 |
| |||
| period of decay | |||
| mean life; average life (of a radionuclide or radioactive material); transmutation period; transformation period; decay period; disintegration period; transmutation time; transformation time; decay time; disintegration time; lifetime | |||
| période de désintégration: 5 phrases in 2 subjects |
| Nuclear physics | 1 |
| Радиоактивное излучение | 4 |