Affiliation:
1. Kusakidai 4-12-13, Iwaki City, 972-8301 Japan
Abstract
Abstract
In the early history of radiochemistry in Japan Yoshio Nishina and Kenjiro Kimura were internationally known for their discovery of symmetric nuclear fission of uranium. They also succeeded in getting U-237, which is an (n+1) series (neptunium series) nuclide, from U-238 by fast neutron irradiation. Kimura was an excellent leader of the radiochemical analysis of Bikini ashes in 1954. The results of that analysis contributed to the improvement of environmental radioactivity in the world. A tragic story of Nobuo Yamada working at the Radium Institute is related. The start of radiochemistry symposia in Japan is described.
Subject
Physical and Theoretical Chemistry
Cited by
2 articles.
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1. Living in Fear: Nuclear Films;Visualizing Nuclear Power in Japan;2020
2. The Beginnings of Atoms for Peace in Japan;Visualizing Nuclear Power in Japan;2020