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Office of Scientific & Technical Information Technical Reports
3,284
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449
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95
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60
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34
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3
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2
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1
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1
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288
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249
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51
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50
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43
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39
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31
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23
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21
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3,913 - 3,931 of
3,931
Carbon dioxide exchange and growth of a pine plantation
The exchange of materials between the atmosphere and terrestrial ecosystem is important to an understanding of the cycling of essential elements, the deposition of mateials from the atmosphere and the entrance of pollutants into the forest ecosystems. This paper reports the results of measurements of carbon dioxide exchange in a vigorously growing pine plantation. Measurement data were incorporated into a model used to estimate annual carbon dioxide exchange and measured annual biomass accumulation in the same plantation were used to determine a carbon dioxide to biomass conversion efficiency. Carbon dioxide exchange was 10.5 metric tons per hectare and biomass accumulation was 4.5 metric tons per hectare. The conversion efficiency of cabon dioxide to biomass is about 25% less than the theoretical chemical conversion efficiency. 27 refs., 8 figs.
Date:
January 1, 1981
Creator:
Murphy, C. E. Jr.
System:
The UNT Digital Library
Tandem mirror reactor studies at Lawrence Livermore National Laboratory, FY 1980
The principles of tandem mirror operation with thermal barriers will be demonstrated in the upgrade of the Tandem Mirror Experiment (TMX-U) in 1981 and the tandem configuration of the Mirror Fusion Test Facility (MFTF-B) in 1984. Continued analysis and conceptual design over this period will evolve the optimal configuration and parameters for a power-producing reactor. In this article we describe the progress we have made in this reactor design study effort during 1980.
Date:
March 20, 1981
Creator:
Carlson, G. A. & Neef, W. S., Jr.
System:
The UNT Digital Library
KrF laser fusion: perform optical systems study of direct short pulse extraction. Final technical report, 26 June 1978-14 March 1981
KrF is a prime candidate for a laser inertial confinement fusion (ICF) driver, however, there are still scaling issues to be addressed. The purpose of this program is to determine KrF performance in a regime of ICF interest both experimentally and analytically. Using a master oscillator-power amplifier (MOPA) configuration, 100J has been obtained from a five liter optical volume KrF amplifier pumped at 300 KW/cm/sup 3/ peak at the end of a 500 nsec pulse. A normalized input flux of 0.4 was required to reduce amplified spontaneous emission (ASE) to one half the free running value. A peak extraction efficiency of 0.46 was obtained under these conditions at 1 atm total pressure. The TRW kinetics model has been refined to give excellent agreement with high and low pump regimes. An integrated kinetics and pulse propagation code has also been developed and agrees well with experiment.
Date:
March 1, 1981
Creator:
Bradford, Jr, R S; Betts, J. A.; Aprahamian, R. & Livingston, P. M.
System:
The UNT Digital Library
Evaluation of alternative review plans for the Department of Energy safety analysis and review system
This technical report presents A.F. Meyer and Associates, Inc.'s evaluation of alternative means of providing the independent safety analysis reviews required under DOE 5481.1. The relative merits of the following entities performing the reviews are discussed: DOE Headquarters Staff; DOE Operations Offices; DOE Energy Technology Centers; Contractors/Consultants; and Organizational Combinations. This report is intended to provide a basis for a policy decision to be made by DOE officials. Thus, although the pros and cons of each alternative are delineated herein, no recommended course of action is specified.
Date:
February 1, 1981
Creator:
Browne, E. T. & Meyer, A. F., Jr.
System:
The UNT Digital Library
Audit and appraisal plan for occupational safety and health program. Phase I
This report summarizes the work in support of the ASFE occupational safety and health program: the study has (1) investigated alternative schemes for prioritizing industry cost share plants and facilities for site visits; (2) examined alternative mechanisms for these overviews and appraisals; and (3) developed cost data for the several alternatives. In effect, this has been as paper study in lieu of on-site evaluations.
Date:
March 1, 1981
Creator:
Meyer, A. F., Jr.
System:
The UNT Digital Library
Occupational safety and health training program at ETCs. Interim status report
Preliminary studies reveal that serious deficiencies exist in occupational safety and health training programs within DOE's fossil fuel programs. The basic requirements of Executive Order 12196, 29 CFR 1960 (both earlier and current versions) and Chapter III, ASFE 5480.1 are not being addressed in an adequate fashion. The principal deficiencies are a lack of sufficient funding for both employee and safety and health staff training, and inadequate or non-existent documentation of training for top management, intermediate levels of management, and supervisors. Similar deficiencies exist in varying degrees for other employees. It is apparent that the full extent of the training requirements in OSHA 29 CFR 1910 standards has not been recognized and implemented within the ETCs.
Date:
January 1, 1981
Creator:
Meyer, A. F., Jr.; Vaudreuil, M. & Wisniewski, S. T.
System:
The UNT Digital Library
Materials selection guidelines for geothermal energy utilization systems
This manual includes geothermal fluid chemistry, corrosion test data, and materials operating experience. Systems using geothermal energy in El Salvador, Iceland, Italy, Japan, Mexico, New Zealand, and the United States are described. The manual provides materials selection guidelines for surface equipment of future geothermal energy systems. The key chemical species that are significant in determining corrosiveness of geothermal fluids are identified. The utilization modes of geothermal energy are defined as well as the various physical fluid parameters that affect corrosiveness. Both detailed and summarized results of materials performance tests and applicable operating experiences from forty sites throughout the world are presented. The application of various non-metal materials in geothermal environments are discussed. Included in appendices are: corrosion behavior of specific alloy classes in geothermal fluids, corrosion in seawater desalination plants, worldwide geothermal power production, DOE-sponsored utilization projects, plant availability, relative costs of alloys, and composition of alloys. (MHR)
Date:
January 1, 1981
Creator:
Ellis, P. F., II & Conover, M. F.
System:
The UNT Digital Library
Geologic map of the Crater Springs Known Geothermal Resources Area and vicinity, Juab and Millard Counties, Utah
None
Date:
January 1, 1981
Creator:
Galyardt, G. L. & Rush, F. E.
System:
The UNT Digital Library
Texas Judicial System Annual Report: 1980
Annual report of the Texas Judicial System (the Texas Judicial Council and the Office of Court Administration) describing judicial branch operations, reports and developments, summaries and analyses of court activities, and providing a directory of judges and clerks.
Date:
May 1981
Creator:
Texas Judicial Council
System:
The Portal to Texas History
Hydrogeochemical and Stream Sediment Reconnaissance Basic Data for Broken Bow NTMS Quadrangle, Nebraska
"Results of a reconnaissance geochemical survey of the Broken Bow Quadrangle, Nebraska are reported. Statistical data and aerial distributions for uranium-related variables are presented for 578 groundwater and 442 stream sediment samples. Also included is a brief discussion on location and geology." (from Abstract)
Date:
June 30, 1981
Creator:
National Uranium Resource Evaluation Program
System:
The UNT Digital Library
Texas Department of Human Resources Annual Report: 1981
Annual report of the Texas Department of Human Resources describing goals, activities, and accomplishments during fiscal year 1981.
Date:
1981
Creator:
Texas. Department of Human Resources.
System:
The Portal to Texas History
A Summary Geologic Report on the Missoula/Bitterroot Drilling Project, Missoula/Bitterroot Basins, Montana
A report discussing a drilling project with the objective of obtaining information to assess the favorability of the Tertiary sedimentary units in the Missoula and Bitterroot Valleys for uranium potential.
Date:
March 1981
Creator:
Abramiuk, I. Nicholas
System:
The UNT Digital Library
Biocide By-Products in Aquatic Environments
A three-year program has been conducted to study the chemistry and biological effects of products arising from the low-level chlorination of natural waters. These studies are related to environmental concerns arising from the discharge of chlorine-treated power plant cooling water. The studies have shown that addition of low levels (2 mg/l) of chlorine to natural waters produces haloforms in concentrations which are orders of magnitude lower than the LC{sub 50}'s measured in a number of fresh ana salt water organisms. Chlorination also produces nonhaloform lipophilic organohalogen products in concentrations much lower than the naloforms, although no evidence was obtained which suggested significant olomagnification of these during chronic exposure of juvenile salmon to chlorinated fresh water. No dramatic effects were noted in organisms chronically exposed to chlorinated waters, but changes in general condition were observed.
Date:
May 1, 1981
Creator:
Bean, R. M.; Gibson, C. I. & Anderson, D. R.
System:
The UNT Digital Library
Analysis of the Impact of Safeguards Criteria
As part of the US Program of Technical Assistance to IAEA Safeguards, the Pacific Northwest Laboratory (PNL) was asked to assist in developing and demonstrating a model for assessing the impact of setting criteria for the application of IAEA safeguards. This report presents the results of PNL's work on the task. The report is in three parts. The first explains the technical approach and methodology. The second contains an example application of the methodology. The third presents the conclusions of the study. PNL used the model and computer programs developed as part of Task C.5 (Estimation of Inspection Efforts) of the Program of Technical Assistance. The example application of the methodology involves low-enriched uranium conversion and fuel fabrication facilities. The effects of variations in seven parameters are considered: false alarm probability, goal probability of detection, detection goal quantity, the plant operator's measurement capability, the inspector's variables measurement capability, the inspector's attributes measurement capability, and annual plant throughput. Among the key results and conclusions of the analysis are the following: the variables with the greatest impact on the probability of detection are the inspector's measurement capability, the goal quantity, and the throughput; the variables with the greatest impact on inspection costs …
Date:
January 1, 1981
Creator:
Mullen, M. F. & Reardon, P. T.
System:
The UNT Digital Library
Multisource Data Set Integration and Characterization of Uranium Mineralization for the Montrose Quadrangle, Colorado
A report characterizing known uranium occurrences in the Montrose Quadrangle and to find other areas in the quadrangle with similar characteristics
Date:
April 1981
Creator:
Bolivar, Stephen L.; Balog, Susan H.; Campbell, Katherine; Fugelso, L. Erik; Weaver, Thomas A. & Wecksung, George W.
System:
The UNT Digital Library
The Texas Shrimp Fishery Report to the Governor and Legislature: 1981
Report on the Texas Shrimp Fishery program providing background information on shrimp and data related to Texas fisheries, reports of shrimp fishing, and other related statistics.
Date:
January 1981
Creator:
Texas. Parks and Wildlife Department.
System:
The Portal to Texas History
Hydrogeochemical and Stream Sediment Reconnaissance Basic Data for Milbank NTMS Quadrangle (Minnesota, North Dakota, South Dakota)
"Results of a reconnaissance geochemical survey are reported for the Milbank Quadrangle, Minnesota; North Dakota; South Dakota. Statistical data and areal distributions for uranium and uranium-related variables are presented for 662 groundwater and 319 stream sediment samples. Also included is a brief discussion on location and geologic setting." (from Abstract)
Date:
June 15, 1981
Creator:
National Uranium Resource Evaluation Program
System:
The UNT Digital Library
Airborne Gamma-Ray Spectrometer and Magnetometer Survey, North/South Tieline Airborne Survey: Final Report, Volume 1
Report documenting results of an airborne high-sensitivity gamma-ray spectrometer and magnetometer survey of the 99-degree longitudinal line from the Canadian to the Mexican border in the U.S., including data acquisition methods, a summary of data and outline of data presentation, area geology, and interpretation of results.
Date:
May 1981
Creator:
unknown
System:
The UNT Digital Library
Texas Turfgrass Research: 1979-80
Consolidated progress report providing a summary of research conducted at the experiment station during the prior year related to grass varieties used as turf, including updates on research, studies on turfgrasses, cultivar characterizations, fungicides, and herbicides.
Date:
January 1981
Creator:
Texas Agricultural Experiment Station
System:
The Portal to Texas History