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The Multi-Channel Pulse Analyser

Description: This report discusses the multi-channel pulse analyser including its components and operation.
Date: June 14, 1946
Creator: Ghiorse, Albert; Weissbourd, B. & Robinson, H.
open access

The Bragg Reflection of Neutrons by a Single Crystal

Description: From cover page: This document has been assigned the above MDDC (Manhattan District Declassification) number, as given in the List of Declassified Documents issued semi-monthly by the Research Division, Manhattan District. In the case of Los Alapnos reports, LADC (Los Alamos Declassification) numbers are listed on the title page if known. This declassified document may differ materially from the original classified document by reason of deletions necessary to accomplish declassification. Hence,… more
Date: June 14, 1946
Creator: Zinn, Walter H.
open access

The Effect of Age on the Radiosensitivity of Mice

Description: Abstract: Mice of different ages ranging from 1.5 to 12 months have been exposed to gamma rays in an effort to determine the change in radiosensitivity with age. The dose necessary to cause 50% killing was determined for each age group and sex. No change in sensitivity with age was observed with either sex, although the experimental error in the case of the males was quite large. The females were found to be more resistant than the males.
Date: April 8, 1946
Creator: Curtis, H. J.; Zirkle, Raymond E. (Raymond Elliot), 1902-1988; Anderson, Ernest C., 1920-2013 & Riley, E. F.
open access

Some Studies of the Reactions of Uranium Oxides with Hydrogen, Oxygen and Water

Description: Abstract: The purpose of this research was to obtain data that would be useful in predicting changes that might be expected to occur in the oxidation state and degree of hydration of powdered uranium oxides maintained for long periods of time at temperatures between 30 and 300 degrees C. in the presence of excess water, hydrogen, oxygen and possibly hydrogen peroxide. The reaction of hydrogen and oxygen with water slurries of U3O8 were studied at 100-300 degree C.
Date: June 1946
Creator: Gillies, Daniel M.
open access

The Preparation and Some Properties of UBr3, UBr4, UOBr2 and UO2Br2

Description: An investigation of the preparation and some of the physical properties of UBr3, UBr4, UOBr2 and UO2Br2 has been carried out in order to studey methods of preparing UBr3 and UBr4.
Date: unknown
Creator: Spedding, F. H. (Frank Harold), 1902-; Newton, A. S.; Nottorf, R.; Powell, J. & Calkins, V.
open access

The Conversion of UF4 to U3Os

Description: Methods of conversion of UF4 to U3O8 by fusion with ammonium oxalate dihydrate and other salts are described.
Date: May 28, 1941
Creator: Tevebaugh, A. D.; Tevebaugh, R. D.; Cline, W. D. & Warf, James C.
open access

The Interference of Nickel in the Reduction of Uranium Solutions in the Jones Reduction: a Study of the Effects of Nickel, Cobalt, Manganese, Zinc, Calcium, Magnesium, Aluminum and Sodium Ions upon the Reduction

Description: Nickel interferes seriously with the reduction of uranyl solutions in the Jones reductor. Nickel ion, if added after reduction of a uranium solution has no harmful effect upon the aeration and the titration with standard ceric sulfate solution.
Date: unknown
Creator: Furman, N. Howell (Nathaniel Howell), 1892-1965 & Herberling, J. B.
open access

Unsteady-State Separation Performance of Cascades

Description: This paper is to develop the theory of the unsteady-state behavior of these cascades and to present simple ways of thinking about this behavior
Date: unknown
Creator: Squires, A. N.; Montroll, E.; Melkonian, E.; Picken, F. & Benedict, M.
open access

The Effect of Plutonium on Tissue Metabolism of Rats

Description: When plutonium is introduced into the body either by injection or by intratracheal instillation, there are, in addition to the usual signs of damage to the lymphoid tissues, definite alterations in the metabolism of tissues.
Date: unknown
Creator: Barron, E. S. G.; Abrams, R.; Finkle, R. D. & Rhodes, R. P.
open access

Observations on the Preparation of the Tribromide and Triiodide of Uranium

Description: Uranium Tribromide has been prepared both by the reduction of the tetrabromide with hydrogen at 600-700° C, and by direct union of uranium and bromine at about 580°C. An attempt to prepare the triiodide of uranium by the latter method was unsuccessful
Date: unknown
Creator: Eastman, E. D. (Ermon Dwight), 1891-1945; Fontana, B. J. & Webster, R. A.
open access

Studies of the Hemolytic Effect of Radiation

Description: Evidence is presented indicating that both acute and chronic radiation anemia are due, in part, to a hemolytic reaction, and not solely to an inhibition of erythropoietic activity as has been assumed by most investigations.
Date: unknown
Creator: Schwartz, Samuel; Katz, Elaine J.; Porter, Lillie Mae; Jacobson, Leon E. & Watson, Cecil James

The Electrolysis of Uranium Halides

Description: The electrolysis of tetra- and tri-halides of uranium in fused salt systems at temperatures from 700°-900° C has been investigated. Serious losses are caused by reaction with atmospheric oxygen, refractories and electrode materials.
Date: unknown
Creator: Eastman, E. D. (Ermon Dwight), 1891-1945; Webster, R. A. & Fontana, B. J.
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