title: [Measurement and applications of radon-222 in natural water (II). For earthquake prediction (author's transl)].
mesh_terms: D004190:Disasters; D005618:Fresh Water / Q000032:analysis*; D008722:Methods; D011883:Radium / Q000032:analysis; D011886:Radon / Q000032:analysis*; D012588:Scintillation Counting; D012987:Soil / Q000032:analysis; D014501:Uranium / Q000032:analysis; D014867:Water / Q000032:analysis*
chemical_list: D012987:Soil; D014867:Water; D014501:Uranium; D011886:Radon; D011883:Radium