有奖纠错
| 划词

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

评价该例句:好评差评指正

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一种可用官能单体。

评价该例句:好评差评指正

The synthetic medium of optical N acylalanines was N (2,6 xylyl) alanine.It was reacted with 1 menthol and prepared into its menthol esters which were purified by TLC, resolved and determined by HPLC.

光学活性杀菌剂合成中间体N-(2,6-二甲苯基)-丙氨酸与l-薄荷醇在催化剂作用下,生成非对映异构体薄荷醇

评价该例句:好评差评指正

This work applied the new type capillary column modified by barium sulfate. It has completed the solubilty of high boiling ester in para-methyl-toluate with the method of chromatography.

研究了硫酸钡微晶改性新型毛细管用.可用于色谱法测定完全互熔性高沸点酯类在对甲基苯甲酸甲酯中溶解度.

评价该例句:好评差评指正

Biocat-alytic production processes have been set up for the manufacture of special esters like cetyl ricinoleate, so-called emollient esters, used as skin caring oils in cremes and lotions.

化妆品行业已经建立了生物催化过程来生产如十六烷基蓖麻醇酸酯等化妆品工业中酯。

评价该例句:好评差评指正

Xanthic ester is a kind of catcher in the floatation of minerals.Though only a very little amount of xanthic ester is discharged into water, it smells wondrously bad.

[摘要] 浮集剂黄原酸酯极少量地排入水中也能使水味道极其难闻。

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,并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴定。

评价该例句:好评差评指正

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原料合成十三碳二元酸二乙酯,考察了影响反因素。

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,并用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.

用四溴双酚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,其阻燃能良好。

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,合成了一种氮-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

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连接。

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

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

通过一元羧酸和二乙烯基醚,我们得到了一种新颖缩醛结构分子玻璃。

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.

该方法采用硝酸溶解样品,黄原棉富集分离,以硫氰酸盐滴定法进行测定。

评价该例句:好评差评指正

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

阿托品是治疗由于用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

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

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

用本发明方法得到叶黄素脂肪酸酯含量为70~80%,其中全反式叶黄素酯达90~95%。

评价该例句:好评差评指正
加载更多

用户正在搜索


gigantomachy, gigantomastia, gigantopithecus, gigantopterids, Gigantorhynchus, Gigantorhynchusgigas, gigantosoma, Giganturoidei, gigaohm, Gigartinales,

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 2019年12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,掉了三分之一的支链醇和近一半的乙酯。

评价该例句:好评差评指正
Who Smarted? - Educational Podcast for Kids

And while some of these esters tasted like fruit, they didn't come from fruits.

尽管这些酯类尝起来像水果,但它们并非源于水果。

评价该例句:好评差评指正
经济学人 Science and technology

The space miso had a more potent sweet flavour than the regular kind, which came from the high levels of phenylacetic acid methyl ester, a component also found in honey, brandy and some wines.

太空味噌比普通味噌具有更浓郁的甜味,这种甜味源自高含量的苯乙酸甲酯,这种成分样存在于蜂蜜、白兰地和某些葡萄酒中。

评价该例句:好评差评指正
Huberman Lab

In terms of these topical ointments and serums and creams and things like that, I do provide a link to at least one source of those that uses the retinoid ester.

至于这些外用的药膏、精华液、面霜之类的产品,我确实提供了一个链接, 指向至少一个使用视黄醇的产品来源。

评价该例句:好评差评指正
科学60秒-科学美国人 2019年4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,除了三分之一的支链醇和将近一半的乙酯。

评价该例句:好评差评指正
美国英语听力80篇

It contains sterol esters from soybeans. Take Control is one of two food products designed to reduce cholesterol.

它含有来自大豆的植物甾醇。Take Control是两款旨在降低胆固醇的食物产品之一。

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.

所以跳进来,和我一起沉浸在醚、酯、醛、胺和醇的溶液中, 但是,像这样的,不是真的,因为那样会超级恶心, 你可能会死。

评价该例句:好评差评指正
Huberman Lab

And they've started using and are frankly quite confident in the use of retinoid esters

他们已经开始使用并坦率地说,对使用视黄醇充满信心,这种物质可以涂抹在皮肤表面。

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.

就像酮和醚的混合物。

评价该例句:好评差评指正
Who Smarted? - Educational Podcast for Kids

This included chemicals called synthetic esters.

其中包含一种名为合成的化学物质。

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.

当你现在看到它位于链的中间时, 它要么是醚, 要么是酯,不管是酯还是醚, 醚还是酯,其中一个,一个是另一个,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


Giles, gilet, gilgai, Gilgamesh, gilguy, Gilheney, gilhoist, Gilian, gill, gill slit,

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