 |
| sulfur compounds: 33 phrases in 12 subjects |
| Chemical industry | 1 |
| Chemistry | 1 |
| Ecology | 1 |
| Energy industry | 1 |
| General | 1 |
| Makarov | 6 |
| Nanotechnology | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 15 |
| Polymers | 2 |
| Technology | 2 |
| Weapons of mass destruction | 1 |
|
| sulfur compounds: 33 phrases in 12 subjects |
| Chemical industry | 1 |
| Chemistry | 1 |
| Ecology | 1 |
| Energy industry | 1 |
| General | 1 |
| Makarov | 6 |
| Nanotechnology | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 15 |
| Polymers | 2 |
| Technology | 2 |
| Weapons of mass destruction | 1 |