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An efficient one-pot synthesis of dihydropyrimidinones catalyzed by zirconium hydrogen phosphate under solvent-free conditions
Biginelli reaction solvent-free zirconium hydrogen phosphate
2010/10/18
A simple, efficient, and practical procedure for the Biginelli reaction using zirconium hydrogen phosphate [Zr(H2PO4)2] as a novel solid acid catalyst is described under solvent-free conditions in hig...
Partial regeneration of Ni-based catalysts for hydrogen production via methane cracking part II: modeling and optimization
Thermo catalytic cracking of methane hydrogen filamentous carbon partial regeneration Ni/g-Al2O3 catalyst kinetic modeling estimation of rate constant
2010/4/8
Partial regeneration of Ni-based catalysts for hydrogen production via methane cracking part II: modeling and optimization.
Comparative study of selective CO oxidation over Pt-Co-M/Al2O3 catalysts (M=Ce, Mg, Mn, Zr, Fe) in hydrogen-rich streams: effects of a second promoter
Selective CO oxidation promoted Pt catalysts Pt-Co/Al2O3 catalyst fuel cell fuel processor
2010/4/8
The selective CO oxidation over Pt-Co/Al2O3 catalyst in hydrogen-rich streams was studied in the presence of Ce, Mg, Mn, Ze, and Fe as the second promoters. The catalysts were prepared using incipient...
Hydrogen isotopic fractionation in lipid biosynthesis by H2 -consuming Desulfobacterium autotrophicum
lipid biosynthesis Hydrogen isotopic fractionation
2014/4/8
We report hydrogen isotopic fractionations between water and fatty acids of the sulfate-reducing bacterium Desulfobacterium autotrophicum. Pure cultures were grown in waters with deuterium (D) content...
A Hydrogen Ion-Selective Poly(Vinyl Chloride) Membrane Electrode Based on Calix[4]arene as a Perchlorate Ion-Selective Electrode
Calix[4]arene perchlorate PVC membrane ion-selective electrode potentiometry
2010/4/16
A hydrogen ion-selective electrode was prepared using 5,11,17,23-tetra-tert-butyl-25,26,27,28-tetracyanometoxy-calix[4]arene and the possibility of its use as a perchlorate ion-selective electrode wa...
Partial Regeneration of Ni-Based Catalysts for Hydrogen Production via Methane Cracking
Methane cracking hydrogen filamentous carbon partial regeneration Ni/g-Al2O3 catalyst
2010/4/16
Methane cracking has the potential to produce high purity, carbon monoxide-free hydrogen suitable for application in PEM fuel cells. The 2 products of the reaction are molecular hydrogen and solid car...
Dinuclear Molybdenum Tetracarbonyl Complexes of Tetradentate Nitrogen Ligands and Intermolecular Hydrogen Bonding in the Crystal Structure of N,N´-bis-[1-(pyridin-2-yl)ethylidene]-ethane-1,2-diamine
Dinuclear intermolecular H-bonding molybdenum polyimines Schiff base tetracarbonyl
2010/4/8
Multidentate N-ligands (Schiff bases) were prepared by the condensation of 2-acetylpyridine or 2-benzoylpyridine, and 1,2-diaminoethane or 1,6-diaminohexane (2:1 ratio) in ethanol. These ligands were ...
Kinetic Study of Selective CO Oxidation over Pt-Co-Ce/Al2O3 Catalyst in Hydrogen-Rich Streams
CO oxidation Pt-Co-Ce/Al2O3 catalyst kinetic study reaction mechanism
2010/4/16
The kinetics of the selective CO oxidation was studied in a fixed-bed microreactor at atmospheric pressure over Pt-Co-Ce/Al2O3 catalyst, which was prepared using the incipient to wetness co-impregnati...
Semi-continuous synthesis of single-walled carbon nanotubes by a hydrogen arc discharge method
2007/7/28
期刊信息
篇名
Semi-continuous synthesis of single-walled carbon nanotubes by a hydrogen arc discharge method
语种
英文
撰写或编译
作者
刘畅，丛洪涛，李峰，谭平恒，成会明，卢柯，周本濂
第一作者单位
刊物名称
Carbon
页面
1999.V37,pp1865-1868.
出版日期
1999年
月
...
期刊信息
篇名
Synthesis and hydrogen storage of carbon nanofibers and single-walled carbon nanotubes
语种
英文
撰写或编译
作者
成会明，刘畅，范月英，李峰，苏革，丛洪涛，贺连龙，刘敏
第一作者单位
刊物名称
Z.Metablled.
页面
2000,V94(4),pp306-310.
出版日期
2000年
...
The Crystal and Molecular Structure of New Hydrogen Dinitrate of Nitrato(2,2',2''-terpyridyl)platinum(II) Ion, [Pt(terpy)ONO2][H(ONO2)2]
X-ray structure terpyridine hydrogen nitrate platinum complex
2010/4/20
The title compound, C15H12N6O9Pt, consists of [Pt(terpy)ONO2]+ cation and [H(ONO2)2]- anion, in which 2 nitrate groups are linked by a strong hydrogen bond [O \cdots O 2449(1) Å]. In the cation,...
Selective Oxidation of Thiols to Disulfides Catalyzed by Iron(III) -- Tetra Phenyl Porphyrin Using Urea-Hydrogen Peroxide as Oxidizing Reagent
Thiols Fe (TPP) Cl Urea hydrogen peroxide disulfides
2010/4/20
Oxidation of thiols to disulfides catalyzed by iron(III) -- tetra phenyl prophyrin Fe (TPP)Cl was investigated using urea-hydrogen peroxide adduct (UHP) as an oxidant in methanol as a solvent.
Chemical Exfoliation Characteristics of Karakoç Phlogopite in Hydrogen Peroxide Solution
chemical exfoliation hydrogen peroxide phlogopite swelling vermiculite
2010/4/22
The chemical exfoliation characteristics of phlogopite samples taken from Sivas - Yıldızeli-Karakoç (Turkey) ore were investigated. H2SO4, HCl, HNO3, H3PO4 and H2O2 solutions at varyi...
Structural Studies of Water-Soluble b-Brominated Manganese Porphyrins: Stabilities of MnTDCSPPBr 8 and MnTSPPBr 8 as Homogeneous and Supported Reagents Toward Hydrogen Peroxide and Sodium Hypochlorite
Water-Soluble b-Brominated Manganese Porphyrins Stabilities of MnTDCSPPBr 8 MnTSPPBr 8 as Homogeneous Supported Reagents Toward Hydrogen Peroxide Sodium Hypochlorite
2010/6/27
This article describes the structural stabilities of [2,3,7,8,12,13,17,18-octabromo-5,10,15,20-tetrakis(2,6-dichloro-3-sulfonatophenyl)porphinato]manganese(III) X (where X = H2O and/or OH- , depending...