• Proposed is a process for purification of yellow humic acid by heterophase cation-exchange membrane. After electrophoresis, its purity was up to 95% and recovery, 88.47%.

    研究了一种新的提纯工艺方法,采用异相离子交换进行黄腐酸的电渗析提纯,黄腐酸经电渗析纯度可达95% ,收率为88.47% ;

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  • And cation exchange membrane only allow cationic through, does not allow anionic through.

    阳离子交换允许阳离子透过允许阴离子透过。

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  • The membrane potential of shaly sand was influenced by the cation exchange capacity, hydrocarbon saturation and concentration difference of the contacted solutions.

    研究结果表明,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密切相关。

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  • The measured results revealed the various adsorption behaviors of cation and anion exchange membranes, and showed membrane area resistance dependence upon electrolyte solution concentration.

    在此基础上揭示阳离子交换阴离子交换膜对离子的不同吸附特性以及电阻电解质溶液浓度依存特性。

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  • The extract was decolored and desalted by using anion and cation exchange resin. The desalted liquid was filtered with an ultrafilter membrane.

    阴阳离子交换柱去除杂质,同时起到一定脱色作用,进而运用滤进行澄清。

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  • The extract was decolored and desalted by using anion and cation exchange resin. The desalted liquid was filtered with an ultrafilter membrane.

    阴阳离子交换柱去除杂质,同时起到一定脱色作用,进而运用滤进行澄清。

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