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

• 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。
• 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
• Finally, the development trend of solid superacid catalysts is presented.
  展望了固体超强酸催化剂在生物柴油制备中的发展方向。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。