cation membrane meaning in English

阳离子隔膜

B . cation membrane is further immersed in salt water to effect contraction
（ 2 ）阳膜经浸水膨胀后再浸入食盐水中再收缩。
They are plasticated on two rool mills set on nylon web and laminated into pe cation - exchange membrane ( hereinafter referred to as cation membrane ) and pe anion - exchange membrane ( hereinafter referred to as anion membrane )
换树脂以聚乙烯为粘合剂，经混炼拉片，用尼龙网布增强热压而成聚乙烯阳离子交换膜（简称阳