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

研究了该剂对碘代苯与丙烯酸乙酯反应的性能及循环使用性能。

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The catalytic gas liquid isotope exchange reaction is a good method to prepare tritiated triptolid.

采用气液同位素交换法制备了氚雷公藤甲素,探讨了反应时间和反应介质对反应产额的影响。

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The product has good catalytic property for the formation of diene stereospecific polymers.

制得的叔碳酸钕具有对二烯的定向聚合活性。

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A method for the synthesis of hexylene glycol by catalytic hydrogenation from diacetone is presented.

介绍以双丙酮醇为原料,经加氢合成异己二醇的方法。

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Intein is an intervening polypeptide which can catalytic self-cleavage from a pre-protein accompanied by the concomitant joining of the two flanking polypeptides (the extein) through a peptide bond.

蛋白质内含肽是一个蛋白质体中的多肽序列,可以自身从蛋白质体中断裂,使两侧的蛋白质外显肽连接成成熟的蛋白质。

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Based on the catalytic effect of thiocyanate on the oxidation of alizarine red by potassium bromate,a new catalytic spectrophotometric method for the determination of trace thiocyanate was developed.

在磷酸介质中,硫氰酸根对溴酸钾氧茜素红的褪色反应具有较强的作用,据此建立了度法测定痕量硫氰酸根的新方法。

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This paper discusses the fundamentals and characteristics of catalytic combustion and the type of catalyst and approaches the way to apply the technology of catalytic combustion in cremator.

本文对燃烧法的基本原理、特点及剂的形式等方面进行了讨论,并就燃烧技术在火设备中实现的可能方法进行了探讨。

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Abstract: Using lead benzoxy as curing agent,cured epoxy resin was analyzed by means of IR spectrum and DSC curves.Lead benzoxy was considered to be catalytic curing agent.

摘 要: 采用苯甲酸铅做固剂,通过对环氧树脂固物的红外谱及DSC曲线分析,认为苯甲酸铅是一种型固剂。

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In this study, the performance of the supported metallic oxide catalysts for catalytic reduction of nitric oxide with carbon monooxide as a reducing agent were investigated.

本论文主要是研究奈米金属氧物担体触媒,用于以一氧碳为还原剂之一氧氮还原反应。

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Using lead benzoxy as curing agent,cured epoxy resin was analyzed by means of IR spectrum and DSC curves.Lead benzoxy was considered to be catalytic curing agent.

采用苯甲酸铅做固剂,通过对环氧树脂固物的红外谱及DSC曲线分析,认为苯甲酸铅是一种型固剂。

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The invention is applied to the catalytic reactions such as aromatic ketone unsymmetrical hydrogen transfer reaction and can achieve very high yield and enantiotropic selectivity.

此发明应用于芳香酮的不对称氢转移反应等的反应中,可以得到很高的产率和对映选择性。

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Mesoporous molecular sieves are of great academic and practical importance in heterocatalysis. In this review, we mainly summarized the progress made in its catalytic application.

中孔分子筛在多相领域具有重要的理论研究和实际应用价值,综述了国内外的学者在其应用方面所取得的进展。

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In the system of sulfuric acid phenylglycollic acid cinchonine potassium chlorate, micro amount of tungsten in ammonium molybdate products has been determined by catalytic polarography.

在硫酸 -苯羟乙酸 -辛可宁 -氯酸钾体系中 ,极谱法测定钼酸铵产品中的微量钨。

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Pyrazole has been prepared through the dehydrogenation of 2 pyrazoline in which catalytic amonts of sodium iodide acts as dehydrogenation agent in sulfuric acid.

在硫酸中用碘钠(量)作脱氢试剂使2吡唑啉脱氢制备吡唑。

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Two different kinds of palladium complexes of nitrogen containing polymere havebeen prepared and their catalytic actions for p -nitro -methyl benzfene have been invertigeted.

制备了两种不同的含氮高分子-钯络合物,并研究了它们对对硝基甲苯的活性。

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The catalytic hydrolysis of benzal chloride and benzyl chloride mixture was studied, benzal chloride forming benzaldehyde in 95% yield, while the benzyl choride unreacted.

研究了亚苄基二氯和苄基氯混合物的水解反应,亚苄基二氯水解率达95%,而苄基氯不发生学反应。

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By applying multivariable model predictive control (MPC) technology, the control performance of the gasoline debutanizer of fluid catalytic cracking unit can be improved.

将多变量模型预测控制技术应用于汽油稳定塔的控制,有助于提高稳定塔的控制品质。

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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下与乙醇反应生成异菠基乙醚。

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Kinetic constant and apparent activation energy of iodine catalytic reaction of ascorbic acid oxidation Naphth Green B have been determined by spectrophotometric method.

本文采用分度法测定了碘抗坏血酸氧萘酚绿B反应的反应速度常数和表观活能。

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To know the effects of internal and external diffusion on gas-solid catalytic reaction, to grasp the common models of liquid-solid uncatalyzed reaction.

掌握理想流动模型;了解多釜串联模型与轴向分散模型模型设计方程的推导过程。

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你当像鸟飞往你

I almost had it when Dad flung a catalytic converter. I leapt aside, cutting my hand on the serrated edge of a punctured tank. I wiped the blood on my jeans and shouted, " Don't throw them here! I'm here" !

爸爸扔过来一个催化转换器,差点击中我。我跳到一边,手碰在一个破水箱锯齿边上,割破了。我把血抹在牛仔裤上,喊道:" 别把它们往这边扔!我在这儿呢!"

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经济学人-一周要闻

Palladium, manufactured in catalytic converters to help curb emissions, hit a new peak.

钯用于催化转换器制以帮助减排,其价格再创新高。

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经济学人-科技

Solar panels made this way are now in production, and Mr Elrod is already casting his eye over fuel cells, ultracapacitors (a novel way of storing electricity) and even catalytic converters as suitable candidates for manufacture by co-extrusion.

以这种方式制阳能板现已投入生产,Elrod也已把目光投向了燃料电池,超级电容(一种储藏电量新奇方式),甚至催化转化器都成了共挤压制合适材料。

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科学大揭秘

Most modern cars are fitted with advanced catalytic converters that reduce the amount of harmful components present in the exhaust, in order to protect the outside atmosphere.

大多数现代汽车都配了先进催化转换器,可以减少废气中有害成分数量,以保护外部大气。

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2021诺贝尔得主访谈录

Which is using these small organic molecules to do catalytic reactions that we can use to make medicines or to make materials.

就是利用这些小有机分子进行催化反应,我们可以用它来制药物或材料。

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语版 TED-Ed 演讲精选

Most cars produced since the 1980s are equipped with catalytic converters that reduce the emission of carbon monoxide and nitrogen oxides.

在 1980 年代制大部分汽车都配有触媒转化器,减少一氧化碳和氮氧化物排放。

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博兹曼科学——生物

So we will free up the catalytic portions.

因此,我们将释放催化部分。

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Lex Fridman Podcast

And I think that's catalytic for me.

我认为这对我来说是催化剂

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The Ramsey Show

Or the catalytic converter goes out in the car.

或者汽车催化转化器坏了。

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Today, Explained

And also around the same time, catalytic converters were becoming a big thing.

而且差不多同一时期,催化转化器也开始流行起来。

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The Late Show Pod Show with Stephen Colbert

Look, for me, that was a catalytic point.

对我来说,那是一个催化剂时刻。

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TED-Ed(视频版)

Yeah, you could have a catalytic reaction that does that extremely efficiently, but it consumes a quarter of the oxygen in the atmosphere, which would apparently cause us to die fairly slowly and unpleasantly over the course of several hours.

,你可以进行非常有效催化反应,但它会消耗大气中四分之一氧气, 这显然会使我们在几个小时内相当缓慢且令人不快地死去。

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精选英语短文

" It's a catalytic moment right now in terms of surveillance, in terms of sequencing – not only for Sars-Cov-2, but for the next 'disease X', and for all these emerging and re-emerging pathogens that we're tracking, " she added.

“就监测和测序而言,现在是一个催化时刻——不仅对于 Sars-Cov-2, 而且对于下一个‘疾病 X’,以及我们正在追踪所有这些新出现和重新出现病原体” 她补充道。

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英语演讲大全

No. What else happened? DDT was banned, the  catalytic converter was introduced, leaded gas was removed from the environment. All of this happened  in those five years, while we were still at war.

不,还有什么事发生? DDT 被禁止, 催化转化器被引入,含铅气体被从环境中移除。 所有这一切都发生在这五年里, 当时我们还在打仗。

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三体 I

At the moment, the lab was attempting to develop a catalytic reaction as a substitute for molecular construction so that large numbers of molecules would stack themselves into the right arrangement.

目前,实验室正试图开发一种催化反应来替代分子构建,以便大量分子能够自行排列成正确结构。

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Sway

And I don't see us sort of worshipping the guy that invented the television tube the same way or the person that first engineered the catalytic converter or anything like that.

而且我不认为我们崇拜以同样方式发明电视管人或首先设计催化转化器人或类似人。

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TED演讲(视频版) 2023年5月合集

But when I talk to banks and investors, there's one particular form of government funding that they say would make a huge difference, and it's called blended or catalytic finance.

但当我与银行和投资者交谈时,他们说有一种特殊形式政府资助会产生巨大影响,它被称为混合或催化融资。

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奇趣工程百科

To fulfill your farm's stringent requirements, 9 RX employs a tried-and-true emissions-reduction technique that includes a diesel oxidation catalyst, a diesel particle filter, and a selective catalytic reduction system.

为了满足农场严苛要求,9RX采用了一种经过验证减排技术,包括柴油氧化催化剂、柴油颗粒过滤器和选择性催化还原系统。

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经济学人 Science and technology

This may be why root connections happen in the first place but catalytic playing their perpetuation for trying to help a trunkless stump reproduce would be a fool's errand.

这可能是根系连接最初形成原因,但试图帮助一棵没有树干树桩繁殖显然是徒劳

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扣扣熊深夜秀-Guest Interviews

Look, for me, that was a catalytic point, and I thought that if we took a stand there, then we would not stand alone.

对我来说, 那是一个关键转折点,我认为如果我们在那里站出来,我们就不会孤军奋战。

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