放射性 同位 素 : 184 phrases in 28 subjects |
Agriculture | 4 |
Animal husbandry | 2 |
Automobiles | 1 |
Aviation | 2 |
Biotechnology | 1 |
Chemistry | 8 |
Dermatology | 3 |
Desert science | 1 |
Earth sciences | 14 |
Ecology | 3 |
Electronics | 18 |
Energy industry | 1 |
Engineering geology | 1 |
General | 5 |
Geology | 1 |
Geophysics | 4 |
Life sciences | 2 |
Medical | 1 |
Metallurgy | 8 |
Nautical | 1 |
Nursing | 4 |
Oil / petroleum | 10 |
Reproductive biology | 2 |
Space | 7 |
Surgery | 4 |
Technology | 74 |
Water resources | 1 |
Wind Energy | 1 |