Methodology and problems in analysis of trace elements. Activation analysis.
D000201:Activation Analysis; D003365:Costs and Cost Analysis; D004782:Environmental Health; D055593:Geological Phenomena; D005844:Geology; D012987:Soil / Q000032:analysis; D014131:Trace Elements / Q000032:analysis*; D014867:Water / Q000032:analysis
D012987:Soil; D014131:Trace Elements; D014867:Water