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ac/h (refusenik); air exchange rate (The rate at which outside air replaces indoor air in a given space. Found on  epa.gov Alexander Demidov); ACH (Air changes per hour, or air change rate, abbreviated ACH or ac/h, is a measure of the air volume added to or removed from a space (normally a room or house) divided by the volume of the space. If the air in the space is either uniform or perfectly mixed, air changes per hour is a measure of how many times the air within a defined space is replaced. wikipedia.org refusenik) | |||
| number of air exchanges | |||
| air change rate (по наружному воздуху); rate of air circulation; number of air change; air exchange rate | |||
| air changes (MichaelBurov); air change | |||
| air change coefficient; air changes per hour (по наружному воздуху); air exchange rate (The rate at which outside air replaces indoor air in a given space. Found on – АД epa.gov) | |||
| air change per hour | |||
| rate of air change | |||
| air-exchange rate | |||
| number of air changes | |||
| air changes per hour | |||
| ventilation rate (встречается в таком значении; только для перевода на русский: For a house with a typical North American 8-ft (2.44-m) ceiling height, the recommended minimum ventilation rate is then 0.28 air changes per hour (h-1). escholarship.org) | |||
| кратность воздухообмена: 12 phrases in 6 subjects |
| Construction | 1 |
| Production | 2 |
| Refrigeration | 1 |
| Sakhalin | 5 |
| Technology | 1 |
| Ventilation | 2 |