ester是什么意思

短语搭配

(1)methyl ester甲基酯；甲酯

(2)ester bond酯键

(3)organic ester有机酯

双语例句

(1)Ester refers to the product of esterification of alcohol with carboxylic acid or inorganic oxygen-containing acid in organic chemistry.

酯是指有机化学中醇与羧酸或无机含氧酸发生酯化反应生成的产物。

(2)Esters formed by higher fatty acids and higher alcohols are the main components of wax.

高级脂肪酸和高级醇形成的酯是蜡的主要成分。

(3)Esters are widely found in nature.

酯广泛存在于自然界。

(4)The invention relates to the application of elaidic acid ethyl ester.

本发明涉及到反油酸乙酯的应用。

(5)Archaean cell walls lack murein, and their lipids have ether links rather than ester links.

古细菌的细胞壁缺乏胞壁质，其连接是醚连接而不是酯连接。

(6)This complex reaction is characterized by a keto-enol tautomerism equilibrium and ester exchange reaction.

该复杂反应的特征在于酮-烯醇互变异构平衡和酯交换反应。

(7)When prepared as a dietary supplement, retinol is stabilized as the ester derivatives retinyl acetate or retinyl palmitate.

当制成膳食补充剂时，视黄醇稳定为乙酸视黄酯或棕榈酸视黄酯的酯衍生物。

(8)The influence factors on the pre-emulsion stabilization of D4-propenoic acid ester are discussed by using the mono-factor method.

采用单因素法探讨了影响 D4-丙烯酸酯乳液预乳液稳定性的因素。

同根词

词根 ester

(1)esterify vi. 酯化vt. 使酯化

释义

n.

Chemistry an organic compound made by replacing the hydrogen of an acid by an alkyl or other organic group. Many naturally occurring fats and essential oils are esters of fatty acids.

【化】 酯。

类似拼写词

ester n. 酯

enter v. 进入；开始卷入；参与；写入；输入；录入；加入；上场；穿透

词源

"mid 19th cent.: from German, probably from a blend of Essig ‘vinegar' and Ather ‘ether’."