 |
| radioactive material: 131 phrases in 22 subjects |
| Astronautics | 2 |
| Aviation | 1 |
| Diplomacy | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Energy industry | 5 |
| General | 2 |
| Geology | 1 |
| Geophysics | 1 |
| Makarov | 4 |
| Medical | 2 |
| Military | 11 |
| Nuclear and fusion power | 2 |
| Nuclear chemistry | 13 |
| Nuclear physics | 26 |
| Oil / petroleum | 1 |
| Oil and gas | 3 |
| Security systems | 1 |
| Technology | 8 |
| Transport | 1 |
| United Nations | 1 |
| Радиоактивное излучение | 43 |