rayons gamma: 199 phrases in 25 subjects |
Astronautics | 10 |
Aviation | 1 |
Biology | 2 |
Chemistry | 3 |
Construction | 5 |
Electronics | 1 |
Food industry | 1 |
Forestry | 1 |
Geology | 15 |
High energy physics | 2 |
Measuring instruments | 2 |
Mechanic engineering | 1 |
Medical appliances | 9 |
Metallurgy | 8 |
Military | 1 |
Natural resourses and wildlife conservation | 1 |
Nuclear physics | 25 |
Oil and gas technology | 17 |
Physics | 12 |
Radio | 4 |
Surveying | 1 |
Technology | 12 |
Welding | 1 |
Дозиметрия | 7 |
Радиоактивное излучение | 57 |