 |
| |||
| isotope arising from radioactive decay (disintegration); isotope resulting from radioactive decay (disintegration) | |||
| radiogenic isotope | |||
| радиогенный изотоп: 6 do fraz, 4 tematyki |
| Energia jądrowa i termojądrowa | 1 |
| Geologia | 1 |
| Pospolicie | 1 |
| Радиоактивное излучение | 3 |