 |
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| high-purity | |||
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| reference grade (вещества) | |||
| high purity | |||
| high clean grade (Konstantin 1966) | |||
| высокой степени чистоты: 14 phrases in 7 subjects |
| Astronautics | 1 |
| Chemistry | 1 |
| Gas processing plants | 1 |
| Nanotechnology | 1 |
| Polymers | 1 |
| Technology | 8 |
| Weapons of mass destruction | 1 |