About TSUNOYAMA YUICHI
About TOSAKI MITSUO
About ISOZUMI YASUHITO
About 日本放射線安全管理学会学術大会講演予稿集
About polonium isotope
About alpha source
About ion irradiation
About ion
About helium
About CR-39
About irradiation device
About polonium-210
About helium ion
About Radiation sources,irradiation equipment
About Po
About α線源
About セル
About He
About イオン照射