A series of V 2 O 5 /MgO catalysts containing 1 to 20 wt % V 2 O 5 were prepared and characterized by means of X-ray diffraction, FT-infrared, electron sp... BM Reddy,MV Kumar,KJ Ratnam - 《Research on Chemical Intermediates》 被引量: 5发表: 1998年 V2O5@TiO2 Catalyzed Green and...
2H(2)O and PhCO(2)H in EtOH/MeCN with NBu(4)(n)MnO(4) gives (NBu(4)(n))[Mn4O2(O(2)CPh)(9)-(H2O)] (4) in high yield (85-95%... Wemple MW.,Wang SY.,Claude JP.,... - Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, ...
A clear decrease in hydroxylation is observed for the O2 exposed mixture after ~ 30 and 60 min. No activity loss was observed for the anaerobic control. The results are means of 3 independent assays (n = 3; mean ± SD). (d) Comparison of hydroxylation observed when a PHD2....
The quantitative spectrographic analysis of (Hf-Zr)O2 by means of the tape methodchemistryexcitationhafniumquantitative analysisspectroscopystandardszirconiumA spectrographic method for the determination of hafnium in zirconium in the concentration range of approximately 2% hafnium in zirconium to 99% hafnium ...
of conjugated diynes.14 Recently, Pd-catalyzed oxidative homocouplings of alkynes with a stoichiometric 15 18 amount of oxidant such as O , - R-halocarbonyl 2 19 21 22,23 24 30 compounds, - I , and others - have emerged as 2 efficient means. Currently, the major methods for ...
Evaluation of the First-Order Hyperpolarizability Tensor of Bent Molecules by Means of Hyper-Rayleigh Scattering Method The first-order hyperpolarizabilities βs were determined by hyper-Rayleigh scattering in two homologous series of two-dimensional bent molecules with alky... F Araoka,B Park,Y Kin...
Grain growth in nanocrystalline powders of Pd1-xZrx has been investigated by means of isothermal annealing and differential scanning calorimetry. For sampl... CE Krill,R Klein,S Janes,... - 《Materials Science Forum》 被引量: 66发表: 1995年 Thermodynamics and surface properties of liquid Ga-X...
The adsorption of formic acid and sodium formate on the stoichiometric anatase (101) surface has been studied by means of density functional calculations w... A Vittadini,A Selloni,FP Rotzinger,... - 《Journal of Physical Chemistry B》 被引量: 649发表: 2000年 Mechanism of Water Photooxidation...
Adducts resulting from the interaction between molecular oxygen and β-diketiminato-copper and nickel complexes have been recently described in the literature as peroxo and superoxo complexes, respectively. The nature of the interaction is analyzed by means of DDCI calculations and an orthogonal valence...
old forms 古地形 old hand 老油矿工 old oil =old crude 老油 Old Red Sandstone series 老红砂岩统 old shoreline 古滨线 Old Stone Age 旧石器时代 old total depth 原油井深度 old upland 古高地 old well plugged back 老井封堵 old well worked over 老井大修 ...