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(gamma ray)
(X-ray) 10-13 10-7
10-13
Paul Villard)
0.1nm 10-5 nm
radioactivity)
radioisotope elements)
Henri Becquerel, 1852-1908)
,
Explorer XI CGRO
2
1
1.1
fibrosis of the lung) leukemia) cataracts)
1.2 chromosome)
1. time of exposure )
3. shielding)
Recommended