c/3. Both I and E in Eq. (2) are absolute values. Perfectly conducting ground is assumed. Electric field peaks, recorded at the Lightning Observatory in Gainesville (LOG), Florida, for 89 strokes in 22 lightning flashes triggered at Camp Blanding (CB), Florida, in 2008-2010 were used to estimate peak currents based on the two methods outlined above and were compared with peak currents directly measured at CB [Mallick et al., 2012]. The distance between CB and LOG is 45 km. The empirical formula was found to overestimate peak currents with the median absolute errors being 21%. The field-to-current conversion equation based on the transmission-line model gave the best match with directly measured peak currents for return-stroke speeds between c/2 and 2c/3. In this paper, we extend the study of Mallick et al. [2012] to evaluate the field-to-current conversion equations using a larger data set acquired at CB and LOG in 2008-2012. In 2008-2012, 66 flashes containing 227 strokes were triggered at CB. Electric fields for 45 flashes containing 211 strokes were recorded at LOG. CB peak currents used here were previously used by Mallick et al. [2013] for estimating errors in peak currents reported by the NLDN. Acknowledgments: This research was supported in part by NSF Grant ATM-0852869 and DARPA Grant HR0011-10-1-0061. Acquisition of triggered-lightning current data used in this study would not be possible without efforts of many individuals, including, in alphabetical order, W. R. Gamerota, J. D. Hill, D. M. Jordan, T. Ngin, R. C. Olsen III, J. T. Pilkey, and M. A. Uman, to name those who deserve special thanks. References: Mallick et al. (2012), Atmos. Res., http://dx.doi.org/10.1016/j.atmosres.2012.08.008. Mallick et al. (2013), Proc. 8th APL, paper LDIA-433. Rakov et al. (1992), J. Geophys. Res., 97(D11), 11527-11533. Uman and McLain (1969), J. Geophys. Res., 74(D28), 6899-6910. Willett et al. (1989), J. Geophys. Res., 94(D11), 13275-13286.

Mallick, S.; Rakov, V. A.

2013-12-01

394

Evaluation of the Prothrombin Time for Measuring Rivaroxaban Plasma Concentrations Using Calibrators and Controls: Results of a Multicenter Field Trial  

Microsoft Academic Search

This study evaluated the prothrombin time (PT) assay for the measurement of plasma concentrations of rivaroxaban using calibrators and controls. The intra- and interlaboratory precision of the measurement was investigated in a field trial involving 21 laboratories. Each laboratory was provided with rivaroxaban calibrators and control plasma samples containing different concentrations of rivaroxaban, and PT reagents. The evaluation was carried

Meyer Michel Samama; Genevieve Contant; Theodore E. Spiro; Elisabeth Perzborn; Lena Le Flem; Céline Guinet; Yves Gourmelin; Jean Luc Martinoli

2012-01-01

395

Field evaluation of cotton near-isogenic lines introgressed with QTLs for productivity and drought related traits  

E-print Network

Field evaluation of cotton near-isogenic lines introgressed with QTLs for productivity and drought Springer Science+Business Media B.V. 2008 Abstract Quantitative trait loci (QTLs) for yield and drought, in order to (1) evaluate the potential to improve cotton drought resistance by MAS and (2) test the role

Chee, Peng W.

396

EVALUATION OF SEDIMENT BYPASS EFFICIENCY BY FLOW FIELD AND SEDIMENT CONCENTRATION MONITORING TECHNIQUES  

NASA Astrophysics Data System (ADS)

This paper evaluates the performance of the sediment bypass tunnel that diverts the suspended sediment from Lake Miwa to downstream reaches below Miwa dam. In such a complex processes during bypassing, it is difficult to predict the sediment bypassed efficiency numerically. Therefore, the digital image techniques were developed and implemented to measure the flow pattern and suspended sediment concentration SSC for the first time in Miwa dam. Where, field measurements were conducted during flood seasons in June and July 2010. Surface flow velocity and SSC were analyzed to clarify the performance before and after the commencement bypassing operation mode. The measured sediment bypassed efficiency assists the decision making on optimization of bypassing performance and validates numerical prediction. The facility proved its effectiveness in mitigating reservoir sedimentation in Miwa dam and turbidity of river water contributing towards restoration of downstream environment.

Kantoush, Sameh; Sumi, Tetsuya; Murasaki, Mitsuhiro

397

Residues, dissipation and safety evaluation of chromafenozide in strawberry under open field conditions.  

PubMed

The dissipation and residual levels of new generation insecticide chromafenozide in strawberries under field conditions were studied using HPLC-DAD after QuEChERS extraction. The method was validated using blank samples spiked at three levels and the results showed that recoveries ranged from 99% to 110%. The intra- and inter-day relative standard deviations were less than 7.5% and 9.2%, respectively. Estimated limit of detection and limit of quantification for chromafenozide were 0.003 and 0.01 mg/kg, respectively. The residues of chromafenozide were found to dissipate following first order kinetics and its half-life ranged from 3.53 to 4.07 days. The results showed that the use of chromafenozide at recommended dose does not pose any hazards to consumers. These results can be utilised in formulating spray schedules and safety evaluation for chromafenozide insecticide in strawberry. PMID:24444901

Malhat, Farag; Badawy, Hany M A; Barakat, Dalia A; Saber, Ayman N

2014-01-01

398

Evaluating miscible and immiscible gas injection in the Safah field, Oman  

SciTech Connect

The reservoir modeling approach presented in this paper illustrates how available engineering tools can be used to evaluate the technical feasibility and economics of high-pressure gas injection. The key components to such a study included: (1) equation of state (EOS) modeling of experimental PVT data, matching miscible and immiscible slim tube results, and systematically reducing the number of components used in the EOS model to minimize computational requirements, (2) studying numerical grid effects, displacement mechanisms, optimal well pattern, and injection pressure with 2D cross-section and 3D sector models, and (3) comparing compositional results with simulations based on the black-oil PVT formulation used in full-field history matching and reservoir management modeling.

Hearn, C.L.; Whitson, C.H.

1995-12-31

399

On-the-field evaluation of an athlete with a head or neck injury.  

PubMed

Head and cervical spine sports-related injuries are intimately associated. The on-field evaluation and management of the athlete with these injuries is of paramount importance to stabilize the athlete and prevent further injury. Clinicians need to be aware of the differential diagnoses and consider each possibility based on the mechanism of injury. Although recognition of head and cervical spine injuries has resulted in significant reductions of catastrophic neurological injuries, especially in the cervical spine, further advances to decrease the incidence and long-term sequelae of head and neck injuries are needed. The first step is education of the athlete and the individuals involved in the care of that athlete. PMID:12852679

Ghiselli, Gary; Schaadt, Geoff; McAllister, David R

2003-07-01

400

A workstation-based evaluation of a far-field route planner for helicopters  

NASA Technical Reports Server (NTRS)

Helicopter flight missions at very low, nap of the Earth, altitudes place a heavy workload on the pilot. To aid in reducing this workload, Ames Research Center has been investigating various types of automated route planners. As part of an automated preflight mission planner, a route planner algorithm aids in selecting the overall (far-field) route to be flown. During the mission, the route planner can be used to replan a new route in case of unexpected threats or change in mission requirements. An evaluation of a candidate route planning algorithm, based on dynamic programming techniques is described. This algorithm meets most of the requirements for route planning, both preflight and during the mission. In general, the requirements are to minimize the distance and/or fuel and the deviation from a flight time schedule, and must be flyable within the constraints of available fuel and time.

Warner, David N., Jr.; Moran, Francis J.

1991-01-01

401

Field evaluation of the lignin-degrading fungus 'phanerochaete sordida' to treat creosote-contaminated soil  

SciTech Connect

A field study to determine the ability of selected lignin-degrading fungi to remediate soil contaminated with pentachlorophenol and creosote was performed at a wood treating facility in south central Mississippi in the Autumn of 1991. The study was designed to evaluate 7 fungal treatments and appropriate control treatments. Soil concentrations of 14 priority pollutant polycyclic aromatic hydrocarbon (PAH) components of creosote were measured over time to determine treatment efficacies. Fungal treatments involved mixing fungal inocula and aspen chips into the contaminated soil and maintaining moisture by irrigation and aeration by tillage. PAHs of more than 4 rings persisted at their original concentrations during the 8 wk course of the study for all treatments and controls.

Davis, M.W.; Glaser, J.A.; Evans, J.W.; Lamar, R.T.

1993-01-01

402

Best Practices Summary Report  

NSF Publications Database

BEST PRACTICES SUMMARY REPORT ENGINEERING EDUCATION INNOVATORS CONFERENCE April 7-8, 1997 Sheraton ... Engineering Education and Centers Division Directorate for Engineering National Science Foundation ...

403

Field measurements for evaluating the RZWQM and PESTFADE models for the tropical zone of Thailand.  

PubMed

Evaluation of the field scale agricultural non-point source (NPS) simulation model against field experimental data is an important step that must be considered before a model can be used as a management tool. Therefore, the present study focuses on the testing of two NPS models known as the RZWQM (Root Zone Water Quality Model) and the PESTFADE (PESTicide Fate And Dynamics in the Environment). These models are used to predict the soil water content, metribuzin fate, and transport in a sprinkler-irrigated soybean field located at the experimental farm of the Asian Institute of Technology (AIT) in the Pathumthani Province, Thailand. Field soil water content and metribuzin residue adsorbed at soil profile depths of 0-10, 10-20, and 30-40 cm at different time periods were intensively measured by the gravimetric method and Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS), respectively. When comparing the field measured data, it was observed that the RZWQM performed better in simulating the soil water fcontent, whereas the performance of the PESTFADE model was better at simulating the metribuzin residue in the soil. Specifically, a reasonable agreement existed between the measured soil water content and that predicted by the RZWQM for 0-10 and 30-40 cm soil depths. The model slightly overpredicted the metribuzin residue at 0-10 cm soil depth one day after herbicide application, whereas the prediction of metribuzin residue at 10-20 and 30-40 cm soil depths was in accordance with the measured values. The PESTFADE model performed relatively well in simulating the soil water content at 10-20 cm and metribuzin residue concentration at 0-10 and 10-20 cm soil profile depths. However, the model performed relatively poorly at 30-40 cm soil profile depth. These results indicate that when properly calibrated, both the RZWQM and PESTFADE models can be used to predict the movement of water and metribuzin residue in the soil of tropical zones. PMID:25288050

Shrestha, Sangam; Datta, Avishek

2015-01-01

404

Field performance evaluation of a newly developed PM?.? sampler at IIT Kanpur.  

PubMed

In order to meet the challenges of growing air pollution for a developing nation and to measure the ambient fine particles (PM?.?, particles having aerodynamic diameter less than 2.5 ?m) on routine basis an air sampler was designed, developed and evaluated in the field. The impactor removes particles greater than 2.5 ?m from the air stream via impacting them onto a vacuum grease substrate and finer particles get eventually collected on a backup filter. Various impactor nozzles with conical geometry were designed based on the published theoretical design equations. A detail parametric investigation was carried out which resulted in the optimum impactor nozzle design. For this exercise, a novel dry aerosol generator was employed in addition to the well known time-of-flight instrument, APS (Aerodynamic Particle Sizer, Model 3021, TSI Inc.). The average particle losses for the impactor nozzle as well as the sampler body were below 10% and the overall pressure drop (including a backup 47 mm filter) through the PM?.? sampler was only 2 in. of H?O. This developed PM?.? sampler operates at a flow rate of 15 LPM. Field performance of this sampler was evaluated through co-located sampling with a high volume PM?.? reference sampler (HVS, GEM-BLI Model 2360, Tisch Environment Instrument) within the IIT Kanpur campus. The sampling period was 10 h long and it was carried out on six different days. The entire sets of filters were analyzed gravimetrically followed by their chemical analysis for elemental and anionic analyses. The particle mass, elemental, and anionic concentrations obtained with this newly developed PM?.? sampler as well as those from the reference HVS sampler showed moderate to good correlation. PMID:21641629

Gupta, Tarun; Jaiprakash; Dubey, Shefali

2011-08-15

405

Evaluation of GEOS-5 Sulfur Dioxide Simulations During the Frostburg, MD 2010 Field Campaign.  

NASA Technical Reports Server (NTRS)

Sulfur dioxide (SO2) is a major atmospheric pollutant with a strong anthropogenic component mostly produced by the combustion of fossil fuel and other industrial activities. As a precursor of sulfate aerosols that affect climate, air quality, and human health, this gas needs to be monitored on a global scale. Global climate and chemistry models including aerosol processes along with their radiative effects are important tools for climate and air quality research. Validation of these models against in-situ and satellite measurements is essential to ascertain the credibility of these models and to guide model improvements. In this study the Goddard Chemistry, Aerosol, Radiation, and Transport (GOCART) module running on-line inside the Goddard Earth Observing System version 5 (GEOS-5) model is used to simulate aerosol and SO2 concentrations. Data taken in November 2010 over Frostburg, Maryland during an SO2 field campaign involving ground instrumentation and aircraft are used to evaluate GEOS-5 simulated SO2 concentrations. Preliminary data analysis indicated the model overestimated surface SO2 concentration, which motivated the examination of mixing processes in the model and the specification of SO2 anthropogenic emission rates. As a result of this analysis, a revision of anthropogenic emission inventories in GEOS-5 was implemented, and the vertical placement of SO2 sources was updated. Results show that these revisions improve the model agreement with observations locally and in regions outside the area of this field campaign. In particular, we use the ground-based measurements collected by the United States Environmental Protection Agency (US EPA) for the year 2010 to evaluate the revised model simulations over North America.

Buchard, V.; Da Silva, A. M.; Colarco, P.; Krotkov, N.; Dickerson, R. R.; Stehr, J. W.; Mount, G.; Spenei, E.; Arkinson, H. L.; He, H.

2013-01-01

406

Evaluation of GEOS-5 sulfur dioxide simulations during the Frostburg, MD 2010 field campaign  

NASA Astrophysics Data System (ADS)

Sulfur dioxide (SO2) is a major atmospheric pollutant with a strong anthropogenic component mostly produced by the combustion of fossil fuel and other industrial activities. As a precursor of sulfate aerosols that affect climate, air quality, and human health, this gas needs to be monitored on a global scale. Global climate and chemistry models including aerosol processes along with their radiative effects are important tools for climate and air quality research. Validation of these models against in-situ and satellite measurements is essential to ascertain the credibility of these models and to guide model improvements. In this study, the Goddard Chemistry, Aerosol, Radiation, and Transport (GOCART) module running on-line inside the Goddard Earth Observing System version 5 (GEOS-5) model is used to simulate aerosol and SO2 concentrations. Data taken in November 2010 over Frostburg, Maryland during an SO2 field campaign involving ground instrumentation and aircraft are used to evaluate GEOS-5 simulated SO2 concentrations. Preliminary data analysis indicated the model overestimated surface SO2 concentration, which motivated the examination of the specification of SO2 anthropogenic emission rates. As a result of this analysis, a revision of anthropogenic emission inventories in GEOS-5 was implemented, and the vertical placement of SO2 sources was updated. Results show that these revisions improve the model agreement with observations locally and in regions outside the area of this field campaign. In particular, we use the ground-based measurements collected by the United States Environmental Protection Agency (US EPA) for the year 2010 to evaluate the revised model simulations over North America.

Buchard, V.; da Silva, A. M.; Colarco, P.; Krotkov, N.; Dickerson, R. R.; Stehr, J. W.; Mount, G.; Spinei, E.; Arkinson, H. L.; He, H.

2014-02-01

407

Evaluation of GEOS-5 sulfur dioxide simulations during the Frostburg, MD 2010 field campaign  

NASA Astrophysics Data System (ADS)

Sulfur dioxide (SO2) is a major atmospheric pollutant with a strong anthropogenic component mostly produced by the combustion of fossil fuel and other industrial activities. As a precursor of sulfate aerosols that affect climate, air quality, and human health, this gas needs to be monitored on a global scale. Global climate and chemistry models including aerosol processes along with their radiative effects are important tools for climate and air quality research. Validation of these models against in-situ and satellite measurements is essential to ascertain the credibility of these models and to guide model improvements. In this study the Goddard Chemistry, Aerosol, Radiation, and Transport (GOCART) module running on-line inside the Goddard Earth Observing System version 5 (GEOS-5) model is used to simulate aerosol and SO2 concentrations. Data taken in November 2010 over Frostburg, Maryland during an SO2 field campaign involving ground instrumentation and aircraft are used to evaluate GEOS-5 simulated SO2 concentrations. Preliminary data analysis indicated the model overestimated surface SO2 concentration, which motivated the examination of mixing processes in the model and the specification of SO2 anthropogenic emission rates. As a result of this analysis, a revision of anthropogenic emission inventories in GEOS-5 was implemented, and the vertical placement of SO2 sources was updated. Results show that these revisions improve the model agreement with observations locally and in regions outside the area of this field campaign. In particular, we use the ground-based measurements collected by the United States Environmental Protection Agency (US EPA) for the year 2010 to evaluate the revised model simulations over North America.

Buchard, V.; da Silva, A. M.; Colarco, P.; Krotkov, N.; Dickerson, R. R.; Stehr, J. W.; Mount, G.; Spinei, E.; Arkinson, H. L.; He, H.

2013-08-01

408

Field-based evaluations of horizontal flat-plate fish screens  

USGS Publications Warehouse

Diversions from streams are often screened to prevent the loss of or injury to fish. Hydraulic criteria meant to protect fish that encounter screens have been developed, but primarily for screens that are vertical to the water flow rather than horizontal. For this reason, we measured selected hydraulic variables and released wild rainbow trout Oncorhynchus mykiss over two types of horizontal flat-plate fish screens in the field. Our goal was to assess the efficacy of these screens under a variety of conditions in the field and provide information that could be used to develop criteria for safe fish passage. We evaluated three different invertedweir screens over a range of stream (0.24-1.77 m3/s) and diversion flows (0.10-0.31 m3/s). Approach velocities (AVs) ranged from 3 to 8 cm/s and sweeping velocities (SVs) from 69 to 143 cm/s. We also evaluated a simple backwatered screen over stream flows of 0.23-0.79 m3/s and diversion flows of 0.08-0.32 m3/s. The mean SVs for this screen ranged from 15 to 66 cm/s and the mean AVs from 1 to 5 cm/s. The survival rates of fish held for 24 h after passage over these screens exceeded 98%. Overall, the number of fish-screen contacts was low and the injuries related to passage were infrequent and consisted primarily of minor fin injuries. Our results indicate that screens of this type have great potential as safe and effective fish screens for small diversions. Care must be taken, however, to avoid operating conditions that produce shallow or no water over the screen surface, situations of high AVs and low SVs at backwatered screens, and situations producing a localized high AV with spiraling flow. ?? Copyright by the American Fisheries Society 2008.

Rose, B. P.; Mesa, M. G.; Barbin-Zydlewski, G.

2008-01-01

409

Fields  

Microsoft Academic Search

The authors discuss the application of different statistical tests to the study of the spatial distribution of quasars. Applications to data sets of optically selected quasars lead to the detection of a clustering at a typical scale of 10 arcmin. Furthermore, the spatial distribution of quasars in a field around NGC 450 shows a deviation from randomness, towards clustering, at

E. Gosset; J. Surdej; J. P. Swings

1988-01-01

410

Joint use of laboratory bioassays and field-collected invertebrates to evaluate toxicity and contaminant bioaccumulation  

SciTech Connect

Soil toxicity tests using earthworms (Eisenia andrei) were conducted using soil samples collected as part of ecological risk assessments for several sites at two facilities in California. At some sites, earthworms or other terrestrial invertebrates were collected in the field for chemical analysis. Ecological concerns focused on exposures to soil invertebrates and their secondary consumers, such as birds and small mammals. The toxicity tests were used to assess potential exposures to a variety of site-specific contaminants including organochlorine pesticides, PCBs, PAHs, petroleum hydrocarbons, heavy metals, and other inorganic substances. Site soils were combined with clean control soils to produce toxicity test soil dilutions containing 100%, 75%, 50%, 25%, and 0% site soils. Earthworm mortality and other observations were made at day 0, 7, 14, 21 and 28. Toxicity test results were combined with soil chemical analytical results and physical characteristics to establish NOAELs and LOAELs. Bioaccumulation in the laboratory earthworms and field-collected invertebrates was evaluated by comparing whole-body contaminant to soil contaminant concentrations. Allometric equations and sublethal toxicity data were used to predict potential effects on birds and small mammals. Earthworm toxicity tests indicated a wide range of sensitivity to on-site contaminants and showed the importance of considering potential confounding influences due to soil parameters other than contaminant concentration.

Long, S.P.; Byron, E.R.; Ohlendorf, H.M. [CH2M Hill, Sacramento, CA (United States)

1995-12-31

411

Integrated field lysimetry and porewater sampling for evaluation of chemical mobility in soils and established vegetation.  

PubMed

Potentially toxic chemicals are routinely applied to land to meet growing demands on waste management and food production, but the fate of these chemicals is often not well understood. Here we demonstrate an integrated field lysimetry and porewater sampling method for evaluating the mobility of chemicals applied to soils and established vegetation. Lysimeters, open columns made of metal or plastic, are driven into bareground or vegetated soils. Porewater samplers, which are commercially available and use vacuum to collect percolating soil water, are installed at predetermined depths within the lysimeters. At prearranged times following chemical application to experimental plots, porewater is collected, and lysimeters, containing soil and vegetation, are exhumed. By analyzing chemical concentrations in the lysimeter soil, vegetation, and porewater, downward leaching rates, soil retention capacities, and plant uptake for the chemical of interest may be quantified. Because field lysimetry and porewater sampling are conducted under natural environmental conditions and with minimal soil disturbance, derived results project real-case scenarios and provide valuable information for chemical management. As chemicals are increasingly applied to land worldwide, the described techniques may be utilized to determine whether applied chemicals pose adverse effects to human health or the environment. PMID:25045915

Matteson, Audrey R; Mahoney, Denis J; Gannon, Travis W; Polizzotto, Matthew L

2014-01-01

412

Evaluation of test strips for determining inorganic contaminants in field water. Final report, January 1989-January 1993  

SciTech Connect

A prototype WQAS-PM (Water Quality Analysis Set-Preventive Medicine) has been assembled using off-the-shelf test strip technology for the analysis of arsenic, magnesium, chloride, sulfate and cyanide in the determination of the potability of Army field water. This prototype set has been evaluated by in-house operators and by military field units as to accuracy, time required to complete the analysis, ease of operation, and clarity of individual instructions. High temperature storage of these test kits has also been evaluated. The results of these evaluations as well as recommended modifications are presented.

Gibbons, J.M.; Hoke, S.H.; Hoffman, F.J.

1993-02-26

413

A FIELD EVALUATION OF IN-SITU BIODEGRADATION OF CHLORINATED ETHENES: PART I, METHODOLOGY AND FIELD SITE CHARACTERIZATION  

EPA Science Inventory

Careful site characterization and implementation of quantitative monitoring methods are prerequisites for a convincing evaluation of enhanced biostimulation for aquifer restoration. This paper describes the characterization of a site at Moffett Naval Air Station, Mountain View, C...

414

Aggregation pheromone of the cereal leaf beetle: field evaluation and emission from males in the laboratory.  

PubMed

The previously identified, male-specific compound of the cereal leaf beetle (CLB, Chrysomelidae; Oulema melanopus), (E)-8-hydroxy-6-methyl-6-octen-3-one, was studied further with respect to field activity and emission rate from male beetles. In a 5-week field experiment in Oregon, the compound was shown to function as an aggregation pheromone in attracting male and female CLBs migrating from overwintering sites in spring. Traps baited with the synthetic compound (500 microg per rubber septum) caught 3.3 times more CLBs than control traps. Lower doses of the pheromone (50 and 150 microg) were less attractive than the 500 microg dose. One relatively abundant, volatile compound from the host plant (oats), (Z)-3-hexenyl acetate, that elicited responses from beetle antennae was not attractive, either by itself or as a synergist of the pheromone. Both sexes were captured about equally for all treatments. We also measured daily pheromone emission by male beetles in the laboratory. Individual males feeding on oat seedlings under greenhouse conditions emitted as much as 6 microg per day, which is about 500 times higher than had been previously observed under incubator conditions. The pheromone emission rate was at least five times higher during the day than at night, and in one male, emission spanned a period of 28 d. The release rate of synthetic pheromone from the 500 microg septa was very similar to the maximum from single males; thus, future experiments should evaluate even higher doses. The field results indicate that the pheromone has potential as a monitoring tool for early detection of CLBs as they move from their overwintering sites into newly planted cereal crops in spring. PMID:14584683

Rao, Sujaya; Cossé, Allard A; Zilkowski, Bruce W; Bartelt, Robert J

2003-09-01

415

Operational field evaluation of the PAC-MAG man-portable magnetometer array  

NASA Astrophysics Data System (ADS)

Detection and discrimination of unexploded ordnance (UXO) in areas of prior conflict is of high importance to the international community and the United States government. For humanitarian applications, sensors and processing methods need to be robust, reliable, and easy to train and implement using indigenous UXO removal personnel. This paper describes system characterization, system testing, and a continental United States (CONUS) Operational Field Evaluations (OFE) of the PAC-MAG man-portable UXO detection system. System testing occurred at a government test facility in June, 2010 and December, 2011 and the OFE occurred at the same location in June, 2012. NVESD and White River Technologies personnel were present for all testing and evaluation. The PAC-MAG system is a manportable magnetometer array for the detection and characterization of ferrous UXO. System hardware includes four Cesium vapor magnetometers for detection, a Real-time Kinematic Global Position System (RTK-GPS) for sensor positioning, an electronics module for merging array data and WiFi communications and a tablet computer for transmitting and logging data. An odometer, or "hipchain" encoder, provides position information in GPS-denied areas. System software elements include data logging software and post-processing software for detection and characterization of ferrous anomalies. The output of the post-processing software is a dig list containing locations of potential UXO(s), formatted for import into the system GPS equipment for reacquisition of anomalies. Results from system characterization and the OFE will be described.

Keranen, Joe; Topolosky, Zeke; Schultz, Gregory; Miller, Jonathan

2013-06-01

416

Evaluation of liquid baits against field populations of the longlegged ant (Hymenoptera: Formicidae).  

PubMed

An evaluation of several insecticides, namely, 0.01% fipronil, 0.05% indoxacarb, and 2% boric acid in liquid bait formulations were carried out against field populations of the longlegged ant, Anoplolepis gracilipes (Fr. Smith) (Hymenoptera: Formicidae). The baits were formulated in brown cane sugar solution (50%, wt:wt) and placed in an experimental bait station. Each bait was evaluated against populations of A. gracilipes at four buildings. Fipronil, indoxacarb, and boric acid were effective against A. gracilipes, with > 90% reduction of workers within 3 d posttreatment. Total reduction (100%) was achieved within 7 d for fipronil, 14 d for indoxacarb, and 56 d for boric acid. The performance of fipronil and indoxacarb baits did not differ significantly (P > 0.05) in all postbaiting sampling intervals. Reduction of A. gracilipes resulted in an increase in other ant species [Monomorium pharaonis (L.), Monomorium floricola (Jerdon), Monomorium orientale Mayr, Monomorium destructor (Jerdon), Tapinoma indicum Forel, Pheidole sp., and Camponotus sp.] at the baited locations. PMID:19736772

Chong, Kim-Fung; Lee, Chow-Yang

2009-08-01

417

Characterization of instrumented sites for the Onsite Fuel-Cell Field-Test project. Executive Summary. Topical report, 1983-1985  

SciTech Connect

During the site selection phase of the Onsite Fuel-Cell Field Test, nearly one hundred sites throughout the U.S. were each instrumented with a standard data-acquisition system (DAS) to collect hourly electrical and thermal data for one year. Seventy of those sites are included in the report. Each site's electrical and thermal systems were instrumented including ambient temperature, electrical demands building gas usage, and other parameters which were necessary to calculate building thermal loads. Multifamily residential, commercial and light industrial sites were instrumented. Approximately twenty market sectors were represented including restaurants, hospitals, hotels, apartments, health clubs, nursing homes, and food-processing plants. The primary use of the data was to determine site compatibility for the installation of 40 kW fuel cell power plants. However, the collected energy data and site-specific information summarized in the comprehensive report may also be useful for other applications such as market characterization, and simulation of new or improved energy utilization equipment in actual sites.

Racine, W.C.; Campillo, C.J.

1986-11-01

418

Role of Biopersistence in the Pathogenicity of Man-made Fibers and Methods for Evaluating Biopersistence: A Summary of Two Round-table Discussions  

PubMed Central

This paper summarizes two roundtable discussions held at the conclusion of the International Conference on Biopersistence of Respirable Synthetic Fibres and Minerals. The first round table addressed the role of biopersistence in the pathogenicity of fiber-induced disease. The panel included T. W. Hesterberg (Chairman), J.M.G. Davis, K. Donaldson, B. Fubini, N.F. Johnson, G. Oberdoerster, P. Sébastien, and D. Warheit. The second panel addressed the issue of methods for assessing biopersistence. It included R.O. McClellan (Chairman), J. Brain, A. Langer, A. Morgan, C. Morscheidt, H. Muhle, and R. Musselman. The two chairmen acknowledge the excellent contributions of all the members of the panels, whose comments formed the basis of this summary. Nonetheless, the authors assume full responsibility for the written text, recognizing that it was not reviewed by the discussants of the two panels.—Environ Health Perspect 102(Suppl 5):277–283 (1994) PMID:7882950

McClellan, Roger O.; Hesterberg, Thomas W.

1994-01-01

419

Compatible host/mycorrhizal fungus combinations for micropropagated sea oats: II. Field evaluation.  

PubMed

Sea oats (Uniola paniculata L.) are the dominant plant in the pioneer coastal dunes of Florida and are widely used for dune restoration. DNA analysis has revealed significant ecotypic variation among Atlantic and Gulf coast populations of sea oats, but little is known about the diversity of the arbuscular mycorrhizal (AM) communities present in the dune systems. In a prior greenhouse study, we evaluated the functional diversity that exists among the AM fungal communities from divergent Florida dunes and selected effective host/AM fungus combinations for further study. The objective of this study was to evaluate the effect of these compatible combinations on the growth of sea oats planted at Anastasia State Recreation Area (AN) on the Atlantic coast and St. George Island State Park (SG) on the Gulf coast. Micropropagated sea oats from each site were inoculated with AM fungal communities also from AN and SG or a microbial filtrate control. The complete factorial of treatment combinations were grown in the greenhouse for 8 weeks and outplanted to the AN and SG field sites. After 1 year, root colonization was evaluated, and after 2 years, root colonization, shoot and root dry masses, and shoot- and root-P contents were determined. Overall, sea oats planted at AN had greater percent root colonization, shoot dry mass, and shoot-P content than those planted at SG. At AN, the local sea oat ecotype responded more to the fungal community from the same site relative to shoot dry mass and shoot-P content. At SG, the local fungal community produced larger plants with greater P content regardless of the origin of the host. We conclude that sea oat productivity is responsive to AM fungal ecotype as well as host ecotype, and fungal origin should therefore be taken into account when planning sea oat plantings on coastal dunes. PMID:18536940

Al Agely, Abid; Sylvia, David M

2008-07-01

420

Field evaluation of distance-estimation error during wetland-dependent bird surveys  

USGS Publications Warehouse

Context: The most common methods to estimate detection probability during avian point-count surveys involve recording a distance between the survey point and individual birds detected during the survey period. Accurately measuring or estimating distance is an important assumption of these methods; however, this assumption is rarely tested in the context of aural avian point-count surveys. Aims: We expand on recent bird-simulation studies to document the error associated with estimating distance to calling birds in a wetland ecosystem. Methods: We used two approaches to estimate the error associated with five surveyor's distance estimates between the survey point and calling birds, and to determine the factors that affect a surveyor's ability to estimate distance. Key results: We observed biased and imprecise distance estimates when estimating distance to simulated birds in a point-count scenario (x?error = -9 m, s.d.error = 47 m) and when estimating distances to real birds during field trials (x?error = 39 m, s.d.error = 79 m). The amount of bias and precision in distance estimates differed among surveyors; surveyors with more training and experience were less biased and more precise when estimating distance to both real and simulated birds. Three environmental factors were important in explaining the error associated with distance estimates, including the measured distance from the bird to the surveyor, the volume of the call and the species of bird. Surveyors tended to make large overestimations to birds close to the survey point, which is an especially serious error in distance sampling. Conclusions: Our results suggest that distance-estimation error is prevalent, but surveyor training may be the easiest way to reduce distance-estimation error. Implications: The present study has demonstrated how relatively simple field trials can be used to estimate the error associated with distance estimates used to estimate detection probability during avian point-count surveys. Evaluating distance-estimation errors will allow investigators to better evaluate the accuracy of avian density and trend estimates. Moreover, investigators who evaluate distance-estimation errors could employ recently developed models to incorporate distance-estimation error into analyses. We encourage further development of such models, including the inclusion of such models into distance-analysis software.

Nadeau, Christopher P.; Conway, Courtney J.

2012-01-01

421

Evaluating current geomagnetic field models with respect to sedimentary paleomagnetic data: is a dipole sufficient?  

NASA Astrophysics Data System (ADS)

There have been efforts to construct complex global geomagnetic field models constrained by limited paleomagnetic data. Here we present four different versions of a time varying geocentric dipole model for the past approximately 9000 years, which is based on a limited selection of sedimentary paleomagnetic data with good spatial cover. The robustness of the modeling approach is evaluated using modern magnetic observation station data provided by the World Data Centre for Geomagnetism in Edinburgh and we discuss the magnitude of the error introduced by insufficient data coverage. The prediction in terms of directional variations is tested against paleomagnetic data from 64 different sedimentary sites and compared to the output of the CALS3K.3 and CALS7K.2 spherical harmonic models (Korte & Constable 2005, Korte et al. 2009). We find that our dipole estimate can explain the paleomagnetic data almost as well as the CALS3K.3 and CALS7K.2 models. More importantly, specific areas and/or records are identified where there is a significant difference between the performance of the dipole estimate and the spherical harmonic models. We discuss different explanations for these misfits with a focus on the problems involved with geomagnetic field modeling of imperfect paleomagnetic data. Our results suggest that many of the differences between the dipole estimate prediction and the paleomagnetic data can be related to poor paleomagnetic quality and/or the lack of accurate and precise time control inherent to some of the records. These results agree with Valet et al. (2008) who suggested that the CALS7K.2 model probably underestimates the dipole contribution in order to reduce the misfit between the inversion and the data. We conclude that better paleomagnetic data and associated time control can improve the predictions of global geomagnetic models. References: Korte, M. & Constable, C. G. 2005. Continuous geomagnetic field models for the past 7 millennia: 2. CALS7K. Geochemistry Geophysics Geosystems 6, Q02H16, DOI:10.1029/2004GC000801. Korte, M., Donadini, F. & Constable, C. G. 2009. Geomagnetic field for 0-3 ka: 2. A new series of time-varying global models. Geochemistry Geophysics Geosystems 10, DOI: 10.1029/2008GC002297. Valet, J.-P., Herrero-Bervera, E., Le Mouel, J.-L. & Plenier, G. 2008. Secular variation of the geomagnetic dipole during the past 2000 years. Geochemistry Geophysics Geosystems 9, Q01008, DOI:10.1029/2007GC001728.

Nilsson, Andreas; Snowball, Ian; Muscheler, Raimund

2010-05-01

422

Evaluation and interpretation of bubble size distributions in pulsed megasonic fields  

NASA Astrophysics Data System (ADS)

The occurrence of acoustic cavitation is incorporating a multitude of interdependent effects that strongly depend on the bubble size. Therefore, bubble size control would be beneficial for biological and industrial processes that rely on acoustic cavitation. A pulsed acoustic field can result in bubble size control and the repeated dissolution and reactivation ("recycling") of potentially active bubbles. As a consequence, a pulsed field can strongly enhance cavitation activity. In this paper, we present a modified methodology for the evaluation of the active bubble size distribution by means of a combination of cavitation noise measurements and ultrasonic pulsing. The key component of this modified methodology is the definition of an upper size limit, below which bubbles—in between subsequent pulses—have to dissolve, in order to be sustainably recycled. This upper limit makes it possible to explain and link the enhancement of cavitation activity to a bubble size distribution. The experimentally determined bubble size distributions for different power densities are interpreted in the frame of numerical calculations of the oscillatory responses of the bubbles to the intermittent driving sound field. The distributions are found to be shaped by the size dependent interplay between bubble pulsations, rectified diffusion, coalescence, and the development of parametrically amplified shape instabilities. Also, a phenomenological reactivation-deactivation model is proposed to explain and quantify the observed enhancement of cavitation activity under pulsed, with respect to continuous sonication. In this model, the pulse-duration determines the magnitude of the reactivation of partially dissolved bubbles and the deactivation of activated bubbles by coalescence. It is shown that the subsequent recycling of previously active bubbles leads to an accumulation of cavitation activity, which saturates after a certain number of pulses. The model is fitted to the experimental data for the cavitation activity measured by means of ultraharmonic cavitation noise as a function of the pulse duration. Measurements of the development of the cavitation noise and sonochemiluminescence over a sequence of pulses for different pulse durations and separations confirm the general validity of the proposed model. Size distributions of the larger, inactive bubbles that were extracted from High-speed images of the cavitation field, relate the deactivation of activated bubbles by coalescence to the increase in volume concentrations of larger bubbles as observed by others.

Hauptmann, M.; Struyf, H.; De Gendt, S.; Glorieux, C.; Brems, S.

2013-05-01

423

Summary report Wellcome Trust  

E-print Network

Summary report Wellcome Trust Basic Science Career Tracker Results of wave 3 (2011) #12;Summary the third wave of the Wellcome Trust Basic Science Career Tracker, an online survey that enables us to track and India. In wave 3 of the Basic Science Career Tracker (summer 2011), overall participation was high

Rambaut, Andrew

424

NASA Information Summaries.  

ERIC Educational Resources Information Center

This document consists of 11 "NASA Information Summaries" grouped together: (1) "Our Planets at a Glance" (PMS-010); (2) "Space Shuttle Mission Summary: 1985-1986" (PMS-005); (3) "Astronaut Selection and Training" (PMS-019); (4) "Space Station" (PMS-008); (5) "Materials Processing in Space" (PMS-026); (6) "Countdown!: NASA Launch Vehicles and…

Mar, May 1987, 1988

1988-01-01

425

Lesson Summary Students design an experiment to measure the  

E-print Network

Lesson Summary Students design an experiment to measure the magnetic field of the Earth using a bar the Interplanetary Magnetic Field (IMF). They will experiment with different ways of measuring Earth's magnetic field magnetic field than Earth's magnetic field. The day before this activity, you can have your students bring

Mojzsis, Stephen J.

426

Field soil aggregate stability kit for soil quality and rangeland health evaluations  

USGS Publications Warehouse

Soil aggregate stability is widely recognized as a key indicator of soil quality and rangeland health. However, few standard methods exist for quantifying soil stability in the field. A stability kit is described which can be inexpensively and easily assembled with minimal tools. It permits up to 18 samples to be evaluated in less than 10 min and eliminates the need for transportation, minimizing damage to soil structure. The kit consists of two 21??10.5??3.5 cm plastic boxes divided into eighteen 3.5??3.5 cm sections, eighteen 2.5-cm diameter sieves with 1.5-mm distance openings and a small spatula used for soil sampling. Soil samples are rated on a scale from one to six based on a combination of ocular observations of slaking during the first 5 min following immersion in distilled water, and the percent remaining on a 1.5-mm sieve after five dipping cycles at the end of the 5-min period. A laboratory comparison yielded a correlation between the stability class and percent aggregate stability based on oven dry weight remaining after treatment using a mechanical sieve. We have applied the method in a wide variety of agricultural and natural ecosystems throughout western North America, including northern Mexico, and have found that it is highly sensitive to differences in management and plant community composition. Although the field kit cannot replace the careful laboratory-based measurements of soil aggregate stability, it can clearly provide valuable information when these more intensive procedures are not possible.

Herrick, J.E.; Whitford, W.G.; de Soyza, A. G.; Van Zee, J. W.; Havstad, K.M.; Seybold, C.A.; Walton, M.

2001-01-01

427

CURRENT STATUS OF WATER QUALITY IN LONG, JOHANNA AND JOSEPHINE LAKES - A SUMMARY REPORT ON THE DETAILED EVALUATION STUDY OF THE LONG LAKE CHAIN OF LAKES IMPROVEMENT PROJECT  

EPA Science Inventory

An evaluation of Long Lake, Minnesota was initiated by Ramsey County and Environmental Research Group, Inc. in February 1978 to determine the effectiveness of a demonstration project on lake restoration. The three-year evaluation study included continuous hydrologic monitoring to...

428

Summary of ENDF/B-V evaluations for carbon, calcium, iron, copper, and lead and ENDF/B-V Revision 2 for calcium and iron  

SciTech Connect

This report, together with documents already published, describes the ENDF/B-V evaluations of the neutron and gamma-ray-production cross sections for carbon, calcium, iron, copper, and lead and the ENDF/B-V Revision 2 evaluations for calcium and iron.

Fu, C Y

1982-09-01

429

Design and Development of a Knowledge-based Framework for Trouser Procurement: Bid Evaluation Software Tool (BEST); Volume I: Executive Summary Technical Report.  

National Technical Information Service (NTIS)

Research has been carried out to design and develop BEST (Bid Evaluation Software Tool) a knowledge-based decision support system for evaluating the capability of an apparel manufacturer to perform on a contract. BEST has been developed in cooperation wit...

S. Jayaraman, S. Narayanan, N. Krishna, S. Venkataraman

1996-01-01

430

Thermal Imagery and Field Techniques to Evaluate Groundwater Nutrient Loading to an Estuary  

NASA Astrophysics Data System (ADS)

Thermal infrared imagery has the potential to be a powerful and affordable tool for coastal managers and scientists to assist in the evaluation of pollution from groundwater. Developments in thermal imagery have improved its accessibility and affordability for use in coastal resource management. An on-going study has applied these new developments in thermal imagery to evaluate groundwater discharge on a large scale. In April and August of 2000 a series of thermal infrared aerial surveys were flown over the Great Bay Estuary in coastal New Hampshire. This study delineated the large-scale groundwater flux to an estuary. This flux was then used to estimate the nutrient loading to the estuarine ecosystem. The aerial survey covered the Great Bay, including nearly 50 miles of shoreline and four of the major contributing rivers. The August survey was completed in the equivalent of an afternoon. The images were available immediately with no post-processing required, and are being mosaicked into larger contiguous images to be incorporated into GIS applications. The images were studied for thermal anomalies as an indication of upwelling groundwater. The surface areas of each individual groundwater discharge zones were computed by GIS analysis of the photo-identified discharge zones. This was accomplished by use of gray-scale images calibrated to a known temperature range. The suspected groundwater discharge zones were identified in the field, characterized for hydrologic parameters, and sampled for water quality. Preliminary results suggest that groundwater is a significant component of the freshwater influx to the Great Bay, contributing half as much as the 10-year daily average of the Lamprey River. The Lamprey River is the largest (183 sq. mi. drainage area) of the four major surface freshwater sources to the upper Great Bay. Of particular significance, the estimated groundwater contribution was as much as 150%\\ that contributed by the Lamprey River during the summer low flows, when dilution and mixing are at a minimum. . The field-measured groundwater influx had elevated nitrate levels averaging nearly 0.95 mg NO3-N/L. The elevated nitrate concentrations were found down gradient of low-density residential areas with little agriculture. Groundwater contribution is typically one of the last major variables to be adequately characterized in a comprehensive study of nutrient loading to estuarine ecosystems. Preliminary results of this study indicate that groundwater influx is a significant component of the overall nutrient loading. Information regarding the quantity and quality of groundwater discharge to coastal ecosystems is valuable from both land management and regulatory standpoints.

ROSEEN, R. M.; BRANNAKA, L. K.; BALLESTERO, T. P.

2001-05-01

431

Blood collected on filter paper for wildlife serology: evaluating storage and temperature challenges of field collections.  

PubMed

Filter-paper (FP) blood sampling can facilitate wildlife research and expand disease surveillance. Previous work indicated that Nobuto FP samples from caribou and reindeer (Rangifer tarandus subspecies) had comparable sensitivity and specificity to serum samples (? 80% for both) in competitive enzyme-linked immunosorbent assays (cELISAs) for Brucella spp., Neospora caninum, and West Nile virus. The same sensitivity and specificity criteria were met in indirect ELISAs for Brucella spp., bovine herpesvirus type 1 (BHV-1), parainfluenza virus type 3 (PI-3), and bovine respiratory syncytial virus (BRSV), with adjusted FP thresholds used for PI-3 and BRSV. Comparable sensitivity and specificity values to serum were also observed for FP in virus neutralization (VN) assays for bovine viral diarrhea virus types I and II; however, reduced sensitivity is a potential limitation of FP samples in protocols that require undiluted serum (i.e., VN and N. caninum cELISA). We evaluated the performance of FP samples from reindeer and caribou in these nine assays after simulating potential challenges of high-latitude field collections: 1) different durations of storage and 2) different processing/storage regimes involving freezing or drying. Sample pairs (serum and FP) were collected from reindeer and caribou populations in 2007-10 and were tested in duplicate. Comparable performance to serum was defined as sensitivity and specificity ? 80%. In the storage experiments, FP performance was determined after 2 mo of storage dry at room temperature, and after two longer periods (variable depending on assay; up to 2 yr). After 1 yr, compared to frozen serum stored for the same period, sensitivity was ? 88% for all but two assays (68% BHV-1; 75% PI-3), and specificity remained >90%. A limited trial evaluated the effect of freezing FP samples as opposed to drying them for storage. There were no observed detrimental effects of freezing on FP sample performance, but rigorous investigation is warranted. PMID:24499329

Curry, Patricia S; Ribble, Carl; Sears, William C; Orsel, Karin; Hutchins, Wendy; Godson, Dale; Lindsay, Robbin; Dibernardo, Antonia; Campbell, Mitch; Kutz, Susan J

2014-04-01

432

Evaluating Spruce Peatland Responses Under Climatic and Environmental Change Using a Replicated In Situ Field Manipulation  

NASA Astrophysics Data System (ADS)

Identification of critical environmental response functions for terrestrial organisms, communities, and ecosystems to rapidly changing climate conditions are needed to evaluate ecological consequences and feedbacks. Such research has ‘real-world’ relevance when conclusions are drawn from controlled manipulations operating in natural field settings. We are in the process of developing an experimental platform to address climate change response mechanisms in a Picea/Larix/Sphagnum bog ecosystem located in northern Minnesota. This ecosystem located at the southern extent of the spatially expansive boreal peatland forests is considered to be especially vulnerable to climate change and to have important feedbacks on the atmosphere and climate. The replicated experiment will allow us to test mechanisms controlling vulnerability of organisms and ecosystem processes changes for multiple levels of warming (+0, 3, 6, and 9°C) combined with elevated CO2 exposures (800 to 900 ppm) at selected warming levels. New methods for whole-ecosystem warming at plot scales of 12 to 14 m diameter have been developed for this study and will be described. Through the execution of this experiment we plant to quantify thresholds for organism decline or mortality, limitations to regeneration, biogeochemical limitations to productivity, and changing greenhouse gas emissions to the atmosphere. The experiment will allow for the evaluation of responses across multiple spatial scales including: microbial communities, bryophyte populations, various higher plant types, and some faunal groups. Direct and indirect effects of these experimental perturbations will be tracked and analyzed over a decade for the development and refinement of models needed for full Earth system analyses.

Hanson, P. J.; Kolka, R. K.; Norby, R. J.; Palik, B.; Wullschleger, S. D.; Garten, C. T.; Sebestyen, S. D.; Thornton, P. E.; Bradford, J.; Mulholland, P. J.; Todd, D. E.; Iversen, C.; Warren, J.

2010-12-01

433

Comparative study of field and laboratory tests for the evaluation of aerobic capacity in soccer players.  

PubMed

The purpose of this study was to evaluate the maximal oxygen uptake (Vo(2)max) values in soccer players as assessed by field and laboratory tests. Thirty-five elite young soccer players were studied (mean age 18.1 +/- 1.0 years, training duration 8.3 +/- 1.5 years) in the middle of the playing season. All subjects performed 2 maximal field tests: the Yo-Yo endurance test (T(1)) for the estimation of Vo(2)max according to normogram values, and the Yo-Yo intermittent endurance test (T(2)) using portable telemetric ergospirometry; as well as 2 maximal exercise tests on the treadmill with continuous (T(3)) and intermittent (T(4)) protocols. The estimated Vo(2)max values of the T(1) test (56.33 ml.kg(-1).min(-1)) were 10.5%, 11.4%, and 13.3% (p < or = 0.05) lower than those of the T(2) (62.96 ml.kg(-1).min(-1)), T(3) (63.59 ml.kg(-1).min(-1)) and T(4) (64.98 ml.kg(-1).min(-1)) tests, respectively. Significant differences were also found between the intermittent exercise protocols T(1) and T(3) (p < or = 0.001) and the continuous exercise protocols T(2) and T(4) (p < or = 0.001). There was a high degree of cross correlation between the Vo(2)max values of the 3 ergospirometric tests (T(2) versus T(3), r = 0.47, p < or = 0.005; T(2) versus T(4), r = 0.59, p < or = 0.001; T(3) versus T(4) r = 0.79, p < or = 0.001). It is necessary to use ergospirometry to accurately estimate aerobic capacity in soccer players. Nevertheless, the Yo-Yo field tests should be used by coaches because they are easy and helpful tools in the training program setting and for player follow-up during the playing season. PMID:15707383

Metaxas, Thomas I; Koutlianos, Nikolaos A; Kouidi, Evangelia J; Deligiannis, Asterios P

2005-02-01

434

Evaluating the efficacy of trawl exclusion zones for preserving prey fields of Steller sea lions foraging on Atka mackerel. II. Site specific estimates to evaluate availability of  

E-print Network

fields of Steller sea lions foraging on Atka mackerel. II. Site specific estimates to evaluate availability of Atka mackerel production for sea lion consumption Ivonne Ortiz1,2 and Elizabeth Logerwell1 1 was sufficient to support energetic requirements of Steller sea lions foraging. The sites studied were Seguam

435

Development, testing, and evaluation of MHD materials and component designs. Volume I. Executive summary. Final report, 15 October 1973-31 December 1975  

SciTech Connect

This report comprises seven volumes, one for each of the major tasks, an appendix volume and the executive summary. The tasks on gas electrical properties, coal combustion, and MHD materials were intended to support the Waltz Mill channel experiments. The conductivity apparatus indicated abnormally high values. The experiments were continued in the Waltz Mill facility. Materials testing indicated that stabilized zirconia should be an acceptable electrode material. A new and improved test facility was designed. Cyclone coal combustors were studied and designs developed for a Waltz Mill size unit and a 25,000 lb/h prototype. The Waltz Mill facility performed in a highly satisfactory manner. Six non-generating and 16 load tests were made on three channels. Following a failure of the air heater tests were run essentially on materials and structures; little power was generated. Electrical leakage, interelectrode and to ground, was a persistent problem. Following the last load test on October 25, 1976, the system was dismantled and reconstruction started to enable testing at the proposed CDIF (Component Development Integrated Facility) conditions (part of the national MHD program). A very successful 127-hour run was made on a pair of US designed and constructed MHD electrode modules in the Soviet Union's U-02 facility, completing Phase I of the US/USSR Cooperative program.

Young, W.E.

1980-11-01

436

Prediction of SAMPL3 host-guest binding affinities: evaluating the accuracy of generalized force-fields.  

PubMed

We used the second-generation mining minima method (M2) to compute the binding affinities of the novel host-guest complexes in the SAMPL3 blind prediction challenge. The predictions were in poor agreement with experiment, and we conjectured that much of the error might derive from the force field, CHARMm with Vcharge charges. Repeating the calculations with other generalized force-fields led to no significant improvement, and we observed that the predicted affinities were highly sensitive to the choice of force-field. We therefore embarked on a systematic evaluation of a set of generalized force fields, based upon comparisons with PM6-DH2, a fast yet accurate semi-empirical quantum mechanics method. In particular, we compared gas-phase interaction energies and entropies for the host-guest complexes themselves, as well as for smaller chemical fragments derived from the same molecules. The mean deviations of the force field interaction energies from the quantum results were greater than 3 kcal/mol and 9 kcal/mol, for the fragments and host-guest systems respectively. We further evaluated the accuracy of force-fields for computing the vibrational entropies and found the mean errors to be greater than 4 kcal/mol. Given these errors in energy and entropy, it is not surprising in retrospect that the predicted binding affinities deviated from the experiment by several kcal/mol. These results emphasize the need for improvements in generalized force-fields and also highlight the importance of systematic evaluation of force-field parameters prior to evaluating different free-energy methods. PMID:22274835

Muddana, Hari S; Gilson, Michael K

2012-05-01

437

Palliative care making a difference in rural Uganda, Kenya and Malawi: three rapid evaluation field studies  

PubMed Central

Background Many people live and die in pain in Africa. We set out to describe patient, family and local community perspectives on the impact of three community based palliative care interventions in sub-Saharan Africa. Methods Three palliative care programmes in Uganda, Kenya and Malawi were studied using rapid evaluation field techniques in each country, triangulating data from three sources: interviews with key informants, observations of clinical encounters and the local health and social care context, and routine data from local reports and statistics. Results We interviewed 33 patients with advanced illness, 27 family carers, 36 staff, 25 volunteers, and 29 community leaders and observed clinical care of 12 patients. In each site, oral morphine was being used effectively. Patients valued being treated with dignity and respect. Being supported at home reduced physical, emotional and financial burden of travel to, and care at health facilities. Practical support and instruction in feeding and bathing patients facilitated good deaths at home. In each country mobile phones enabled rapid access to clinical and social support networks. Staff and volunteers generally reported that caring for the dying in the face of poverty was stressful, but also rewarding, with resilience fostered by having effective analgesia, and community support networks. Conclusions Programmes were reported to be successful because they integrated symptom control with practical and emotional care, education, and spiritual care. Holistic palliative care can be delivered effectively in the face of poverty, but a public health approach is needed to ensure equitable provision. PMID:21569423

2011-01-01

438

Laboratory and field evaluation of selective media for isolation of group B streptococci.  

PubMed Central

Problems encountered with currently recommended selective media for group B streptococci (GBS) (selective broth medium and CNA agar) prompted a searach for alternative culture methods in ongoing epidemiological studies. Previously recommended inhibitory agents were tested in vitro. Gentamicin, alone or in combination with nalidixic acid, proved inhibitory for many GBS strains. Among other agents tested, polymyxin was most complementary to the gram-negative spectrum of nalidixic acid, without compromising GBS growth. Crystal violet provided the simplest, most economical staphylococcal inhibitor. Broth and agar media, constituted with these three agents and designated NPC, were evaluated in vitro and in field studies. This investigation represents the first direct comparison of broth media containing inhibitory agents for the preferential isolation of GBS. In maternal colonization studies, NPC broth proved superior to Todd-Hewitt broth containing nalidixic acid and gentamicin at concentrations employed in the previously described selective broth medium (95% versus 59% recovery). Our comparisons were done without added sheep blood since GBS grow well in Todd-Hewitt broth. NPC broth proved more sensitive than NPC agar for detecting GBS colonization in newborns. The NPC agar medium was useful for further purification of broth cultures and quantitative culture techniques. PMID:379037

Gray, B M; Pass, M A; Dillon, H C

1979-01-01

439

Evaluation of the MOZAIC Capacitive Hygrometer during the airborne field study CIRRUS-III  

NASA Astrophysics Data System (ADS)

The MOZAIC Capacitive Hygrometer (MCH) is usually operated onboard of passenger aircraft in the framework of MOZAIC (Measurement of Ozone by AIRBUS In-Service Aircraft). In order to evaluate the performance of the MCH, it was operated aboard a Learjet 35A aircraft as part of the CIRRUS-III field study together with a closed-cell Lyman-? fluorescence hygrometer (FISH) and an open path tunable diode laser system (OJSTER) for water vapour measurement. After reducing the data set to MOZAIC-relevant conditions, the 1Hz relative humidity (RH) cross correlation between MCH and reference instruments FISH (clear sky) and OJSTER (in-cirrus) yielded a remarkably good agreement of R2 = 0.97 and slope m = 0.96 and provided the MCH uncertainty of 5% RH. Probability distribution functions of RH deduced from MCH and reference instruments agreed well over the entire range of observations. The main limitation for the use of MCH data is related to sensor temperatures below the calibration limit of Tsensor = -40 °C (corresponds to ambient temperature of Tambient = -70 °C at typical cruising speed of long-haul passenger aircraft), which causes a delay in the sensor's time response. Good performance of MCH for clear sky as well as for in-cirrus conditions demonstrated the sensor robustness also for operation inside ice clouds.

Neis, P.; Smit, H. G. J.; Krämer, M.; Spelten, N.; Petzold, A.

2014-09-01

440

Multiplex Evaluation of Influenza Neutralizing Antibodies with Potential Applicability to In-Field Serological Studies  

PubMed Central

The increased number of outbreaks of H5 and H7 LPAI and HPAI viruses in poultry has major public and animal health implications. The continuous rapid evolution of these subtypes and the emergence of new variants influence the ability to undertake effective surveillance. Retroviral pseudotypes bearing influenza haemagglutinin (HA) and neuraminidase (NA) envelope glycoproteins represent a flexible platform for sensitive, readily standardized influenza serological assays. We describe a multiplex assay for the study of neutralizing antibodies that are directed against both influenza H5 and H7 HA. This assay permits the measurement of neutralizing antibody responses against two antigenically distinct HAs in the same serum/plasma sample thus increasing the amount and quality of serological data that can be acquired from valuable sera. Sera obtained from chickens vaccinated with a monovalent H5N2 vaccine, chickens vaccinated with a bivalent H7N1/H5N9 vaccine, or turkeys naturally infected with an H7N3 virus were evaluated in this assay and the results correlated strongly with data obtained by HI assay. We show that pseudotypes are highly stable under basic cold-chain storage conditions and following multiple rounds of freeze-thaw. We propose that this robust assay may have practical utility for in-field serosurveillance and vaccine studies in resource-limited regions worldwide. PMID:25101305

Terregino, Calogero; Rahman, Rafat; Cattoli, Giovanni

2014-01-01

441

Evaluation of the reconstruction algorithms for a phase-stepped full-field optical coherence tomography  

NASA Astrophysics Data System (ADS)

We report on the implementation of a phase-stepped full-field Optical Coherence Tomography which is realized with a superluminescent diode for illuminating the sample, voice coil and piezo-electric translators for controlling the optical path length of the reference channel, and a scientific-grade CCD array for recording 2-D sample interferograms. Evaluation results of several amplitude reconstruction algorithms for this phase-stepped OCT is presented, including 3-, 4-, and 5-step as well as a derived amplitude-based version of the Carre method, a 4-step algorithm that requires equal but arbitrary step sizes that need not be known. Using a planar mirror as the sample and different phase stepping protocols, sensitivity for the four reconstruction algorithms were measured at 85, 87, 95, and 90dB, respectively. Reconstruction results of in vitro bovine retina and a piece of plastic tape show that the performance of the system depends on whether the full dynamic range of the CCD camera is utilized.

Qu, Junle; Ding, Zhihua; Xu, Gaixia; Lin, Ziyang; Niu, Hanben

2006-01-01

442

Field evaluation of some bait additives against Indian crested porcupine (Hystrix indica) (Rodentia: Hystricidae).  

PubMed

This research study evaluated the effect of different additives on the bait consumption by Indian crested porcupine, a serious forest and agricultural pest, under field conditions. Different additives (saccharin, common salt, bone meal, fish meal, peanut butter, egg yolk, egg shell powder, yeast powder, mineral oil and coconut oil) at 2 and 5% each were tested for their relative preference, using groundnut-maize (1:1) as basic bait. All the additives were tested under a no-choice test pattern. For control tests, no additive was mixed with the basic bait. Saccharin at 5% concentration significantly enhanced the consumption of bait over the basic bait, while 2% saccharin supplemented bait resulted in a non-significant bait consumption. All other additives did not enhance the consumption of the bait material; rather, these worked as repellents. However, the repellency was lowest with the common salt, followed by egg yolk, egg shell powder, bone meal, peanut butter, mineral oil, fish meal and yeast powder, while coconut remained the most repellent compound. The present study suggested that groundnut-maize (1:1) supplemented with 5% saccharin was the preferred bait combination, and can be used with different rodenticides for the management of Indian crested porcupine. PMID:24020467

Mushtaq, Muhammad; Hussain, Iftikhar; Mian, Afsar; Munir, Shahid; Ahmed, Irfan; Khan, Abdul Aziz

2013-09-01

443

Evaluation of soft-core processors on a Xilinx Virtex-5 field programmable gate array.  

SciTech Connect

Node-based architecture (NBA) designs for future satellite projects hold the promise of decreasing system development time and costs, size, weight, and power and positioning the laboratory to address other emerging mission opportunities quickly. Reconfigurable field programmable gate array (FPGA)-based modules will comprise the core of several of the NBA nodes. Microprocessing capabilities will be necessary with varying degrees of mission-specific performance requirements on these nodes. To enable the flexibility of these reconfigurable nodes, it is advantageous to incorporate the microprocessor into the FPGA itself, either as a hard-core processor built into the FPGA or as a soft-core processor built out of FPGA elements. This document describes the evaluation of three reconfigurable FPGA-based soft-core processors for use in future NBA systems: the MicroBlaze (uB), the open-source Leon3, and the licensed Leon3. Two standard performance benchmark applications were developed for each processor. The first, Dhrystone, is a fixed-point operation metric. The second, Whetstone, is a floating-point operation metric. Several trials were run at varying code locations, loop counts, processor speeds, and cache configurations. FPGA resource utilization was recorded for each configuration.

Learn, Mark Walter

2011-04-01

444

Advanced fusion concepts: project summaries  

SciTech Connect

This report contains descriptions of the activities of all the projects supported by the Advanced Fusion Concepts Branch of the Office of Fusion Energy, US Department of Energy. These descriptions are project summaries of each of the individual projects, and contain the following: title, principle investigators, funding levels, purpose, approach, progress, plans, milestones, graduate students, graduates, other professional staff, and recent publications. Information is given for each of the following programs: (1) reverse-field pinch, (2) compact toroid, (3) alternate fuel/multipoles, (4) stellarator/torsatron, (5) linear magnetic fusion, (6) liners, and (7) Tormac. (MOW)

None

1980-12-01

445

Integrated field and laboratory tests to evaluate effects of metals-impacted wetlands on amphibians: A case study from Montana  

USGS Publications Warehouse

Mining activities frequently impact wildlife habitats, and a wide range of habitats may require evaluations of the linkages between wildlife and environmental stressors common to mining activities (e.g., physical alteration of habitat, releases of chemicals such as metals and other inorganic constituents as part of the mining operation). Wetlands, for example, are frequently impacted by mining activities. Within an ecological assessment for a wetland, toxicity evaluations for representative species may be advantageous to the site evaluation, since these species could be exposed to complex chemical mixtures potentially released from the site. Amphibian species common to these transition zones between terrestrial and aquatic habitats are one key biological indicator of exposure, and integrated approaches which involve both field and laboratory methods focused on amphibians are critical to the assessment process. The laboratory and field evaluations of a wetland in western Montana illustrates the integrated approach to risk assessment and causal analysis. Here, amphibians were used to evaluate the potential toxicity associated with heavy metal-laden sediments deposited in a reservoir. Field and laboratory methods were applied to a toxicity assessment for metals characteristic of mine tailings to reduce potential "lab to field" extrapolation errors and provide adaptive management programs with critical site-specific information targeted on remediation.

Linder, G.

2003-01-01

446

Evaluation of potential severe accidents during low power and shutdown operations at Grand Gulf, Unit 1: Summary of results. Volume 1  

SciTech Connect

During 1989 the Nuclear Regulatory Commission (NRC) initiated an extensive program to examine the potential risks during low power and shutdown operations. Two plants, Surry and Grand Gulf, were selected as the plants to be studied by Brookhaven National Laboratory (Surry) and Sandia National Laboratories (Grand Gulf). This report documents the work performed during the analysis of the Grand Gulf plant. A phased approach was used for the overall study. In Phase 1, the objectives were to identify potential vulnerable plant configurations, to characterize (on a high, medium, or low basis) the potential core damage accident scenario frequencies and risks, and to provide a foundation for a detailed Phase 2 analysis. It was in Phase 1 that the concept of plant operational states (POSs) was developed to allow the analysts to better represent the plant as it transitions from power operation to nonpower operation than was possible with the traditional technical specification divisions of modes of operation. This phase consisted of a coarse screening analysis performed for all POSs, including seismic and internal fire and flood for some POSs. In Phase 2, POS 5 (approximately cold shutdown as defined by Grand Gulf Technical Specifications) during a refueling outage was selected as the plant configuration to be analyzed based on the results of the Phase 1 study. The scope of the Level 1 study includes plant damage state analysis and uncertainty analysis and is documented in a multi-volume NUREG/CR report (i.e., NUREG/CR-6143). The internal events analysis is documented in Volume 2. Internal fire and internal flood analyses are documented in Volumes 3 and 4, respectively. A separate study on seismic analysis, documented in Volume 5, was performed for the NRC by Future Resources Associates, Inc. The Level 2/3 study of the traditional internal events is documented in Volume 6, and a summary of the results for all analyses is documented in Volume 1.

Whitehead, D.W. [ed.; Staple, B.D.; Daniel, S.L. [and others

1995-07-01

447

Evaluation of the Alkaline Waterflooding Demonstration Project, Ranger Zone, Wilmington Field, California.  

National Technical Information Service (NTIS)

An alkaline flood enhanced oil recovery project was conducted in the Ranger Zone of the Wilmington Field in California, the largest field in the state. Contained within a large anticlinal structure which lies partially offshore along the southern Californ...

D. L. Dauben, R. A. Easterly, M. M. Western

1987-01-01

448

............................................Summary 1 Introduction .......................................... 3  

E-print Network

questionnaires to survey the attitudes and characteristics of campers who had come into contact the Station staff in 1957. #12;SUMMARY Magill, Arthur W. 1976. Campsite reservation systems ... the camper

Standiford, Richard B.

449

Summary and conclusions  

NASA Technical Reports Server (NTRS)

A summary is presented of the engineering and scientific results derived from the investigations conducted on the returned Surveyor 3 hardware, lunar soil, and photographs taken by the Apollo 12 astronauts.

Nickle, N. L.; Carroll, W. F.

1972-01-01

450

Salmonella: Annual Summary, 2005.  

National Technical Information Service (NTIS)

This Annual Summary of the National Salmonella Surveillance System contains surveillance data on reported laboratory-confirmed Salmonella isolates in the United States for the year 2005. The National Salmonella Surveillance System collects reports of isol...

2005-01-01

451

Nebraska Videodisc Science Laboratory Simulations. Executive Summary (and) Science Lab Videodiscs: Evaluation Report. A Report from the Annenberg/CPB Project.  

ERIC Educational Resources Information Center

To explore the potential of computer controlled videodiscs for simulating undergraduate science laboratory instruction, the Annenberg/CPB (Corporation for Public Broadcasting) Project funded the University of Nebraska to create and field test six videodisc laboratory experiments, two each in biology, chemistry, and physics. The six discs were…

Davis, Barbara Gross

452

EVALUATION OF HARVEST AIDS ON HAILED-ON COTTON  

E-print Network

YEAR: 1999 EVALUATION OF HARVEST AIDS ON HAILED-ON COTTON COOPERATOR Hal Curry COORDINATORS Kerry Siders, Extension Agent-IPM, Hockley and Cochran Counties Hockley County SUMMARY: Cotton can receive hail. OBJECTIVE: To evaluate cotton harvest aid products on damaged cotton. MATERIALS AND METHODS: Field plots

Mukhtar, Saqib

453

Site environmental report summary  

SciTech Connect

In this summary of the Fernald 1992 Site Environmental Report the authors will describe the impact of the Fernald site on man and the environment and provide results from the ongoing Environmental Monitoring Program. Also included is a summary of the data obtained from sampling conducted to determine if the site complies with DOE, US Environmental Protection Agency (USEPA), and Ohio EPA (OEPA) requirements. These requirements are set to protect both man and the environment.

Not Available

1992-12-31

454

Evaluation of parameters for particles acceleration by the zero-point field of quantum electrodynamics  

Microsoft Academic Search

That particles may be accelerated by vacuum effects in quantum field theory has been repeatedly proposed in the last few years. A natural upshot of this is a mechanism for cosmic rays (CR) primaries acceleration. A mechanism for acceleration by the zero-point field (ZPE) when the ZPE is taken in a realistic sense (in opposition to a virtual field) was

A. Rueda

1985-01-01

455

Validation of national genetic evaluations for maternal beef cattle traits using Irish field data.  

PubMed

Genetic evaluations provide information to aid in breeding decisions that increase long-term performance of animals and herds. However, to date no study has been undertaken to investigate the accuracy of the Irish maternal genetic evaluations in beef cattle. The objective, therefore, of this study was to quantify the relationship between phenotypic performance and measures of genetic merit for predominantly maternal-related traits in Irish beef cattle. The association between animal EBV for calving interval, age at first calving, and both direct and maternal weaning weight with the respective phenotypic performance was quantified using a fixed effects model; the expectation for the regression coefficient of phenotypic performance on EBV was one. The association between genetic merit for cow survival, perinatal mortality, calving assistance, and calving dystocia with the log of the odds of the respective trait was quantified using logistic regression. The association analyses were conducted using field data on up to 38,619 records from 5,236 herds. Age at first calving increased linearly by 0.32 ± 0.15 (P = 0.03) days per day increase in EBV for age at first calving. Calving interval increased by, on average, 0.58 ± 0.16 (P = 0.002) days per day increase in EBV for calving interval although the association differed by parity with a greater association in pluriparae. Weaning weight increased linearly by 1.74 ± 0.09 and 0.84 ± 0.16 kg (P < 0.001) per kilogram increase in EBV for direct and maternal weaning weight, respectively. The log of the odds of a cow surviving to next lactation increased linearly by 0.16 ± 0.03 (P < 0.001) per unit increase in EBV for cow survival. The log of the odds of an assisted calving or dystocia both increased linearly by 0.21 ± 0.01 and 0.24 ± 0.01, respectively, per unit increase in EBV for direct calving difficulty (P < 0.001). The log of the odds of a dead calf at birth increased linearly by 0.93 ± 0.13 (P < 0.001) per unit increase in EBV for calf mortality. Results from this study show that selection of breeding animals for favorable maternal genetic attributes will result in favorable improvements in performance and profitability. PMID:24663204

McHugh, N; Cromie, A R; Evans, R D; Berry, D P

2014-04-01

456

Infrared thermoimage analysis as real time technique to evaluate in-field pesticide spraying quality distribution  

NASA Astrophysics Data System (ADS)

Tests and calibration of sprayers have been considered a very important task for chemicals use reduction in agriculture and for improvement of plant phytosanitary protection. A reliable, affordable and easy-to-use method to observe the distribution in the field is required and the infrared thermoimage analysis can be considered as a potential method based on non-contact imaging technologies. The basic idea is that the application of colder water (10 °C less) than the leaves surface makes it possible to distinguish and measure the targeted areas by means of a infrared thermoimage analysis based on significant and time persistent thermal differences. Trials were carried out on a hedge of Prunus laurocerasus, 2.1 m height with an homogenous canopy. A trailed orchard sprayer was employed with different spraying configurations. A FLIR TM (S40) thermocamera was used to acquire (@ 50 Hz) thermal videos, in a fixed position, at frame rate of 10 images/s, for nearly 3 min. Distribution quality was compared to the temperature differences obtained from the thermal images between pre-treatment and post-treatment (?T)., according two analysis: time-trend of ?T average values for different hedge heights and imaging ?T distribution and area coverage by segmentation in k means clustering after 30 s of spraying. The chosen spraying configuration presented a quite good distribution for the entire hedge height with the exclusion of the lower (0-1 m from the ground) and the upper part (>1.9 m). Through the image segmentation performed of ?T image by k-means clustering, it was possible to have a more detailed and visual appreciation of the distribution quality among the entire hedge. The thermoimage analysis revealed interesting potentiality to evaluate quality distributio