The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.

Ethopabate is prepared via esterification, acylation and alkylation from p-aminosalicylic acid in 87.

以对氨基水杨酸为原料,经酯化 、 酰化和烃化反应得乙氧苯酯,总收率为87.

A quick and convenient method was used for controlling esterification endpoint.

并提出一种快速、简易的反应终点控制方法.

The esterification of xylitol and oleic acid was studied.

研究了木糖醇和油酸的酯化反应.

Results Optimum conditions of esterification were determined with yield of 94.6 %.

结果在优化反应条件下,酯的收率最高达94.6%.

The rate of hydrolysis is for the most part significantly lower than the esterification rate.

多数情况下水解速度较酯化速度低得多.

Cation exchange resin ( strong acid type ) is used as esterification catalyst.

用强酸型阳离子交换树脂作催化剂合成乙酸乙酯.

A new type of lauric acid's continuous esterification process is introduced.

介绍了一种新颖的脂肪酸乙酯常压连续生产工艺流程.

Both the free hydroxyl groups readily undergo esterification.

两个自由羟基,都容易酯化.

The catalytic esterification activity of a series of activated bentonites were characterized.

本文研究了一系列活化膨润土的酯化催化活性.

Trichloroacetic acid was esterified by acid and methanol and FID detector was used.

用浓硫酸、甲醇酯化三氟乙酸,氢火燃检测器检测.

There were much high esterified pectin the, which caused cloudy and sediment of Prunus mume juice.

青梅中含有大量的高度酯化果胶, 是造成青梅汁浑浊的主要原因.

The results indicated that the esterified yield was above 97 % under the appropriate reaction conditions.

结果表明,在最适宜的反应条件下,酯化率在97%以上.

In a multiple-step procedure, the extracted mucopolysaccharide is esterified to mucopolysaccharide polysulfate.

经过一系列多步骤的程序, 萃取的粘多糖被酯化成多磺酸粘多糖(MPS).

This study the utilization of modified starch in foods and the manufacture technology of phosphate-esterified starch.

本课题着眼于变性淀粉在食品中的应用,研究了磷酸酯淀粉生产工艺.

The relative content of methyl and the relative content of methyl oleate the methanol-esterified diosgenin product.

经甲酯化后皂素产品中十六酸甲酯的相对含量为8.2%,油酸甲酯的相对含量为10.5%.

So Mordecai went away and did everything as Esther had said.

于是末底改照以斯帖一切所吩咐的去行.

Ann Landers is her twin Sister, Esther'Eppie'Friedman.

安·兰德斯是她的孪生妹妹, 真名叫埃丝特·'爱贝'·弗里德曼.

Esther herself , less accustomed to self-command, was getting too much agitated for calm observation of another.

爱丝特本人素来不常有 自制 的能力, 神经紧张得不能再安静地观察旁人了.

Esther used to visit him for the occasional days and weekends.

埃丝特过去会偶尔在周末或别的日子来探望他。

Then she said, in her naturally stern way of speaking, " This is Esther, sir. "

接着她又用素来的那种严肃口吻说: “ 先生,这就是埃丝特. ”