The membrane can be used for concentrating ethanol from dilute ethanol-water mixture through pervaporation process owing to its alcohol-permselective properties.
通过对低浓度乙醇-水渗透蒸发
研究,表明该膜是一种性能较好
新型优先透醇膜。
The membrane can be used for concentrating ethanol from dilute ethanol-water mixture through pervaporation process owing to its alcohol-permselective properties.
通过对低浓度乙醇-水渗透蒸发
研究,表明该膜是一种性能较好
新型优先透醇膜。
This research discovered that soil pondage of level terrace were less than fallow sloping filed because of crops’ absorbing and using, and evaporation.
发现由于作物对梯田土壤水分吸收利用,以及蒸发散
原因,导致水平梯田
土壤贮水量比休闲坡
小。
Passive and Hybrid Downdraught Cooling, which rely on natural cooling processes based on water evaporation and solar power, are now technically viable in many parts of the world.
依靠水蒸发和太阳能被动及混合倒风制冷技术目前在世界上大部分
方得到了广泛应用。
When the vapor emanated from the skin surface can not easily permeate to the air, it will form a high humidity region between the skin and the fabric which makes people feel mugginess and discomfort.
当人体皮肤表面散热蒸发水汽不易透过织物陆续排
,
会在皮肤与织物之间形成高湿区域,使人感到闷热不适,因而服用织物尤其是内衣,必须具备良好
吸湿透湿性能。
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