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。
• 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。
• At present, there are mainly two kinds of catalysts, iron-based and cobalt-based, for it.
  目前应用的费托合成催化剂主要有铁基和钴基催化剂两大类。
• This paper studies the optimal reaction conditions for the preparation of colloidal copper catalysts without protection of N_2.
  本文详细研究了无氮气保护下胶体铜催化剂的制备条件。
• 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。
• Spiroglycol is synthesized by circulating one-pot method with formaldehyde, isobutylaldehyde and pentaerythritol as main materials under catalysts.
  以甲醛、异丁醛和季戊四醇为主要原料，在催化剂作用下利用循环一锅法合成螺二醇。
• 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。
• 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 Greens were the catalysts of a necessary change in the European consciousness.
  绿党促使欧洲人的观念发生了必要的改变。
• 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。