isomerization相关论文
Isomerization of n-pentane catalyzed by amide-AlCl3-based ionic liquid analogs with various additive
The isomerization of n-pentane to generate high-quality blending components for clean gasoline was catalyzed by several ......
该文通过将低温C18色谱柱和C30色谱柱组合构建了可用于番茄红素异构体纯化的正交分离方法.研究表明,当色谱柱温低于-20 ℃时,普通C......
采用MP2和密度泛函M06-2X方法,在6-31++G(d,p)基组水平上对烯丙基类不对称醚异构化反应机理进行了计算研究.揭示了其可能的反应途......
Triethylamine-catalyzed Isomerization of Glucose to Fructose under Low Temperature Conditions in Aqu
Isomerization of glucose derived from lignocellulosic biomass is an important step in biorefinery. Fructose isomerized f......
The catalyst NiW/HSAPO-11 was prepared by impregnating Ni and W onto HSAPO-11 zeolite with two different methods. The is......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
A preparation process of 2-methylnaphthalene(2-MN) was proposed by isomerization, side-stream distillation and extractiv......
Role of support nature (γ-Al2O3 and SiO2-Al2O3) on the performances of rhenium oxide catalysts in th
The metathesis of ethylene and 2-pentene was studied as an altative route for propylene production over Re2O7/γ-Al2O3 a......
C5-C8烷烃异构化反应是提高汽油辛烷值的重要手段,已成为人们的研究热点.综述了近年来C5-C8烷烃异构化反应中应用的改性分子筛催化......
近年来,随着三元乙丙橡胶的广泛应用,作为其首选第三单体的亚乙基降冰片烯(ENB)越来越受到关注.综述了ENB的反应机理、合成工艺、......
过微乳液法负载Pt制备了Pt-S2O2-8/ZrO2-Al2O3 (Pt-SZA-X)催化剂,并采用XRD、BET、FT-IR、TPR、TEM等手段对催化剂进行了表征.以正......
采用“沉淀-浸渍”法制备一系列不同硫酸负载量的SO2-4/ZrO2-Al2O3催化剂,利用N2吸附-脱附、Py-FTIR、XRD等手段对催化剂进行表征.......
Synthesis of Di-substituted Proazaphosphatrane and Its Application in Carbon-carbon Double-bond Isom
本文通过对荣华二采区10...
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Experimental study to confirm the existence of hydrocarbon under high pressure and temperature of de
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The catalytic species [Cp2TiH], formed in situ from the reaction of titanocene dichloride with Grignard reagents having ......
ZSM-35 zeolite was first synthesized by Plank et al[1] in 1977. ZSM-35 belongs to the category of medium-porous zeolites......
以柏木油为原料，对柏木油中罗汉柏木烯异构化生成 Olefin B 的催化剂种类及影响因素进行了对比研究。结果表明：以五氧化二磷为催化剂......
An efficient isomerization of alkynyl ketones to (E,E)-diene ketones was developed. The reaction catalyzed by 20 mol%tri......
Synthesis of Di-substituted Proazaphosphatrane and Its Application in Carbon-carbon Double-bond Isom
Diisopropyltren was synthesized from the reaction of tren with benzaldehyde in toluene, followed by reducing the imine i......
制备一系列不同La质量分数的La-Ni-S2O82-/Zr O2-Al2O3催化剂(记为La-Ni-SZA),采用XRD、BET、H2-TPR、FTIR、Py-IR等手段对催化剂......
采用脉冲微反装置评价了纯正丁烷、含有不同比例异丁烷的混合丁烷在Au改性的纳米HZSM-5催化剂上的反应活性和异构化选择性。结果表......
Endo-dicyclopentadiene was isomerized to exo-isomer by thermal treatment at evaluated temperature and pressure.The react......
Cis-trans isomerization of [9]-annulenanion(1) and its 2-fluoro-,2-chloro-and 2-bromo-derivatives(2,3 and 4,respectively......
Chloroaluminate ionic liquid catalyzed isomerization of n-pentane in the presence of product distrib
The ionic liquid Et3NHCl-2AlCl3 can catalyze the isomerization of n-pentane. This paper investigates the ionic liquid ca......
运用Ｂ３ＬＹ／６—３１Ｇ（ｄ）密度泛函理论（ＤＦＴ）方法对苯并氧化呋咱、邻二亚硝基苯及其间的异构化反应进行了计算研究。结果表明，苯并氧化呋咱的分子总能量比邻......
Effect of Ni Loading on the Catalytic Properties of Molybdenum Oxides for the Isomerization of Hepta
The catalytic properties of MoOx and incorporation Ni onto the MoOx for the isomerization of heptane have been investiga......
The catalytic species [Cp2TiH], formed in situ from the reaction of titanocene dichloride with Grignard reagents having ......
The conversion of n-butane to isobutane over strong acid catalysts is an important process in the petrochemical refining......
A possible isomerization channel from BrONO (bromine nitrite) to BrNO2 (nitryl bromide) is predicted by means of MP2 and......
Experimental study to confirm the existence of hydrocarbon under high pressure and temperature of de
Pyrolysis of lignite was conducted at high temperatures from 400 to 700℃ and high pressures of 1 and 3 GPa in a closed ......
A WC-supported S2O2-8/ZrO2(PSZ) catalyst was prepared and characterized by means of XRD, BET, FTIR and XPS. The isomeriz......
A new planar isomer of HNC3 system, H-cCNC-C, is theoretically predicted by means of B3LYP and CCSD(T) methods. The sugg......
松脂中枞酸型树脂酸在酸的作用下经过异构反应、结晶分离得到99.15%高纯度(-)-(4R,10R,9S,5R)-7,13-二烯-18-枞酸,得率74.2%.通过M......
The structure and mechanism of isomerization of CH3SB have been studied by using DFT method at the B3LYP/6-311G** level.......
Ab initio Hartree-Fock theory at the aug-cc-pvtz level is used to investigate the equilibrium structures and isomerizati......
The rapid development of automobile and the greatly increased consumption of fuel have caused more and more serious air-......
The effect of sulfate ion (SO42-) loading on the properties of Pt/SO42- -ZrO2 and on the catalytic isomerization of n-bu......
Fifteen isomers of [Si,N,C,O]2+ system are obtained at UB3LYP/6-311G(d) and UCCSD(T)/6-311+G(2df) (single-point) levels.......
Nine isomers, twenty transition states, and some relative dissociation fragments of [C,N,N,P] system were located at the......
本文使用大气压气相色谱电离源-飞行时间质谱(APGC-QTOF-MS)技术,通过优化色谱分离条件,菊酯类农药及其同分异构体均实现色谱基线......
采用低温老化,高温晶化两步法在Na2O-Al2O3-SiO2-HMI-H2O体系中水热动态合成了纳米MCM-49分子筛,采用XRD,SEM,N2吸/脱附曲线和NH3-......
本实验利用程序升温还原法制备了SAPO-11负载碳化钼催化剂。XRD分析表明，利用正己烷作为碳源得到了对异构化具有活性的β—Mo2C。通......
烯烃及其衍生物异构化是一种利用碳碳双键沿骨架碳链发生位置迁移或顺反构型变换构建新烯烃的合成方法,对于有机合成、日用化学品......
研究了番茄红素乳液在制备、贮存和使用过程中的稳定性。番茄红素乳液存放于4℃较25℃条件下乳液稳定性好。番茄红素乳液水溶液的......
介绍了替代进口的国产SKI-400C C8芳烃异构化催化剂在天津200kt/a聚酯工程异构化装置的应用情况,重点介绍了新装置的投料试车情况.......
国内某炼厂新建的催化汽油醚化装置引进国外技术，其工艺流程及安全联锁方案与国内其他醚化装置相比具有一定的特点。该文主要介绍讨......
