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单词 carboxylic
释义

carboxylic /ˌkɑ:bɔk'silik//ˌkɑrbɑkˈsɪlɪk/

英汉-汉英词典
adj. 羧基的
词组 | 习惯用语
carboxylic acid [化]羧酸
英语例句库
  1. Twelve different thioxanthone carboxylic amides derivatives are prepared.
    合成了十二种噻吨酮酰胺类光引发剂。
  2. Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.
    采用丁腈、羧基丁腈、丁苯、丁吡四种胶乳改性酚醛树脂。
  3. By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
    在环丙甲酸异丙酯的合成反应中,通过相转移催化剂提高了反应收率。
  4. Stereoselective oxidative dimerization of the enolate of carboxylic acid derivatives is summarized focusing on the stereoselectivity of the process.
    综述羧酸衍生物的烯醇盐氧化二聚成键的规律,重点是立体选择性的过程。
  5. An efficient palladium-cocatalyst system for vinylation of unsaturated carboxylic acid has been exploited,among which aliphatic amines(ALA)are firstly used as cocatalysts.
    以醋酸钯/邻菲洛林/脂肪胺为催化体系,丙烯酸和乙酸乙烯酯为原料,通过乙烯基交换反应制备丙烯酸乙烯酯。
  6. They are formed byatmospheric photochemistry reaction, and could product OH radical, alkyl radical, ozone,carboxylic acid peroxyacetyl nitrates by atmospheric photochemistry reaction.
    羰基化合物既是大气光化学反应的产物,又能通过光化学反应生成羧酸、羟基自由基、臭氧和过氧酰硝酸酯。
  7. It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
    实验发现加入一定量的三官能团酸酯或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜对玻璃的附着力。
  8. The carboxylic content in oxycellulose was analyzed quantitatively by FTIR using KSCN as internal standard.Calibration curve with good linear relationship was obtained.
    摘要以KSCN作为内标,用傅里叶变换红外光谱法(FTIR)对氧化纤维素中的羧基含量作了定量分析,得出了线性关系较好的标准曲线。
  9. The most commonly used method for the covalent binding of biomolecules onto 1-D nanostructures is through the diimide-activated amidation of carboxylic acid terminated nanostructures.
    最常用的方法是通过端羧酸基纳米结构的二亚胺活化氨基化合物来进行生物分子与1-D纳米结构的共价结合。

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原声例句
双语版 TED-Ed 演讲精选

Carboxylic acids are in the mix, too, adding notes of cheese.

羧酸也混在其中增加了芝士的味道。

CNN 10 学生英语 2022年10月合集

Now the study found that 50 molecular compounds were higher in mosquito magnets especially carboxylic acid on the skin.

现研究发现,招蚊子喜爱的人群中有50种分子化合物更多,尤其是皮肤上的羧酸。

Crash Course 综合篇

It's also got the carboxylic acid though, so let's go ahead and call it butenoic acid.

不过它也含有羧酸, 所以让我们继续称之为丁烯酸。

Crash Course 综合篇

Numbering the other way, 1-2-3-4, the carboxylic acid is on carbon 1 (that's pretty ideal).

以另一种方式编号, 1-2-3-4, 羧酸在碳 1 上(这非常理想)。

21世纪英文报

Also, mosquitoes are most attracted to a kind of chemical called carboxylic acid, which is usually produced by bacteria on human skin.

此外,蚊子最容易被一种名为羧酸的化学物质吸引,这种化学物质通常由人类皮肤上的细菌产生。

Scishow 精选系列

Things like long chain amines have a fishy or rotten smell, and some people say that long chain carboxylic acids smell like goats.

长链胺之类的东西有腥味或腐臭味,有人说长链羧酸闻起来像山羊。

化学 Crash Course

Carboxylic Acids are the acid part of amino acids, which make up proteins, which make up, you, so they're pretty important.

羧酸是氨基酸的酸性部分, 它构成蛋白质,构成你,所以它们非常重要。

Newsweek

Some have suggested that these chemicals, including carboxylic acids, may have arrived on Earth from space, traveling via comets and meteorites to the forming planet.

一些人认为,包括羧酸在内的这些化学物质可能是从太空中通过彗星和陨石到达地球的。

化学 Crash Course

Acetone has a ketone group and it's called 'acetone' because it was derived from acetic acid, which is vinegar, the most common carboxylic acid in your kitchen.

丙酮有一个酮基,之所以称为“丙酮”,是因为它是从醋酸中提取的,醋酸是厨房中最常见的羧酸。

Newsweek

Carboxylic acids are a type of organic compound characterized by a carbon (C) atom doubly bonded to an oxygen (O) atom and singly bonded to a hydroxyl group (-OH) .

羧酸是一种有机化合物,其特征是一个碳(C)原子与一个氧(O)原子双键结合,并与一个羟基(-OH)单键结合。

中文百科

羧酸 Carboxylic acid

(重定向自Carboxylic)
羧酸的平面结构
羧酸的三维结构
羧酸的空间填充模型
羧酸根离子

羧酸是带有羧基的有机化合物,通式是R-COOH。羧基的化学式为-C(=O)OH,通常写成-COOH或-CO2H,它是由一个羰基(RR'C=O)和一个羟基(R-O-H)组成的官能基。羧酸是质子(H)授予者,也就是质子酸。

蚂蚁和蜜蜂的分泌液中含的甲酸H-COOH、使醋有酸味的乙酸CH3-COOH……等都是常见的羧酸。拥有两个羧基的分子叫二酸,最简单的分子是由两个羧基结合而成的草酸(COOH)2。其他像是可在柠檬中发现的柠檬酸和酸豆内含的酒石酸都是自然界中重要的羧酸。

羧基去质子化以后的共轭碱便是含有羧酸根负离子(-COO)的羧酸盐,与醇类混合经酯化反应后形成羧酸酯。羧酸离子因为共振而比较稳定,因此其酸性会比醇类物质高。

英语百科

Carboxylic acid 羧酸

(重定向自Carboxylic)
Structure of a carboxylic acid
Carboxylate ion
3D structure of a carboxylic acid
Carboxylic acid dimers

A carboxylic acid /ˌkɑːrbɒkˈsɪlɪk/ is an organic compound that contains a carboxyl group (C(O)OH). The general formula of a carboxylic acid is R–C(O)OH, with R referring to the rest of the (possibly quite large) molecule. Carboxylic acids occur widely and include the amino acids (which make up proteins) and acetic acid (which is part of vinegar and occurs in metabolism).

近义、反义、联想词
近义词
adj.
carboxyl, carboxyl group

联想词
amine胺;amino氨基的;alkyl烷基的,烃基的;acetic醋的,乙酸的;methyl甲基;unsaturated不饱和的;ester酯;esters酯类;nucleic核的;hydrophobic狂犬病的,恐水病的,患恐水病的,不易被水沾湿的;ethyl乙烷基;
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更新时间:2025/6/22 4:58:39