| 单词 | countercurrently |
| 释义 | > as lemmascounterˈcurrently counterˈcurrently adv. in a countercurrent way; in or with opposite directions of flow. ΘΚΠ the world > matter > liquid > liquid flow > action or process of flowing > [adverb] > in or with opposite directions of flow countercurrent1922 countercurrently1930 1930 Industr. & Engin. Chem. Mar. 221/2 Cooling is effected by the cold extract flowing countercurrently in its passage from the extract tank to the preheater. 1935 Industr. & Engin. Chem. Oct. 1213/1 Consider a series of n of these ideal exchangers working countercurrently. 1976 Sci. Amer. Dec. 31/2 (caption) Its height was needed so that process streams of organic and aqueous solutions could flow countercurrently by gravity through extraction columns. < as lemmas |
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