catalyst
catalyst
英[ˈkætəlɪst]美[ˈkætəlɪst]
n.<化>触媒，催化剂，〈比喻〉触发因素，促进因素，〈口〉有感染力的人；
复数：catalysts;
例句
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。
Beer staling was also influenced the metal ions as the catalyst for staling re action.金属离子的存在能催化自由基反应,金属离子清除剂对啤酒老化也有一定作用.
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.
Methyl 3 - methoxypropionate ( MMP ) was prepared from methanol and methyl acrylate ( MA ) using sodium methoxide as catalyst.以甲醇和丙烯酸甲酯 ( MA ) 为原料,甲醇钠为催化剂,合成了 3- 甲氧基丙酸甲酯 ( MMP ).
Presents the water washing of methanation catalyst used in ammonia plant of Daqing chemical fertilizer plant.介绍中石油大庆石化公司化肥厂合成氨装置甲烷化催化剂水洗情况.
The preparation of activated carbon with mesopore by catalyst was summarized.总结了催化法制备中孔炭的几种路径.
Uses: Agriculture chemical , fertilizer , fodder and pigment, catalyst, purifying pharmaceutical , disinfectant , magnetisable material raw materials, etc.用途: 农药 、 料 、 料及颜料, 催化剂 、 化剂 、 性材料原料等.
The macrokinetics of CO gas coupling reaction on Pd catalyst was studied in a fixed - bed reactor.采用固定床积分反应器,研究了自制的负载型钯系催化剂上CO气相催化偶联主、副反应的宏观动力学模型.
A new high activity , lowcost catalyst and the optimal reaction conditions were found by experiments.通过实验找到了一种新型、高效 、 廉价的催化剂,以及*佳反应条件.
The Catalyst that is suitable for Shenhua coal liquification was found out through experiment study.通过试验研究找出了适于神华煤液化的催化剂.
英语四级真题
The microwave and fast-food chains were the biggest catalysts ( ' , 催化剂 ), but the big food companies—which want to sell anything except the raw ingredients that go into cooking—made the home cook an endangered species.
出自-2015年12月阅读原文柯林斯高阶英汉双解学习词典释义
N-COUNT
催化剂;诱因;诱导者
You can describe a person or thing that causes a change or event to happen as a catalyst .
例句
I very much hope that this case will prove to be a catalyst for change...我非常希望这起事件能催生变革。He said he saw the bank's role as a catalyst to encourage foreign direct investment.他说，他认为银行就应该起到刺激外国直接投资的作用。N-COUNT
(化学)催化剂
In chemistry, a catalyst is a substance that causes a chemical reaction to take place more quickly.
英汉词典释义
n.
<化>催化剂,触媒
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。促进因素;有感染力的人,能激发对方的人
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。英英词典释义
Noun
1. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
2. something that causes an important event to happen;
"the invasion acted as a catalyst to unite the country"行业词典
体育： 催化剂；
农学： 催化剂；
冶金学： 催化剂；
化学： 催化剂；
化工： 催化剂；
医学： 催化剂：能引起催化作用的任何物质；
航天： 催化剂；
