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- The best concentration of isopropanol in the mobile phase is 1%. 流动相中异丙醇体积分数以1%25为最佳。
- After salt out process and regular distillation, the recycling purity of isopropanol can reach above 98%. 经盐析后,只需经普通蒸馏,异丙醇回收纯度即可达到98%25以上。
- After salt out process and regular distillation,the recycling purity of isopropanol can reach above 98%. 经盐析后,只需经普通蒸馏,异丙醇回收纯度即可达到98%25以上。
- BC-DH2004 catalyst was used in dehydrogenation of sec-butyl alcohol(SBA)to prepare methyl ethyl ketone(MEK). 采用BC-DH2004催化剂进行仲丁醇脱氢合成甲乙酮的研究。
- First, the nature of dehydrogenation of ethylbenzene to styrene was studied in an experilmen-tal adiabatic reactor. 针对乙苯脱氢绝热反应器工程特点建立了有关转化率和选择性的数学模型。
- The kinetics of dehydrogenation of 2-butanol to butanone on Ni-Ultrafine particle catalyst has been studied. 本文研究了镍超细粒子催化2-丁醇液相脱氢反应的动力学。
- Catalytic dehydrogenation of methanol is a promising process of producing water free formaldehyde. 利用甲醇催化脱氢合成无水甲醛是一条新的工艺路线。
- Catalytic dehydrogenation of ethylbenzene is an important method for production of styrene. 乙苯催化脱氢是生产苯乙烯的主要方法。
- It has be shown that the rate of oxidative dehydrogenation of butene-2 was faster than the rate of butene-1. 丁烯-2氧化脱氢速度比丁烯-1要快。
- Dehydrogenation of ethylbenzene to styrene using a mixed type catalyst was described. 介绍乙苯脱氢制苯乙烯时使用混合催化剂的情况。
- The research progress in catechol synthesis by dehydrogenation of 1,2cyclohehanediol were reviewed. 综述了1,2环己二醇催化脱氢制取邻苯二酚的研究进展。
- The effects of adding glycol+K2SO4,glycol+KAc,and glycol+ZnCl2 as extractive agents on the reflux ratio and solvent ratio in the batch extractive distillation of isopropanol have been investigated. 采用间歇加盐的萃取方式,散堆玻璃填料塔,优化选取了回流比,溶剂比等相关工艺参数。
- The catalytic dehydrogenation of ethylbenzene to styrene in zeolite membrane reactors was studies. 采用管式沸石膜反应器,研究了乙苯脱氢反应生成苯乙烯的性能。
- A mathematical model was established for catalytic dehydrogenation of butane in plug flow membrane reactor. 建立了模拟真实实验室膜反应器的数学模型:活塞流数学模型。
- The oxidative dehydrogenation of propane (ODP) to propene is one important subject in natural gas, oil field gas and refinery gas application area. 丙烷氧化脱氢制丙烯是利用天然气、油田气和炼厂气的一个重要课题。
- How can I persuade you of my sincerity? 我如何能够让你相信我的诚意?
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- Activated carbon,graphite,carbon nanofibers(CNF) and CNF supported phosphoric oxides were tested as the catalysts for oxidative dehydrogenation of propane(ODP). 考察了纳米碳纤维(CNF)、活性炭、石墨以及CNF负载磷氧化物催化剂催化丙烷氧化脱氢(ODP)反应性能。
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。