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12 Matching Results
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12
High Energy (d,p) Reactions
None
Date:
March 1, 1954
Creator:
Slater, L. M.
System:
The UNT Digital Library
Film Boiling of Flowing Subcooled Liquids
None
Date:
June 1, 1954
Creator:
Motte, E. I.
System:
The UNT Digital Library
Preparation of Metallic Titanium by Film Boiling
None
Date:
April 1, 1954
Creator:
Petersen, A.W.
System:
The UNT Digital Library
The Meson Mass Ratio and Energy Balance in Pi-Mu Decay
None
Date:
March 1, 1954
Creator:
Birnbaum, W.
System:
The UNT Digital Library
An Orifice Plate Pulse Column for Liquid-Liquid Extraction
A study was made of the performance of an orifice plate pulse column which is essentially a spray column containing internal constrictions in the form of orifices. The chemical system studied was acetic acid-waterhexone, and the variables considered were pulse frequency, throughput, phase continuity, and direction of solute transfer. For comparison purposes, several runs were made with a conventional spray column. Curves are presented showing the effect of the column variables on the column efficiency (HTU). The trends observed are explained as being due principally to the competing effects of the area for mass transfer and back-mixing. Photographs of a typical column section show qualitatively the effect of the important column variables. (auth)
Date:
August 23, 1954
Creator:
O'Brien, D. C.
System:
The UNT Digital Library
Nuclear Scattering of High Energy Neutrons and the Optical Model of the Nucleus
None
Date:
June 1, 1954
Creator:
Taylor, T. B.
System:
The UNT Digital Library
The Solubility of Hydrogen in Non-Polar Solvents
None
Date:
January 14, 1954
Creator:
Cook, M. W.
System:
The UNT Digital Library
Thermal Conductivity of Gases at High Temperatures
None
Date:
January 1, 1954
Creator:
Rothman, A. J.
System:
The UNT Digital Library
Internal Conversion of Gamma Radiation in the L Subshells
None
Date:
March 30, 1954
Creator:
Passell, T. O.
System:
The UNT Digital Library
Energy Absorption in Bone
None
Date:
January 1, 1954
Creator:
Friesen, B. S.
System:
The UNT Digital Library
Electron Impact Broadening of Spectral Lines
None
Date:
January 1, 1954
Creator:
Kivel, B.
System:
The UNT Digital Library
STUDIES IN THE NUCLEAR CHEMISTRY OF PLUTONIUM, AMERICIUM, AND CURIUM AND MASSES OF THE HEAVIEST ELEMENTS
Ion exchange column elution methods for the separation of americium and curium using tartrate and lactate solutions have been developed which are superior to citrate elutions. Tartrate elutions are suitable for slow separations and lactate elutions are satisfactory for general use where rapid separations are required. Fission and spallation products were isolated from Pu{sup 239} targets which had been bombarded with alpha particles of 21 to 37 Mev energy. Fission yield curves as well as fission and spallation excitation functions are presented and discussed in terms of odd-even and Z{sup 2}/A effects. The high cross sections observed for the (a, 2n) and (a, p2n) reactions were surprising results from this investigation. In the course of the Pu{sup 239} bombardments, studies of the decay schemes of Am{sup 240}, Cm{sup 240}, and Cm{sup 241} were undertaken. Decay energy and half-1ife information on all of the transmercury nuclides has been collected and systematized. Trends on the energy surface for alpha energies, beta energies, nucleon binding energies, and Bohr-Wheeler parameters are presented. These energy systematics have led to a complete tabulation of the masses of the isotopes of the elements above mercury. Predictions of nuclear properties are included for some isotopes of elements 99 …
Date:
April 20, 1954
Creator:
Glass, Richard Alois
System:
The UNT Digital Library