Since the method used in this method is well sealed, the effect of moisture in the air on the reagent can be prevented.
由于这种方法所用的池瓶密封好，可以防止空气中的水分对试剂的影响。
The invention relates to a waterproof air and moisture permeable microporous film, a three-layer composite material and a preparation method and application thereof.
本发明涉及一种新的具有防水透气透湿功能的微孔膜及三层复合材料及其制备方法与用途。
On the basis of analyzing mass exchange process between porous saline materials and air, the computational method of the moisture exchange rate on the porous saline materials surface is established.
为提高喷淋室热湿交换效率并降低系统能耗，通过理论分析和实验方法对空调系统设计、空调设备改造和空调系统节能运行等方面进行研究。
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