ionisation : 309 phrases in 27 subjects |
Agriculture | 1 |
Antennas and waveguides | 13 |
Astronomy | 7 |
Chemistry | 16 |
Communications | 4 |
Earth sciences | 108 |
Electronics | 14 |
Environment | 5 |
Food industry | 4 |
General | 8 |
Health care | 6 |
Industry | 1 |
Information technology | 2 |
Materials science | 2 |
Measuring instruments | 56 |
Medical | 3 |
Metallurgy | 1 |
Natural sciences | 12 |
Nuclear physics | 9 |
Physical sciences | 4 |
Physics | 3 |
Radio | 9 |
Radiology | 8 |
Semiconductors | 1 |
Statistics | 2 |
Technology | 7 |
Transport | 3 |