959 resultados para Epistemology of Biology


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"TID-4500 ; Biology and Medicine."

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"TID-5764."

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Because the use of filters to sample particulate matter suspended in the upper atmosphere has been investigated and has yielded rather disappointing results, an examination of other methods of upper atmospheric sampling is desirable, and this is the aim of the present report. The nature of any radioactive material, and its relation to the size and composition of the suspended particles is of particular interest.

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"June 24, 1960."

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"Supported by Division of Biology and Medicine, U.S. Atomic Energy Commission, research contract AT (11-1) 1264."

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Brookhaven National Laboratory [operated by] Associated Universities, Inc. under contract with the U. S. Atomic Energy Commission.

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Mode of access: Internet.

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Mode of access: Internet.