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Preparation of Compound Ultrafine CeO2 by Wet-Solid-Phase Mechanochemical Modification Gu Ziyin1,Hu Pinggui1,Chen Weifan2,Li Yongxiu1 (1.Engineering Research Center for Rare Earth, Nanchang... CeO2 powder was investigated.The phase evolutions of preparation process were characterized by XRD.SEM micrograph of the final product shows that compound CeO2 powders obtained are well-dispersed......
Preparation and Characterization of CeO2 Superfine Powder 刘铃声1,熊晓柏1,邱巨峰1,胡艳宏1,柳召刚1,李梅2 (1.Baotou Research Institute of Rare Earths, Baotou 014010, China;2.Department of Materials Engineering... particles aggregate and grow with raising the calcination temperature. Key words:ceria; superfine powder; precipitation method; preparation; characterization; rare earths; [全文内容正在添加中] ......
PARAMETRIC STUDY FOR THE PREPARATION OF ALIGNED SINGLE-WALLED CARBON NANOTUBES BY ANODE-ARC DISCHARGE METHOD G.J.Xu1,Z.Q. Wei2,Q.Wang2,J.F. Dai2,W.X.Li2 (1.State Key Laboratory of New Nonferrous... of graphite with metallic catalysts. Various parameters such as the catalyst preparation, the kinds and pressure of the buffer gases, the quantity of anode-arc current intensity, and the method......
坚固的骨架. 关键词:低硅；赤铁矿尾矿；蒸压砖；制备 中图分类号:TD926.4 文献标志码:A 文章编号:1672-7207(2013)05-1760-06 Preparation...) Abstract: The preparation of autoclaved bricks from low-silicon hematite tailings from western Hubei province was investigated. The results show that the optimum raw material composition is a mixture......
to replace traditional metal binders to prepare new WC cemented carbide was analyzed. Moreover, the preparation method of composite powder containing ceramic additives and the advanced sintering... binder; preparation technology 金属陶瓷结合剂WC硬质合金是以WC为基体,过渡族金属(Co,Ni和Fe)或其合金为黏结相,陶瓷相(金属碳化物,氧化物,硼化物,氮化物)为添加剂,采用粉末冶金的方法烧结制备而成的复合材料,由于其具有高硬度,高强度,高耐磨性,耐腐蚀性及优异的化学稳定性已被广泛应用于切削刀具,地矿工具,耐磨零件,冲压模具,石油钻采工具以及机械密封等领域[1......
Preparation of nano-Ag/TiO2 thin-film PENG Bing(彭 兵), WANG Jia(王 佳), CHAI Li-yuan(柴立元), MAO Ai-li(毛爱丽), WANG Yun-yan(王云燕) School of Metallurgical Science and Engineering, Central South.... The temperature 30-80 ℃, pH 1.2-2.0, concentrations of 0.05-0.3 mol/L sol and 5% HNO3 would be the optimal parameters for the TiO2 water-sol preparation. The nano-Ag/TiO2 film of three layers with 3% AgNO3......
ARTICLE J. Cent. South Univ. (2019) 26: 1387-1401 DOI: https://doi.org/10.1007/s11771-019-4095-6 Preparation and application of perovskite-type oxides for electrocatalysis in oxygen/air electrodes... University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: Recent advances in the preparation and application of perovskite-type oxides as bifunctional electrocatalysts......
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Preparation and characterization of CuO-CoO-MnO/SiO2 nanocomposite aerogels as catalyst carriers ZHAO Yue-qing(赵越卿)1, 2, ZHAO Hai-lei(赵海雷)2, LIANG Ying-hua(梁英华)3, JIA Qian-yi(贾千一)4, ZHANG... aerogels can be used as a novel catalyst carrier in the safer and environment-friendly synthesis of diphenyl carbonate and other fields of catalysis. Key words: nanocomposite aerogel; preparation......
J. Cent. South Univ. Technol. (2008) 15: 209-213 DOI: 10.1007/s11771-008-0040-9 Preparation of precursor for stainless steel foam ZHOU Xiang-yang(周向阳)1, LI Shan-ni(李善妮)2, LI Jie(李 劼)1, LIU Ye... has open porosity of 81.2%, bending strength of about 51.76 MPa and apparent density of about 1.0 g/cm3. Key words: stainless steel foam; precursor; preparation; open porosity; bending......
