cataly相关论文
Air batteries are promising energy storage technologies that have gained continuous attraction due to their high energy ......
Enantiopure inherently chiral calix[4]arene derivatives containing quinolin-2-yl-methanol moiety:Syn
A series of novel N,O-type chiral ligands derived from enantiopure inherently chiral calix[4]arenes containing quinolin-......
A facile,one-pot synthesis of N-aryl propargylamine from aromatic boronic acid,aqueous ammonia,and propargyl bromide has......
Asymmetric reduction of α-hydroxy aromatic ketones to chiral aryl vicinal diols using carrot enzymes
Asymmetric reduction ofα-hydroxy aromatic ketones was carried out by using carrot enzymes system,yielding corresponding......
Biphenyl moiety represents a unique structural motif of many natural and unnatural products with biological interests, a......
As a sustainable and short-flow process, iron-catalyzed direct conversion of CO-rich syngas to lower olefins without int......
Assembling Co_9S_8 nanoflakes on Co_3O_4 nanowires as advanced core/shell electrocatalysts for oxyge
Rational design of advanced cost-effective electrocatalysts is vital for the development of water electrolysis. Herein, ......
Possibilities for enhancement of catalytic reaction rate by combining phase transfer catalysis and hydrogen bonding of t......
MCM 41 molecular sieve supported Rh PPh 3 catalysts were prepared by the in situ assembling of the metal complex......
Nafion/SiO_2 Nanocomposites:High Potential Catalysts for Alkylation of Benzene with Linear C_9-C_(13
High surface area Nafion/SiO2 nanocomposites with nano-sized Nafion resin particles entrapped and dispersed within the h......
以氧氯化锆为锆原,氨水为沉淀剂,硫酸溶液为浸渍液,通过沉淀-浸渍法制备SO2-4/ZrO2(SZ)酯化催化剂,其结构经BET、X-射线衍射(XRD)......
Thermoregulated organic biphasic system composed of triethylene glycol monomethylether (TGME) and n-heptane was first ap......
The six multiimidazole copper(Ⅰ)complexes are utilized to mimic tyrosinase.The main product is 3,5-di-t-butylcatechol f......
Excited state structures and spectroscopic properties of mercury(Ⅱ) complexes, Hg-TFT(1) and its electron-withdrawing s......
A novel star-comb polybutadiene(SC-PB) was synthesized with n-butyllithium(n-BuLi) as initiator,epoxidized star liquid p......
Chiral N,N’-dialkylated cyclohexanediamine derived ligands have been synthesized and used in the asymmetric hydrogenati......
High nitrogen carbon material with rich defects as a highly efficient metal-free catalyst for excell
In this work,we developed a simple strategy to synthesize a carbon material with high nitrogen and rich carbon defects.O......
A new environmentally friendly catalyst,H4Si W12O40-polyaniline(PAn),was prepared,and n-butyraldehyde 1,2-propanediol ac......
The variation of microstructures,spectral characteristics and catalysis effects of Fe3+ and Zn2+ co-
Fe3+and Zn2+ions were doped into the lattice of CeO2 via the hydrothermal method.The microstructure and spectra features......
Electrochemical reduction characteristics and mechanism of nitrobenzene compounds in the catalyzed F
The reduction of the nitrobenzene compounds (NBCs) by the catalyzed Fe-Cu process and the relationship between the elect......
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......
以三氯氧钒-混合烷基铝、改性三氯氧钒-倍半烷基铝、三氯氧钒倍半烷基铝、三乙酰丙酮钒-三异丁基铝为催化体系,以己烷为溶剂、氢气......
A review on chemical oxygen supply technology within confined spaces: Challenges, strategies, and op
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......
以聚乙烯亚胺(PEI),N-羟基琥珀酰亚胺(NHS)和溴丙酸(BPA)为原料,按不同质量比r[m(Fe-NHS)∶m(PEI-CO2H)]合成了三种基于[FeFe]-氢......
Cu-Cr-O nanocomposites that can be used as additives for the catalytic combustion of AP(ammonium perchlorate)-based soli......
Electrochemical reduction characteristics and mechanism of nitrobenzene compounds in the catalyzed F
The reduction of the nitrobenzene compounds (NBCs) by the catalyzed Fe-Cu process and the relationship between the elect......
综述了近年来烟气抗硫脱汞材料的研究进展,提出抗硫脱汞材料设计的4种方法,分别为活性位保护法、活性位增加法、氧活性位规避法和......
介绍了4种常见端基改性硅油(氨基、羧基、环氧基和羟基改性硅油)的合成方法及其应用,并分析了其合成的主要反应类型(包括催化平衡......
以三氯乙烯生产工业废水为处理对象，采用0价铁催化还原、混凝沉淀法，对氯代烃进行脱除处理，探讨了脱氯处理效果及其反应机理。结果表......
采用Cu离子对硅磷酸铝分子筛SAPO-34进行离子改性,成功合成出CuAPSO-34分子筛.通过XRD,SEM,EDX及NH3-TPD等分析手段对改性分子筛进......
甲苯甲醇烷基化是新型高选择性合成对二甲苯的方法,可以解决石化行业甲苯和甲醇过剩问题,具有较高的工业开发价值.在具有B酸中心及......
介绍了一种环境友好的有机化学工艺,此工艺在碱性无溶剂条件下,以几种金属氧化物为催化剂氧化苯甲醇制备苯甲酸,其中ZnO的效果最佳......
研究了火焰原子吸收法测定催化剂中的镍的方法。在压力溶弹内用王水作溶剂消解试样，具有试剂用量少、不受污染等优点，该方法相对标准......
以自制固体超强酸W03／ZrO2为催化剂，研究了合成乙酸正丁酯的最佳反应条件，实验结果证明：固体超强酸WO，／ZrO：是合成乙酸正丁酯的良好催化剂......
用D72型阳离子交换树脂作为苯酐与甲醇反应合成邻苯二甲酸二甲酯的催化剂,研究了催化剂的用量、物料配比、反应温度、反应时间等因......
介绍了CO2加氢甲烷化反应及其热力学性质.从催化剂和反应机理等角度阐述了CO2加氢甲烷化反应研究进展.认为采取全球CO2循环策略系......
甘氨酸┐Ｎ，Ｎ┐双亚甲基膦酸锆┐钯催化剂的催化加氢性能傅相锴＊马学兵刘昌华何佑秋（西南师范大学化学化工学院重庆６３０７１５）关键词甘氨酸－Ｎ，Ｎ－双亚甲基......
以Kegsi结构的几类杂多酸和三乙胺（TEA）为原料，通过简单的酸碱反应合成了相应杂多酸的TEA盐。并以它们作为催化剂，30％H2O2作氧化剂，在不......
采用三乙胺为有机模板剂,异丙醇铝为铝源,硅酸四乙酯为硅源,用水热法合成新型SAPO-34硅磷酸铝分子筛催化剂.通过X射线衍射、扫描电......
选择工业应用效果较好的CNYQ、Z-2和Z-3型催化剂,并补加CO2,对在其上的甲烷水蒸汽转化制合成气催化反应过程进行了测试研究.结果表......
利用过氧化氢为氧化剂，甲酸为催化剂，对甲基叔丁基醚进行氧化脱硫实验。分别考察反应温度、甲酸用量和过氧化氢用量对反应的影响，同时......
为面对新世纪清洁燃料生产的新机遇和新挑战,各种生产清洁燃料的催化技术正在竞相开发之中,尤其是生产低硫、超低硫汽油和柴油技术......
用固定床反应器考察了两种不同阳离子交换树脂催化剂对醋酸甲酯水解的催化活性。试验结果表明：在相同反应原料水酯物质的量比、液时......
Effects of sol-gel method and lanthanum addition on catalytic performances of nickel-based catalysts
基于镍的催化剂被大音阶的第五音胶化方法准备并且为与 CO2 改过的 CH4 使用了。催化剂的特定的表面区域，催化活动，解吸附作用，和减小......
研究了不含有机添加剂的钨催化剂存在下,以H2O2为氧化剂将环己烯氧化为己二酸的绿色反应.考察对比了不加入有机添加剂和加入酸性有......
提出了一种新型碳三加氢催化-精馏耦合工艺,将催化反应段放置在丙烯精馏塔的提馏段。与传统加氢工艺相比,催化-精馏耦合工艺的特点......
为提高钙钛矿型氧化物催化剂的比表面积,以活性炭为硬模板剂,采用浸渍法制备了一系列不同活性炭用量的LaMnO3催化剂,利用XRD,BET,S......
采用等体积浸渍法，制备了一系列含有相同含量活性组分（MoO3、CoO和NiO）不同USL沸石含量的加氢脱硫催化剂。通过X-射线衍射（XRD）、氮气吸......
