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- The best concentration of isopropanol in the mobile phase is 1%. 流動(dòng)相中異丙醇體積分數以1%25為最佳。
- After salt out process and regular distillation, the recycling purity of isopropanol can reach above 98%. 經(jīng)鹽析后，只需經(jīng)普通蒸餾，異丙醇回收純度即可達到98%25以上。
- After salt out process and regular distillation,the recycling purity of isopropanol can reach above 98%. 經(jīng)鹽析后,只需經(jīng)普通蒸餾,異丙醇回收純度即可達到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催化劑進(jìn)行仲丁醇脫氫合成甲乙酮的研究。
- First, the nature of dehydrogenation of ethylbenzene to styrene was studied in an experilmen-tal adiabatic reactor. 針對乙苯脫氫絕熱反應器工程特點(diǎn)建立了有關(guān)轉化率和選擇性的數學(xué)模型。
- The kinetics of dehydrogenation of 2-butanol to butanone on Ni-Ultrafine particle catalyst has been studied. 本文研究了鎳超細粒子催化2-丁醇液相脫氫反應的動(dòng)力學(xué)。
- Catalytic dehydrogenation of methanol is a promising process of producing water free formaldehyde. 利用甲醇催化脫氫合成無(wú)水甲醛是一條新的工藝路線(xiàn)。
- Catalytic dehydrogenation of ethylbenzene is an important method for production of styrene. 乙苯催化脫氫是生產(chǎn)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氧化脫氫速度比丁烯-1要快。
- Dehydrogenation of ethylbenzene to styrene using a mixed type catalyst was described. 介紹乙苯脫氫制苯乙烯時(shí)使用混合催化劑的情況。
- The research progress in catechol synthesis by dehydrogenation of 1,2cyclohehanediol were reviewed. 綜述了1,2環(huán)己二醇催化脫氫制取鄰苯二酚的研究進(jìn)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. 采用間歇加鹽的萃取方式,散堆玻璃填料塔,優(yōu)化選取了回流比,溶劑比等相關(guān)工藝參數。
- The catalytic dehydrogenation of ethylbenzene to styrene in zeolite membrane reactors was studies. 采用管式沸石膜反應器，研究了乙苯脫氫反應生成苯乙烯的性能。
- A mathematical model was established for catalytic dehydrogenation of butane in plug flow membrane reactor. 建立了模擬真實(shí)實(shí)驗室膜反應器的數學(xué)模型：活塞流數學(xué)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. 丙烷氧化脫氫制丙烯是利用天然氣、油田氣和煉廠(chǎng)氣的一個(gè)重要課題。
- How can I persuade you of my sincerity? 我如何能夠讓你相信我的誠意？
- There is a vein of melancholy in his character. 他的性格中有少許憂(yōu)郁的氣質(zhì)。
- Activated carbon,graphite,carbon nanofibers(CNF) and CNF supported phosphoric oxides were tested as the catalysts for oxidative dehydrogenation of propane(ODP). 考察了納米碳纖維(CNF)、活性炭、石墨以及CNF負載磷氧化物催化劑催化丙烷氧化脫氫(ODP)反應性能。
- A bowl of hot chicken soup is good for you. 喝一碗熱雞湯對你有好處。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽團。
