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

• 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。
• 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。
• 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。
• 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 article also puts forth some advice on the research and development of catalytic oxidation catalysts.
  同时，对催化氧化技术的进一步研究提出了建议。
• 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 research progress on the propylene epoxidation catalysts which use molecular oxygen or hydrogen peroxide as oxidants is reviewed.
  评述了以分子氧和双氧水为氧源的丙烯环氧化催化剂体系的最新研究进展。
• 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。
• 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。