catalyst

[美]/'kæt(ə)lɪst/
[英]/'kætəlɪst/
词频: 极高

释义

n. 催化剂,触媒 促进因素 有感染力的人
词形变化
复数catalysts

短语搭配

catalyst for change

变革的催化剂

catalyst for growth

增长的催化剂

phase transfer catalyst

相转移催化剂

hydrogenation catalyst

加氢催化剂

catalyst bed

催化剂床

catalyst carrier

n. 催化剂载体

ammonia synthesis catalyst

氨合成催化剂

catalyst support

催化剂载体

zeolite catalyst

沸石催化剂

spent catalyst

废催化剂;用过的催化剂

oxidation catalyst

氧化催化剂

homogeneous catalyst

均相催化剂

heterogeneous catalyst

非均相催化剂;多相催化;不匀触媒

platinum catalyst

铂催化剂

dehydrogenation catalyst

脱氢催化剂

polymerization catalyst

[化]聚合催化剂

catalyst poisoning

催化剂中毒

例句

a catalyst for the unrest was the passage of a privatization law.

动乱的起因是通过了一部私有化法律。

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。

political agitators who are the yeast of revolution.See Synonyms at catalyst

激起革命的政治鼓动者参见 catalyst

After an eight-month running the GRV-C catalyst in the catalyst inventory reached 90% improved performance of catalyst was obtained.

在应用GRV-C催化剂8个月后,其在藏量中达到90%左右时进行了总结标定。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂可以分为两类,过渡金属双功能催化剂和过渡金属氮化物、碳化物和碳氧化物催化剂。

the prime minister's speech acted as a catalyst for debate.

首相的演讲对争论起到促进作用。

motorists who retrofit catalysts to older cars.

给老车加催化剂的车手。

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

介绍了国内外醇胺催化脱氢制备氨基酸的研究发展情况。

a serious breach of trust that was the catalyst for the divorce;

成为离婚催化剂的一次严重的背信行为;

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。

It acts as a catalyst in the process of fermentation.

它在发酵过程中起触媒的作用。

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

摘 要: 介绍了国内外醇胺催化脱氢制备氨基酸的研究发展情况。

Preparation of tetracarbonyl cobaltate sodium, an important homogeneous complex catalyst, was studied.

用红外光谱和碘量法定性、定量测定了四羰基钴钠均相络合催化剂的物化性能。

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苯与丙烯酸交叉偶联生成反式-肉桂酸的催化性能。

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

工人们要求改善工作条件促进了社会变革。

Abstract: The reaction of methyl ethyl ketazine and water to hydrazine hydrate was studied in the catalyst conditions.

摘要: 以丁酮连氮和去离子水为原料,研究了在催化剂条件下丁酮连氮水解制水合肼的不同工艺条件;

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条件下合成橙花素。

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,以乙基纤维素为材料用相分离进行包覆。

The process for preparation of isorotenone from rotenone by catalyst AlCl3 is feasible,and the reaction condition was mild.

实验结果表明,三氯化铝催化鱼藤酮异构化的方法可行,反应条件温和。

原声例句

Leadership is the catalyst for transforming those talents into results.

领导艺术 是一种催化剂,将众人的才智转化为业绩。

来源: 100 Classic English Essays for Recitation

Every supervisor is a catalyst to motivation.

每位管理者都是动机的催化剂。

来源: Modern University English Intensive Reading (2nd Edition) Volume 3

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。

来源: Emma Watson Compilation

It's also the catalyst for El Nino rainstorms.

这也是厄尔尼诺暴雨的催化剂。

来源: CNN Selected March 2016 Collection

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导火索。

来源: "BBC Documentary: The Truth about Diaoyu Islands"

It might be a most unfortunate catalyst for good change.

这可能是一个最不幸的催化剂,会带来良好的变化。

来源: VOA Standard English_Americas

It appears that global climate change was the catalyst.

看起来全球气候变化是催化剂。

来源: Jurassic Fight Club

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

我觉得大概是在四年前,艾伦催生了这一想法。

来源: VOA Standard English_Americas

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。

来源: English world

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。

来源: 2021 Celebrity High School Graduation Speech

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