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Survey of helium in soil gases of Long Valley, Califorina

Description: Soil and water samples in and around the Long Valley geothermal area, Mono County, California, were collected and analyzed for helium by means of a modified mass spectrometer leak detector to see what relationship helium concentrations might have to geothermal features of the area, and to previously studied mercury anomalies in the area. Anomalously high concentrations of helium occurred over part of a major Sierra Nevada frontal fault and over other faults outside of the caldera. Anomalously l… more
Date: January 1, 1980
Creator: Hinkle, M. E. & Kilburn, J. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Off-Site Radiological Safety Report, Carlsbad, New Mexico

Description: A summary ls presented of the off-slte radiological safety actlvities of the U. S. Public Health Service during the Project Gnome operation. Topics dlscussed include: operational procedures; collection of data by aerial monltoring, mobile monitoring, potash mlne surveys, air sampling, milk sampllng, water sampling, soil and vegetation sampllng, and a film badge program; laboratory control, emergency measures; medlcal services; and veterinary activltles. It was concluded that no persons ln the v… more
Date: January 1, 1961
Creator: Placak, O. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Rapid quenching of molten lithium-aluminum jets in water under loss-of-control-rod-cooling conditions

Description: A series of fifteen tests were performed to investigate the thermal interactions between molten LiAl control rod material and water under conditions prototypic of the loss-of-control-rod-cooling (LCRC) accident scenario. The experimental parameters such as melt mass, stream diameter, melt temperature and flowrate, water depth and water temperature were controlled or varied to agree with analytically determined conditions, thus insuring prototypicality of the experiments and applicability of the… more
Date: January 1, 1992
Creator: Greene, G. A.; Finfrock, C. C.; Schwarz, C. E.; Allison, D. K. & Hyder, M. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Long-term leaching of irradiated spent fuel

Description: Spent Light Water Reactor (LWR) fuel with burnups of 9, 28 and 54 MWd/kg U were leach tested at 25/sup 0/C in deionized water in a Paige apparatus. No discernible differences in leach rates were observed due to burnup. Additionally, the 28 MWd/kg U fuel was IAEA leach tested in five different leachants using the IAEA method. Deionized water gave the highest leach rates and a calcium chloride solution gave the lowest leach rates. An accelerated leaching period was observed during the Paige leach… more
Date: January 1, 1979
Creator: Katayama, Y. B. & Bradley, D. J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Molecular Sieve Regeneration System for assaying HTO from detritiation systems

Description: A Molecular Sieve Regeneration System (MSRS) is being added to the existing Tritium Waste Treatment system (TWT) within the Tritium Systems Test Assembly (TSTA) at the Los Alamos National Laboratory. This system is an upgrade to the TWT to provide accurate measurements of the liquid waste generated from this system. Within the TWT, hydrogen isotopes are removed from the effluent gas stream by the catalytic conversion to water and the subsequent removal of water by molecular sieve trapping prior… more
Date: January 1, 1992
Creator: Nasise, J.E.; Anderson, J.L. (Los Alamos National Lab., NM (United States)) & Naruse, Y. (Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan))
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Variability of surface fluxes over a heterogeneous semi-arid grassland

Description: Efforts are increasing throughout the research community to improve the predictive capabilities of general circulation models (GCMs). The US Department of Energy's Atmospheric Radiation Measurement (ARM) program has stated its goals as improving the representation and parameterization of cloud radiative forcing and feedbacks in GCMs by a combined modeling and experimental approach. Along with ambient atmospheric conditions, including advection of water vapor and cloud nuclei from other regions,… more
Date: January 1, 1991
Creator: Barnes, F.J.; Porch, W.; Cooper, D. (Los Alamos National Lab., NM (United States)); Kunkel, K.E. (Illinois Univ., Urbana, IL (United States)); Hipps, L. & Swiatek, E. (Utah State Univ., Logan, UT (United States))
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Data needs for the track structure of alpha particles and electrons in water

Description: We have made calculations of the ionization spectra for alpha particle and electron tracks in water. We have also computed the number of ions created per micrometre of track length, the energy distribution of the secondaries, and the energy expended per ion pair created. Our aim is less toward theoretical derivations than to obtain a numerically accurate description of the track structure at all energies in a form suitable for biomedical applications. 13 references.
Date: January 1, 1983
Creator: Pagnamenta, A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Early events in irradiated water. [5-keV electrons]

Description: We propose a model to continue following events from the initial energy deposition (<10/sup -15/ s) through later times at which liquid water can begin to respond chemically to the passage of radiation. We use a Monte Carlo code to calculate the spatial distributions of the chemical species present at times of about 10/sup -11/ s. This information provides the necessary input for diffusion-kinetic calculations to predict the subsequent chemical evolution of the system and measurable transient a… more
Date: January 1, 1980
Creator: Turner, J.E.; Magee, J.L.; Hamm, R.N.; Chatterjee, A.; Wright, H.A. & Ritchie, R.H.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Atomic structure of clusters through chemical reactions

Description: Techniques for the probing of isolated metal cluster structure through adsorbate binding patterns will be described. The saturation of clusters with reagents such as ammonia and nitrogen provides information on the number of preferred binding sites for these reagents. The dependence of this number on cluster size can suggest particular structural themes. The equilibrium reaction with water can be used to identify cluster sizes having especially enhanced binding for the water molecule. Again, th… more
Date: January 1, 1991
Creator: Riley, S.J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Material Considerations in the Design of a Bulk Shield for the Fusion Engineering Device

Description: The FED bulk shield provides protection from high-energy neutrons and gamma rays and removes nuclear heat generated. Bulk shield optimization calculations were conducted using the Los Alamos ONEDANT discrete ordinates and the General Atomic PATH point kernel codes. Six candidate steel alloys were considered.
Date: January 1, 1981
Creator: Kirchner, J. & Engholm, B. A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Initial results from the first Los Alamos hot dry rock energy system

Description: The pressurized-water loop for extraction of natural heat from dry crustal rock is, as this is written, eight weeks into its initial long-term continuous circulation test. During most of this time, flow-impedance through the man-made fracture system has decreased continuously so that, with a nearly constant pressure difference between injection and recovery wells, flow rate has increased steadily to the maximum capacity of the surface piping--about 16 liters per second. Temperature of water ent… more
Date: January 1, 1978
Creator: Smith, M.C.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Ion-beam depth-profiling studies of leached glasses

Description: Ion-beam depth-profiling was carried out on three different glasses leached (or hydrated) in deionized water using /sup 1/H(/sup 19/F,..cap alpha gamma..)/sup 16/O nuclear reaction, secondary ion mass spectrometry (SIMS) and sputter-induced photon spectrometry (SIPS) techniques. The depth-profiles show an interdiffusion mechanism in which the sodium ions in the glass are depleted and replaced by hydrogen (H/sup +/) or hydronium (H/sub 3/O/sup +/) ions from the solution. The leaching behavior do… more
Date: January 1, 1981
Creator: Houser, C. A.; Tsong, I. S. T.; White, W. B.; Wintenberg, A. L.; Miller, P. D. & Moak, C. D.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Size effects in aerosol particle interactions: the van der Waals potential and collision rates

Description: Three effects which are explicitly dependent on aerosol particle size are identified and discussed. They are focussed about the particle collision rate and how it relates to the properties of the gas, the particle, and the particle&#x27;s interaction potential energy which play roles in particle-particle collision rates. By incorporating the conduction electronic free path effect for conductors into the frequency-dependent dielectric constants of silver and graphite, particle size effects in th… more
Date: January 1, 1980
Creator: Marlow, W H
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Low temperature, sulfur tolerant homogeneous catalysts for the water-gas shift reaction

Description: The purpose of this report is to update and reorganize our recent review on homogeneous catalysis of the water-gas shift reaction (WGSR) based on recent literature publications and patents. This updated version will serve as a means of selecting 10 candidate catalyst systems for use in developing effective, sulfur-tolerant, low temperature WGSR catalysts. This report discusses the variations possible in the basic chemistry associated with WGSR catalytic cycles, including basic, acidic, and neut… more
Date: January 20, 1986
Creator: Laine, R. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Post-remedial-action radiological survey of the Westinghouse Advanced Reactors Division Plutonium Fuel Laboratories, Cheswick, Pennsylvania, October 1-8, 1981

Description: The post-remedial-action radiological assessment conducted by the ANL Radiological Survey Group in October 1981, following decommissioning and decontamination efforts by Westinghouse personnel, indicated that except for the Advanced Fuels Laboratory exhaust ductwork and north wall, the interior surfaces of the Plutonium Laboratory and associated areas within Building 7 and the Advanced Fuels Laboratory within Building 8 were below both the ANSI Draft Standard N13.12 and NRC Guideline criteria f… more
Date: January 1, 1984
Creator: Flynn, K. F.; Justus, A. L.; Sholeen, C. M.; Smith, W. H. & Wynveen, R. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Effect of water-bearing fiber in Kevlar 49-epoxy composites

Description: Water has been observed to be adsorbed, and possibly absorbed, by desiccated Kevlar 49 fiber to 6 percent of the fiber weight in 100 percent relative humidity. The effect of the water on the transverse flexural strength and elastic modulus of an aliphatic amine-cured epoxy, unidirectionally reinforced with saturated Kevlar 49, has been determined. Such composites are weaker than those made with fiber equilibrated to 0 percent relative humidity, and the effect persists after a 75/sup 0/C, 16-h p… more
Date: January 1, 1978
Creator: Moss, M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Test and Evaluation of Alco/BLH Prototype Sodium-Heated Steam Generator: Final Report

Description: A 30-Mwt prototype sodium-to-sodium intermediate heat exchanger and a 30-Mwt prototype sodium-heated steam generator were tested in combined operation in its Sodium Components Test Installation. This report contains the results of test and evaluation of the steam generator. During plant performance tests, performance degradation was observed, which resulted in the initiation of a diagnostic test series. This test series revealed that under certain operating conditions, the thermohydraulic chara… more
Date: January 31, 1971
Creator: Kaplan, C. J.; Auge, L. J.; Cho, S. M.; Hanna, R. W.; Prevost, J. R.; Steger, N. A. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Condensed-matter research at the Los Alamos pulsed neutron source (WNR)

Description: The experimental program at the WNR in condensed matter research at present is aimed principally at utilizing the high epithermal neutron flux available at a spallation neutron source. Interesting new results have been obtained in several areas including hydrogen vibrations in metals, chemical vibrational spectroscopy and the structure of liquids. For example, extensive vibrational spectra were obtained of hydrogen in Nb which could be described in terms of a three-dimensional localized anharmo… more
Date: January 1, 1982
Creator: Eckert, J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Water vapor pressure gauge

Description: An inexpensive pressure gauge, able to measure the N/sub 2/ and H/sub 2/O components within a vacuum system in the pressure range 1..mu.. to 400..mu.. is described and results of tests of the device are reported.
Date: January 1, 1980
Creator: Edwards, D Jr & Gillette, D
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Interpretation of volcanic gas data from tholeiitic and alkaline mafic lavas

Description: Data are tabulated for approximately 150 previously reported collections of high-temperature volcanic gases from basic lavas using computational techniques recently introduced by the author. Research problems dealing with the composition of volcanic gases and their relation to lava chemistry are outlined. The need for more accurate data on the volume of gases released during eruptions is also noted. (PCS)
Date: January 1, 1980
Creator: Gerlach, T. M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Two bismuth sulfate-sulfuric acid hybrid water-splitting cycles. Proposed antimonyl sulfate cycle

Description: Some experimental work is presented that is related to two hybrid thermochemical cycles for the production of hydrogen which involve bismuth trisulfate and/or bismuth oxysulfates. Omitting statement of the steps for decomposition of SO/sub 3/ and the electrochemical formation of H/sub 2/ and H/sub 2/SO/sub 4/ from SO/sub 2/ and H/sub 2/O, the high and low temperature reactions are: Cycle I - Bi/sub 2/(SO/sub 4/)/sub 3/ = Bi/sub 2/O/sub 2/ /sub 3/ (SO/sub 4/)/sub 0/ /sub 7/ + 2.3 SO/sub 3/; and … more
Date: January 1, 1982
Creator: Jones, W.M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Waste migration studies at the Savannah River Plant burial ground

Description: The low-level radioactive waste burial ground at the Savannah River Plant is a typical shallow-land-burial disposal site in a humid region. Studies of waste migration at this site provide generic data for designing other disposal facilities. A program of field, laboratory, and modeling studies for the SRP burial ground has been conducted for several years. Recent results of lysimeter tests, soil-water chemistry studies, and transport modeling are reported. The lysimeter experiments include ongo… more
Date: January 1, 1985
Creator: Stone, J A; Oblath, S B; Hawkins, R H; Grant, M W; Hoeffner, S L & King, C M
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Migration of radionuclides following shallow land burial

Description: A study of radionuclide migration was conducted at a facility used from 1944 to 1949 for the shallow land burial of radwaste produced during operations with two reactors and related nuclear research. It is situated in glacial drift 45 m thick. Underlying the drift is a generally level Silurian dolomite bedrock 60 m thick. The thickness of the drift decreases as the surface slopes downhill (north) until the dolomite reaches the surface and forms the bed of a river, 700 m to the north. This study… more
Date: January 1, 1980
Creator: Sedlet, J. & Golchert, N.W.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Leak detection system design and operating considerations for the US-CRBRP

Description: Diffusion membrane type hydrogen detectors are provided for monitoring the sodium exiting each evaporator and superheater in the Clinch River Breeder Reactor Plant. These detectors allow detection of small water to sodium leaks and provide the plant operator with an early warning signal. Hydrogen detectors are located at the exit sodium streams of each steam generator module, the vent from the module semi-stagnant region, the cold leg piping, and in an intermediate system sodium expansion tank … more
Date: January 1, 1976
Creator: Kruger, G. B.; Eng, K. Y. & Kelly, W. L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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