八八字典>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

    • When classic mesoporous aluminosilicates are used as catalysts, both phenol conversion and2,4-DTBP selectivity are very low.
      普通介孔硅铝酸盐作催化剂时苯酚的转化率和2,4-二叔丁基苯酚的选择性都偏低。
    • BASF employs synthetic inorganic chemists to develop new catalysts and pigments.
      巴斯夫公司雇用无机化学家合成催化剂和开发新颜料。
    • 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。
    • 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。
    • It is found that the catalysts have a strong effect on the growth of BCN nanotubes.
      实验中发现催化剂在BCN纳米管的生长过程中有重要作用。
    • 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。
    • 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。
    • 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 catalytic activity and selectivity of the catalysts for n-pentane isomerization at ambient temperature were investigated.
      考察了所制备的催化剂上常温下正戊烷异构化反应的活性和选择性。
    • 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。