Pharmacopeial articles are to be tested by the Membrane Filtration method under test for Sterility of the product to be Examined where the nature of the product permits.
只要其性质许可，这些药品将使用供试产品无菌检查法项下的膜过滤法来检测。
In this paper, the principle, nature and characteristics of membrane separation technology in water treatment are analyzed and summarized.
本文针对水处理中利用膜分离技术的原理、性质、特点等进行了分析总结。
According to different material nature, barrier membrane have different classification and advantages and disadvantages.
根据材料性质的不同，屏障膜材料有不同的分类及优缺点。
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