Preparation and application of unsymmetrical ceramic microporous membrane modified by the growth of naa zeolite 专利:一种沸石生长调控大孔载体制备微滤或超滤复合膜的方法。
At the same time , the microporous membrane made by stretching method was characterized , and the effect of the choice of pore morphological model upon the determination of the pore size and its distribution was discussed 同时对聚丙烯微孔膜进行了表征,重点讨论了孔模型的选择对表征结果的影响;并简要地阐述了微孔膜结构与性能的相关性。
The extraction techniques are generalized under three categories : the supported liquid membrane extraction ( slme ) and microporous membrane liquid - liquid extraction ( mmlle ) based on flat membrane and the liquid phase microextraction ( hflpme ) based on hollow fiber membrane 其应用概括起来分为以下3类:以扁平膜为基础的支撑液膜萃取( slme )和微孔膜液液萃取( mmlle ) ,以中空纤维膜为基础的液相微萃取( hflpme ) 。
The progress in the study of the structure control of asymmetric microporous membrane is reviewed , with the emphasis on the effects of the type and molecular weight of additives , the composition of polymer solution and the processing conditions on the structure of the microporous membrane 摘要综述了近年来在微孔膜的非对称性结构控制方面的研究进展,重点介绍了添加剂种类和摩尔质量、聚合物组成和制膜工艺等对微孔膜非对称结构的影响。
The machine is stainless steel multilayer frame filter . it is fit for enclosed filter in liquids with concentration 50 % , low viscosity and little slag so as to meet precision filter and half - precision filter requirements like refining , sterilization and clarification . by directly using microporous membrane , material can achieve aseptic filtration without passing microporous membrane filter 本机为不锈钢多层板框式过滤机,适用于浓度50 %以下粘度较低,含渣量较少的液体作密闭过滤以达到提纯,灭菌、澄清等精滤、半精滤的要求,直接选用微孔滤膜,可不经微孔薄膜过滤器过滤可达到无菌过滤之目的。