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| disintegration series | |||
| radioactive family; radioactive series; decay chain; disintegration chain; radioactive chain | |||
| radioactive chain (family); decay series (chain); nuclear series (chain, one of the Ac, Np, Th, or U series, spontaneous transformation) | |||
| transformation family | |||
| radioaktive Zerfallsreihe: 3 phrases in 1 subject |
| Радиоактивное излучение | 3 |