источник α-излучения: 137 phrases in 21 subjects |
Astronomy | 9 |
Aviation | 3 |
Chemistry | 2 |
Cinema equipment | 4 |
Construction | 1 |
Electronics | 2 |
General | 5 |
Geology | 1 |
High energy physics | 14 |
Medical | 4 |
Medical appliances | 2 |
Microelectronics | 13 |
Military | 12 |
Missiles | 8 |
Nuclear and fusion power | 11 |
Nuclear physics | 13 |
Optics branch of physics | 15 |
Polymers | 2 |
Quantum electronics | 5 |
Technology | 9 |
Радиография | 2 |