A new concept of the microcosmic analysis method and the macroscopic analysis method are proposed to investigate the pressure drop of the dynamic filtration of filters.
提出用于建立过滤层非稳态过滤压力损失模型的微观分析法和宏观分析法新概念。
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。
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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