在薄膜上加上一层离子交换树脂。
This is to employ an ion-exchange resin in addition to the membranes.
研究结果表明，泥质砂岩薄膜电位与岩石阳离子交换容量、含油气饱和度、接触溶液浓度差密切相关。
The membrane potential of shaly sand was influenced by the cation exchange capacity, hydrocarbon saturation and concentration difference of the contacted solutions.
用匀胶机将其做成薄膜固定在钾离子交换玻璃光波导表面，研制出一种光波导氯化氢气体传感器。
A glass optical waveguide (OWG) hydrogen chloride gas sensor was fabricated by coating a thin film of CR-PVA on the surface of ion-exchanged glass OWG with spin coating.
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