 |
| |||
| ambient radiation; background radiation | |||
| background (radiation) | |||
| background | |||
| |||
| beta background; β background | |||
| fond de rayonnement: 26 phrases in 10 subjects |
| Environment | 1 |
| Health care | 2 |
| Life sciences | 1 |
| Medical | 1 |
| Medical appliances | 2 |
| Natural sciences | 1 |
| Nuclear physics | 13 |
| Remote sensing | 1 |
| Technology | 1 |
| Радиоактивное излучение | 3 |