|
gamma-rays : 373 phrases in 22 subjects |
| Agriculture | 66 |
| Analytical chemistry | 4 |
| Automated equipment | 4 |
| Biology | 4 |
| Chemistry | 2 |
| Communications | 1 |
| Construction | 6 |
| Dosimetry | 31 |
| Earth sciences | 12 |
| General | 3 |
| High energy physics | 5 |
| Measuring instruments | 7 |
| Medical | 1 |
| Medical appliances | 14 |
| Metallurgy | 5 |
| Natural sciences | 1 |
| Nuclear physics | 60 |
| Radiation | 121 |
| Radiography | 22 |
| Radiology | 1 |
| Technology | 2 |
| United Nations | 1 |