Sergey V. Lyulin、K. Karatasos、Anatoly A. Darinskii 等 5 位作者2008-01-01Soft Matter
New insight is provided by a combined theoretical and simulational approach regarding the effects of structural characteristics of the constituents, on the overcharging phenomena in complexes formed by hyperbranched polymers with linear polyelectrolytes.
RNA Interference and Gene DeliveryLuminescence and Fluorescent MaterialsDendrimers and Hyperbranched Polymers
Shiki Yagai、S. Kubota、Kanako Unoike 等 5 位作者2008-01-01Chemical Communications
An oligo(p-phenylenevinylene) capped on one end by a monotopic DAD-type triple hydrogen-bonding module shows distinct optical properties as well as self-organization behavior upon complexation with cyanurates with different numbers of ADA-type triple hydrogen-bonding sites.
Luminescence and Fluorescent MaterialsSupramolecular Self-Assembly in MaterialsPhotochromic and Fluorescence Chemistry
Wei Zhou、Dehua He2008-01-01Chemical Communications
The alkyl spacer was lengthened in heterogenizing a Rh-P complex into mesoporous silicate SBA-15 to increase the immobilized catalyst activities in 1-octene hydroformylation.
Catalytic Processes in Materials ScienceMesoporous Materials and CatalysisPolyoxometalates: Synthesis and Applications
Masanori Morishita、Seijiro Ochiai、Tadashi Kakeya 等 8 位作者2008-01-01Journal of The Electrochemical Society
Structural Analysis by Synchrotron XRD and XAFS for Manganese-Substituted α - and β -Type Nickel Hydroxide Electrode, Morishita, Masanori, Ochiai, Seijiro, Kakeya, Tadashi, Ozaki, Tetsuya, Kawabe, Yoshiteru, Watada, Masaharu, Tanase, Shigeo, Sakai, Tetsuo
ZnO doping and propertiesSupercapacitor Materials and FabricationLayered Double Hydroxides Synthesis and Applications
Yonghao Xiu、Dennis W. Hess、C.P. Wong2008-01-01Journal of Adhesion Science and Technology
Inorganic superhydrophobic, low-surface energy silica coatings have been prepared using sol–gel processing with tetraethoxysilane and trifluoropropyltrimethoxysilane as precursors. When trifluoropropyltrimethoxysilane was incorporated into silica, hydrophobic trifluoropropyl groups were present on the surface, yieldin…
Surface Modification and SuperhydrophobicityAerogels and thermal insulationSilicone and Siloxane Chemistry
FA Kuta2008-01-01AFRICAN JOURNAL OF BIOTECHNOLOGY
The antifugal activities of aqueous extract of Calotropics procera was determined against Epidermophyton flocosum and Tricophyton gypseum using agar diffusion techniques. The crude extract of C. procera showed activity on E. flocosum and T. gypseum at 4.0 mg/ml. The result of minimum inhibitory concentration (MIC) was…
Phytochemistry Medicinal Plant ApplicationsPhytochemical compounds biological activitiesPhytochemistry and Bioactive Compounds
Kenneth E. Johnson2008-01-01Digital Commons - Olivet Distinctive Heritage, Scholarship, & Creativity (Olivet Nazarene University)
A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of Doctor of Philosophy of Loughborough University
Microstructure and mechanical propertiesMetal Forming Simulation TechniquesAdvanced Welding Techniques Analysis
Shi、Xiaoyan Xiaoyan、Yu . 等 12 位作者2008-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
在这研究,减少 NOx 和微粒的努力有关系(下午) 从两个都使用 NOx overanAg/Al2O3 催化剂和 biodiesel-ethanol-diesel 燃料的乙醇选择的催化减小(SCR ) 的一个柴油发动机的排出物相配(柴油机) 在一张引擎凳子上,测试被讨论。与柴油相比,柴油机的使用由于下午的可溶的器官的部分(SOF ) 的增加增加了下午排出物 14% ,但是它极大地减少了 Bosch 烟数字由 60%80% 根据从欧洲静止周期(转换字符) 的 13 模式测试的结果测试。SCR 催化剂在由乙醇的 NOx 减小是有效的,并且 NOx 变换是约 73% 。全部的烃(THC ) 和公司排出物在 NOx 过程的 SCR 期间显…
Advanced Combustion Engine TechnologiesCatalytic Processes in Materials ScienceBiodiesel Production and Applications
K.E. Bessler、Laécio C. Rodrigues2008-01-01Química Nova
AN EASY SYNTHESIS OF ARAGONITE.Aragonite is a metastable polymorph of calcium carbonate.The calcareous exoskeletons of some organisms like corals or molluscs consist essentially of aragonite.The questions of how, and why these organisms prefer the thermodynamically unstable aragonite for the construction of their hard…
Clay minerals and soil interactionsIron oxide chemistry and applicationsLayered Double Hydroxides Synthesis and Applications
José M. Aquino、Carlos Alberto Della Rovere、S.E. Kuri2008-01-01CORROSION
Supermartensitic stainless steels is known for its better weldability and corrosion resistance compared to the conventional martensitic, mainly due to its lower carbon content. This enables the production of welded joints with superior resistance to hydrogen embrittlement and to sensitization, particularly in the heat…
Microstructure and Mechanical Properties of SteelsHydrogen embrittlement and corrosion behaviors in metalsWelding Techniques and Residual Stresses
Naoki Aratani、Atsuhiro Osuka2008-01-01Chemical Communications
A meso-meso directly linked cyclic octameric porphyrin square was synthesized via stepwise Suzuki-Miyaura cross coupling reactions, and its ability to capture a guest molecule in the inside cavity has been confirmed.
Supramolecular Chemistry and ComplexesPorphyrin and Phthalocyanine ChemistryLuminescence and Fluorescent Materials
Markus Weinmann、Matthias Kroschel、Thomas Jäschke 等 9 位作者2008-01-01Journal of Materials Chemistry
The development of a process for the continuous synthesis of Cl3SiNMeBCl2 (DMTA) as a single-source precursor of highly durable Si/B/N/C ceramics is reported. The process is based on a series of gas phase reactions starting from silicon tetrachloride and methylamine. Cl3SiNHMe (TSMA), which is initially formed, is sub…
Advanced ceramic materials synthesisSemiconductor materials and devicesMXene and MAX Phase Materials
Yongsong Xie、Roberto Neagu、Ching-Shiung Hsu 等 5 位作者2008-01-01Journal of The Electrochemical Society
Metal-supported solid oxide fuel cells (SOFCs) offer many advantages, including increased robustness, improved thermal shock resistance, and decreased cost. However, fabricating metal-supported SOFCs using conventional techniques is both very difficult and very costly. In this study, two processes of spray pyrolysis d…
Electrocatalysts for Energy ConversionAdvancements in Solid Oxide Fuel CellsFuel Cells and Related Materials
J.C. Ruiz-Morales、Jesús Canales‐Vázquez、David Marrero‐López 等 7 位作者2008-01-01Journal of Materials Chemistry
XRD, XPS and electrochemical studies show clear evidence of chemical interaction under oxidising and reducing conditions between YSZ and CuO, both components of a widely studied anode material for high performance solid oxide fuel cells (SOFCs). The aim of this work is to identify and verify the nature of this interac…
Advancements in Solid Oxide Fuel CellsMagnetic and transport properties of perovskites and related materialsElectronic and Structural Properties of Oxides
Lei Wang、Yaqing Feng、Jin-Qiang Xue 等 4 位作者2008-01-01Journal of the Serbian Chemical Society
Novel porphyrin Schiff bases were synthesized by a simple Schiff base condensation in refluxing toluene between 5-(4-aminophenyl)-10,15,20-triphe?nylporphyrin (ATTP) 3 and styryl aldehydes 4-6 or p-halobenzaldehydes 7-9. The newly synthesized porphyrin Schiff bases were characterized on the basis of their chemical pro…
Porphyrin and Phthalocyanine ChemistryPhotochemistry and Electron Transfer StudiesOrganic Chemistry Cycloaddition Reactions
Mahmoud A. Abdalla、Zhirun Hu2008-01-01Progress In Electromagnetics Research Letters
This paper introduces a 3 dB tunable symmetric left handed coupled line coupler implemented on ferrite substrate. The proposed coupler is realized in LH coplanar waveguide configuration constructed using interdigital capacitors and meandered line inductors. The analytical analysis and the numerical verification of the…
Metamaterials and Metasurfaces ApplicationsMicrowave Engineering and WaveguidesAdvanced Antenna and Metasurface Technologies
Dragan Mančić、Vesna Paunović、Mirjana Vijatovic 等 5 位作者2008-01-01Science of Sintering
The dielectric permittivity and dissipation factor of La-doped and undoped BaTiO3 were investigated as a function of frequency and temperature. The impedance response was used to study the electrical properties of La-doped BaTiO3 over the temperature range from room temperature (RT) to 350?C. La-doped and undoped BaTi…
Ferroelectric and Piezoelectric MaterialsAcoustic Wave Resonator TechnologiesDielectric materials and actuators
Mary F. Mahon、Paul R. Raithby、Hazel A. Sparkes2008-01-01CrystEngComm
The solid state [2 + 2] cycloaddition reaction of coumarin-3-carboxylic acid, 1a, has been investigated using both single-crystal and powder X-ray diffraction techniques which established the structure of the dimerized product, 1b. The transformation was achieved by irradiation with a 150 W mercury lamp for 3 d. Monom…
Crystal structures of chemical compoundsCrystallography and molecular interactionsX-ray Diffraction in Crystallography
U‐Hwang Lee、Jae‐Hun Yang、Hyunju Lee 等 6 位作者2008-01-01Journal of Materials Chemistry
By employing high speed spin coating for the film formation and high temperature (80 °C) drying and aging, we developed a synthesis procedure for mesostructured silica thin films that can reproducibly produce up to eight different pore morphologies, including a rhombohedral (Rm), a centered rectangular (c2mm), two wor…
Catalytic Processes in Materials SciencePhotonic Crystals and ApplicationsMesoporous Materials and Catalysis
S.J. Garcia-Vergara、M. Curioni、F. Roeth 等 7 位作者2008-01-01Journal of The Electrochemical Society
An Au gold alloy is employed to investigate the incorporation of a nonoxidized alloying element into porous anodic alumina films formed in phosphoric acid and sulfuric acid electrolytes. Gold is shown to enrich in the alloy in the initial stages of film growth, when a gold-free film is formed. On sufficient enrichment…
Concrete Corrosion and DurabilityAnodic Oxide Films and NanostructuresSmart Materials for Construction