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 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。
• 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。
• 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 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。
• 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。
• 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。
• 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。
• 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。
• Effects of several kinds of acidic catalysts on castor oil dehydration have been explored.
  考察了若干种酸性催化剂对蓖麻油脱水的影响。
• 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。