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1·In the roots, there were carboxylic acid ester and alkane.

而茅莓根的主要化学成分是有机酸酯和烷烃。

2·Carboxylic acid esters are important chemical raw materials.

羧酸酯是重要的化工原料。

3·The esterification mechanism of unsaturated carboxylic acid was analyzed.

分析了不饱和羧酸酯化反应的机理。

4·Sulfuric acid is main catalyst for the synthesis of carboxylic acid esters.

羧酸酯的合成主要用硫酸作催化剂，但这种催化剂有许多缺点。

5·The reduction of carboxylic acid is an important reaction in organic chemistry.

羧酸的还原是有机化学中的重要反应。

6·A series of novel liquid crystalline aromatic carboxylic acid compounds are synthesized.

合成了一系列新的液晶性芳香羧酸化合物。

7·The effect of potassium borohydride on ester and carboxylic acid reduction was introduced.

研究了硼氢化钾对酯和羧酸的还原作用。

8·Inductive effect causes electron density of Carboxylic cardon atom in Carboxylic acid to change.

诱导效应可使羧酸中羧基碳原子的电子云密度发生改变。

9·The paper introduces the catalyst research advances in esterification reaction of carboxylic acid.

本文介绍了羧酸酯化反应催化剂的研究进展。

10·In the reaction, some aniline is completely oxidized to CO2 or partially oxidized to carboxylic acid.

在反应中有一部分苯胺被完全氧化或部分氧化成CO2或羧酸。