网站首页  词典首页

请输入您要查询的字词:

 

单词 propionic acid
释义 pro·pi·on·ic acid AHD[prō'pē-ŏnʹĭk] D.J.[ˌprəʊpiːˈɒnɪk]K.K.[ˌpropiˈɑnɪk]n.(名词)
  1. A liquid fatty acid, CH3CH 2COOH, found naturally in sweat, in milk products, and as a product of bacterial fermentation. Prepared synthetically from ethyl alcohol and carbon monoxide, it is used chiefly in the form of its propionates as a mold inhibitor in bread and as an ingredient in perfume. Also called propanoic acid 丙酸:一种含脂肪的液态酸,化学式为CH3CH 2COOH,能在汗液和奶制品中被找到,是细菌发酵的产物,由酒精和一氧化碳合成,主要用途是以丙酸盐的形态作为面包中的霉菌抑制剂以及香水配料 也作 propanoic acid
Etymology语源
    1. From Greek pro- [first] * see pro- 2源自 希腊语 pro- [第一个] * 参见 pro-2
    1. Greek piōn [fat (from the fact that it is first in order among the fatty acids)] * see peiə- 希腊语 piōn [脂肪(来源于它在脂酸中排列第一的事实)] * 参见 peiə-
随便看

 

英汉汉英双解词典收录301015条英汉双解翻译词条,可根据汉字查询相应的英文词汇,基本涵盖了全部常用汉字的英文读音、翻译及用法,是英语学习及翻译工作的有利工具。

 

Copyright © 2000-2024 Cibaojian.com All Rights Reserved
更新时间:2024/11/26 18:30:19