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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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 addition, the research of other routes and catalysts for DMC synthesis are also carried out.
  此外对其它新的DMC合成路线及催化剂也进行了探索性研究。
• 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。