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- Air change rate measurement for a newly renovated office with VRV system. Tracer gas (SF6) is used along with multipoint gas sampler and analyzer. 透过少量追踪气体（六氟化硫），配合多点气体采样及分析仪器，对使用可变换冷冻能力系统的新装修办公室作出换气量的测量。
- According to the simulation,it is the best condition of CRE in clean room when air change rate is 55 per hour,and the conclusion provides a theoretic basis for engineering design. 通过模拟对比,得出在换气次数为55次时,房间的排污效率最好;并为工程设计提供了一定的理论依据。
- This paper analyzes and simulates the effect of the air change rate per hour (ACH) on contamination diffusion airflow field in turbulent clean-room of hole-board ventilation by using CFD. 摘要针对孔板送风的乱流洁净室，运用CFD软件对不同换气次数条件下的气流组织和污染物扩散进行数值模拟分析。
- Discussion on Air Change Rate of Turbulent Flow Clean rooms 乱流洁净室换气次数的讨论
- A Method of Determining Air Change Rates in Detached Dwellings 独建式住宅空气交换率测定方法
- air change rate(ACR) 换气量
- air change rate 换气率,通风换气次数
- Export have benefit from the fall in the ex change rate. 汇率的下跌是出口授意。
- Export has benefit from the fall in the ex - change rate. 汇率的下跌是出口授意。
- Export have benefit from the fall in the ex- change rate. 汇率的下跌是出口授意。
- This rugged diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. 这种结实的隔膜将空气变化的损耗减少到最小程度，确保了系统更长的无故障的使用寿命。
- The endothelins had no correlation with LDL-C and the change rate of brachial artery bore induced by reactive hyperemia. 内皮素与低密度脂蛋白胆固醇和反应性充血肱动脉内径变化率之间无相关性。
- The range of the vortex also has impact on the perturbation kinetic energy and its change rate. 而扰动涡旋的范围对扰动动能的大小与变化也存在一定的影响。
- Water vapour in the air changes to waterdrops on the surfaces of these objects. 空气中的水蒸气变成小水滴附着在这些物体表面。
- The distant roosters began to crow and the air changed and the dawn was coming. 远处的公鸡开始叫唤，天气也变了，黎明快到了。
- Hydraulic conductivity has great effect on advective mass flux, and change rate of diffusive mass flux. 渗透系数对对流通量的大小、扩散通量的变化速度的影响较大；
- There is an effect of lunisolar precession on the measures of the period and period change rate of pulsars. 摘要脉冲星周期和周期变率的测量中存在着日月岁差效应。
- Automobile inner decoration, Air change tube,Switch, Air-condition vent grill, Damping system, Garden tools, Power tools housings, Electronic weigher etc. 汽车内饰件、换气管、开关、空调出风格栅、减震器、园艺工具、电动工具壳体，电子称等。
- With help of this relation, the duration of exsolution and the change rate of mineralizati... 推导了出溶物厚度与过饱和度、生长温度及生长时间的关系；
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
