Description:
This study was undertaken to learn more about the behavior of graphite above 30°C with the hope that the results would contribute to the understanding of radiation damage and yield data of engineering value.
Description:
After bombardment with deuterons, Li metal was dissolved with dilute acid. From this solution Be7 was precipitated as Be(CH)2 on Fe carrier using NH4CH. The contaminates remained in the filtrate. After repeated precipitations in the presence of appropriate holdback carriers, the Fe was extracted with iso-propyl ether, leaving the pure Be7 solution.
Description:
The attenuation curve of the deuterons stripped from He3 has been measured with a Faraday cup. The corresponding curve at 190 Mev was fit by assuming that the deuterons were monoenergetic, with three processes taking place.
Description:
The root locus method of the treatment of stability problems in the field of servomechanisms is briefly summarized. A simple mechanical instrument of the analogue type (a summing device) containing no gear mechanisms, and designed to do most of the numerical work of the root locus method, is also described.
Description:
A calculation method has been developed in order to correlate continuous-flow extraction results in mixer-settlers with rate data for batch experiments. This correlation utilizes dynamic extraction coefficients (E's) that are calculated from the rate data and the equilibrium extraction coefficients. The dynamic coefficients may then be used in stage-by-stage calculations, or their average values used in equations derived herein from the overall performance of center-fed columns.
Date:
August 10, 1953
Creator:
Hicks, T. E.; Rubin, B. & Vermeulen, Theodore
Description:
Abstract. Various effects of spheroidal nuclear distortion on the alpha decay process are considered theoretically. Differential equations governing alpha decay in the region beyond the maximum nuclear radius are derived. They consist of ordinary radial Schrodinger equations for alpha decay to various nuclear states with the addition of quadrupole interaction terms coupling the various equations. The significance of wave amplitudes of various angular momentum alpha groups as Fourier components …
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Description:
This report discusses the National Park System that includes 391 diverse units administered by the National Park Service (NPS) of the Department of the Interior. Units of the system generally are managed to preserve resources in their natural or historical conditions for the benefit of future generations.
Description:
This report discusses fees for grazing private livestock on federal lands that is a long-standing but contentious practice. Generally, livestock producers who use federal lands want to keep fees low, while conservation groups and others believe fees should be increased.
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