73 resultados para 1106


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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.

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A carrier distillation spectrochemical method has been successfully adapted to direct reading spectrometry. Direct reading techniques have been developed for the rapid analyses of aluminum in plutonium peroxide to demonstrate the capability of direct reading for process impurity control.

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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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Mode of access: Internet.

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"U.S. Atomic Energy Commission Contract AT(29-1)-1106."

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This report contains a compilation of critical extrapolations of subcritical neutron multiplication measurements made on assemblies of plutonium metal tamped with Plexiglas.

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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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A device called the alpha angle adjuster has been developed by the Rocky Flats Plant, Division of the Dow Chemical Company, that enables linear measurements to be made perpendicular to almost any curved surface.

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A laboratory investigation was made to explore the use of Dowex 1 for the removal of chromate ion from neutral solution. It was found that chromate ion is sorbed by Dowex 1 under a variety of conditions.

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"U.S. Atomic Energy Commission Contract AT(29-1)-1106."

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Ammonium diuranate has been precipitated from nitric acid solutions by the addition of anhydrous ammonia on both laboratory and production scales. This process produced more dense and more rapidly filtered precipitates than those formed by the addition of aqueous ammonia or slurried calcium hydroxide. The filtrates from the anhydrous ammonia process were lower in uranium content than those obtained by the addition of the other reagents. Processing equipment and precipitate characteristics are discussed.