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shielding : 500 phrase in 41 subjects |
Air defense | 9 |
Animal husbandry | 1 |
Architecture | 3 |
Automobiles | 15 |
Aviation | 11 |
Cables and cable production | 3 |
Chemistry | 8 |
China | 2 |
Communications | 1 |
Construction | 4 |
Ecology | 5 |
Electric machinery | 8 |
Electronics | 75 |
Engineering geology | 1 |
Environment | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 2 |
Geophysics | 1 |
Hydroelectric power stations | 13 |
Information technology | 4 |
Medical | 1 |
Metallurgy | 34 |
Multimedia | 1 |
Nautical | 2 |
Nuclear and fusion power | 7 |
Nuclear physics | 2 |
Oil / petroleum | 6 |
Physics | 1 |
Piezoelectric crystals | 1 |
Plastics | 3 |
Polymers | 3 |
Project management | 1 |
Rail transport | 9 |
Refrigeration | 1 |
Shipbuilding | 2 |
Space | 23 |
Superconductivity | 1 |
Technology | 220 |
Telecommunications | 2 |
Textile industry | 3 |
Wind Energy | 8 |