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The workers’ demand for better conditions was a catalyst for social change.

工人们要求改善工件促进了社会变革。

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It acts as a catalyst in the process of fermentation.

它在发酵过程中起触媒的用。

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All of these show that the DHT-1 catalyst can be well matched with the hydrodewaxing catalysts.

上结果表明,DHT-1能与异构降凝剂较好地匹配使用。

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A catalyst is a substance which speeds up a chemical reaction.

催化剂是一种能加速化学反应的物质。

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Resinification of furfural on the catalyst was the main cause of deactivation.

糠醛树脂化结焦是导致催化剂失活的主要原因。

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The research on the amino acid by dehydrogenation alkanolamine(s) in catalyst was recommended.

介绍了国内外醇催化脱氢制备氨基的研究发展情况。

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By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.

在环丙甲异丙酯的合成反应中,通过相转移催化剂提高了反应收率。

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Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次杂多为催化剂采用酯化法合成丙二醇单乙醚乙酯。

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Bromooctane was synthesized from industrial hydrobromic acid(48%) and n-octanol using concentrated sulfuric acid as catalyst.

工业废氢溴(48%)为原料,在浓硫存在下,与正辛醇进行反应合成1-溴辛烷。

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N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

和溴乙烷为原料,用四乙基氢氧化铵相转移催化剂,在常压下合成N,N二乙基

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CuFe-PILC catalyst was prepared by doping technology during the preparation process of pillaring agent.

在此基础上对其进行掺杂改性,获得了铜铁复合层柱粘土催化剂。

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Ethyl lauryl alcohol respectively react with hydrobromic acid to product bromohydrocarbon,sulfuric acid for catalyst。

正十二醇和氢溴为原料,在浓硫的催化下,生产溴十二烷。

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Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.

和乙二醇单乙醚为原料,活性白土负载磷钨为催化剂,合成了乙二醇单乙醚醋酯。

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The synthesis of nerolin bromelia by use of various phase transfer catalysts at different conditionsis studied.

研究了利用多种相转移催化剂在不同件下合成橙花素。

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The performance of this catalyst for the cross-coupling reaction of iodobenzene with acrylic acid was studied.

研究了该催化剂对碘代与丙烯交叉偶联生成反式-肉桂的催化性能。

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The best reaction condition are determined when synthesizing dibutyl maleate by using sloid chloride as catalyst.

提出了固体氯化物为催化剂合成马来二丁酯的最佳反应件。

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The fuberidazole was prepared by reaction of O-phenylendiamine with furfural at the presence of CTMABas catalyst.

和糠醛为原料,十六甲基三烷基溴化铵(CTMAB)为催化剂合成了麦穗宁。

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To optimize the process of prepartion isorotenone from rotenone by using Lewis acid AlCl3 as catalyst.

为了优化鱼藤酮异构化制备异鱼藤酮的工艺。

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Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

、邻硝基氯为原料,采用直接缩合法引入相转移催化剂合成邻硝基二

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Dibenzyl sulfoxide and dibenzyl sulfone were synthesized from dibenzyl sulfide oxidated with H 2O 2 without catalyst.

在无催化剂件下利用过氧化氢氧化二苄基硫醚合成了二苄基亚砜和二苄基砜。

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经典英语美文背诵100篇

Leadership is the catalyst for transforming those talents into results.

艺术 是一种催化剂,将众人的才智转化为业绩。

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现代大学英语精读(第2版)第三册

Every supervisor is a catalyst to motivation.

每位管理者都是动机的催化剂。

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艾玛·沃特森合辑

And universities have the power to be a vital catalyst for that change.

真正的平等应该体现在社会各个方面,大学有能力成为这种变革的重要加速器。

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CNN 精 20163合集

It's also the catalyst for El Nino rainstorms.

这也是厄尔尼诺暴雨的催化剂。

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《BBC纪录片 钓鱼岛真相》

These islands have recently become a catalyst for Pacific aggression.

这片岛屿最近成为太平洋争端的一个火索。

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VOA常速英语_美洲

It might be a most unfortunate catalyst for good change.

这可能是一个最不幸的催化剂,会带良好的变化。

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侏罗纪搏击俱乐部

It appears that global climate change was the catalyst.

看起气候变化是催化剂。

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VOA常速英语_美洲

I think about four years ago, Ellen really was the catalyst.

我觉得大概是在四前,艾伦催生了这一想法。

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英语世界

The U.S. space program has been an extraordinary catalyst for technology innovation.

美国的航天计划一直是技术创新极佳的催化剂。

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2021名人高校毕业演讲

And as we're all too familiar, COVID was a huge catalyst for even faster change.

而我们对此也深感熟悉,新冠疫情便是进一步推动这种技术变革的催化剂。

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奇思妙想物语

None of us can be the Overman, but we can be the catalyst for it.

我们没有人可以成为超人,但我们可以成为变成他的催化剂。

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经济学人-文艺

The catalyst? A single Silicon Valley executive.

(这场讨论的)催化剂是一位硅谷的主管。

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简单心理学

The big takeaway is that Valentine's Day isn't a breakup instigator, it's a catalyst.

最大的收获是情人节不是分手的煽动物,而是一种催化剂。

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BBC纪录片《文明》

For him, primitive art would be a catalyst, inspiring him to shatter the conventions of the past.

对他而言 原始艺术是一种催化剂激励着他粉碎过去的传统。

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如何避免气候灾难

If you can create a catalyst, you can break apart the carbon from the oxygen in carbon dioxide.

如果你能制造一种催化剂,你就能把二氧化碳中的碳从氧气中分解出

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VOA Special 202112合集

" That realization has been a catalyst for a lot more research in this area, " said David Beerling.

戴维·比尔林说:" 这一认识促进了这一领域的更多研究。"

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NPR音讯 20184合集

Was it a catalyst? What has changed since then, since 2012?

那成为催化剂了吗?2012之后,发生了哪些变化?

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中高级英语短文

But there was one problem with using copper as a catalyst.

但是使用铜作为催化剂有一个问题。

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如何避免气候灾难

In science, a catalyst is a substance that accelerates a chemical reaction.

在科学中,催化剂是一种加速化学反应的物质。

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电影世界深度游(LSOO)

But the Venom only serves as a catalyst of Peter's grandiosity.

但毒液只是作为彼得自命不凡的一种象征。

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