Polymer membrane Recently, polymer membranes made from polyamides and polysulfones have taken the place of cellulose acetate, at least for ultrafiltration.
聚合物膜近年来，由聚酰胺和聚砜制成的聚合膜至少在超滤时已取代了纤维素醋酸酯。
OBJECTIVE To predict and evaluation the possibility of skin permeability of drug through the artificial membrane made of BPJ-10 polymer.
目的用BPJ 10高分子材料制备的人工膜评价并预测药物透过皮肤的可行性。
Specifically, water to be processed is subjected to membrane separation after being added with particles made of a cationic polymer which swells but does not substantially dissolve in water.
在被处理水中添加由在水中溶胀、实质上不溶解于水的阳离子性聚合物构成的粒子，对被处理水进行膜分离处理。
Specifically, water to be processed is subjected to membrane separation after being added with particles made of a cationic polymer which swells but does not substantially dissolve in water.
在被处理水中添加由在水中溶胀、实质上不溶解于水的阳离子性聚合物构成的粒子，对被处理水进行膜分离处理。
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