 |
| |||
| ozonizing; ozonolysis | |||
| ozone treatment | |||
| ozonization (oxidation and disinfection by ozone) | |||
| ozonation; ozone treatment (воды); ozonization | |||
| озонирование: 11 phrases in 8 subjects |
| Chemistry | 1 |
| Construction | 3 |
| Ecology | 1 |
| Energy industry | 1 |
| Food industry | 1 |
| Makarov | 1 |
| Polymers | 2 |
| Water supply | 1 |