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    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 206 (1965), S. 1029-1031 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ARTIFICIAL 14C in the atmosphere is produced in nuclear reactions (14N(n,_p)14C) between nitrogen atoms in the air and neutrons liberated in the nuclear explosions. The half-life of 14C is 5,730 40 years1, and the weak ?-activity has a mean energy of 80 keV. The normal specific activity of 14C ...
    Type of Medium: Electronic Resource
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