| 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. |
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
相关内容：
相关热词搜索：surfactant英英词典英英释义英语词汇意思用法释义英语
字词 牙萤光屏检查 释义 【医】 dental fluoroscopy 汉译英翻译词典收录405719条汉英翻译词条......