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   English
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actinium emanation
chem. Aktinon n; Aktinium-Emanation n; Aktiniumemanation n
nucl.phys., радиоакт. Actinon n (An, 219Rn)
радиоакт. Actiniumemanation f (An, 219Rn, An, 219Rn)
 English thesaurus
actinium emanation
abbr. Em219