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1 janv. 1941 - Glenn Seaborg

Description:

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.

Ajouté au bande de temps:

Radiation Timeline

ByJayden
10 juin 2018
0
0
726

Date:

1 janv. 1941
Maintenaint
~ Il y a 84 ans

Les images:

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