有奖纠错
| 划词

Twelve different thioxanthone carboxylic amides derivatives are prepared.

合成了十二种噻吨酮酰胺类引发

评价该例句:好评差评指正

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

丁腈、羧基丁腈、丁苯、丁吡四种胶乳改性酚醛树脂。

评价该例句:好评差评指正

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,通相转移催提高了反应收率。

评价该例句:好评差评指正

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二聚成键的规律,重点是体选择性的程。

评价该例句:好评差评指正

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/脂肪胺为催体系,丙烯酸和乙酸乙烯酯为原料,通乙烯基交换反应制备丙烯酸乙烯酯。

评价该例句:好评差评指正

They are formed byatmospheric photochemistry reaction, and could product OH radical, alkyl radical, ozone,carboxylic acid peroxyacetyl nitrates by atmospheric photochemistry reaction.

羰基合物既是大气学反应的产物,又能通学反应生成羧酸、羟基自由基、臭氧和氧乙酰硝酸酯。

评价该例句:好评差评指正

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可以显著提高紫外玻璃涂膜对玻璃的附着力。

评价该例句:好评差评指正

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,傅里叶变换红外谱法(FTIR)对氧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。

评价该例句:好评差评指正

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.

最常的方法是通端羧酸基纳米结构的二酰亚胺活氨基合物来进行生物分子与1-D纳米结构的共价结合。

评价该例句:好评差评指正

用户正在搜索


button-down, buttoned, buttoned up, buttoner, button-head, buttonhold, buttonholder, buttonhole, buttonhook, buttoning,

相似单词


3G, 401(K), a,

声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

双语版 TED-Ed 演讲精选

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

也混在其中增加了芝士的味道。

评价该例句:好评差评指正
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种分子更多,尤其是皮肤上的

评价该例句:好评差评指正
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, 所以让我们继续称之丁烯

评价该例句:好评差评指正
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引,这种通常由人类皮肤上的细菌产生。

评价该例句:好评差评指正
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, 在碳 1 上(这非常理想)。

评价该例句:好评差评指正
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,有人说长链闻起来像山羊。

评价该例句:好评差评指正
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.

是氨基性部分, 它构成蛋白,构成你,所以它们非常重要。

评价该例句:好评差评指正
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,包括在内的这些可能是从太空中通过彗星和陨石到达地球的。

评价该例句:好评差评指正
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“丙酮”,是因它是从醋中提取的,醋是厨房中最常见的

评价该例句:好评差评指正
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) .

是一种有机,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。

评价该例句:好评差评指正
学 Crash Course

While carboxylic acids are ketones bonded to an OH group instead of an R group, and ethers are just alcohols bonded to an R-group instead of a hydrogen.

是键合到 OH 基团而不是 R 基团的酮,而醚只是键合到 R 基团而不是氢的醇。

评价该例句:好评差评指正
Crash Course 综合篇

The most weighted of all is the carboxylic acid functional group, so no matter what else is on a six carbon chain, if there's a carboxylic acid, then it's a hexanoic acid.

最重要的是官能团,所以无论六碳链上还有什么, 如果有, 那么它就是己

评价该例句:好评差评指正
Osmosis-内分泌

After that happens, the liver turns the fatty acids into ketone bodies, like acetoacetic acid and beta hydroxybutyric acid; acetoacetic acid is a ketoacid because it has a ketone group and a carboxylic acid group.

此后,肝把脂肪成酮体,比如乙酰乙、β-羟基丁;乙酰乙是一种酮,因它有酮基团和基团。

评价该例句:好评差评指正
Crash Course 综合篇

If it's a six carbon chain with a carboxylic acid on it and an alcohol on one of the other carbons, our name has to do two things: identify that the hydroxyl group is there and identify where it is.

如果它是一个六碳链, 上面有一个, 另一个碳上有一个醇,我们的名字必须做两件事:确定羟基的存在并确定它的位置。

评价该例句:好评差评指正

用户正在搜索


butt-sintering, buttstock, buttstrap, butt-swell, butt-weld, butt-welder, butty, buturon, butut, butvar,

相似单词


3G, 401(K), a,
  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接