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303
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245
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154
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8MVA modulator/regulator for neutral beams
This paper describes very generally the modulator/regulator (Mod/Reg) being built for Transrex by Systems, Science and Software for use on the neutral beam power supplies that Transrex is building for General Atomic Company to power the neutral beam heating systems that will be used on the Doublet III fusion device. The Mod/Reg is required to provide an 80 kV, 100 A pulse for a second every 90 sec. The voltage is to be regulated to 3%, and in case of fault the pulse must be interrupted within 10 ..mu..sec. An additional requirement was that the total system have very low capacity such that the total energy stored would be less than 15 joules. This is a restriction imposed by the source designer to prevent destroying the source in case of an arc within the source.
Date:
May 1980
Creator:
Remsen, D. B., Jr. & Overett, Trevor H.
Object Type:
Article
System:
The UNT Digital Library
A15 multifilamentary superconductors by the infiltration process
The inherent brittleness of the A15 compounds, and the requirement for a filamentary morphology, led to a heavy reliance on a powder approach for the preparation of superconducting tapes and wires. The quench-age technique, a non-powder process, was employed for the niobium-aluminum system, following the special features of the equilibrium phase diagram. The powder approach proved particularly effective for binaries, such as Nb-Sn, and for the ternaries Nb(Al,Ge) and Nb(Al,Si). Two variations of the powder process were assessed. One involved the use of precompounded powder of the desired stoichiometry but required simultaneous application of heat and pressure. The second variation was the infiltration process. This process involves the preparation of a ductile niobium matrix containing a controlled network of interconnected pores which are subsequently infiltrated with liquid metals (Sn) or low melting-point eutectics (e.g., Al-Ge, Al-Si). The composite is then subjected to a thermomechanical treatment to form a multiply connected array of A15 filaments in a niobium matrix. Multifilamentary conductors, based on Nb/sub 3/Sn, Nb/sub 3/Al, Nb/sub 3/ (Al,Ge) and Nb/sub 3/ (Al,Si), were readily obtained. Nb/sub 3/Sn conductors made by the infiltration process exhibit a critical temperature (Tc) of 18.1 K and a critical current carrying capacity (I/sub c/) …
Date:
May 1, 1980
Creator:
Pickus, M.R.; Holthuis, J.T. & Rosen, M.
Object Type:
Article
System:
The UNT Digital Library
Abstracts for Nonequilibrium Superconductivity, Phonons, and Kapitza Boundaries
Compilation of abstracts for lectures that were presented at the NATO Advanced Study Institute on "Nonequilibrium Superconductivity, Phonons and Kapitza Boundaries." The topics primarily discuss work in the area of superconductivity, low-temperature phenomena, and energy-related problems in this field.
Date:
May 1980
Creator:
Gray, Kenneth E. & Langenberg, Donald N.
Object Type:
Report
System:
The UNT Digital Library
ACTVE News, Volume 11, Number 5, May 1980
Newsletter issued by the Advisory Council for Technical-Vocational Education in Texas discussing news, events, and other relevant information related to technical and vocational education for adults in Texas.
Date:
May 1980
Creator:
Advisory Council for Technical-Vocational Education in Texas
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Adaptive Intrusion Data System (AIDS)
The adaptive intrusion data system (AIDS) was developed to collect data from intrusion alarm sensors as part of an evaluation system to improve sensor performance. AIDS is a unique data system which uses computer controlled data systems, video cameras and recorders, analog-to-digital conversion, environmental sensors, and digital recorders to collect sensor data. The data can be viewed either manually or with a special computerized data-reduction system which adds new data to a data base stored on a magnetic disc recorder. This report provides a synoptic account of the AIDS as it presently exists. Modifications to the purchased subsystems are described, and references are made to publications which describe the Sandia-designed subsystems.
Date:
May 1, 1980
Creator:
Corlis, N. E.
Object Type:
Report
System:
The UNT Digital Library
Advanced Fuel Cell Development Progress Report: October-December 1979
Quarterly report discussing fuel cell research and development work at Argonne National Laboratory (ANL). This report describes efforts directed toward understanding and improving components of molten carbonate fuel cells and have included operation of 10-cm square cells.
Date:
May 1980
Creator:
Pierce, R. D.; Kucera, G. H.; Kupperman, D. S.; Poeppel, R. B.; Sim, J. W.; Singh, R. N. et al.
Object Type:
Report
System:
The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 2. Montrose Detail Area #1, Colorado
The following report is the second volume discussing the detailed aerial gamma ray and magnetic survey results taken for the Montrose quadrangle. This report focuses on Area 1, a detail area in Colorado, and provides a detailed geologic summary, interpretation report, six gamma ray and one magnetic contour maps. geochemical analysis map, interpretation map, flight line map, individual corrected profiles, survey area histograms and statistical tables.
Date:
May 1980
Creator:
EG & G GeoMetrics
Object Type:
Report
System:
The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 2. Montrose Detail Area #4, Colorado
The following report is the second volume discussing the detailed aerial gamma ray and magnetic survey results taken for the Montrose quadrangle. This report focuses on Area 4, a detail area in Colorado, and provides a detailed geologic summary, interpretation report, six gamma ray and one magnetic contour maps. geochemical analysis map, interpretation map, flight line map, individual corrected profiles, survey area histograms and statistical tables.
Date:
May 1980
Creator:
EG & G GeoMetrics
Object Type:
Report
System:
The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2: Texarkana Quadrangle (Texas, Oklahoma, Arkansas, and Louisiana)
This report is one part of the second volume containing data on quadrangles of Texas, Oklahoma, Arkansas and Louisiana. This volume contains the detailed geologic summary, interpretation report, standard deviation maps, pseudo-contour maps, interpretation map, flight line and geologic base map, individual corrected profiles, computer map unit histograms and statistical tables for the Texarkana quadrangle.
Date:
May 1980
Creator:
EG & G GeoMetrics
Object Type:
Report
System:
The UNT Digital Library
Aerial Radiometric and Magnetic Survey: Big Spring National Topographic Map, Texas
Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the Big Spring National Topographic Map Sheet (NI 14-10). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings.
Date:
May 1980
Creator:
Geodata International, Inc.
Object Type:
Report
System:
The UNT Digital Library
Aerial Radiometric and Magnetic Survey: Hobbs National Topographic Map, New Mexico/Texas
Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the Hobbs National Topographic Map Sheet (NI 13-12). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings.
Date:
May 1980
Creator:
Geodata International, Inc.
Object Type:
Report
System:
The UNT Digital Library
Aerial radiometric and magnetic survey: Hobbs National Topographic Map, New Mexico/Texas. Final report
The results of analyses of the airborne gamma radiation and total magnetic field survey flown for the region identified as the Hobbs National Topographic Map NI13-12 are presented in this report. The airborne data gathered are reduced by ground computer facilities to yield profile plots of the basic uranium, thorium and potassium equivalent gamma radiation intensities, ratios of these intensities, aircraft altitude above the earth's surface, total gamma ray and earth's magnetic field intensity, correlated as a function of geologic units. The distribution of data within each geologic unit, for all surveyed map lines and tie lines, has been calculated and is included. Two sets of profiled data for each line are included, with one set displaying the above-cited data. The second set includes only flight line magnetic field, temperature, pressure, altitude data plus magnetic field data as measured at a base station. A general description of the area, including descriptions of the various geologic units and the corresponding airborne data, is included also.
Date:
May 1, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Aerial Radiometric and Magnetic Survey: Perryton National Topographic Map, Texas/Oklahoma
Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the Perryton National Topographic Map Sheet (NJ 14-10). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings. -- check/adjust details
Date:
May 1980
Creator:
Geodata International, Inc.
Object Type:
Report
System:
The UNT Digital Library
Aerial radiometric and magnetic survey: Perryton National Topographic Map, Texas/Oklahoma/Kansas. Final report
The results of analyses of the airborne gamma radiation and total magnetic field survey flown for the region identified as the Perryton National Topographic Map NJ14-10 are presented. The airborne data gathered are reduced by ground computer facilities to yield profile plots of the basic uranium, thorium and potassium equivalent gamma radiation intensities, ratios of these intensities, aircraft altitude above the earth's surface, total gamma ray and earth's magnetic field intensity, correlated as a function of geologic units. The distribution of data within each geologic unit, for all surveyed map lines and tie lines, has been calculated and is included. Two sets of profiled data for each line are included, with one set displaying the above-cited data. The second set includes only flight line magnetic field, temperature, pressure, altitude data plus magnetic field data as measured at a base station. A general description of the area, including descriptions of the various geologic units and the corresponding airborne data, is included also.
Date:
May 1, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Aerial Radiometric and Magnetic Survey: San Angelo National Topographic Map, Texas
Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the San Angelo National Topographic Map Sheet (NH 14-1). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings.
Date:
May 1980
Creator:
Geodata International, Inc.
Object Type:
Report
System:
The UNT Digital Library
Aerial radiometric and magnetic survey, San Angelo National Topographic Map: Texas, West Texas Project. Final report
The results of analyses of the airborne gamma radiation and total magnetic field survey flown for the region identified as the San Angelo National Topographic Map NH14-1 are presented. The airborne data gathered are reduced by ground computer facilities to yield profile plots of the basic uranium, thorium, and potassium equivalent gamma radiation intensities, ratios of these intensities, aircraft altitude above the earth's surface, total gamma ray and earth's magnetic field intensity, correlated as a function of geologic units. The distribution of data within each geologic unit, for all surveyed map lines and tie lines, has been calculated and is included. Two sets of profiled data for each line are included, with one set displaying the above-cited data. The second set includes only flight line magnetic field, temperature, pressure, altitude data plus magnetic field data as measured at a base station. A general description of the area, including descriptions of the various geologic units and the corresponding airborne data, is included.
Date:
May 1, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Aerial radiometric and magnetic survey: San Antonio National Topographic Map, Texas. Final report
The results of analyses of the airborne gamma radiation and total magnetic field survey flown for the region identified as the San Antonio National Topographic Map NH14-8 are presented. The airborne data gathered are reduced by ground computer facilities to yield profile plots of the basic uranium, thorium, and potassium equivalent gamma radiation intensities, ratios of these intensities, aircraft altitude above the earth's surface, total gamma ray and earth's magnetic field intensity, correlated as a function of geologic units. The distribution of data within each geologic unit, for all surveyed map lines and tie lines, has been calculated and is included. Two sets of profiled data for each line are included, with one set displaying the above-cited data. The second set includes only flight line magnetic field, temperature, pressure, altitude data plus magnetic field data as measured at a base station. A general description of the area, including descriptions of the various geologic units and the corresponding airborne data, is included also.
Date:
May 1, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Aerial Radiometric and Magnetic Survey: Sonora National Topographic Map, Texas
Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the Sonora National Topographic Map Sheet (NH 14-4). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings.
Date:
May 1980
Creator:
Geodata International, Inc.
Object Type:
Report
System:
The UNT Digital Library
Aerial Radiometric and Magnetic Survey: Woodward National Topographic Map, Oklahoma
Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the Woodward National Topographic Map Sheet (NJ 14-11). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings.
Date:
May 1980
Creator:
Geodata International, Inc.
Object Type:
Report
System:
The UNT Digital Library
Aerosol Analysis for the Regional Air Pollution Study. Final Report
The design and operation of an aerosol sampling and analysis program implemented during the 1975 to 1977 St. Louis Regional Air Pollution Study is described. A network of ten samplers were operated at selected sites in the St. Louis area and the total mass and elemental composition of the collected particulates were determined. Sampling periods of 2 to 24 hours were employed. The samplers were capable of collecting aerosol particles in two distinct size ranges corresponding to fine (< 2.4 ..mu..m diameter) and coarse (> 2.4 ..mu..m diameter) particles. This unique feature allowed the separation of the particulate samples into two distinct fractions with differing chemical origins and health effects. The analysis methods were also newly developed for use in the St. Louis RAPS study. Total particulate mass was measured by a beta-particle attenuation method in which a precision of +- 5 ..mu..m/cm/sup 2/ could be obtained in a one minute measurement time. Elemental compositions of the samples were determined using an energy dispersive x-ray fluorescence method in which detectable limits of 5 ng/cm/sup 2/ or less were routinely achieved for elements ranging in atomic number from Al to Pb. The advantages of these analytical methods over more conventional techniques …
Date:
May 1980
Creator:
Jaklevic, J. M.; Gatti, R. C.; Goulding, F. S.; Loo, B. W. & Thompson, A. C.
Object Type:
Report
System:
The UNT Digital Library
Aging study of Li(Si)/FeS/sub 2/ thermally activated batteries. [Results of accelerated aging at 130/sup 0/C]
A technique for accelerating the aging process of thermally activated batteries that use iron disulfide was developed. In this approach, storage at 130/sup 0/C for one week was assumed equivalent to a shelf life of five years. Some of the batteries stored at 130/sup 0/C were discharged to test for functionality changes, and others were disassembled and carefully analyzed for evidence of deleterious reactions. Some functionality anomalies were observed. The only deleterious reaction observed was that of Li(Si) reacting with water vapor. 3 figures, 6 tables.
Date:
May 1, 1980
Creator:
Searcy, J. Q. & Neiswander, P. A.
Object Type:
Report
System:
The UNT Digital Library
Analysis of barium hydroxide and calcium hydroxide slurry carbonation reactors
The removal of CO/sub 2/ from air was investigated by using a continuous-agitated-slurry carbonation reactor containing either barium hydroxide (Ba(OH)/sub 2/) or calcium hydroxide (Ca(OH)/sub 2/). Such a process would be applied to scrub /sup 14/CO/sub 2/ from stack gases at nuclear-fuel reprocessing plants. Decontamination factors were characterized for reactor conditions which could alter hydrodynamic behavior. An attempt was made to characterize reactor performance with models assuming both plug flow and various degrees of backmixing in the gas phase. The Ba(OH)/sub 2/ slurry enabled increased conversion, but apparently the process was controlled under some conditions by phenomena differing from those observed for carbonation by Ca(OH)/sub 2/. Overall reaction mechanisms are postulated.
Date:
May 1, 1980
Creator:
Patch, K.D.; Hart, R.P. & Schumacher, W.A.
Object Type:
Report
System:
The UNT Digital Library
Analysis of injection testing of geothermal reservoirs
By introducing a similarity variable r/..sqrt..t a quasi-analytical method can be used to calculate the flow induced by the injection of cold water into a hot water or boiling geothermal reservoir. The results obtained are compared with those produced by the reservoir simulator SHAFT79 and show good agreement.
Date:
May 1, 1980
Creator:
O'Sullivan, M. & Pruess, K.
Object Type:
Article
System:
The UNT Digital Library
Analytical Chemistry Division annual progress report for period ending December 31, 1979
The progress is reported in the following sections: analytical methodology, mass and emission spectrometry, technical support, bio-organic analysis, nuclear and radiochemical analysis, and quality assurance. (DLC)
Date:
May 1, 1980
Creator:
Shults, W. D. & Lyon, W. S. (ed.)
Object Type:
Report
System:
The UNT Digital Library