regulação : 543 phrases in 40 subjects |
Agriculture | 37 |
Automatic control | 1 |
Chemistry | 16 |
Communications | 16 |
Construction | 2 |
Earth sciences | 14 |
Economy | 3 |
Electric motors | 2 |
Electric traction | 14 |
Electrical engineering | 2 |
Electricity generation | 4 |
Electronics | 113 |
Energy industry | 4 |
Environment | 4 |
Finances | 4 |
Fish farming pisciculture | 2 |
General | 33 |
Health care | 1 |
Industry | 14 |
Information technology | 23 |
Insurance | 12 |
Labor law | 3 |
Life sciences | 5 |
Magnetics | 2 |
Mechanic engineering | 78 |
Medical | 10 |
Metallurgy | 12 |
Natural sciences | 6 |
Nuclear physics | 5 |
Patents | 1 |
Power lines | 1 |
Power system protection | 2 |
Procedural law | 2 |
Radio | 3 |
Rail transport | 1 |
Social science | 2 |
Technology | 21 |
Telecommunications | 2 |
Transport | 64 |
Vacuum tubes | 2 |