悬浮法pvc生产过程中产生的离心母液中含有少量pva等可溶性高分子化合物,采用传统的混凝法和过滤法很难将其有效去除。
The mother liquid from the suspension production of PVC contained a small quantity of solvable polymer, such as PVA. It was difficult to remove PVA by traditional coagulation and filtration method.
方法:采用常规法、培养基稀释法、离心集菌薄膜过滤法对五种解热镇痛类药进行方法验证。
Methods: Routine method, medium diluting method and centrifuging and filtering method were used for the verification of methodology on 5 antipyretics.
方法:采用离心法薄膜过滤法弃除黄藤素片中的抑菌成分。
Methods: the centrifugalization and membrane filtration were used to get rid of the components restraining bacterial from Huangtengsu tablet.
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