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

摘要利用某铀尾水砂充填料的水流特性研究，针对不同粒度的试样，进行常水头透试验。

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

并对混凝土氯离子透性试验的氯离子浓度表示和评法提出建议。

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-水的透蒸发的试验研究，表明该膜是一种性能较好的新型优先透醇膜。