对油田含油污水中不同孔径的改性聚四氟乙烯膜的流动电位进行了实验研究。
The electrokinetic phenomena of modified polytetrafluoroethylene membranes in the oily sewage from oil field were investigated by using streaming potential method.
前言：利用氩等离子体对聚四氟乙烯膜进行预处理，经与空气接触后接枝丙烯酸。
In this study, the Polytetrafluoroethylene (PTFE) film was pre-treated by argon plasma and contacted with air before graft with acrylic acid.
目的：探讨国产膨体聚四氟乙烯膜(e PTFE)、几丁质膜的结构及对成骨细胞生长的影响。
Objective: to study the microstructure of e-polytetrafluoroethylene (e-PTFE) membrane and chitin membrane and to observe the growth of osteoblasts on the membrane.
本课题采用悬浮流过滤浓缩技术，以聚四氟乙烯覆膜滤料作为研究对象。
This topic adopt suspension flow filtration concentration technique, PTFE membrane filter material is the research object.
空气阴极中的催化膜由聚四氟乙烯和活性碳混合压辊而成，催化剂根据电解液的酸碱性而选择。
The residual electrolyte after separation flows back to electrolyzer. The catalytic membrane in air cathode is made of teflon and activated carbon through mixing and roll pressing.
聚四氟乙烯板、棒、垫、膜。
本发明提供聚四氟乙烯多孔膜、其制造方法及过滤材料。
The present invention provides a Porous polytetrafluoroethylene membrane and method of producing the same, and filter medium.
防水透声膜(1)优选使用聚四氟乙烯多孔膜或超高分子量聚乙烯多孔膜。
A polytetrafluoroethylene porous membrane or ultrahigh-molecular-weight polyethylene porous membrane can appropriately be used as the waterproof sound passing membrane (1).
防水透声膜(1)优选使用聚四氟乙烯多孔膜或超高分子量聚乙烯多孔膜。
A polytetrafluoroethylene porous membrane or ultrahigh-molecular-weight polyethylene porous membrane can appropriately be used as the waterproof sound passing membrane (1).
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