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

• 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 evaluation methods for coke factor and gas factor of FCC equilibrium catalysts were discussed.
  探讨了催化裂化平衡剂生焦因子和生氢因子的评价方法。
• 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。
• 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。
• 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。
• 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。
• 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 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。
• 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。