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1 Jan 1914 Jahr - In 1914 T. W. Richards found variations between the atomic weight of lead from different mineral sources, attributable to variations in isotopic composition due to different radioactive origins
Zugefügt zum Band der Zeit:
History of isotopes
By
Jack
6 Nov 2019
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0
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Datum:
1 Jan 1914 Jahr
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~ 111 years ago
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