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。
2
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。
3
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.