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Vanadium Defects Formation Mechanism in Undoped GaN Grown on Silicon Hao Qiuyan1,Zhang Wei1,Teng Xiaoyun1,Sun Shilong1,Liu Caichi1,Zhao Liwei1 (1.School of Material Science and Engineering, Hebei... words:undoped GaN; Vanadium defect; dislocation; transmission electron microscopy; [全文内容正在添加中] ......
____________________________________________________________________________________________ Abstract: The effects of reaction time, reaction temperature, stirring speed and flowrate of CO2 gas on desilication rate and loss rate of vanadium were..., while influence the loss rate of vanadium significantly. Under the condition of reaction time of 2 h, reaction temperature of 95 ℃, stirring speed of 180 r/min, flowrate of CO2 gas of 60 mL/min......
Trans. Nonferrous Met. Soc. China 29(2019) 1549-1559 Effect of B2O3 addition on oxidation induration and reduction swelling behavior of chromium-bearing vanadium titanomagnetite pellets... and Technology Liaoning, Anshan 114051, China Received 6 October 2018; accepted 28 February 2019 Abstract: The oxidation induration and reduction swelling behavior of the chromium-bearing vanadium......
on process mineralogy of vanadium-titanium magnetite concentrate in Chaoyang, Liaoning Province CHEN Wangxing, LIANG Haijun, GAO Zixian, XUE Xiangxin (Institute of Resources & Environmental... iron concentrate from a vanadium-titanium magnetite in Chaoyang, Liaoning Province, a systematical investigation of process mineralogy, including the chemical composition, mineral composition, mineral......
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Article ID: 1003-6326(2005)05-1085-04 Maximum solid solubility of transition metals in vanadium solvent ZHANG Jin-long(张金龙)1, FANG Shou-shi(方守狮)1, ZHOU Zi-qiang(周自强)1, LIN Gen-wen(林根文)1, GE Jian... Zf that contains electronegativity difference, atomic diameter and electron concentration. The relation between Cmax and these parameters of transition metals in vanadium solvent was studied......
Enhanced Photoactivity of Layered Nanocomposite Materials Containing Rare Earths, Titanium Dioxide and Clay Yu Junmei1,Wang Qimin1,Meng Junping1,Ou Xiuqin1 (1.Institute of Power Source and Ecomaterials Science, Hebei University of Technology, Tianjin 300130, China) Abstract:The nanocomposite materials containing rare earths, titanium dioxide and clay (RE/TiO2/Clay) were characterized......
Preparation and Characteristics of Rare Earth Loaded Titanium Dioxide 王艳1,张俊平1,戚慧心1 (1.Chemistry Department, Beijing Normal University, Beijing 100875, China) Abstract:Composite oxide catalysts... decreases due to the doping of Y and Ce. Key words:physical chemistry; titanium dioxide; europium; yttrium; cerium; catalytic activity; rare earths; [全文内容正在添加中] ......
Beijing,Beijing 100083,China摘 要:The preparation of a new mineral composite material,calcium carbonate particles coated with titanium dioxide,was studied.The... to titanium dioxide was 6.5:3.5.The mass ratios of two different types of titanium dioxide(anatase to rutile) and grinding media to grinded materials were 8:2 and 4:1 respectively,and the modified......
Preparation of titanium dioxide photocatalytic hollow spheres PANG Xue-man(庞学满), XU Ming-xia(徐明霞), HOU Feng(侯 峰), LI Ming-li(李明利) School of Materials Science and Engineering, Key Laboratory...; catalytic properties 1 Introduction The photocatalytic performance of titanium dioxide thin film photocatalysts have been investigated in many different types in order to achieve the efficient......
