英语单词

catalyst是什么意思

发布时间：2020-08-17 作者：英语查

catalyst 是什么意思

音标：[ 'kætəlist ]

中文翻译与英英解释

	n. 【化学】触媒，催化剂，接触剂〔又作 catalytic agent〕；〔比喻〕触发因素，〔口语〕(善用热情、言语等打动他人的)有感染力的人。

	something that causes an important event to happen; "the invasion acted as a catalyst to unite the country"
	(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected 同义词：accelerator,

例句与用法

	1.	Many medicines are products of catalysts . 很多内服药就是催化反应的产物。
	2.	The catalyst is subjected to a uniform ram pressure . 催化剂承受均匀活塞压力。
	3.	Those catalysts are used in small tubular reactors . 那些催化剂用于小型管式反应器。
	4.	There is actually a failure of the integral particle of the catalyst . 实际上存在有整粒催化剂的破碎。
	5.	To pass the water test the catalyst should not disintegrate or crumble . 经过泡水试验，催化剂应不开裂或破碎。
	6.	The first catalytic converters were called conventional oxidation catalysts . 最初的转化器叫做常规氧化催化器。
	7.	Various ceramic materials have been suggested as supports for reforming catalyst . 各种陶土管用作转化催化剂的载体。
	8.	Catalysts that lower markedly the activation energy of the reactions are required . 需要显著降低反应活化能的催化剂。
	9.	We should also choose a catalyst that is resistant to attrition and breakage . 我们还应当选用耐磨和不易粉碎的催化剂。
	10.	Activated charcoal is known to be an excellent catalyst for many reactions . 已知活性炭对很多反应是一种极好的催化剂。

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