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

• 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。
• 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。
• Catalysts are materials which greatly speed up chemical reactions.
  催化剂是可以大大加速化学反应的物质。
• 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。
• 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。
• 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；
• The effects of reaction time, solvent and catalysts were investigated.
  考察了时间、溶剂和催化剂对反应的影响。
• 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。
• Recent research development in solid phase crystallization method for preparing supported metal catalysts was reviewed.
  综述了近几年发展起来的一种负载型金属催化剂的制备方法&固相析出法的研究进展。
• 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。