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

1.工人们要求改善工作条件促进了社会变革。

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2.It acts as a catalyst in the process of fermentation.

2.它在发酵过程中起触媒的

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

3.以上结果表明,DHT-1能与异构较好地匹配使

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

4.催化是一种能加速化学反应的物质。

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

5.糠醛树脂化结焦是导致催化失活的主要原因。

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

6.介绍了国内外醇胺催化脱氢制备氨基酸的研究发展况。

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

7.首次以杂多酸为催化酯化法合成丙二醇单乙醚乙酸酯。

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

8.在环丙甲酸异丙酯的合成反应中,通过相转移催化提高了反应收率。

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

9.以苯胺和溴乙烷为原,乙基氢氧化铵作相转移催化,在常压下合成N,N二乙基苯胺。

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

10.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

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

11.以工业废氢溴酸(48%)为原,在浓硫酸存在下,与正辛醇进行反应合成1-溴辛烷。

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

12.以正十二醇和氢溴酸为原,在浓硫酸的催化下,生产溴十二烷。

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

13.以醋酸和乙二醇单乙醚为原,活性白土负载磷钨酸作为催化,合成了乙二醇单乙醚醋酸酯。

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

14.研究了该催化对碘代苯与丙烯酸交叉偶联生成反式-肉桂酸的催化性能。

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

15.提出了以固体氯化物为催化合成马来酸二丁酯的最佳反应条件。

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

16.以邻苯二胺和糠醛为原,以十六甲基三烷基溴化铵(CTMAB)为催化合成了麦穗宁。

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

17.为了优化鱼藤酮异构化制备异鱼藤酮的工艺。

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

18.研究了利多种相转移催化在不同条件下合成橙花素。

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

19.以苯胺、邻硝基氯苯为原,采直接缩合法引入相转移催化合成邻硝基二苯胺。

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

20.摘要对兼具吸附和催化载体功能的多孔结构活性炭,以乙基纤维素为材相分离进行包覆。

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经典英语美文背诵100篇

1.Leadership is the catalyst for transforming those talents into results.

领导艺术 是一种化剂,将众人才智转化为业绩。

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现代大学英语精读(第2版)第三册

2.Every supervisor is a catalyst to motivation.

每位管理者都是动机化剂

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艾玛·沃特森合辑

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

真正平等应该体现在社会各方面,大学有能力成为这种变革重要加速器

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CNN 精选 2016年3月合集

4.It's also the catalyst for El Nino rainstorms.

这也是厄尔尼诺暴化剂

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《BBC纪录片 钓鱼岛真相》

5.These islands have recently become a catalyst for Pacific aggression.

这片岛屿最近成为太平洋争端导火索

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VOA常速英语_美洲

6.It might be a most unfortunate catalyst for good change.

这可能是一最不幸化剂,会带来变化。

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侏罗纪搏击俱乐部

7.It appears that global climate change was the catalyst.

看起来全球气候变化是化剂

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VOA常速英语_美洲

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

我觉得大概是在四年前,艾伦了这一想法。

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英语世界

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

美国航天计划一直是技术创新极佳化剂

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2021年名人高校毕业演讲

10.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化剂

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奇思妙想物语

11.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化剂

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经济学人-文艺

12.The catalyst? A single Silicon Valley executive.

(这场讨论化剂是一位硅谷主管。

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简单心理学

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

最大收获是情人节不是分手煽动物,而是一种化剂

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BBC纪录片《文明》

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

对他而言 原始艺术是一种化剂激励着他粉碎过去传统。

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如何避免气候灾难

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

如果你能制造一种化剂,你就能把二氧化碳中碳从氧气中分解出来。

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VOA Special 2021年12月合集

16." 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更多研究。"

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NPR音讯 2018年4月合集

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

那成为化剂了吗?2012年之后,发生了哪些变化?

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中高级英语短文

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

但是使用铜作为化剂有一问题。

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彭博洞察

19.Which brings us to a catalyst behind Nvidia's recent extraordinary rise.

这让我们看到了英伟达近期非凡崛起背后化剂

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如何避免气候灾难

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

在科学中,化剂是一种加速化学反应物质。

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