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And it is proved that the trifluoro ethyl methacrylate takes part in the copolymerization reaction.

讨论了氟单体用量对转化率的影响。

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Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

间硝基苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

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Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电性单体的组合效应不

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Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究了该催化剂对碘代苯与烯酸乙酯反应的催化性能及循环使用性能。

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In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.

扁桃酸乙酯是合扁桃酸系列药物的重要中间体。

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Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附和催化剂载体功能的多孔结构活性炭,乙基纤维素为材料用相分离进行包覆。

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The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味分是己酸乙酯、苯乙醇、辛酸和辛酸乙酯。

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Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

BTEAC(苄基三乙基氯化铵)为相转移催化剂合烟酸乙酯。

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The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察了不同条件对基黄药合基黄原酸甲酸乙酯的影响。

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The turbidity was induced mainly by inorganic salt in seriflux and the ethyl fatty acid in brut liquor.

低度白酒浑浊及货架期沉淀的原因主要是由加浆水中的无机盐和原酒中的高级脂肪酸乙酯引起的。

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The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

苯乙酸乙酯和乙醇胺为原料合了苄青霉素低毒前体苯乙酰基乙醇胺。

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Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.

鉴于传统方法存在上缺点,采用乙酰氯代替乙酸作为原料,不使用任何催化剂,不加热,常温反应来合乙酸乙酯。

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The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.

乌洛托品法是合已基香兰素的一种重要方法,它操作简单,原料易得,产率较高。

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Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙醇、乙醚、酮及水作溶剂,对四川汉源花椒作了精油提取研究。

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A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如乙醇的反应产物包括乙醛,乙酸乙酯,乙酸甲酯,缩醛等一系列有害物质。

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Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.

用乙酰乙酸乙酯法合了2-庚酮,总得率为58.9%,纯度为98.5%.介绍了2-庚酮在相关领域中的应用.

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Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰烯在耐高温离子交换树脂DCP催化作用下与无水乙醇反应生龙脑基乙醚。

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OBJECTIVE: To study the effects of different dispersing media, such as atolin and ethyl benzoate, on sustained-release properties of chitosan microspheres.

观察液体石蜡和苯甲酸乙酯作为分散介质对壳聚糖载药微球缓释性能的影响。

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Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采用具有烯烃骨架的β-苯基烯酸酯为中间体先引入双键,再经过三酮合环制备乙烯基吡喃。

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Isobornyl ethyl ether was prepared by the catalytic ethoxylation of camphene with ethyl alcohol in the presence of cation exchange resin fixed bed.

莰烯在阳离子交换树脂固定床催化下与乙醇反应生菠基乙醚。

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连线杂志

We use nitrogen to clean the lacquer, and we use methyl ethyl ketone to keep the stylus clean.

我们用氮气来清洁漆,我们用酮来保持唱针的清洁。

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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,木炭滤掉了三之一的支链醇和近一半的酯。

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Crash Course 综合篇

It has two branches, an ethyl group and a methyl group.

它有两支, 一和一

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Crash Course 综合篇

So when we put it all together, this compound is called 4 ethyl octane.

所以当我们把它们放在一起时, 这种化合叫做 4 辛烷。

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学生科学报

The ADH7 gene produces a protein that helps to break down ethyl alcohol.

ADH7 因产生一种有助于醇的蛋白质。

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GME Unit 5

And to do that, we will put them in ethyl alcohol.

要做到这一点, 我们将把它们放入醇中。

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豪斯医生

Only explanation is they got poisoned by something other than ethyl parathion.

工头:唯一的释是他们被对硫磷以外的其他东西毒死了。

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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,木炭去除了三之一的支链醇和将近一半的酯。

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Crash Course 综合篇

So, if we number the chain the right way, the ethyl group will end up at position 4.

因此,如果我们以正确的方式对链进行编号, 将位于第 4 位。

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Crash Course 综合篇

Since this attachment has two carbons, we call it an ethyl group.

由于这连接有两碳, 我们称之为

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科学60秒-科学美国人 2019年12月合集

He then tracked the quantities of four of them - two branched alcohols and two ethyl esters - before and after the Lincoln County Process.

之后,他追踪了其中四种质——两种支链醇和两种酯——在林肯郡处理法使用前后的数量。

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Crash Course 综合篇

The structure we just used had a methyl group on it and an ethyl group on its fifth, it would be 5-ethyl-2-methyloctane.

我们刚刚使用的结构上有一, 第五有一,它是 5--2-辛烷。

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Scishow 精选系列

Whenever you hear people talking about " alcohol" , like 99.99 percent of the time, what they're talking about is ethanol, also known as ethyl alcohol.

当你听到别人说“酒精”的时候,大概在百之九十九的时候,他们说的一般都是醇。

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SciShow - Chemistry

Whenever you hear people talking about " alcohol" , like 99.99 percent of the time, what they’re talking about is ethanol, also known as ethyl alcohol.

每当人们谈论“酒精” 时,就像99.99%的情况下,他们说的其实是醇, 也称为醇。

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当月 CNN 10 学生英语 2020年8月合集

The U.S. Environmental Protection Agency lists products containing ethyl alcohol and hydrogen peroxide as likely being effective cleaners but the race is on to see what else can do the trick, essential oils, candles, ultraviolet light.

美国环境保护署列出了含有醇和双氧水的产品,这些可能是有效的清洁剂,但目前还在寻找其他有效产品,精油、蜡烛、紫外线等。

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