About NAGAOKA TOSHI
About 原研
About MORIUCHI SHIGERU
About 原研
About SAKAMOTO RYUICHI
About 原研
About SAITO KIMIAKI
About 原研
About TSUTSUMI MASAHIRO
About 原研
About solid scintillation detector
About Measuring methods and instruments of natural radioactivity
About 球形
About NaI
About Tl
About シンチレーション検出器
About 屋内
About 宇宙線
About 線量率
About 簡便
About 測定法