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1 jan 1941 ano - Glenn Seaborg

Descrição:

Glenn Seaborg discovers plutonium.
The U.S. Committee on X‑ray Protection recommends adoption of maximum body burden of 0.1
microCurie for radium.
L.S. Taylor recommends lowering the x‑ray exposure dose to 0.02 Roentgens/day.

Adicionado na linha do tempo:

Radiation Timeline

ByJayden
10 jun 2018
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784

Data:

1 jan 1941 ano
Agora
~ 84 years ago

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