The invention relates to a preparation method of a positive charge filtering material and application thereof.

本发明涉及一种荷正电荷过滤材料的制备方法及其应用；

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This paper talks about the material and application of the roller which is used in roller kilns, and the condition of the roller in our country.

本文论述了辊道窑用棍棒的材质、应用以及我国棍棒业的现状。

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The invention provides a novel environment-friendly composite material and application thereof, and belongs to the technical field of material preparation.

本发明提供一种新型环保复合材料及其应用，属于材料制备技术领域。

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The Berlin-based startup's high quality app is the first educational application with both comprehensive and affordable learning material for iPad users that facilitates entertaining and multi-media language learning any time, any place.

ENGADGET: Babbel launches subscription-based language learning program for iPad

Potential female candidates were approached directly and encouraged to apply, and Sport Wales changed the wording of its application material to try to make it more "gender-friendly".

BBC: Legislation possible for 40% women on public boards

The CCRC said it looked at more than 50 individual points raised by Stone's lawyers in application and carried out a "substantial amount" of fresh forensic testing on material from the crime scene.

BBC: Michael Stone