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| 1 | Optimization of hydrothermal synthesis of H-ZSM-5 zeolite for dehydration of methanol to dimethyl ether using full factorial design显示文摘H-ZSM-5 zeolite was synthesized by hydrothermal method.The effects of different synthesis parameters,such as hydrothermal crystallization temperature(170-190 C) and Si/Al molar ratio(100-150),on the catalytic performance of the dehydration of methanol to dimethyl ether(DME) over the synthesized H-ZSM-5 zeolite were studied.The catalysts were characterized by N 2 adsorption-desorption,XRD,NH 3-TPD,TGA/DTA,and SEM techniques.The full factorial design of experiments was applied to the synthesis of H-ZSM-5 zeolite and the effects of synthesis conditions and their interaction on the yield of DME as the response variable were determined.Analysis of variance showed that two variables and their interaction significantly affected the response.According to the experimental results,the optimized catalyst prepared at 170 C with the Si/Al molar ratio of 100 showed the best catalytic performance among the tested H-ZSM-5 zeolite. | Samaneh Hosseini Majid Taghizadeh Ali Eliassi | 2012 | Journal of Natural Gas Chemistry2012，21，3： | 3 |
| 2 | Experimental Study and Modeling of an Adiabatic Fixed-bed Reactor for Methanol Dehydration to Dimethyl Ether显示文摘One-dimensional heterogeneous plug flow model was employed to model an adiabatic fixed-bed reactor for the catalytic dehydration of methanol to dimethyl ether.Longitudinal temperature and conversion profiles predicted by this model were compared to those experimentally measured in a bench scale reactor.The reactor was packed with 1.5mm γ-Al2O3 pellets as dehydration catalyst and operated in a temperature range of 543-603K at an atmospheric pressure.Also,the effects of weight hourly space velocity(WHSV)and temperature on methanol conversion were investigated.According to the results,the maximum conversion is obtained at 603.15K with WHSV of 72.87h-1. | M. Fazlollahnejad M. Taghizadeh A. Eliassi G.Bakeri | 2009 | Chinese Journal of Chemical Engineering2009，17，4： | 2 |
| 3 | On the continuum-scale modeling of gravity-driven fingers in unsaturated porous media:the inadequacy of the Richards equation with standard monotonic constitutive relations and hysteretic equations of state显示文摘 | ELIASSI M GLASS R J | 2001 | Water Resources Research2001，37，8： | 1 |
| 4 | Role of the ventrome- dial hypothalamic orexin-1 receptors in regulation of gastric acid secretion in conscious rats显示文摘 | ELIASSI A NAZARI M NAGHDI N | 2009 | Journal of Neuroendocrino logy2009，21，3： | 1 |
| 5 | Effects of temperature and feed composition on catalytic dehydration of methanol to dimethyl ether over γ-alumina显示文摘 | Freshteh Raoof Majid Taghizadeh Ali Eliassi | 2008 | Fuel2008，，87： | 1 |
| 6 | 辣椒离体植株再生及其变异的SSR检测显示文摘采用6个不同基因型辣椒(Capsicum annuum L.)的子叶、下胚轴、去除生长点并带下胚轴和各切去一半的两片子叶、去除生长点并带下胚轴和半片子叶为外植体,分别培养在附加不同激素和AgNO3的MB5和MS培养基上,研究不同基因型、外植体、激素配比和AgNO3等对外植体不定芽诱导和芽伸长的影响。结果表明,不定芽诱导以MB5+2.0mg·L-1TDZ+1.0mg·L-1IAA+4mg·L-1AgNO3培养基最佳,诱导率最高可达100%。而芽伸长的最佳培养基为MB5+3.0mg·L-16-BA+0.5mg·L-1IAA+5.0mg·L-1AgNO3+2.0mg·L-1GA3,最高伸长率可达87.5%。生根培养基为MS+0.2mg·L-1IAA+0.1mg·L-1NAA,生根率均达100%。不同的外植体类型具有不同的不定芽诱导和芽伸长的能力,以去除生长点并带下胚轴和各切除一半的两片子叶作外植体时的诱导效果最好。用50对SSR引物检测再生植株,其中86株伏地尖的再生植株和对照植株间均没有扩增出差异条带,而茄门再生植株的SSR检测结果有12对引物表现多样性。 | Mohammad Daoud Eliassi 沈火林 杨文才 谭芳 王帅 郭爽 | 2009 | 中国蔬菜2009，，18： | 1 |
| 7 | Effects of temperature and feed composition on catalytic de hydration of methanol to dimethyl ether over y-alumina显示文摘 | Freshteh Raoof Majid Taghizadeh Ali Eliassi | 2008 | Fuel2008，87，1314： | 1 |
| 8 | Effects of temperature and feed composition on catalytic dehydration of methanol to dimethyl ether overγ-alumina显示文摘 | Raoof F Taghizadeh M Eliassi A | 2008 | Fuel2008，87，1314： | 1 |
| 9 | Effects of temperature and feed composition on catalytic dehydration of methanol to dimethyl ether over γ-alumina 显示文摘 | Raoof Freshteh Taghizadeh Majid Eliassi Ali | 2008 | Fuel2008，87，： | 1 |
| 10 | Effects of temperature and feed composition on catalytic dehydration of methanol to dimethyl ether over γ-alumina显示文摘 | Freshteh Raoof Majid Taghizadeh Ali Eliassi Fereydoon Yaripour | 2008 | Fuel2008，，13： | 1 |
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