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Office of Scientific & Technical Information Technical Reports
131
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114
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4
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285 Matching Results
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Thermal Regimes of Major Volcanic Centers: Magnetotelluric Constraints
The interpretation of geophysical/electromagnetic field data has been used to study dynamical processes in the crust beneath three of the major tectono-volcanic features in North America: the Long Valley/Mono Craters Volcanic Complex in eastern California, the Cascades Volcanic Belt in Oregon, and the Rio Grande Rift in the area of Socorro, New Mexico. Primary accomplishments have been in the area of creating and implementing a variety of 2-D generalized inverse computer codes, and the application of these codes to fields studies on the basin structures and he deep thermal regimes of the above areas. In order to more fully explore the space of allowable models (i.e. those inverse solutions that fit the data equally well), several distinctly different approaches to the 2-D inverse problem have been developed: (1) an overdetermined block inversion; (2) an overdetermined spline inverstion; (3) a generalized underdetermined total inverse which allows one to tradeoff certain attributes of their model, such as minimum structure (flat models), roughness (smooth models), or length (small models). Moreover, we are exploring various approaches for evaluating the resolution model parameters for the above algorithms. 33 refs.
Date:
October 2, 1989
Creator:
Hermance, J. F.
System:
The UNT Digital Library
International petroleum statistics report, September 1991
The International Petroleum Statistics Report is a monthly publication that provides current international oil data. This report is published for the use of members of Congress, federal agencies, state agencies, industry, and the general public. Publication of this report is in keeping with responsibilities given the Energy Information Administration in Public Law 95-91 (Section 205(a)(2)). The International Petroleum Statistics Report presents data on international oil production, consumption, imports, exports, and stocks. The report has three sections. Section 1 contains time series on world oil production, and on oil consumption and stocks in the Organization for Economic Cooperation and Development (DECD). This section contains annual data beginning in 1973, and monthly data for the most recent two years. Section 2 presents an oil supply/consumption balance for the market economies (i.e. non-communist countries). This balance is presented in quarterly intervals for the most recent two years. Section 3 presents data on oil imports by DECD countries. This section contains annual data beginning in 1982, and quarterly data for the most recent two years. 41 tabs.
Date:
October 2, 1991
Creator:
unknown
System:
The UNT Digital Library
The Peace Corps: Current Issues
Report regarding the President's annual funding request for the Peace Corps, efforts to reauthorize the Peace Corps, and related issues. Current issues include the extent to which there is available funding for Peace Corps expansion, whether the Peace Corps has the institutional capacity to expand, and whether volunteers are able to function in a safe and secure environment.
Date:
October 2, 2012
Creator:
Tarnoff, Curt
System:
The UNT Digital Library
Automatic Continuing Resolutions: Background and Overview of Recent Proposals
This report begins by providing background on the historic frequency of federal funding gaps. Next, four major features of automatic continuing resolution(ACR) proposals since the 1980s -- time frame, funding level, activities, and duration -- are explained. This is followed by a summary of the major arguments for and against the enactment of an ACR. Finally, the last three sections of the report review congressional action that has taken place on ACR proposals, describe ACR proposals that have been introduced but not enacted during the 112th and 113th Congresses, and provide brief analysis of H.R. 3210.
Date:
October 2, 2013
Creator:
Tollestrup, Jessica
System:
The UNT Digital Library
Foreign Assistance: U.S. Russia Fund Is Following Its Investment Selection Process and Criteria
A letter report issued by the General Accounting Office with an abstract that begins "This report summarizes GAO's findings on the United States Russia Fund and its investment selection process and criteria. The United States established enterprise funds to support private sector development in Central and Eastern Europe and the former Soviet Union as they move from centrally planned to market-oriented economies. Enterprise funds are private, nonprofit U.S. corporations that are supposed to make loans to, or invest in, small, medium, and large businesses in which other financial institutions are reluctant to invest. The Fund is authorized to receive $440 million through the Agency for International Development. As of March 2000, the Fund had invested $114.4 million in 30 projects through its direct investment program which provides loans and equity capital to businesses in Russia. GAO found that the Fund followed its review process and criteria for selecting direct investments."
Date:
October 2, 2000
Creator:
United States. General Accounting Office.
System:
The UNT Digital Library
Foreign Assistance: USAID Compliance With Family Planning Restrictions
A letter report issued by the General Accounting Office with an abstract that begins "The United States has provided international family planning assistance through the Agency for International Development (AID) since the mid-1960s. U.S. law prohibits the use of international family planning funds for abortions and requires that all family planning programs supported by AID be voluntary. This report discusses: (1) how much family planning assistance AID provided in fiscal years 1996-1999 and plans to provide in fiscal year 2000, and (2) what procedures have been established to ensure that funds are not being used for prohibited activities. GAO found that AID provided $432 million in assistance in fiscal year 1996 and $385 million in each of fiscal years 1997-1999. AID has established multiple procedures to ensure that family planning funds are not used for prohibited activities, including specifying the restrictions in grants, contracts, and cooperative agreements."
Date:
October 2, 2000
Creator:
United States. General Accounting Office.
System:
The UNT Digital Library
Synthesis of a naphthalene-hydroxynaphthalene polymer model compound
The objective of this project was the synthesis of one pound of a new naphthalene-hydroxynaphthalene polymer model compound for use in coal combustion studies. Since this compound was an unreported compound, this effort also required the development of a synthetic route to this compound (including routes to the unique and unreported intermediates leading to its synthesis).
Date:
October 2, 1991
Creator:
unknown
System:
The UNT Digital Library
Prototype solar heating and combined heating and cooling systems. Quarterly report No. 9
Eight prototype solar heating and combined heating and cooling systems are under development. This effort includes development, manufacture, test, installation, maintenance, problem resolution, and performance evaluation.
Date:
October 2, 1978
Creator:
unknown
System:
The UNT Digital Library
Affordable Care Act (ACA) and the Appropriations Process: FAQs Regarding Potential Legislative Changes and Effects of a Government Shutdown
This report provides background information on the Affordable Care Act (ACA). It discusses the ACA and the annual appropriations process and the potential impact of a shutdown on ACA implementation.
Date:
October 2, 2013
Creator:
Redhead, C. S.; Tollestrup, Jessica; Liu, Edward C. & Brass, Clinton T.
System:
The UNT Digital Library
The Temporary Assistance for Needy Families (TANF) Block Grant: Responses to Frequently Asked Questions
This report provides responses to frequently asked questions about the Temporary Assistance for Needy Families (TANF) block grant.
Date:
October 2, 2013
Creator:
Falk, Gene
System:
The UNT Digital Library
2003 Brookhaven National Laboratory Annual Illness and Injury Surveillance Report, Revised September 2007
Annual Illness and Injury Surveillance Program report for 2003 for Brookhaven National Lab. The U.S. Department of Energy’s (DOE) commitment to assuring the health and safety of its workers includes the conduct of epidemiologic surveillance activities that provide an early warning system for health problems among workers. The IISP monitors illnesses and health conditions that result in an absence of workdays, occupational injuries and illnesses, and disabilities and deaths among current workers.
Date:
October 2, 2007
Creator:
United States. Department of Energy. Office of Illness and Injury Prevention Programs.
System:
The UNT Digital Library
Effect of Background Emissivity on Gas Detection in Thermal Hyperspectral Imagery
Detecting and identifying weak gaseous plumes using thermal imaging data is complicated by many factors. These include variability due to atmosphere, ground and plume temper- ature, and background clutter. This paper presents an analysis of one formulation of the physics-based radiance model, which describes at-sensor observed radiance. The background emissivity and plume/ground temperatures are isolated, and their effects on net chemical signal are described. This analysis shows that the plume’s physical state, emission or absorption, is directly dependent on the background emissivity. It then describes what conditions on the background emissivity have inhibiting effects on the net chemical signal. These claims are illustrated by analyzing synthetic hyperspectral imaging data with the Adaptive Matched Filter using four chemicals and three distinct background emissivities. Two chemicals (Carbontetrachloride and Tetraflourosilane) in the analysis had a very strong relationship with the background emissivities: they exhibited absorbance over a small range of wavenumbers and the background emissivities showed a consistent ordering at these wavenumbers. Analysis of simulated hyperspectral images containing these chemicals showed complete agreement with the analysis of the physics-based model that described when the background emissivities would have inhibiting effects on gas detection. The other chemicals considered (Ammonia and Tributylphosphate) exhibited very complex …
Date:
October 2, 2008
Creator:
Walsh, Stephen J.; Tardiff, Mark F.; Chilton, Lawrence K. & Metoyer, Candace N.
System:
The UNT Digital Library
Cleanup Verification Package for the 118-F-6 Burial Ground
This cleanup verification package documents completion of remedial action for the 118-F-6 Burial Ground located in the 100-FR-2 Operable Unit of the 100-F Area on the Hanford Site. The trenches received waste from the 100-F Experimental Animal Farm, including animal manure, animal carcasses, laboratory waste, plastic, cardboard, metal, and concrete debris as well as a railroad tank car.
Date:
October 2, 2008
Creator:
Sulloway, H. M.
System:
The UNT Digital Library
Level-2 Milestone 2351: Terascale Simulation Facility Upgrade
This report documents the LLNL TSF upgrade ASC L2 milestone 2351: Terascale Simulation Facility upgrade, due Sept. 30, 2007. The full text of the milestone is included in Attachment 1. The stated goal of the milestone was: 'Complete a 3-MW expansion of electrical power for computing systems in the east computer room of the Terascale Simulation Facility (TSF) and complete the final connection of all air handlers that were delivered as part of the TSF line item'. In this report we detail the upgrade and cover the results of the process to accept the system by testing, adjusting, balancing and finally start-up of the system in accordance with the detailed project commissioning plan to be developed by the system engineers during the design phase of the project. The quarterly reports for the upgrade and the text of the project commissioning plan are included at the end of this document as Attachments 2 and 3.
Date:
October 2, 2007
Creator:
Bailey, A M
System:
The UNT Digital Library
Metrology Measurement Capabilities
This document contains descriptions of Federal Manufacturing & Technologies (FM&T) Metrology capabilities, traceability flow charts, and the measurement uncertainty of each measurement capability. Metrology provides NIST traceable precision measurements or equipment calibration for a wide variety of parameters, ranges, and state-of-the-art uncertainties. Metrology laboratories conform to the requirements of the Department of Energy Development and Production Manual Chapter 13.2, ANSI/ISO/IEC ANSI/ISO/IEC 17025:2005, and ANSI/NCSL Z540-1. FM&T Metrology laboratories are accredited by NVLAP for the parameters, ranges, and uncertainties listed in the specific scope of accreditation under NVLAP Lab code 200108-0. See the Internet at http://ts.nist.gov/Standards/scopes/2001080.pdf. These parameters are summarized. The Honeywell Federal Manufacturing & Technologies (FM&T) Metrology Department has developed measurement technology and calibration capability in four major fields of measurement: (1) Mechanical; (2) Environmental, Gas, Liquid; (3) Electrical (DC, AC, RF/Microwave); and (4) Optical and Radiation. Metrology Engineering provides the expertise to develop measurement capabilities for virtually any type of measurement in the fields listed above. A strong audit function has been developed to provide a means to evaluate the calibration programs of our suppliers and internal calibration organizations. Evaluation includes measurement audits and technical surveys.
Date:
October 2, 2007
Creator:
Gronniger, Dr. Glen E.
System:
The UNT Digital Library
Is Increased Low-dose somatic Radiosensitivity Associated with Increased Transgenerational Germline Mutation
Using single-molecule polymerase chain reaction, the frequency of spontaneous and radiation-induced mutation at an expanded simple tandem repeat (ESTR) locus was studied in DNA samples extracted from sperm and bone marrow of Atm knockout (Atm+/–) heterozygous male mice. The frequency of spontaneous mutation in sperm and bone marrow in Atm+/– males did not significantly differ from that in wild-type BALB/c mice. Acute gamma-ray exposure did not affect ESTR mutation frequency in bone marrow and resulted in similar increases in sperm samples taken from Atm+/– and BALB/c males. Taken together, these results suggest that the Atm haploinsufficiency analyzed in our study does not affect spontaneous and radiation-induced ESTR mutation frequency in mice.
Date:
October 2, 2008
Creator:
Brenner, David J.
System:
The UNT Digital Library
Development of An On-Line, Core Power Distribution Monitoring System
The objective of the proposed work was to develop a software package that can construct in three-dimensional core power distributions using the signals from constant temperature power sensors distributed in the reactor core. The software developed uses a mode-based state/parameter estmation technique that is particularly attractive when there are model uncertainties and/or large signal noise. The software yields the expected value of local power at the detector locations and points in between, as well as the probability distribution of the local power density
Date:
October 2, 2007
Creator:
ALdemir, Tunc; Miller, Don & Wang, Peng
System:
The UNT Digital Library
BIO-ORGANIC CHEMISTRY QUARTERLY REPORT. June through August1963
This report covers the following titles: (1) The Effects of 8-Methyl Lipoic Acid on the Evolution of Oxygen and Reduction of Carbon Dioxide during Photosynthesis; (2) Further {sup 14}C and {sup 15}N Tracer Studies of Amino Acid Synthesis during Photosynthesis by Chlorella Pyrenoidosa; (3) Two-Dimensional High Voltage, Low-Temperature Paper Electrophoresis of {sup 14}C-Labeled Products of Photosynthesis with {sup 14}CO{sub 2}; (4) A Search for Enzymic and Nonenzymic Reactions Between Thiamine Derivatives and Sugar Phosphates; (5) The Cytochrome Content of Purified Spinach Chloroplast Lamellae; (6) The Osmium Tetroxide Fixation of Chloroplast Lamellae; (7) Kinetics of Exoenzymes and Applications to the Determination of the Sequence of Nucleic Acids; (8) Brain Biochemistry and Behavior in Rats; (9) Experiments on Classical Conditioning and Light Habituation in Planarians; (10) Operant Conditioning in Planarians; (11) Manganese Porphyrin Complexes; (12) EPR Studies of Some Complex Organic Solutions; (13) Transient Response of Light-induced Photosynthetic Electron Paramagnetic Resonance Signals: Rhodospirillum rubrum Chromatophores; (14) Studies of the Tautomerism of Amides; (15) Structure and Mechanism of Hydrolysis of the Product of Reaction of PZ05 and Ethyl Ether; (16) A Study of the Irradiation Products of Several Nitrones; (17) Biosynthesis of the Opium Alkaloids; (18) Synthesis of methyl-{beta}-D-thiogalactoside-{sup 35}S; (19) Effect of …
Date:
October 2, 1963
Creator:
unknown
System:
The UNT Digital Library
ONT High Gain Initiative WRAP (Wide Area Rapid Acoustic Prediction) computational performance section
LLNL received a contract during March 1990 to perform three tasks for ONT. This letter report covers Task I which concerned a supercomputing effort in a program termed the High Gain Initiative, which is an anti-submarine (ASW) project that requires substantial computational and signal processing expertise. The core of the computational aspects at the present time is a code called WRAP (Wide Area Rapid Acoustic Prediction). LLNL's objective was to study the WRAP model and determine the feasibility and limits of its optimization. At the present time, the WRAP code runs on a single processor VAX computer.
Date:
October 2, 1990
Creator:
McGraw, J. R.; Hedstrom, G. & De Groot, T.
System:
The UNT Digital Library
Extreme ultraviolet and soft x-ray diagnostics of high-temperature plasmas
This report describes recent progress and plans for calendar year 1987 in the Johns Hopkins University program to develop and improve spectroscopic diagnostics for the high temperature plasmas used in magnetic fusion research. An EUV spectrograph which provides time resolved spectra along fifteen chords of a plasma device has been completed and evaluation on DIII-D will began in late 1986. Other instrumentation work includes the evaluation of a sensitive detector for ion temperature/velocity distribution determinations and a feasibility study of Zeeman polarimetry for determining magnetic fields. A comprehensive data set taken on the TEXT tokamak is undergoing analysis as a means of improving the ionic parameters used in diagnostic studies and to expand the capabilities of existing instruments. Potential new advanced in spectroscopic technology are being monitored to determine if they provide advantages for fusion research.
Date:
October 2, 1986
Creator:
Moos, W.
System:
The UNT Digital Library
Potential solver for sloshing-ion thermal barriers
The quasineutrality equations at points (a) and (b) in a sloshing-ion thermal barrier are derived and an algorithm for their solution is given. The solution technique is sufficiently reliable and efficient to be used in a fluid code where it must be invoked at each time step. Circumstances under which the equations admit multiple solutions are noted and discussed.
Date:
October 2, 1981
Creator:
Boghosian, B. M.; Campbell, R. B. & Gilmore, J. M.
System:
The UNT Digital Library
Lawrence Livermore Laboratory Geothermal Energy Program. A Status Report on the Development of the Total-Flow Concept
The technology development activities of the Geothermal Energy Program at the Lawrence Livermore Laboratory are summarized. Significant progress toward development of the Total-Flow concept was made during FY 1978. The results show that the original goal of 70% engine efficiency for the Total-Flow impulse turbine is achievable, that a Total-Flow system is competitive economically with conventional systems, and that the Total-Flow concept offers the benefit of more efficient utilization of geothermal resources for electric power production. The evaluation of several liquid expanders designed for low-temperature (including geopressured) resources suggests that if development were continued, these expanders could be used in combination with conventional systems to increase overall system efficiency. Although the program was terminated before complete field testing of prototype systems could be carried out, the concepts have been adopted in other countries (Japan and Mexico), where development is continuing.
Date:
October 2, 1978
Creator:
Austin, A. L. & Lundberg, A. W.
System:
The UNT Digital Library
Reaction and diffusion in turbulent combustion
The primary objective of the research is to use Direct Numerical Simulations (DNS) to study turbulent non-premixed combustion. In DNS, the fluid mechanical and thermochemical conservation equations are solved by an accurate numerical method, without any averaging or turbulence modeling. In principle, then, DNS could be used to study a turbulent diffusion flame, for example. In practice, however, computational limitations severely restrict the flows that can be simulated. For non-reacting flows, DNS is restricted to simple geometries and moderate Reynolds number. For reacting flows there are severe restrictions on the thermochemistry. Our approach is to use DNS to study very simple turbulent reactive flows, that contain qualitatively the same phenomena real flames. Based on the insights and information gained, statistical models will be developed and tested. These models are then applicable to the turbulent flames of practical importance.
Date:
October 2, 1991
Creator:
Pope, S. B.
System:
The UNT Digital Library
State of work on the AMBAL experiment
A diagram of the AMBAL tandem mirror experiment is given. The main topics discussed are the vapor jet, titanium vaporizer, plasma gun, startup injectors, main injectors, diagnostics, and numerical modeling. (MOW)
Date:
October 2, 1981
Creator:
Hamilton, G.W.
System:
The UNT Digital Library