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Neptunium

neptunium

(Science: chemical) Neptunium. A radioactive element of the actinide metals family. It has the atomic symbol np, atomic number 93, and atomic weight 237.

Chemical name: Neptunium


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The Fiber Disease

... fuels for recycling in the '50s, '60s, '70s, and '80s. Uranium extracted from spent nuclear fuels included low levels of transuranics (americium, neptunium, and plutonium), technetium-99, and uranium-236. The gaseous diffusion process concentrates these contaminants in the enriched uranium and ...

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by elmoscubas
Sun Dec 18, 2005 3:30 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 749369


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