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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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 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。