catalysts是什么意思？

catalysts

英['kætəlɪsts] 美['kætəlɪsts]

• n. <化>催化剂( catalyst的名词复数 )，触媒，促进因素，有感染力的人；

例句

• The setting of mechanical specifications for catalysts should take into consideration the needs of the user. 催化剂的机械测试技术规范的制定应考虑到用户的需要.
• The Chemists have tinkered with heat and metal catalysts to refine their materials. 化学家摆弄热和金属催化剂来提炼.
• Catalysts that lower markedly the activation energy of the reactions are required. 需要显著降低反应活化能的催化剂.
• Copper - containing catalysts are the most suitable catalysts for producing 1, 2 - propanediol through catalytic hydrogenolysis of glycerol. 对甘油催化氢解制取1, 2- 丙二醇效果最好的是含铜的催化剂.
• Application status and trends in hydrodesulfurization ( HDS ) and olefine hydrogenation catalysts are reviewed. 综述了国内外加氢转化催化剂的开发应用现状和发展趋势.
• The catalysts and processes for conversion of aromaticswere reviewed , especially those for catalytic hydrodealkylation and transalkylation. 重点阐述了催化加氢脱烷基和烷基转移反应特点和有关催化剂的研究以及国内外主要工艺发展现状.
• The slurry phase hydrocracking - hexyl - benzene was studied under the presence of dispersed catalysts in a micro reactor. 利用微型反应釜,考察了正己基苯在硝酸镍甲醇溶液、硝酸铜甲醇溶液、硝酸镍水溶液、硝酸铜水溶液、硝酸和水催化下的悬浮床加氢裂化反应.
• Many processes that are essential to the chemical industry use heterogeneous catalysts. 很多重要的化学工业过程就是使用多相催化剂的.
• The preparation of catalysts , yield of glyceryl triacetate and and demerits the catalysts were introduced briefly. 对上述催化剂制备、三醋酸甘油酯收率、催化剂优缺点作简要介绍.
• Recent progress on asymmetric epoxidation of alkenes by chiral catalysts was summaries. 综述了手性催化剂催化的不对称环氧化反应研究进展情况.

柯林斯高阶英汉双解学习词典释义

• 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 a catalyst .
  例句
  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。 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。
• N-COUNT
  (化学)催化剂
  In chemistry, a catalyst is a substance that causes a chemical reaction to take place more quickly.