 |
| particle density: 44 phrases in 14 subjects |
| Electronics | 5 |
| Energy industry | 1 |
| Forestry | 2 |
| Makarov | 2 |
| Military | 1 |
| Nanotechnology | 6 |
| Natural resourses and wildlife conservation | 2 |
| Nuclear physics | 4 |
| Occupational health & safety | 1 |
| Physics | 4 |
| Sakhalin | 2 |
| Technology | 1 |
| Дозиметрия | 9 |
| Радиоактивное излучение | 4 |