catalyst
英 [ˈkætəlɪst]
美 [ˈkætəlɪst]
n. 催化剂; 促使变化的人; 引发变化的因素
复数：catalysts
Collins.1 / BNC.8852 / COCA.7915
牛津词典
noun
- 催化剂
a substance that makes a chemical reaction happen faster without being changed itself - 促使变化的人；引发变化的因素
a person or thing that causes a change- I see my role as being a catalyst for change.
我认为我的角色是促成变革。
- I see my role as being a catalyst for change.
柯林斯词典
- 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 acatalyst.- 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。
- I very much hope that this case will prove to be a catalyst for change...
- (化学)催化剂
In chemistry, acatalystis a substance that causes a chemical reaction to take place more quickly.
英英释义
noun
- 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
双语例句
- Butyraldehyde glycol acetal was synthesized from butyraldehyde and glycol by using iodine as catalyst.
以单质碘为催化剂，通过丁醛和乙二醇反应合成了丁醛乙二醇缩醛。 - 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。 - Dichloropropanol was synthesized by chlorination of glycerol with hydrogen chloride under catalysis of organic acids and self-made inorganic catalyst.
以甘油为原料，氯化氢气体为氯化剂，分别在自制无机催化剂和有机酸的催化作用下制取了二氯丙醇。 - Synthesis of allantoin from glyoxylic acid and urea using ion exchange resins as catalyst was investigated.
对三种阳离子交换树脂在乙醛酸与尿素缩合反应中的催化活性进行了研究。 - What he said served ( or acted) as a catalyst for my change.
他的话像催化剂一样促成了我的转变。 - Isoamyl butyrate was synthesized from butyric acid and isoamyl catalyzed by composite solid acid as the catalyst.
用丁酸和异戊醇为原料，复合固体酸为催化剂合成了丁酸异戊酯。 - Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋酸和乙二醇单乙醚为原料，活性白土负载磷钨酸作为催化剂，合成了乙二醇单乙醚醋酸酯。 - The progress on the research of immobilization of homogeneous catalyst is introduced.
介绍了均相催化剂的固载化研究进展。 - The Development and Application of Production Control System for Catalyst
催化剂生产管理系统的开发和应用研究 - And the relevant suggestion for developing trend of catalytic cracking process and catalyst is pointed out.
对催化裂化工艺和催化剂的发展趋势提出了相关的建议。