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光引发剂。

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.

采用丁腈、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,通过相化剂提高了反应收率。

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化二聚成键的规律,重点是体选择性的过程。

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/脂肪胺化体系,丙烯酸和乙酸乙烯酯,通过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剂可以显著提高紫外光固化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。

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.

最常用的方法是通过端羧酸基纳米结构的二酰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。

评价该例句:好评差评指正

用户正在搜索


knackery, knackwurst, knacky, knag, knaggy, knallgas, knap, knapp, knapper, knapping machine,

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

评价该例句:好评差评指正
CNN 10 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,招蚊子喜爱人群中有50种分子化合物更多,尤其是皮肤上

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.

不过它也含有羧, 所以让我们继续称之为丁烯

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, 羧在碳 1 上(这非常理)。

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为羧物质吸引,这种化物质通常由人类皮肤上细菌产生。

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.

长链胺之类东西有腥或腐臭,有人说长链羧闻起来像山羊。

评价该例句:好评差评指正
Crash Course

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

是氨性部分, 它构成蛋白质,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.

一些人认为,包括羧在内这些化物质可能是从太空中通过彗星和陨石到达地球

评价该例句:好评差评指正
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,之所以称为“丙酮”,是因为它是从醋中提取,醋是厨房中最常见

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(-OH)单键结合。

评价该例句:好评差评指正
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 团而不是 R 酮,而醚只是键合到 R 团而不是氢醇。

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.

最重要是羧官能团,所以无论六碳链上还有什么, 如果有羧, 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,肝把脂肪转化成酮体,比如乙酰乙、β-羟;乙酰乙是一种酮,因为它有酮团和羧团。

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, 上面有一个羧, 另一个碳上有一个醇,我们名字必须做两件事:确定羟存在并确定它位置。

评价该例句:好评差评指正

用户正在搜索


knee-brace, knee-breeches, kneebrush, kneecap, knee-cap, kneecapping, kneed, knee-deep, kneeguard, knee-high,

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