The paper gives a detail presentation of the dewatering mechanism of air-pressure filtration on air blowing stage.
详尽介绍了气压过滤在压气吹干阶段的脱水机理。
To control the respiratory infection, some measures are taken such as ward negative pressure control, reasonable air distribution and high efficiency exhaust air filtration, obtaining better effects.
针对控制呼吸道传染病的要求，采用了房间负压控制、合理的气流分布、高效过滤排风等技术，取得了较好的效果。
The particles in air were collected on the surface of the organic filtration, which was digested by microwave method under high pressure to prepare the sample solution.
用有机滤膜采集空气中颗粒物样品，用微波高压络合消解后制成样品溶液。
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