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的平均绝对误差在± 0 .5%以内. 关键词: 灰色预测;灰色模型;铜锍品位;吹炼; 中图分类号: TP18 收稿日期:1999-11-02 Grey prediction grade of matte added into converting furnace Abstract: Based on the grey theory, by adopting metabolism grey modeling method, a series of GM (1, 1) models for the historical matte grade data were developed, and the accuracy of each model was also tested......
Localized Corrosion Characteristics of Nickel Alloys:A ReviewRaul B.Rebak33. GE Global Research摘 要:There are a great variety of commercial nickel alloys mainly because nickel is able to dissolve a large amount of alloying elements while maintaining a single ductile austenitic phase.Nickel alloys are generally designed for and used in highly aggressive......
Molecular dynamics simulation of ion selectivity traits of nickel hexacyanoferrate thin films HAO Xiao-gang(郝晓刚)1, YU Qiu-ming2, JIANG Shao-yi2, D. T. SCHWARTZ2 1. Department of Chemical... 19 January 2006 Abstract: The ion selectivity of nickel hexacyanoferrate thin film to alkali cations in ESIX (electrochemically switched ion exchange) processes was investigated using molecular......
Crystal defects formed in electroformed nickel liners of shaped charges Wenhuai TIAN1,Chuanchao FENG1,Feng YANG1,Baosheng WANG2 (1.Department of Materials Physics and Chemistry, University of Science and Technology Beijing, Beijing 100083, China;2.210 Institute, Beijing 100081, China) Abstract:Two types of electroformed nickel liners of shaped charges were prepared by elec-troforming technique......
Effects of flaky rare earth oxide additives on the high temperature performance of nickel electrodes WANG Zhong1,YU Haijun1,CHENG Yan2,ZHU Lei1,JIAN Xuyu1,JIANG Lijun1,FANG Qing1 (1.Energy... Interdisciplinary Studies,Peking University,Beijing 100871,China) Key words:flaky rare earth oxides; high temperature performance; cyclic voltammograms; nickel electrodes; nickel-metal hydride batteries; rare......
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Electrochemical performance of nickel oxide/KOH/active carbon super-capacitorXiaofeng Wang1), Dazhi Wang1), Cuiwei Do2), Xianghua Kong2), and Qingguo Liu2)1) Department of mechanical engineering...;The fabrication and characterization of new type Nickel oxide/KOH/Active carbon super-capacitor have been described. Porous nickel oxide was prepared by hydrolysis of nickel acetate and heated in air at 300......
Preparation of Lanthanum Nickel Oxide-Coated Ni Sheet Anodes and Their Application to Electrolytic Production of (CF3)3N in (CH3)4NF·4.0HF Melt Yoshio Shodai1,Akimasa Tasaka1,Minoru Inaba1,Kazuki... of a perfluorinated compound, (CF3)3N, using lanthanum nickel oxide-coated Ni sheet anode in the (CH3)4NF·4.0HF melt at room temperature, was developed. Thin films of the lanthanum nickel oxides were prepared......
processing technologies and progress of nickel laterites WANG Cheng-yan, YIN Fei, CHEN Yong-qiang, WANG Zhong, WANG Jun (Beijing General Research Institute of Mining & Metallurgy, Beijing 100044, China) Abstract: The worldwide processing status of nickel laterite ores is reviewed. The overall exploration of laterite nickel needs to consider the contents of nickel and cobalt in ores, ore types......
