regeneration: 99 phrases in 21 subjects |
Agriculture | 19 |
Chemistry | 4 |
Communications | 2 |
Construction | 4 |
Earth sciences | 3 |
Economy | 3 |
Electronics | 4 |
Environment | 19 |
General | 7 |
Information technology | 9 |
Law | 3 |
Life sciences | 2 |
Materials science | 2 |
Mechanic engineering | 1 |
Medical | 10 |
Metallurgy | 1 |
Patents | 1 |
Social science | 2 |
Statistics | 1 |
Transport | 1 |
Waste management | 1 |