记作业>英语词典>catalysts翻译和用法

catalysts

英 [ˈkætəlɪsts]

美 [ˈkætələsts]

n.  催化剂; 促使变化的人; 引发变化的因素
catalyst的复数

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.

    双语例句

    • The influence of catalysts, solvents, reaction temperature and reaction time on the product distributions was investigated emphatically.
      考察了催化剂、溶剂、反应温度和反应时间对重排产物分布的影响。
    • The catalysts for selective conversion of high n-alkanes into their branched isomers were introduced, particularly the mesoporous materials.
      介绍了长链正构烷烃异构化的催化剂,并着重探讨了介孔分子筛催化剂在这方面的研究进展。
    • TPR results showed that the reduction ability of catalysts was determined by the calcination and composition.
      TPR结果表明焙烧温度和复合氧化物的组成决定了材料的可还原性能。
    • In this paper, we adopted the sol-gel, dipping and smear methods to prepare the soot oxidation catalysts.
      本论文采用溶胶-凝胶法、浸渍法和涂抹法制备了碳烟氧化催化剂。
    • Noble catalysts have high activity and selectivity, and the reaction conditions are mild.
      贵金属催化剂活性高,选择性好,反应条件温和。
    • The influence of the reaction time, the quantities of catalysts on the yield and quality were investigated.
      研究了催化剂的用量,水醇比,反应时间对收率和质量的影响。
    • In addition, the research of other routes and catalysts for DMC synthesis are also carried out.
      此外对其它新的DMC合成路线及催化剂也进行了探索性研究。
    • The formation and catalytic properties of catalysts were studied and characterized by elemental analysis, XPS, TPDE, TPR, CO adsorption and benzene hydrogenation.
      通过元素分析、TPR、TPDE、XPS,CO吸附和苯加氢反应对以镍配合物和簇合物为前体制备的催化剂的性能及其制备过程进行了研究和表征。
    • Finally, the development trend of solid superacid catalysts is presented.
      展望了固体超强酸催化剂在生物柴油制备中的发展方向。
    • Activities of the catalysts for the WGS and MSR werealso carried out using a conventional micro-reactor flow system.
      此外,使用传统的微反应器流系统对WGS和MSR的活动性进行测量。