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.
通过施 涂由阳离子带电聚合物组合物形成的涂层或薄膜赋予这种性能。
Such properties are imparted by applying a coating or film formed from a cationically-charged polymer composition.
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