... 2.0.11 机柜采样 cabinet sampling 2.0.12 换气次数 air change rate 房间送风量/房间体积，单位为次/h。 ...
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Especially discusses the ways of choosing a proper air change rate.
讨论了换气次数的正确选取方法。
Analyzes the effects of indoor dust loading and of fresh air rate to the air change rate in turbulent flow clean rooms.
分析了乱流洁净室净化空调设计中室内发尘量和新风比对换气次数的影响。
A reason for this is that RH buffering by materials is feeble and short lived compared with temperature buffering when the air change rate is large.
原因是当空气交换量大时，和热缓冲材料相比湿度缓冲材料的功能较弱，而且寿命不长。
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