 |
| |||
| half-life of radiactivity | |||
| radioactivity half-life | |||
| half-life; radioactive halflife; period (of decay); half-value period; physical half-life (contrary to biological halflife, of a radionuclide or particle); decay period; disintegration period; radioactive half-period | |||
| период радиоактивного полураспада: 14 phrases in 7 subjects |
| Ecology | 1 |
| Geophysics | 2 |
| Makarov | 3 |
| Metrology | 1 |
| Military | 2 |
| Nuclear physics | 2 |
| Радиоактивное излучение | 3 |