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glasses with the composition: 30 wt% Al 2 O 3 –70 wt% Yb 2 O 3 (A30Yb70), and 45 wt% Al 2 O 3 –55 wt% Yb 2 O 3 (A45Yb55) was studied by DTA in this study. Experimental The DTA measurements were performed by the digitized

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. These different nanostructures give rise to different catalytic performances [ 9 ]. The main objects of this study were monometallic Cu and bimetallic Au–Cu catalysts on bi-oxide Cr 2 O 3 ·3Al 2 O 3 support prepared by conventional impregnation

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Introduction δ-Bi 2 O 3 is the best ionic conductor in intermediate temperature range from 700 to 800 °C. Many attempts have been made to synthesize good ionic conductor which has better stability and ionic conductivity

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infrared windows, ultra fast optical switches, optical isolators, and other photonic devices for communications [ 1 – 7 ]. Gallium oxide is known as glass-former where GaO 4 and GaO 6 are the basic structural units [ 2 ]. The addition of Ga 2 O 3 to

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devoted to the preparation of Mn 2 O 3 with different morphologies including rods, wires, cubes, octahedral and hollow structures [ 16 – 19 ]. Various types of Mn 2 O 3 and noble metal doped/supported Mn 2 O 3 [ 20 – 22 ] are widely used for CO

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Reaction Kinetics, Mechanisms and Catalysis
Authors: Yunfeng Hu, Jinpeng Cao, Jun Deng, Baoyu Cui, Mingwei Tan, Junfei Li, and Hongsheng Zhang

] reported that when Ni modified Co/γ-Al 2 O 3 catalyst was applied for the reaction, the ethanol conversion rate of 100% and the selectivity of acetonitrile up to 92.5% were obtained. However, the reaction temperature was as high as 420 °C. The reaction

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in a non-conducting polymer matrix [ 14 ]. Looking into the wide application of these, in this study, we have prepared polycarbonate nanocomposite films by dispersing CuO and γ-Fe 2 O 3 material in the polycarbonate matrix through solvent casting

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the catalytic properties of such compounds are related to the presence of isolated VO 4 tetrahedrons in them [ 6 , 7 ]. This finding has prompted us to undertake a comprehensive study of CoO–In 2 O 3 –V 2 O 5 system. Two versions of the CoO

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addition of B 2 O 3 into the phosphate glasses or P 2 O 5 into the borate glasses leads to improving of their chemical stability due to the formation of P–O–B linkages in the glass network [ 3 – 5 ]. The addition of B 2 O 3 into the phosphate glasses

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one of the most successful approaches. Previous works found that Gd 2 O 3 -promoted Ni/SiO 2 catalysts exhibited higher catalytic activity and stability for MATR in a fluidized reactor at a lower space velocity 9000 h −1 [ 22 ]. The main

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