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   English
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actinium emanation
chem. actinon m; émanation d'actinium
nucl.phys., радиоакт. actinon m (An, 219Rn)
радиоакт. émanation de l'actinium (An, 219Rn, An, 219Rn)
 English thesaurus
actinium emanation
abbr. Em219