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 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。
    • Five catalysts were prepared from nickel ores and optimal catalyst was screened out.
      以富含镍的矿石为原料,制备了五种催化剂,确定了最佳催化剂。
    • The Study of PdO-CeO_2 Composite Catalysts for CO and CH_4 Catalytic Oxidation
      PdO-CeO2复合氧化物催化剂的CO和CH4催化氧化性能研究
    • 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。
    • 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。
    • 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。
    • Precious metal catalysts synthesis and its catalytic preparation of hydrogen from biomass;
      贵金属催化剂的合成及其催化生物质制备氢气;
    • Recent research progress on the propylene epoxidation catalysts which use molecular oxygen or hydrogen peroxide as oxidants is reviewed.
      评述了以分子氧和双氧水为氧源的丙烯环氧化催化剂体系的最新研究进展。
    • Recent progress in improving the sulfur resistance of noble metal aromatic saturation catalysts is reviewed in this paper.
      本文着重对改善贵金属芳烃饱和催化剂抗硫性的最新研究进行了综述。
    • Ammonium thiosulfate as a novel sulfiding agent was used for presulfidation of hydrodesulfurization ( HDS) catalysts.
      研究了新型固体硫化剂硫代硫酸铵对加氢脱硫催化剂的预硫化。