| 单词 | electrostatic precipitation |
| 释义 | > as lemmaselectrostatic precipitation Categories » electrostatic precipitation n. see precipitation n. 9. electrostatic precipitation 9. The removal and deposition of dust or other particulate matter from suspension in a gas, esp. by the application of a unidirectional electric field (more fully electric precipitation, electrical precipitation, electrostatic precipitation). ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > precipitation > from a gas or solute precipitation1908 1908 F. G. Cottrell U.S. Patent 895,729 2/1 The gases or vapors containing the suspended particles enter the precipitation chamber A through pipe B. 1912 Metall. & Chem. Engin. 10 686/2 Electrical precipitation of suspended particles. 1918 U.S. Patent 1,264,510 1/2 I propose to separate the phosphorus pentoxid solids by electrostatic precipitation. 1920 Whittaker's Electr. Engin. Pocket-bk. (ed. 4) 651 The Electric Precipitation of Smoke and Fumes. 1944 W. Morgan in R. Greenhalgh Pract. Builder ix. 317/2 The articles are plated with zinc by electrical precipitation. 1974 Encycl. Brit. Macropædia IV. 161/1 Electrostatic precipitation is a method for the precipitation of fogs. 1992 D. M. Muir Dust & Fume Control (rev. ed.) ii. 4 Conditioning..might involve increasing the humidity of a dry gas stream to assist precipitation of a difficult dust. 2001 Heating, Piping, Air Conditioning (Nexis) 1 Apr. 59 The first section of the unit provides for electric precipitation of particles and gives 90-percent filtration of 1-micron particles. < as lemmas |
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