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-水透蒸发试验研究，表明该是一种性能新型优先透醇。

Some advice regarding chlorinity expressing measure and assessment method in the chloride ion permeability test is proposed.

并对混凝土氯透性试验氯浓度表示和评价方法提出建议。

Studied the water flowing characteristics in gangue used as water-gravel-mixed filling material from one Uranic mine.

摘要利用某铀矿尾矿作为水砂充填料水流特性研究，针对不同粒度试样，进行常水头透试验。