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。

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Study on microparticle in ice cores is very important because it can reflect the change of the atmospheric dust loading.

冰芯微粒的研究对反映大气粉尘变化具有重要意义。

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Change in atmospheric density and temperature plus dust loading. But be aware that the planet's spin and orbit are being modified.

大气密度和温度的变化加上尘埃负荷。但是要意识到地球的自转和轨道处于不断的修正中。

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