请输入您要查询的英文单词:

 

单词 acetoacetic
释义 ˌacetoaˈcetic, a.
[f. aceto- + acetic a.]
acetoacetic acid, an unstable acid, present in traces in urine and in increased amount in the urine of diabetic patients; prepared from acetoacetic ester: a colourless liquid ester, ethyl acetoacetate.
1903Walker & Mott tr. Holleman's Org. Chem. I. 291 Acetoacetic acid..is not of much importance, but its ethyl ester, acetoacetic ester, is a very interesting compound.1956Nature 24 Mar. 545/1 The formation of large amounts of acetoacetic acid CH3{b1}CO{b1}CH2{b1}COOH.1957Technology Aug. 226/2 Another [chapter] on..synthetic reagents includes..acetoacetic and malonic esters.
随便看

 

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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/9/20 6:40:58