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surfactant : 227 phrases in 32 subjects |
| Biochemistry | 1 |
| Bridge construction | 1 |
| Caspian | 1 |
| Chemical compounds | 3 |
| Chemistry | 14 |
| Colloid chemistry | 2 |
| Drilling | 10 |
| Ecology | 1 |
| Electronics | 6 |
| Environment | 1 |
| Firefighting and fire-control systems | 2 |
| Forestry | 1 |
| General | 2 |
| Genetics | 1 |
| Immunology | 1 |
| Makarov | 22 |
| Medical | 9 |
| Nanotechnology | 31 |
| Oil / petroleum | 22 |
| Oil and gas | 14 |
| Oil and gas technology | 8 |
| Oilfields | 8 |
| Perfume | 34 |
| Pharmacy and pharmacology | 2 |
| Physics | 2 |
| Polymers | 3 |
| Sakhalin | 8 |
| Sakhalin R | 1 |
| Technology | 12 |
| Textile industry | 1 |
| Trademark | 1 |
| Weapons of mass destruction | 2 |