carboxylic group
羧基：一种有机化合物中的官能团
常用释义
英式发音
美式发音
基本释义
- 羧基：一种有机化合物中的官能团，由一个碳原子、一个氧原子和一个羟基组成，通常表示为-COOH。
例句
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1·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。
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2·The results show the product has high content of carboxylic group, good corrosion inhibition effect and high corrosion inhibition rate.试验结果表明产品羧基含量较高，阻垢效果良好。
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3·The thermodynamic parameters of carboxylic group and titrable phenolic hydroxyl group of humic acid are similar to that of simple hydroxy-benzoic acid.腐植酸的羧基和可滴定的酚羟基在热力学性质上同简单的羟基苯羧酸相似。
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4·With increasing the content of hydrophilic carboxylic group, the strength and stability of gels increase, while the stimuli-responsive capability of gels decreases.随着亲水性羧酸基团含量的增多，凝胶体系的强度和结构的稳定性提高，对外界的刺激响应逐渐减弱。
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5·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。
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6·The thermosensitivity of gels have a mechanical relaxation transition region which become more clearly with the increase of the content of carboxylic group, and thermosensitivity of gels increase.凝胶的温敏性变化有一个力学松弛转变区，随着羧酸基团含量的增加，松弛转变区愈发明显，凝胶的温敏性也逐渐增强。
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7·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。
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8·A group of polyamides formed by the condensation between an amino group of one molecule and a carboxylic acid group of another.一类由一个分子的氨基与另一个分子的羧酸基之间，缩合而生成的聚酰胺。
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9·An adhesive composition includes a curable resin and a porphyrin derivative, in which the porphyrin derivative has at least one carboxylic acid group that is typically pendant from the porphyrin ring.粘合剂组合物包括可固化树脂和卟啉衍生物，其中卟啉衍生物具有通常从卟啉环伸出的至少一个羧酸基团。
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10·In this paper several extractants containing a thioether group and another group such as carboxylic acid, ester or amide were synthesized.本文合成了分子中含有硫醚基团和另一个基团如羧酸、酯、酰胺的萃取剂。