找诗词>英语词典>catalyst翻译和用法

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 

CET6TOEFLIELTSGRETEM4TEM8计算机

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
      1. 促使变化的人;引发变化的因素
        a person or thing that causes a change
        1. I see my role as being a catalyst for change.
          我认为我的角色是促成变革。

      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.
        1. 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。
        2. 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。
      • (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
          1. the invasion acted as a catalyst to unite the country
        • (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
            Synonym:accelerator

          双语例句

          • 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。
          • 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。
          • The supported catalyst was systematically optimized with respect to catalyst dosage and calcination temperature.
            实验了催化剂的负载量和煅烧温度对催化剂活性的影响。
          • In addition, the choices of the emulsifiers system and the catalyst are discussed.
            该部分着重讨论了复合乳化剂体系和催化剂的选择。
          • Research situation of synthesis methanol catalyst abroad& at home was introduced;
            介绍了国内外合成甲醇催化剂的研究情况;
          • The paper described the process method of recovering the metal palladium from waste TDI hydrogenation catalyst.
            阐述了从废TDI氢化触媒中回收贵金属钯的工艺方法。
          • 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。
          • 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。
          • 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
          • 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。