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Atomic Energy Commission Reports
2,863
Hanford Works Reports
844
University of California Radiation Laboratory Reports
719
HW (Series)
599
Brookhaven National Laboratory Reports
520
BNL (Series)
519
Oak Ridge National Laboratory Reports
479
UCRL (Series)
300
AECU (Series)
288
NP (U.S. Atomic Energy Commission)
224
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6,023 Matching Results
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Radioactivity induced by Neutron Bombardment : Part IV
In this paper the authors refer to new activities induced by neutron bombardment.
Date:
November 1934
Creator:
Amaldi, E.; D'Agostino, O. & Segrè, E.
Object Type:
Report
System:
The UNT Digital Library
On the Calculation of Properties of Gases at High Temperatures
"The role of the potential of intermolecular force in determining properties of gases at elevated temperatures is discussed. Coefficients of viscosity and self diffusion, isotopic reduced thermal diffusion ratios, and second virial coefficients for helium, argon, and nitrogen at 1,000, 5,000, and 15,000 d K were calculated from extrapolated potentials and from beam potentials."
Date:
August 1, 1958
Creator:
Amdur, I. & Ross, J.
Object Type:
Report
System:
The UNT Digital Library
Progress Report For January 16, 1951 - March 15, 1951
A progress report on the results obtained, during the period, on ore samples from Grants, New Mexico, Maryvale, Utah, Hite, Utah, a fluorite deposit in Utah, and Rand ores. Also reported are results obtained with anion exchange resins in pulp, and systematic studies with anion exchange resins. Application of the lyometallurgical process to several ores and the use of an activated alumina column for purification of pregnant solvent solutions before precipitation are mentioned. Analytical developments pertaining to boron and aluminum analysis are reported.
Date:
1951
Creator:
American Cyanamid Company
Object Type:
Report
System:
The UNT Digital Library
Progress Report For January 16, 1952 - March 15, 1952
This report deals with laboratory and field work on problems connected with uranium ore processing and concentration. Analytical developments and production results are reported.
Date:
1952
Creator:
American Cyanamid Company
Object Type:
Report
System:
The UNT Digital Library
Progress Report For March 16, 1951 - May 15, 1951
A progress report on investigations dealing with ores from Grants, New Mexico, Lukachukai Mountain District in Arizona, Belgian Congo, Thomas Mountain Range in Utah, and the Witwatersrand, South Africa. Anionic exchange resin studies such as resin in pulp, self elution with Rand leach liquors, adsorption of uranyl nitrate and uranyl perchlorate, adsorption of iron, manganese, cobalt, arsenic and molybdenum from sulfite solutions, adsorption or uranium from chloride bearing sulfate solutions are reported. Study of the sulfating step in the lyometallurgy process is reported.
Date:
1951
Creator:
American Cyanamid Company
Object Type:
Report
System:
The UNT Digital Library
Progress Report For November 16, 1951 - January 15, 1952
This progress report describes the final tests on ore samples from the Belgian Congo. Leaching, precipitation and ion exchange testing was continued on ore samples and leach liquors from Radium Hill (South Australia), Temple Mountain, Lukachukai, and Rand. Test work on uranium recovery from residues remaining after HF production from Utah Fluorite ore samples was completed. Additional test results are also presented.
Date:
1952
Creator:
American Cyanamid Company
Object Type:
Report
System:
The UNT Digital Library
Progress Report For September 16, 1951 - November 15, 1951
This project report covers leaching and precipitation work on uranium ore samples from the Belgian Congo, South Australia (Radium Hill), Temple Mountain (Utah) and Grants, New Mexico. Ion exchange studies on the effect of cobalt, thiocyanate, and polythionates in Rand liquors and resin life testing studies are noted. Ion exchange work with Climax Uranium leach liquors using 2 inch diameter columns is reported. Lyometallurgical studies with the effect of organo-phosphates on the extraction of uranium from Chattanooga shales.
Date:
1951
Creator:
American Cyanamid Company
Object Type:
Report
System:
The UNT Digital Library
Semi-Annual Progress Report in Chemistry for the Period October 1,1950--March 31,1951
Report discussing the progress made on various chemistry research projects at Ames Laboratory during the period from October 1, 1950 to March 31, 1951.
Date:
May 1, 1951
Creator:
Ames Laboratory
Object Type:
Report
System:
The UNT Digital Library
Chemical Research — General Chemistry: Report for Period of February 1 to March 10, 1944
A report which investigated vacuum distilation, entrainer gas distillation, and entrainer gas plus bromine vapor distillation.
Date:
1944
Creator:
Ames Project
Object Type:
Report
System:
The UNT Digital Library
Distribution of Uranyl Nitrate Between Al(NO3)3 and Tributyl Phosphate
From abstract: "The distribution of uranyl nitrate was measured from aluminum nitrate and nitric acid solutions into diluted tri-n-butyl phosphate. This information is useful for designing solvent extraction processes for recovery of uranium from aluminum nitrate or nitric acid solutions."
Date:
March 1958
Creator:
Ames, Donald P. & Karraker, David G.
Object Type:
Report
System:
The UNT Digital Library
Density and Hydrogen Content of Uranium Oxide Cakes and Slurries
The work described was undertaken to provide data for nuclear safety studies concerning NPF reprocessing equipment. The original objective was to determine the uranium density and water (hydrogen) content of UO2-H2O mixtures ranging from compact centrifuge cakes to dilute slurries. The scope was later expanded to include mixtures of UO2 with hydrocarbon oil and mixtures of UO3-H2O.
Date:
March 22, 1960
Creator:
Amos, L. C.
Object Type:
Report
System:
The UNT Digital Library
Physical Properties of Neutralized Zirflex Waste
Zirflex cladding waste is to be neutralized to pH 10 before transfer to waste storage tanks. This treatment causes the precipitation of zirconium oxide or hydroxide, which may lead to flow difficulties during transfer. The purpose of this investigation was to determine the physical properties and flow characteristics of the neutralized slurry to assist in the selectin of satisfactory transfer equipment and storage conditions.
Date:
June 8, 1959
Creator:
Amos, L. C.
Object Type:
Report
System:
The UNT Digital Library
Regeneration of Silver Reactors
A study of the variables involved in regeneration was undertaken to determine means of improving the regeneration efficiency and increasing the useful life of a reactor. Information gained from regeneration studies on a 4-inch-diameter by 8-foot-high column indicates that the present regeneration procedure is optimum as to quantity, concentration, and rate of addition of regenerant solution. It appears feasible to restore a plugged reactor by washing off all the silver nitrate from the packing and recoating by a normal regeneration cycle. Such a procedure could be utilized only if there is sufficient dead space in the bottom of the reactor to hold the wash solution.
Date:
December 27, 1955
Creator:
Amos, L. C.
Object Type:
Report
System:
The UNT Digital Library
Semi Works Studies for the Reduction of Corrosion-Product Impurities in UR-Plant UO3
This report describes the work carried out in 321 Building semiworks equipment, to define the factors contributing to high corrosion-product contamination and presents recommendations for reducing the impurity level to meet current specifications (maximum of 200 parts total metals per million parts U).
Date:
June 14, 1960
Creator:
Amos, L. C.; Kirkendall, B. E. & Adler, K. L.
Object Type:
Report
System:
The UNT Digital Library
Fuels Preparation Department Analytical Laboratory Manual
The purpose of the Analytical Laboratory Manual is to assemble the basic procedures to be used for the analyses of materials employed within the Fuels Preparation Department. The methods appear in detailed steps suitable for laboratory use. This document replaces the "Essential Material Analytical Manual, " HW-25375 and "Metal Preparation Analytical Manual," HW-30862.
Date:
June 1959
Creator:
Analytical Laboratory Manufacturing Operation
Object Type:
Report
System:
The UNT Digital Library
Occurrence of Technetium in Nature : Final Report for the Period November 1, 1954 to August 31, 1955
Twelve neutron activation analyses for naturally occurring technetium-98 were performed. Positive results were obtained in ten cases. Precautions were taken to avoid interference by molybdenum and technetium-99. the cross section for the reaction [formula] as found to be equal to 4 +- 2 mb for the neutron spectrum of the vertical thimbles of the Argonne CP-5 reactor. The chemical state of molybdenum (VI) in basic solution was studied by an anion-exchange technique. Evidence was obtained for the existence of polymeric species at pH-values up to 14. Preliminary work on the stability of Domax-1 anion exchange resin in perchlorate media indicates rapid deterioration even at 0.2F ClO4-.
Date:
September 1, 1955
Creator:
Anders, Edward, 1926-
Object Type:
Report
System:
The UNT Digital Library
Beta Gage for Localized Measurements on Thin Films
A gage employing a narrow "pencil" of beta-rays has been developed to determine the thickness of films used a cyclotron targets. The instrument, pictured in Figure 1, allows an estimate of the evenness of films a few mg/cm thick by reproducibly scanning the sample with a collimated beta-ray beam 3/32 in. in diameter.
Date:
1955
Creator:
Anders, Oswald U. (Oswald Ulrich) & Meinke, W. Wayne
Object Type:
Report
System:
The UNT Digital Library
Final Summary Safeguards Report For The General Electric Test Reactor
This report is submitted to the U. S. Atomic Energy Commission as a final summary safeguards and hazards evaluation of a proposed test reactor at its Vallecitos Atomic Laboratory in Alameda County of California. It is the purpose of this report to provide sufficient data to obtain an AEC facility license for the reactor.
Date:
February 20, 1958
Creator:
Andersen, R. K. & Jacobs, I. M.
Object Type:
Report
System:
The UNT Digital Library
LRL-Nevada Drill Hole Survey Technique
The demands of the scientific programs of the Lawrence Radiation Laboratory at the Nevada Test Site have necessitated the development of special drill hole survey techniques. These techniques, in general, have made possible the attainment of greater survey accuracies than are ordinarily obtained by the drilling industry in the course of normal survey work. For drill holes requiring a moderately high degree of location accuracy, standard survey equipment, manufactured by Eastman Oil Well Survey Company was adapted by LRL to meet this need. Where an extremely high degree of survey accuracy and control of drilling effort is necessary, such as in the drilling and survey of line-of-sight holes, special optical equipment was developed. The modifications of equipment, refinements in procedures, and special techniques necessary to adapt this equipment to meet the more demanding accuracy requirements of scientific programs are discussed. The overall techniques of survey, equipment used, and the accuracies obtained together with results of completed surveys showing a comparison with standard land survey methods are also discussed and illustrated in some detail.
Date:
December 1960
Creator:
Anderson, Arthur L.; Skousen, Lester P. & Bennett, Walter P.
Object Type:
Report
System:
The UNT Digital Library
Potential Nitrate Decomposition High Level Waste Storage
It is recommended that self-concentration of Purex wastes should not be started until much more complete knowledge is obtained of the conditions and reactions in these wastes. The presently planned tests in the Semi-Works will be a practical demonstration of the problems but will be of little value on the initial Purex wastes as these tests are being run almost concurrent with the filling of the first Purex storage tank.
Date:
April 27, 1955
Creator:
Anderson, C. R.
Object Type:
Report
System:
The UNT Digital Library
Effects of Ultraviolet Radiation on Chloroplast Reactions and Plant Metabolism
This technical report represents a brief survey of work by this project on the effects of ultraviolet radiation (UV) on certain of the photochemical and metabolic properties of rhubarb chard and sugar beet (Beta vulgaris). These plants were selected for this work because for some years they have been used as sources of chloroplasts for Hill reaction studies in this laboratory. Some of this work has appeared as a brief paper.
Date:
June 15, 1955
Creator:
Anderson, Donald R.; Spikes, John D. & Mayne, Berger C.
Object Type:
Report
System:
The UNT Digital Library
Influence of Total Surface Beta Irradiation on the Gross Metabolic Pattern of Rats
The following report records the study of albino rats subjected to beta rays and analyzes the skin reactions and metabolic patterns.
Date:
July 30, 1946
Creator:
Anderson, Elizabeth
Object Type:
Report
System:
The UNT Digital Library
Rapid Reading of Large Binary Scales
"A chart is presented for use in the rapid conversion of octal to decimal numbers. Tabulated data compare the decimal and octal systems, and decimal and binary numbers up to 19/sub 10/ = 10,011/sub 2/. Application of the data in reading scaling circuits is discussed."
Date:
January 1, 1955
Creator:
Anderson, Ernest C.
Object Type:
Report
System:
The UNT Digital Library
Temperature distribution in spherical pellets
From abstract: "A study is presented of the surface temperature distribution of spherical pellets in a fixed-bed, pellet-type reactor. The temperature near a point of contact is determined experimentally by means of an electrolytic tank analogue. An analytical approach involving the use of the IBM (CPC) calculator is described. Suggestions for further study are included."
Date:
1953
Creator:
Anderson, G. M.
Object Type:
Report
System:
The UNT Digital Library