查询词典 dicarboxylic acid

Product 11 was transformed to the 2,6-difluoropyridine-4-carboxylic acid (12; 87%) by consecutive halogen/metal permutation and carboxylation.

产品11个，转化为2，6 -二氟- 4 -羧酸（12； 87％）的连续卤素/金属置换和羧化。

Dihydroxybenzoic acid was prepared by carboxylation of resorcinol in solvent under under atmospheric pressure was studied.

研究了间苯二酚常压羧化法制备2，6-二羟基苯甲酸。

This paper mainly aims to investigate the 2,3-cresotic acid s composion by carboxylation and its pilot-plant test.

酚类的羧化反应早期常采用固相直接羧化法，70年代国外逐步改用溶剂悬浮羧化法。

Preferably the resin contains at least one acidic group and more preferably at least one carboxylic acid group.

最好的树脂至少包含一个酸性组和更多的最好至少一羧酸组。

NEW CARBOXYLIC ACID DERIVATIVES, THEIR PREPARATION AND THEIR USE

新的羧酸衍生物，其制备和应用

Building block of proteins; containing an amino group and a carboxylic acid group.

组成蛋白质的基本单位，含有一个氨基和一个羧酸基。

Fat A triglyceride of a long-chain carboxylic acid that is solid below 20℃.

脂肪：一种长链羧酸的甘油三酯，20℃以下为固态。

In alternate embodiments, a combination of mineral and organic carboxylic acids such as citric acid are employed.

在供选择的实施方案中，可以采用无机酸和有机羧酸如柠檬酸的组合物。

They are formed by a reaction of hydrogen peroxide and some compounds con- taining a carboxylic acid group.

他们是由一个过氧化氢和一些化合物CON组，泰宁羧酸基团反应。

An especially preferred metal chelating group is a carboxylic acid group.

一个特别的首选金属螯合组是羧酸组。

Wenxing consistently adheres to the principle of "trict Management,All Member Participation,Quality First,Users Foremost" and follows the business philosophy of excellent quality,highly active and pursue excellence,thus outdoing its counterparts in terms of technology,production scale and administration.

文兴一贯秉承&严格管理、全员参与、质量第一、用户至上&的企业方针，遵循优质、高效和追求卓越的经营理念，从而实现在技术上、规模上、管理上处于同行领先地位。

The left atrium of the guinea pigs was innervated by the two afferent system.

豚鼠左心房受心脏的两个传入系统的双重支配。