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
- Mechanical test results must be evaluated In conjunction with catalyst activity, selectivity, and stability data.
必须将机械测试结果和催化剂活性、选择性和稳定性数据联系起来进行综合评价。 - The solvent capacity of ionic liquid for alkane is important to he separation of the alkylate and the catalyst.
而饱和烷烃在离子液体中的溶解能力对烷基化产物和催化剂的分离十分重要。 - 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。 - In-situ thermal degrdn. of a com. dehydrogenation catalyst in a fixed-bed reactor is studied exptl.
用实验研究了在固定床式反应器中一种普通脱氢用催化剂的实时热降解。 - 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。 - In this paper, with solid superacid as catalyst for isoamyl propionate synthesis was studied.
本论文用固体超强酸为催化剂对丙酸异戊酯的合成进行了研究。 - With more active catalyst, the reaction was carried out completely.
由于使用了活性较大的催化剂，反应进行地很彻底。 - 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。 - Presents the performances and industrial application of TH-1 dehydrogenation catalyst.
介绍TH-1型脱氢催化剂的性能及工业应用情况。 - Suspension bed hydrocracking technology and water soluble catalyst were used for upgrading of atmospheric residue from Dagang oil field.
采用悬浮床加氢技术和水溶性分散催化剂对大港常压渣油进行了轻质化和改质研究。