 |
parts per million by volume
of gas in air
| parts per million by volume | |
| abbr. | ppbv |
| abbr. O&G, casp. | ppmv |
| |||
| ppbv (MichaelBurov) | |||
| ppmv (raf) | |||
| ppmv (MichaelBurov) | |||
| parts: 8 phrases in 4 subjects |
| Abbreviation | 4 |
| Information technology | 1 |
| Military | 2 |
| Telecommunications | 1 |