Sterilization by filtration is subject to one major theoretical limitation.
过滤灭菌具有一个理论上的局限性。
A complete system can include many levels of pretreatment, filtration, polishing and sterilization.
一个完整的系统可以包括预处理，过滤，抛光，消毒等。
Filtration and sterilization mechanism, manufacture technics and method, performance and application status of this new air filtration material (filter) are introduced in detail in this paper.
本文详细介绍了这种新型空调过滤材料(器)的过滤和灭菌机理、制备工艺和方法、性能及应用情况。
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