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Procedures for the Separation of Products Resulting From Bombardment of Heavy Elements

Description: Technical report that attempts to bring together the various chemical procedures which proved most useful in studying the results of cyclotron bombardment or small scale neutron bombardments of heavy element targets. The report is limited to the elements of the "actinide", or second rare earth series, starting with thorium and including the newly discovered elements of atomic number 95 and 96. Every attempt is made to include all details necessary so this report can serve as a practical labora… more
Date: September 23, 1946
Creator: Thompson, Roy
Partner: UNT Libraries Government Documents Department
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A Homogeneous High Temperature Power Pile Utilizing Graphite Which Has Been Impregnated With Uranium

Description: Thermal reactors that have a significant fraction of fissioning occurring just above thermal energies are studied. First, the thermal neutron diffusion equation is corrected for fast fission effects. The resulting diffusion equation is shown to be equivalent to the Fermi Age equation corresponding to the same physical assumptions. Next, the one delayed neutron group kinetic equations for the corrected thermal flux are given, and the life time of the thermal neutron is corrected by the average s… more
Date: August 23, 1946
Creator: Daniels, F.
Partner: UNT Libraries Government Documents Department
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Fabrication of Ceramic Shapes

Description: Abstract: "This report indicates some of the methods employed at Los Alamos for the fabrication of refractory products."
Date: December 23, 1946
Creator: Mullen, Terence & Taub, James M.
Partner: UNT Libraries Government Documents Department
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Voltage Regulator for Electroplating Control

Description: This report describes an instrument used for electrolytic separation. It was one of four instruments previous used and improved, yet lacked details until now. The instrument's design and operation is described herein.
Date: December 23, 1946
Creator: Rogers, Lockhard Burgess & Pickle, C. B.
Partner: UNT Libraries Government Documents Department
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The Metabolism of Thorium, Protoactinium, and Neptunium in the Rat

Description: From abstract: "The distribution of carrier-free thorium, protoactinium and neptunium in the rat following intramuscular and oral administration has been studied. Oral adsorption for all three is negligible. Following parenteral administration, the skeleton is the organ showing the highest degree of prolonged and selective localization."
Date: August 23, 1946
Creator: Lans, H.; Scott, E. G.; Crowley, J. & Hamilton, J. G.
Partner: UNT Libraries Government Documents Department
open access

Thin Oblique Airfoils at Supersonic Speed

Description: "The well-known methods of thin-airfoil theory have been extended to oblique or sweptback airfoils of finite aspect ratio moving at supersonic speeds. The cases considered thus far are symmetrical airfoils at zero lift having plan forms bounded by straight lines. Because of the conical form of the elementary flow fields, the results are comparable in simplicity to the results of the two-dimensional thin-airfoil theory for subsonic speeds" (p. 267).
Date: May 23, 1946
Creator: Jones, Robert T.
Partner: UNT Libraries Government Documents Department
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