Science, Том 119John Michels (Journalist) American Association for the Advancement of Science, 1883 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 31
... radioactive isotopes found useful in human diseases . Radioactive phos- phorus ( P32 ) , produced through bombardment of stable P31 or S32 by neutrons , with a half life of 14.3 days , is considered the agent of choice in the treat ...
... radioactive isotopes found useful in human diseases . Radioactive phos- phorus ( P32 ) , produced through bombardment of stable P31 or S32 by neutrons , with a half life of 14.3 days , is considered the agent of choice in the treat ...
Стр. 51
... radioactive tracers in many fields of physical , chemical , and biological investigation was recognized very soon after the discovery of natural radio- activity . Not , however , until the nuclear reactor made the production of many ...
... radioactive tracers in many fields of physical , chemical , and biological investigation was recognized very soon after the discovery of natural radio- activity . Not , however , until the nuclear reactor made the production of many ...
Стр. 431
... radioactivity of the body . These methods record especially all alpha - par- ticle emitting elements accumulated in the body under the individually given conditions . They include the main radioactive elements and their decay products ...
... radioactivity of the body . These methods record especially all alpha - par- ticle emitting elements accumulated in the body under the individually given conditions . They include the main radioactive elements and their decay products ...
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