 |
| unsteady- state: 71 phrases in 19 subjects |
| Astronautics | 7 |
| Combustion gas turbines | 1 |
| Energy industry | 3 |
| Firefighting and fire-control systems | 1 |
| Makarov | 5 |
| Mathematics | 3 |
| Metallurgy | 2 |
| Metrology | 1 |
| Nanotechnology | 16 |
| Nautical | 2 |
| Oil / petroleum | 3 |
| Oil and gas | 7 |
| Oil and gas technology | 2 |
| Oilfields | 4 |
| Quality control and standards | 2 |
| Refrigeration | 1 |
| Seismology | 2 |
| Technology | 8 |
| Thermal engineering | 1 |