About SHIMOKAWA TOSHINARI
About 東京都アイソトープ総研
About NAKAGAWA SEIKO
About 東京都アイソトープ総研
About gamma-ray irradiation
About isopropyl alcohol
About Radiation-chemical reactions
About Irradiation effects and utilization
About 環境保全
About 放射線利用
About 放射線照射
About フロン
About 溶剤
About 分解法
About 開発