Procedure to obtain samples for the determination of environmental radioactivity. Part 1: Soils, not deep layers.
获取环境放射性测定样品的程序 第1部分:土壤 而非深层

2002-01-14

Procedure to obtain samples for the determination of environmental radioactivity. Analytical methods. Part 3: Determination of 89Sr and 90Sr concentration in soils and sediments.
获取环境放射性测定样品的程序 分析方法 第3部分:土壤和沉积物中89Sr和90Sr浓度的测定

2004-12-17

Procedure for the maintenance and preparation of soil samples for the determination of environmental radioactivity.
环境放射性测定用土壤样品的维护和制备程序

2002-03-21