418 resultados para CC0
Resumo:
"August 1960."
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"Contract No. AT(40-1)-Gen-133."
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"February 15, 1956."
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Originally presented as the authors' Master of Science thesis to the University of Arkansas, 1957.
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"U.S. Atomic Energy Commission Contract AT(29-1)-1106."
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"U.S. Atomic Energy Commission Contract AT(29-1)-1106."
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Previously published data was used for an empirical study of critical arrays of slab and cylindrically shaped vessels interacting through water. These vessels contained an aqueous solution of UO₂F₂ and the U²³⁵ isotopic enrichment was greater than 90%. Approximate isolation thicknesses of water for each of the above two cases is given.
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A study is made of the preferred orientation that occurs as a result of cross-rolling uranium sheet. The study is made by the use of inverse-pole figures and calculated thermal expansion coefficients.
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"U.S. Atomic Energy Commission Contract AT(29-1)-1106."
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An investigation was performed to determine the possibility of canning thorium in an inexpensive and convenient manner that would allow it to be rolled without creating a health physics hazard. The most suitable method was found to be a hot dip in aluminum at 800° C.
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"U.S. Atomic Energy Commission Contract AT(29-1)-1106."
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"U.S. Atomic Energy Commission Contract AT(29-1)-1106."
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The generation of heat due to the radioactive decay of plutonium in the form of plutonium dioxide stored in wooden containers is considered. The results of two experiments in which plutonium dioxide is placed inside wooden blocks and the temperature rise measured at various points is reported. Heat transfer calculations are then performed to show that the data obtained are those which would be expected, i.e., that Fourier's Law adequately describes the situation. The heat build up in a proposed wood moderated shipping container is calculated, using some of the assumptions verified in the described experiments.
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A spectrographic-photometric procedure has been developed for the determination of cesium in plutonium metal.
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Large-grained alpha plutonium has been prepared by slow solidification of melts under pressure of about 60 kbars. The technique opens the way to produce single crystals of alpha plutonium, and to obtain basic information previously unattainable.