英语词汇“surfactant”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

surfactant

释义

surfactant Chem.|səˈfæktənt|
[f. initial elements of surface-active adj. s.v. surface n. 6 d + -ant¹.]
A surface-active agent. Also attrib.
1950American Dyestuff Reporter XXXIX. 379/3 A new word, Surfactants, has been coined by Antara Products, General Aniline & Film Corporation, and has been presented to the chemical industry to cover all materials that have surface activity, including wetting agents, dispersants, emulsifiers, detergents and foaming agents.1959Times 7 Dec. (Agric. Suppl.) p. vii/1 Since the war, various growth supplements have been recommended, including arsenic acid supplements, surfactants..hormones and antibiotics.1967New Scientist 28 Sept. 686/2 They propose that a process of solubilization takes place under the influence of a surfactant—a substance which lowers the surface tension of water.1968Gloss. Formwork Terms (B.S.I.) 25 Surfactant (surface-active agent, activating agent, deprecated), a chemical which lowers the surface tension of water. Note. Surfactants are used in mould oils to reduce the occurrence of blowholes in the concrete face.1972Daily Colonist (Victoria, B.C.) 27 Feb. 24/7 Doctors believe hyaline membrane..is an unwanted substitute for a totally or partially missing ‘surfactant’ membrane that in normal babies keeps the lungs from collapsing.1979Enhanced Oil Recovery (Shell Internat. Petroleum Co.) 5 Injection of water containing surfactants (soap-like chemicals) into the reservoir can lower the oil/water interfacial tension very substantially..and therefore mobilize the oil held by capillary forces.

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