| 1. | A minimum of six air changes per hour is suggested
建议每小时最少换气6次。 |
| 2. | A method of determining air change rates in detached dwellings
独立住宅空气交换率测定方法 |
| 3. | With approval , airflow may set back to 6 air changes per hour when space is unoccupied
如经过同意，当实验室无人时，可以将换气量降为6次每小时。 |
| 4. | Standard test method for determining air change in a single zone by means of a tracer gas dilution
用示踪气体稀释法测定单区内空气变化的标准测试方法 |
| 5. | Thermal insulation in buildings - determination of air change in buildings - tracer gas dilution method
建筑物隔热.建筑物中换气率的测定.示踪气体稀释法 |
| 6. | Thermal insulation in buildings - determination of air change in buildings - tracer gas dilution method
建筑物的隔热性.建筑物中空气流通性的测定.示踪气体稀释法 |
| 7. | Dilution of bioload by having air flowing from lower to higher risk areas with sufficient air change rates
确保有足够的换气率将空气由低风险区流向高危区以稀释空气中的微生物含量 |
| 8. | 3 there shall be 10 air changes per hour of ventilation in wet laboratories and 8 air changes per hour of ventilation in dry laboratories
化学实验室空气换风量至少为10次每小时，仪器室至少为8次每小时。 |
| 9. | Thermal performance of buildings - determination of air change in buildings - tracer gas dilution method iso 12569 : 2000 ; german version en iso 12569 : 2000
建筑物热性能.建筑物中空气变化测定.示踪气体稀释法 |
| 10. | Directly measuring the levels is usually not the best way to do it , explains environmental consultant christopher vancantfort , because indoor air changes so frequently
环境顾问范坎佛解释道，直接测量浓度不是最好的办法，因为房子里的空气经常变化。 |
