Browsing 化学化工－已发表论文 by Title
Now showing items 9522-9541 of 14241
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W-promoted Co-Mo-K/gamma-Al2O3 catalysts for water-gas shift reaction
(ELSEVIER SCIENCE BV, 2009-06)The effects of incorporating tungsten into the traditional Co-Mo-K/gamma-Al2O3 catalysts on the catalytic performances for water-gas shift reaction were investigated. Activity tests showed that W-promoted Co-Mo-K/gamma-Al2O3 ... -
Water effects on SMI2 reductions: A novel method for the synthesis of alkyl thiols by SMI2-promoted reductions of sodium alkyl thiosulfates and alkyl thiocyanates
(MARCEL DEKKER INC, 2004)Water as a cosolvent has significant improving effect on the reductivity of SMI2 in the reduction of sodium alkyl thiosulfates and alkyl thiocyanates. A new method for synthesis of alkyl thiols by SmI2/THF/H2O system has ... -
Water gas shift activity of Co-Mo/MgO-Al2O3 catalysts presulfided with ammonium sulfide
(ELSEVIER SCIENCE BV, 2010-02)Co-Mo/MgO-Al2O3 catalyst was presulfided with ammonium sulfide in aqueous solution and activated with synthesis gas for water gas shift reaction. The assay results indicate that the presulfided Co-Mo/MgO-Al2O3 catalyst ... -
Water-alcohol separation by pervaporation through poly(amide-sulfonamide)s (PASAs) membranes
(1997)Pervaporation membranes were fabricated by blending different amount of zeolite NaA or NaX with three types of poly(amidesulfonamide) (PASA). The zeolite-filled membranes were characterized by IR spectroscopy; SEM, sorption ... -
Water-alcohol separation by pervaporation through zeolite-modified poly(amidesulfonamide)
(2001)Pervaporation membranes were fabricated by blending different amount of zeolite NaA or NaX with three types of poly(amidesulfonamide) (PASA). The zeolite-filled membranes were characterized by IR spectroscopy; SEM, sorption ... -
Water-dispersible multifunctional hybrid nanogels for combined curcumin and photothermal therapy
(2011)Two new iridium(III) complexes with good water-solubility and biocompatibility have been synthesized and characterized. These two iridium(III) complexes showed strong luminescence with high quantum efficiency. Preliminary ... -
Water-Soluble and Biocompatible Cyclometalated Iridium(III) Complexes: Synthesis, Luminescence and Sensing Application
(2011)Two new iridium(III) complexes with good water-solubility and biocompatibility have been synthesized and characterized. These two iridium(III) complexes showed strong luminescence with high quantum efficiency. Preliminary ... -
Water-soluble off-on spin-labeled quantum-dots conjugate
(WILEY-V C H VERLAG GMBH, 2008-05) -
Wavelet shrinkage data processing for neural networks in bioprocess modeling
(2002)The modeling of biological systems has now become an essential prerequisite for effective bioprocess design, optimization and analysis. The difficulties present in using conventional techniques to model such a complex ... -
Wear behavior of TiC-MoSi2 composites
(ELSEVIER SCIENCE BV, 2003-07-15)Titanium carbide (TiC) particles have been added to molybdenum disilicide (MoSi2) to form TiC-MoSi2 composites. Benefits associated with the addition of the TiC to MoSi2 include finer microstructure, higher strength, higher ... -
Web上的三维分子结构模拟
(厦门大学, 2003-03)[中文文摘]绍几种基于Web上的三维分子结构模拟技术:VRML及Chime、Chem3D、HyperChem插件,并讨论它们的优缺点.这些模拟技术具有可操作的特点,可以进行旋转、缩放、平移等实时交互操作,并改变其形状和颜色的表现形式.三维分子结构模拟可以增强化学网络课程的表现能力,提高教学效果,是发展远程教育的重要技术.[英文文摘]Several techniques of 3D molecular simulation based on ... -
Well-dispersed Pd–Sn nanocatalyst anchored on TiO 2 nanosheets with enhanced activity and durability for ethanol electarooxidation
(2019-09-05)Abstract(#br)Novel Pd 1 -Sn x /TiO 2 nanosheets catalyst with higher activity and durability for ethanol oxidation (EOR) was obtained by NaBH 4 co-reduction method in direct ethanol fuel cells (DEFCs). The electrochemical ... -
WENO Schemes and Their Application as Limiters for RKDG Methods Based on Trigonometric Approximation Spaces
(SPRINGER/PLENUM PUBLISHERS, 2013)In this paper, we present a class of finite volume trigonometric weighted essentially non-oscillatory (TWENO) schemes and use them as limiters for Runge-Kutta discontinuous Galerkin (RKDG) methods based on trigonometric ... -
Wet chemical synthesis of intermetallic Pt3Zn nanocrystals via weak reduction reaction together with UPD process and their excellent electrocatalytic performances
(ROYAL SOC CHEMISTRY, 2014 June )Platinum based alloy nanocrystals are promising catalysts for a variety of important practical process. However, it remains a great challenge to synthesize platinum-based intermetallic compound nanocrystals with well-defined ... -
What Are the Adsorption Sites for CO on the Reduced TiO2(110)-1 x 1 Surface?
(2009)We report our experimental study of the adsorption and diffusion of CO on clean TiO(2)(110)-1 x 1 at an atom-resolved scale with in situ scanning tunneling microscopy at 80 K, combined with density functional theory ... -
What definitively controls the photochemical activity of methylbenzonitriles and methylanisoles? Insights from theory
(AMER CHEMICAL SOC, 2007-06)CASPT2//CASSCF and B3LYP methodologies have been used to study the excited-state properties and photochemical isomerizations of p-, m-, and o-methylbenzonitriles and methylanisoles. Calculations show that the biradical ... -
What molecular assembly can learn from catalytic chemistry
(ROYAL SOC CHEMISTRY, 2014)One important objective of molecular assembly research is to create highly complex functional chemical systems capable of responding, adapting, and evolving. Compared with living systems, the synthetic systems are still ... -
When the Signal Is Not from the Original Molecule To Be Detected: Chemical Transformation of para-Aminothiophenol on Ag during the SERS Measurement
(AMER CHEMICAL SOC, 2010-06)Surface-enhanced Raman spectroscopy (SERS) has long been considered as a noninvasive technique that can obtain the fingerprint vibrational information of surface species. We demonstrated in this paper that a laser with a ...