Electret airfiltermaterial has superior filter performance, so it is considered as ideal filter material for coal-dust stained yarn.
驻极体空气过滤材料具有优良的过滤性能，是治理“煤灰纱”的理想过滤材料。
2
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。
3
A filter media for an active field polarized media air cleaner comprises two layers of dielectric material, and a high-impedance permeable net is sandwiched in the low-impedance dielectric layer.