catalyst

[美國]/'kæt(ə)lɪst/
[英國]/'kætəlɪst/
詞頻: 非常高

中文釋義

n. 催化劑,觸媒 促進因素 有感染力的人
Word Forms
複數catalysts

短語搭配

catalyst for change

變革的催化劑

catalyst for growth

增長的催化劑

phase transfer catalyst

相轉移催化劑

hydrogenation catalyst

加氫催化劑

catalyst bed

催化劑牀

catalyst carrier

n. 催化劑載體

ammonia synthesis catalyst

氨合成催化劑

catalyst support

催化劑載體

zeolite catalyst

沸石催化劑

spent catalyst

廢催化劑;用過的催化劑

oxidation catalyst

氧化催化劑

homogeneous catalyst

均相催化劑

heterogeneous catalyst

非均相催化劑;多相催化;不勻觸媒

platinum catalyst

鉑催化劑

dehydrogenation catalyst

脫氫催化劑

polymerization catalyst

[化]聚合催化劑

catalyst poisoning

催化劑中毒

例句

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

動亂的起因是通過了一部私有化法律。

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

糠醛樹脂化結焦是導致催化劑失活的主要原因。

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

激起革命的政治鼓動者參見 catalyst

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

在應用GRV-C催化劑8個月後,其在藏量中達到90%左右時進行了總結標定。

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,正丁烷脫氫異構催化劑可以分爲兩類,過渡金屬雙功能催化劑和過渡金屬氮化物、碳化物和碳氧化物催化劑。

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

首相的演講對爭論起到促進作用。

motorists who retrofit catalysts to older cars.

給老車加催化劑的車手。

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

介紹了國內外醇胺催化脫氫製備氨基酸的研究發展情況。

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

成爲離婚催化劑的一次嚴重的背信行爲;

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

催化劑是一種能加速化學反應的物質。

It acts as a catalyst in the process of fermentation.

它在發酵過程中起觸媒的作用。

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

摘 要: 介紹了國內外醇胺催化脫氫製備氨基酸的研究發展情況。

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

用紅外光譜和碘量法定性、定量測定了四羰基鈷鈉均相絡合催化劑的物化性能。

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

研究了該催化劑對碘代苯與丙烯酸交叉偶聯生成反式-肉桂酸的催化性能。

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

工人們要求改善工作條件促進了社會變革。

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

摘要: 以丁酮連氮和去離子水爲原料,研究了在催化劑條件下丁酮連氮水解制水合肼的不同工藝條件;

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

研究了利用多種相轉移催化劑在不同條件下合成橙花素。

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

摘要對兼具吸附和催化劑載體功能的多孔結構活性炭,以乙基纖維素爲材料用相分離進行包覆。

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

實驗結果表明,三氯化鋁催化魚藤酮異構化的方法可行,反應條件溫和。

原聲例句

Leadership is the catalyst for transforming those talents into results.

領導藝術 是一種催化劑,將衆人的才智轉化爲業績。

來源: 100 Classic English Essays for Recitation

Every supervisor is a catalyst to motivation.

每位管理者都是動機的催化劑。

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

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

真正的平等應該體現在社會各個方面,大學有能力成爲這種變革的重要加速器。

來源: Emma Watson Compilation

It's also the catalyst for El Nino rainstorms.

這也是厄爾尼諾暴雨的催化劑。

來源: CNN Selected March 2016 Collection

These islands have recently become a catalyst for Pacific aggression.

這片島嶼最近成爲太平洋爭端的一個導火索。

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

It might be a most unfortunate catalyst for good change.

這可能是一個最不幸的催化劑,會帶來良好的變化。

來源: VOA Standard English_Americas

It appears that global climate change was the catalyst.

看起來全球氣候變化是催化劑。

來源: Jurassic Fight Club

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

我覺得大概是在四年前,艾倫催生了這一想法。

來源: VOA Standard English_Americas

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

美國的航天計劃一直是技術創新極佳的催化劑。

來源: English world

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

而我們對此也深感熟悉,新冠疫情便是進一步推動這種技術變革的催化劑。

來源: 2021 Celebrity High School Graduation Speech

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