 |
|
radiation source : 97 phrases in 24 subjects |
| Air defense | 3 |
| Construction | 2 |
| Ecology | 3 |
| Energy industry | 12 |
| General | 2 |
| Genetics | 1 |
| Geophysics | 6 |
| Makarov | 13 |
| Mass media | 1 |
| Medical | 6 |
| Metallurgy | 1 |
| Military | 5 |
| Nanotechnology | 5 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Oilfields | 2 |
| Physics | 7 |
| Politics | 2 |
| Radiation | 1 |
| Radioengineering | 3 |
| Radiography | 3 |
| Solar power | 1 |
| Space | 2 |
| Technology | 14 |