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Electroless nickel plated graphite fibers and surface behavior in Gr(Ni)/6061Al composite WANG Chun-yu(王春雨), WU Gao-hui(武高辉), ZHANG Qiang(张 强), ZHANG Yun-he(张云鹤), XIU Zi-yang(修子扬), CHEN Guo-qin(陈国钦) School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China Received 28 July 2006; accepted 15 September 2006 Abstract: The electroless nickel plated......
J. Cent. South Univ. (2021) 28: 1333-1341 DOI: https://doi.org/10.1007/s11771-021-4706-x Effect of particle size on bioleaching of low-grade nickel ore in a column reactor WANG Xin(王欣), YANG Hong... extraction was achieved with appropriate control of ore granularity. Key words: bacteria; particle size; column-leaching; nickel; bioleaching Cite this article as: WANG Xin, YANG Hong-ying, ZHANG Qin......
Preparation of ultrafine core-shell nickel spheres via self-sacrificial template LIU Xi(刘 曦), DENG Yi-da(邓意达), SHEN Bin(沈 彬), LIU Lei(刘 磊), HU Wen-bin(胡文彬) State Key Laboratory of Metal Matrix..., is used to fabricate ultrafine core-shell nickel spheres. The size distribution, morphology, chemical and catalyzed properties of the synthesized spheres can be controlled by regulating the preparation......
]. 2 Experimental 2.1 Raw materials The nickel slag, which was generated from a flash smelter furnace, appears to be round, black granules. The chemical composition of the slag, which was determined...Trans. Nonferrous Met. Soc. China 23(2013) 3421-3427 Utilization of nickel slag using selective reduction followed by magnetic separation Jian PAN, Guo-lin ZHENG, De-qing ZHU, Xian-lin ZHOU School......
was prepared on a nickel plate by anodization in a 75 wt% H3PO4 solution containing NH4F. This layer was then treated by galvanostatic charge/discharge(GCD) until a black outer layer was detached...In situ two-step electrochemical preparation of fluoride-free nickel-based compound film on nickel plate for supercapacitorsZhi-Biao Zou,Xin-Bo Xiong,Jun Ma,Xie-Rong Zeng,Tuo Huang,Jun-Jie Li,Bin......
J. Cent. South Univ. (2016) 23: 2688-2694 DOI: 10.1007/s11771-016-3330-7 Plasticity, strength, permeability and compressibility characteristics of black cotton soil stabilized with precipitated... the geotechnical engineering properties of a black cotton soil. A laboratory experimental program consisting of series of specific gravity, Atterberg limits, compaction, California bearing ratio (CBR......
of the nickel hydroxide film electrodes using nickel foil substrate in the coupling system with the Pt-black coated Pt plate cathode using 1.0 mol/L Na2SO4 (pH=2) solution as cathode electrolyte were tested... in the Ni(OH)2 film electrodes. 2) The nickel hydroxide film electrode using nickel foil substrate in the coupling system with the Pt-black coated Pt plate cathode using 1.0 mol/L Na2SO4 (pH=2) solution......
of black powders as-prepared is nickel,which has a face-centered cubic crystal structure with average crystal grain size about 16.87 nm. The images of scanning electron microscopy(SEM) indicate...Controlled Synthesis of Core-Shell Nickel Microspheres with Solid Core and Porous Shell by Precipitation and Thermal Decomposition Method李涛1,2,MA Guohua3,CHEN Jian4,GONG Yong41. School of Mechanical......
and purification of acid leach liquor of metalliferous black shale smelter slag and preparation of NiO powder CHU Guang, ZHAO Si-jia, YANG Tian-zu (School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China) Abstract: Nickel was recovered by solvent extraction from the acid leach liquor of metalliferous black shale smelter slag and NiO powder was produced from......
: trace elements; black shale; provenance; weathering; discriminant diagrams; Sichuan Basin 1 Introduction Black shales cover only a small percentage of continental land area but are economically... and bulk organic geochemistry of black shales from the Proterozoic Vindhyan Supergroup (central India) [J]. Journal of earth system science, 2006, 115(1): 37-47. [2] SHPIRT M Y, PUNANOVA S......