carboxyl

[kɑ:'bɔksil]

n. 羧基

词形变化：

形容词: carboxylic |

a.

【化】羰基(-COOH)

carboxyl

词形变化：

形容词: carboxylic |

carboxyl[kɑ:'bɔksil]n.1.■【化学】羰基

1. [as modifier](Chemistry)of or denoting the acid radical —COOH, present in most organic acids
   (化)羧基
   the carboxyl group.
   羧基。
   

1. mid 19th cent.: from carbo- + ox- 'oxygen' + -yl
   

carboxyl

名词 carboxyl:

the univalent radical -COOH; present in and characteristic of organic acids

同义词：carboxyl group

形容词 carboxyl:

relating to or containing the carboxyl group or carboxyl radical

同义词：carboxylic

carboxyl

■2 - carboxyl - 4' - nitrvlnaminobenzenedia - zoaminoazobenzene

2-羧基-4’-硝基苯基重氮氨基偶氮苯

■CL 9270 can react with reactive group of carboxyl line of polymers and the cross-linking starts and occurs, especially during the finished film drying.

CL 9270交联剂能与聚合物的“碳基酸链上的反应键”起反应，并产生交联作用，特别是在干燥成膜的过程中。

■Since CMC consists of long, fairly rigid molecules that bear a negative charge due to numerous ionized carboxyl groups, electrostatic repulsion causes its molecules in solution to be extended.

CMC由长且刚性的分子组成,由于大量电离的羧基,这种刚性分子存在负电荷。

■C terminal(carboxyl terminal)

C端, 羧基端

■carboxyl terminal repeating heptamer

C端重复七肽

■The F2/F1 cleavage site in carboxyl terminus of F2 protein is Lys -Pro -Ala -Ser -Arg, which is similar to that of Murayama virus (Lys -Pro -Thr -Ala -Arg).

F2蛋白羧基端裂解位点区的氨基酸残基序列为Lys-Pro-Ala-Ser-Arg。

■The particle size also gets smaller with the increase of carboxyl content and carboxyl neut...

MMA/ST质量比的变化对粒径影响不明显。

■The SG copolymer can react efficiently with the amide and carboxyl group of PA6 as well as the hydroxyl group of PPO in blending process, resulting into graft copolymer.

SG共聚物能够有效地与尼龙6分子链端的胺基、羧基和聚苯醚分子链端的羟基发生反应，生成接枝共聚物。

■The hydroxyl and carboxyl,belonging to auxochromic groups,were oxidized into the carbonyl and ester groups.

[方法]通过对刺槐木材变色前后丙酮抽出物的定性分析,得出变色前后丙酮抽出物的主要成分,进行对比分析,初步得出抽出物对诱发变色的作用。

■A Kind of CdS Nanocluster with Free Carboxyl Groups on Its Surface

一种表面具有自由羧基的CdS纳米团簇

■Having three carboxyl groups.

三羧基的分子内含有三个羧基的

■The melamine, the methylol carboxyl group nitrogen and so on a kind of supplement has not attained Ministry of Agriculture to authorize, does not allow in any feed to increase the use.

三聚氰胺、羟甲基羧基氮等一类添加物未获农业部批准，不允许在任何饲料中添加使用。

■Determination of Carboxyl Groups Content of Various Pulp Suspension

不同纸浆羧基含量的测定

■There were more carboxyl groups condensed guaiacyl units and guaiacyl primary alcohol in the waste ASP liquor than those in KP waste liquor.

与KP相比，ASP废液中木素含有较多的羧基、缩合型愈创木基结构以及愈创木酚型的伯醇醚.

■Study on Carboxyl Group Distribution on the Surface of the Latex Particles of Acrylate Based Hydrophilic Coatings

丙烯酸型亲水涂料乳胶粒表面羧基分布的研究

■The Comparison on Performances of Two Types of Carboxyl Monomers Used in the Polymerization of Acrylic Emulsion

两类羧基单体在丙烯酸酯乳液聚合中的应用性能比较

■Keywords Fe3O4;emulsion polymerization;enfold;acrylic acid;carboxyl groups;

乳液聚合;包覆;丙烯酸;羧基;

■Containing two carboxyl groups per molecule.

二羧基的每个分子中含有两个羧基的

■Derivatives of Naphthol AS containing carboxyl group (-COOH) as second coupling agent were used in mixed coupling process to medify C.I. pigment Red 57: 1.

介绍了以含羧酸基团的色酸衍生物为第二偶合组分，采用分步偶合工艺，对C．I．颜料红57：1进行了改性。

■In this paper,the sulfated carboxyl methyl fenugreek gum(S CMFG) were prepared firstly through introducing carboxyl methyl and sulfated groups into fenugreek gum.

以香豆胶为原料,分别引入羧甲基和磺酸基团,首次获得水溶性良好的新型香豆胶磺化衍生物。

■In this paper，the sulfated carboxyl methyl fenugreek gum(S-CMFG) were prepared firstly through introducing carboxyl methyl and sulfated groups into fenugreek gum.

以香豆胶为原料，分别引入羧甲基和磺酸基团，首次获得水溶性良好的新型香豆胶磺化衍生物。

■Optimization the process parameters to control the carboxyl end group value in chips

优化工艺参数,控制切片中的端羧基值

■Photometric determination of end carboxyl in PET chip

光度法测定PET切片端羧基含量的方法及其研究

■Keywords carboxyl groups;measure method;conductivity titration;

关键词羧基;测定方法;电导滴定;

■an organic acid characterized by one or more carboxyl groups.

具有一个或多个羧基的有机酸。

■An anhydride formed by the removal of a water molecule from the hydroxyl and carboxyl radicals of hydroxy acids.

内酯一种通过从酸的羧基中除去一个水分子而形成的脱水物

■an anhydride formed by the removal of a water molecule from the hydroxyl and carboxyl radicals of hydroxy acids

内酯，一种通过从酸的羧基中除去一个水分子而形成的脱水物

■The corn starch was modified into oxidized starch containing both carboxyl and aldehyde groups by chemical method, which provided a new clean tanning agent for leather industry.

利用两步氧化法,首次将玉米淀粉改性为同时含羧基和醛基的氧化淀粉,为制革工业提供了一种新型的清洁化鞣剂。

■In this paper,it is researched that the surface of up-conversion luminescence was modified with carboxyl groups by surface grafting modification.butanedioic anhydride is used of finishing agent.

利用表面接枝改性法,丁二酸酐作修饰剂,对上转换无机发光材料进行了表面羧基修饰。

■It is the sodium salt of carbopol, which in turn is a polymer of acrylic acid having free carboxyl groups, which is dispersed in water to form a slight gel.

卡波姆纳为一种已知物质。卡波姆钠即卡波姆的钠盐，而卡波姆又是一种丙烯酸的聚合物，具有自由羧基，在水中扩散便形成轻度凝胶。

■A rearrangement reaction of 3 - butylphthalide to 1 - methyl - 5 - carboxyl - tetrahydro naphthalene under the catalysis of A1C13 by hydride transfer was observed.

发现了3-正丁基苯酞在三氯化铝作用下进行重排反应生成1-甲基-5-羧基四氢萘,并提出了氢迁移的重排反应机制。

■Another end for the hydroxyl and the carboxyl group, has the water affinity.

另一端为羟基和羧基，具有亲水性。

■In addition to the amino and carboxyl groups possessed by all amino acids(except proline), the R group of some amino acids can ionize.

另外,所有的氨基酸都拥有氨基和羧基(除了脯氨酸),一些氨基酸的R基能电离

■And this carboxyl site provides tough vulcanizates with usually higher tensile strength , modulus, tear strength and above all improved abrasion resistance than NBR.

同时，羧基基团增加硫化产品的硬度，比NBR更高的拉伸强度，定伸应力，撕裂强度和优越改善的耐磨性能。

■The expression of hydrogen-bond acidity of compounds having hydroxyl or carboxyl

含羟基或羧基化合物的氢键酸度的表达式

■Rheological Property and Alkali-thickening Mechanism of the Latex System Containing Carboxyl Groups

含羧基乳胶粒子体系的流变性质与碱增稠机理

■carboxyl monoester diol emulsifier

含羧基半酯二元醇乳化剂

■Thiazole Orange ( TO ) with carboxyl

含羧基的噻唑橙

■Properties of Benzothiazole Cyanine Dyes with Carboxyl Group

含羧基苯并噻唑系列菁染料的性能

■tetra-substituted carboxyl aluminum phthalocyanine

四羧基铝酞菁

■The pendant carboxyl groups add more crosslinking sites and polar than Nitrile.

在丁腈橡胶的基础上，羧基增加架桥端并赋予更高的极性。

■The sodium bicarbonate solution reacted with carboxyl acids in the pretreated fibers and released carbon dioxide in a closed testing vial.

在封闭的测试瓶内,碳酸氢钠溶液作为反应剂与测试瓶内纤维的羧酸反应生成二氧化碳。

■Under this conditon, is it possible to produce hydroxyl or carboxyl on the surface of oxide?

在这种情况下，能在氧化物表面产生羟基或羧基吗？

■In the first coating, a carboxyl styrene/butadiene(SBR), which is polymerized with high styrene, is chosen to raise the coating film strength, gloss, smoothness, and is useful for the second coating.

在预涂涂布中 ,选择由高苯乙烯含量聚合的羧基丁苯胶乳可提高涂层抗拉毛强度及纸面光泽度和平滑度 ,有利于面涂涂布

■Keywords chitosan;carboxyl methyl konjac glucomannan;gelation;

壳聚糖;羧甲基魔芋葡甘聚糖;凝胶化;

■Keywords soy protein isolated;Carboxyl Methyl Glucomannan;film properties;

大豆分离蛋白;羧甲基葡甘聚糖;膜性能;

■As expected from the reaction mechanism, the carboxyl groups of aspartic and glutamic acid residues were not modified, while the amino groups that could react with the activated peptides were concomitantly protected by formylation.

如反应机理所预测的那样，天门冬氨酸和谷氨酸残基未被修饰，而能与活性肽反应的氨基则同时被甲酰化保护起来。

■Bleached chemical wheat straw pulp has larger specific surface area, shorter length weighted length, lower carboxyl content, higher conductivity, and more an-ionic trash than the eucalyptus pulp.

实验表明,与桉木浆相比,麦草浆有较大的比表面积,纤维平均长度小,羧基含量稍低,电导率与阳离子需求量较高。

■Open reading frame prediction showed that SNC73 encodes a peptide identical to the constant region of an IgA molecule in the carboxyl terminus.

对SNC73序列及开放阅读框 (ORF)进行分析 ,发现其与免疫球蛋白IgA高度同源 ,为一免疫球蛋白样基因。

■Scale inhibition property of PASP was improved by introducing carboxyl group to main chain during copolymerizing of citric acid, malay anhydride and ammonia.

将柠檬酸、马来酸酐、氨共聚,在主链上引入羧基以改性聚天冬氨酸,提高了其阻垢性能。