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famille radioactive
| de
| l
| actinium
| famille radioactive | |
| chem. | decay chain; decay series; disintegration series |
| earth.sc. | radioactive family; radioactive series |
| Dé | |
| earth.sc. | Dec |
| dé | |
| hobby | dice |
| l | |
| tech. | Length |
| actinium | |
| environ. | actinium |
| |||
| decay chain; decay series; disintegration series | |||
| radioactive family; radioactive series | |||
| radioactive chain (family); decay series (chain); nuclear series (chain, one of the Ac, Np, Th, or U series, spontaneous transformation) | |||
| famille radioactive: 48 phrases in 1 subject |
| Радиоактивное излучение | 48 |