The present invention provides a Porous polytetrafluoroethylene membrane and method of producing the same, and filter medium.
本发明提供聚四氟乙烯多孔膜、其制造方法及过滤材料。
The device used for realizing the water treatment method comprises a water pump, a pretreatment device, a security filter and a nanofiltration membrane separating device.
实现该水处理方法的设备包括水泵、预处理装置、保安过滤装置、纳滤膜分离装置。
Describes a comprehensive assessment method by fuzzy mathematics, and gives an example showing how to select best microporous membrane filter materials.
采用模糊数学综合评价的方法，对几种新型过滤材料—覆膜滤料的性能进行综合评价，以便于优化选择。
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