Nanofiltration membrane separation technology is an effective method for production of high quality drinking water.

纳滤膜分离技术在饮用水制备方面具有独特的作用，是制备优质饮用水的有效方法。

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During experimental process of ultrafiltration-nanofiltration, membrane technology was tested better than original technology in separation and abstraction of oxytetracycline further.

在超滤-纳滤连续性实验中，进一步验证了对土霉素的分离提纯膜分离技术比原树脂脱色效果好。

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