英语释义

• relating to or containing the carboxyl group or carboxyl radical

片语

Carboxylic COOH羧酸

carboxylic salt羧酸盐

carboxylic complex羧酸根配位

carboxylic serials羧酸系

carboxylic amide羧酰胺

carboxylic monomer羧基单体

carboxylic esters羧酸酯

carboxylic acid[有化] 羧酸

carboxylic efficiency羧化效率

carboxylic ester羧酸酯

英汉例句

• Among these components, 17 of which were identified as benzene carboxylic acids and phenolic acids by using GC-MS analysis and by comparing with authentic compounds.

  其中17个组分经色谱-质谱分析，并用标準化合物进行对照，确定是多元苯羧酸类和酚酸类化合物。

• There are two general methods for the formation of peptide bond, i. e. amino activation or carboxylic group activation.

  形成肽键的基本方法，可以活化氨基也可以活化羧基，但是迄今为止普遍使用的都是活化羧基的方法。

• The distribution of carboxylic group were determined by conductance titration and affected by the concentration of surfactant, the volume fraction and the amount of methyl acrylic acid.

  同时，用电导滴定法测定了乳胶粒表面羧基的含量，探讨了乳化剂浓度、羧酸含量及内相比对羧基分布的影响。

• CH 2 groups were replaced by NH or o and vice versa, nitro groups became carboxylic acids and amides, OH groups became fluorine atoms; the list is extensive.

  甲烷2组改为NH或O和反之亦然，硝基成为羧酸和酰胺，OH基团成为氟原子，该名单是广泛的。

• The study results showed that a type of carboxylic acid with better dispersion can be synthesized by the way of change of the ratio of the different side-chains.

  实验结果表明：通过调整聚羧酸共聚物中不同侧链的比例使其具有最佳的分散性。

• Thermal-oxidative stability of poly (vinyl chloride) (PVC) by carboxylic ester rare earth salt (CERES) has been studied during thermoexidativeageing in static condition in air.

  用热烘法研究了羧酸酯稀土（CERES）对聚氯乙烯（PVC）的热氧稳定作用。

• Both infrared spectroscopy (IR) and X-ray photoelectron spectroscopy (XPS) show that carboxylic acid groups have been introduced onto the carbon black surface.

  红外光谱及X光电子能谱表明，臭氧氧化在碳黑表面引进了羧基基团。

• Europium and terbium rare earth complexes with tetra carboxylic acid were successfully prepared in aqueous solution.

  摘要在水溶液中合成了铕和试的四元羧酸稀土配合物。

• Analyzed characteristics were the PEO side chain length, the degree of backbone polymerization, the composition of functional groups such as carboxylic and sulfonic groups, and the purity of polymers.

  主要剖析的特性为：聚氧化乙烯(PEO)支链的长度，主链聚合的水平，各功用组如羧基组和磺酸基组的成分以及聚合物的纯真度。

• 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。

• However, it has many disadvantages, so the development of new types of catalysts with high efficiency is an important subject in the field of synthesis of carboxylic acid esters.

  因此，开发新型高效催化剂是羧酸脂合成领域的一个重要课题。

• The behavior of acrylic acid (AA) in emulsion copolymerization and characteristics of carboxylic latex were investigated.

  研究了丙烯酸的乳液共聚合行为和羧基胶乳的特性。

• In this paper, the synthesis, characterization and the catalytic performance of the coordinated polymers constructed by the flexible or rigid carboxylic ligands were studied.

  本文对柔性、刚性有机羧酸配体的新型金属-有机配位聚合物的合成、表征及催化性能进行了研究。

• Under the catalysis of eerie ammonium nitrate, hydrazides can be oxidized to a large amount of carboxylic acids by sodium bromate.

  在硝酸铈铵催化下，酰肼可被溴酸钠氧化成羧酸。本方法具有试剂价廉、反应迅速、操作简便、产率较高的特点。

• The results indicate that the properties of the metal ion in complex have multiple effects on the hydrolysis of carboxylic ester.

  研究表明，金属离子的性质对羧酸酯水解过程的影响是全方位的。

• The results of application evaluation indicate that this mixed carboxylic ester is a kind of flotation agent for coal preparation with good performance.

  经应用评价结果表明，该羧酸混合酯是一种性能优异的选煤浮选剂。

• In the complex, crystaled water, uncoordinated sulfonic oxygen, and uncoordinated carboxylic oxygen are connected by hydrogen bonds so as to form a three dimensional network structure.

  配合物中，结晶水、未配位磺酸基氧以及未配位的羧基氧之间通过氢键相连，形成三维网状结构。

• 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。

• The results showed that a type of carboxylic acid with better dispersion could be synthesized by the way of changing the ratio of the different side-chains.

  实验结果表明：通过调整聚羧酸共聚物中侧链链长的比例使其具有最佳的分散性。

• Chemical structure, mechanism, performance characteristics of JM-PCA (I) carboxylic high range water reducing agent and its application in high performance concrete are presented.

  本文介绍JM PC A (I)聚羧酸系高效减水剂的化学结构、作用机理、性能特点及其高性能混凝土的应用。

• They are usually prepared from equivalent amounts of glycols and dibasic carboxylic acids, which undergo condensation polymerization to produce the polyester and water.

  通常由等当量的甘醇和二元羧酸制备，它们经过聚合作用而生成聚酯和水。

• 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。