有奖纠错
| 划词

The research provided the applicable functional monomer leading urethano into acrylic ester.

为将氨酯基团引入丙烯酸树脂提供了种可官能体。

评价该例句:好评差评指正

The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.

以水华鱼腥藻为材料研究了6种氨基甲酸酯类农药对藻类毒性效应。

评价该例句:好评差评指正

The preparation of penicillin G sulfoxide p-nitrobenzyl ester from penicillin G was studied.

对青霉G钾制备青霉G亚砜对-硝基苄酯工艺进行了研究。

评价该例句:好评差评指正

The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.

本发明方法得到脂肪酸酯含量为70~80%,其中全反式酯达90~95%。

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.

在环丙甲酸异丙酯合成反应中,通过相转移催化剂提高了反应收率。

评价该例句:好评差评指正

Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.

摘要宁酶可水解没食子酸宁中酯键和缩酚羧键,生成没食子酸和葡萄糖。

评价该例句:好评差评指正

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常种脱水剂,采DCC脱水缩合,反应条件温和,合成收率通常较高。

评价该例句:好评差评指正

The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.

结果发现,6种氨基甲酸酯类农药对水华鱼腥藻都有不同程度毒性作

评价该例句:好评差评指正

Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.

KL升华剂80%,右旋炔戊菊酯2-3%,功能剂1- 3%。

评价该例句:好评差评指正

Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.

阿托品是治疗由于胆碱酯类不慎而引起心血管性虚脱特效解毒剂。

评价该例句:好评差评指正

The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.

以它为原料增塑剂耐寒性优于丁醇和辛醇酯类。

评价该例句:好评差评指正

The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.

该方法采硝酸溶解样品,原酯棉富集分离,以硫氰酸盐滴定法进行测定。

评价该例句:好评差评指正

A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.

通过元羧酸和二乙烯基醚反应,我们得到了种新颖酯缩醛结构分子玻璃。

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.

实验发现加入定量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附着力。

评价该例句:好评差评指正

The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.

结果表明,半高丛越橘以醇类、酯类、萜类和酮类物质为主。

评价该例句:好评差评指正

Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.

古细菌细胞壁缺乏细菌细胞壁组成普遍物质-胞壁质,其连接是醚连接而不是酯连接。

评价该例句:好评差评指正

There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.

[中文文摘]通过分子结构设计,合成了种氮-硼内配位结构硼酸酯偶联剂,解决了硼酸酯水解稳定性差问题,同时分子结构中含有氨基、丁氧基等活性基团。

评价该例句:好评差评指正

Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .

研究了脂肪油衍生化、三氟化硼、硫酸3种不同方法对脂肪油皂化、甲酯化效果,并GC/MS法对柞蚕中脂肪酸成分进行了鉴定和分析。

评价该例句:好评差评指正

Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.

四溴双酚A、环氧氯丙烷和丙烯酸为原料合成了阻燃型乙烯基酯树脂,其阻燃性能良好。

评价该例句:好评差评指正

Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.

首次合成了叠氮亚磷酸酯及叠氮磷酰胺类化合物,并IR、1HNMR、FAB-MS及元分析对化合物结构进行了鉴定。

评价该例句:好评差评指正
加载更多

用户正在搜索


balanorrhea, balantidiasis, balantidiosis, Balantidium, balanus, balas, balata, balatik, Balaton, balatte,

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。

科学60秒-科学美国人 201912月合集

Turns out the charcoal stripped out a third of the branched alcohols and nearly half of the ethyl esters.

结果发现,木炭滤掉了三分之的支链醇和的乙酯。

评价该例句:好评差评指正
化学 Crash Course

Esters are just like a ketone mixed with an ether.

酯就像酮与醚的混合。

评价该例句:好评差评指正
科学60秒-科学美国人 20194月合集

Turns out the charcoal stripped out a third of the branched alcohols and nearly half of the ethyl esters.

事实证明,木炭去除了三分之的支链醇和将的乙酯。

评价该例句:好评差评指正
化学 Crash Course

So dive in, join me in this solution of ethers and esters and aldehydes and amines and alcohols, but, like, not literally because that would be super gross and you would probably die.

所以潜入,和我起加入这种醚类、酯类、醛类、胺类和醇类的溶液, 但是,就像,不是字面意思, 因为那会非常恶心, 你可能会死。

评价该例句:好评差评指正
化学 Crash Course

Esters, on the other hand, I focus on that 'S' noise, making me think it must be plural, because they have two oxygens: one in the middle of the chain and one as part of a carbonyl.

方面,酯类,我专注于那个“S”噪音,让我认为它定是复数, 因为它们有两个氧:个在链的中间, 个作为羰基的部分。

评价该例句:好评差评指正
化学 Crash Course

When you see it now in the middle of the chain like this it's either an ether or an ester, either ester or ether, ether or ester, either one, one or the other, either ether or ester.

当你现在在链的中间看到它时, 它要么是醚, 要么是酯,要么是酯,要么是醚,要么是醚,要么是酯,要么是种,要么是另种, 要么是醚,要么是酯。

评价该例句:好评差评指正

用户正在搜索


balconied, balcony, balcony-type, bald, bald cypress, bald eagle, bald head, baldacchino, baldachin, baldaquin,

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