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单词 filtration
释义
filtration
Physics

  • The process of separating solid particles using a filter. In vacuum filtration, the liquid is drawn through the filter by a vacuum pump. Ultrafiltration is filtration under pressure; for example, ultrafiltration of the blood occurs in the nephrons of the vertebrate kidney.

Chemistry

  • The process of separating solid particles using a filter. In vacuum filtration, the liquid is drawn through the filter by a vacuum pump. Ultrafiltration is filtration under pressure.

Chemical Engineering

  • A process in which a suspension of solid particles in a liquid or a gas are separated. The process uses a filter, which is a material used to entrap the particles. The rate of filtration can be increased by using a vacuum to draw the gas or liquid through, such as in the process of vacuum filtration, or the use of pressure to force the liquid through the filter, such as ultrafiltration.

Biology

  • The process of separating solid particles using a filter. In vacuum filtration, the liquid is drawn through the filter by a vacuum pump. Ultrafiltration is filtration under pressure; for example, ultrafiltration of the blood occurs in the nephrons of the vertebrate kidney.

Geology and Earth Sciences

  • Essentially, the removal of solid matter from liquids. Filter systems may be physical, mechanical, biological, chemical, or electrokinetic.
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