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bacteria were better than pure bacteria[13]. The purpose of this work was to investigate the feasibility of using bioleaching to recover valuable metals from Jinchuan low grade nickel sulfide mineral ore... Bioleaching of low grade nickel sulfide mineral in column reactor ZHEN Shi-jie(甄世杰)1, 2, QIN Wen-qing(覃文庆)1, YAN Zhong-qiang(闫忠强)2, ZHANG Yan-sheng(张雁生)1, WANG Jun(王 军)1, REN Liu......
of the steel sheet. The coating was obtained with nickel sulphate electrolyte composed of 250 g/L NiSO4?6H2O, 50 g/L NiCl2?6H2O, 35 g/L H3BO3. Pure nickel was used as the anode. The pH value... Effect of tension deformation on microstructure and mechanism of electrodeposited nickel coating MA Zeng-sheng(马增胜), LONG Shi-guo(龙士国), ZHANG Xiao-bing(张小兵), PAN Yong(潘 勇), ZHOU Yi-chun(周益春......
All solutions were prepared by dissolving in distilled water with analytically pure regents except that the nickel hexahydrate (NiSO4?6H2O) was at the first industrial grade (HG/T2824-1997). The basic... Effects of additives on nickel electrowinning from sulfate system LU Jing(卢 静), YANG Qi-hua(阳启华), ZHANG Zhao(张 昭) School of Chemical Engineering, Sichuan University, Chengdu 610065......
a few areas are composed of pure nickel, and no area is found that only pure magnesium exists without F and Ni. This indicates that fluoride exists in the plating and some bath composition is also... Properties of fluoride film and its effect on electroless nickel deposition on magnesium alloys LIU Xin-kuan(刘新宽)1, LIU Zi-li(刘子利)2, LIU Ping(刘 平)1, XIANG Yang-hui(向阳辉)3, HU Wen-bin(胡文斌)3, DING......
Pretreatment study on chloridizing segregation and magnetic separation of low-grade nickel laterites LIU Wan-rong(刘婉蓉)1, LI Xin-hai(李新海)1, HU Qi-yang(胡启阳)1, WANG Zhi-xing(王志兴)1, GU Ke... ____________________________________________________________________________________________ Abstract: The chloridizing segregation and magnetic separation of low-grade nickel laterites from Yunnan province of China was investigated. The nickel laterites were characterized......
Fabrication, lattice strain, corrosion resistance and mechanical strength of nanocrystalline nickel films PAN Yong(潘 勇)1, 2, ZHOU Yi-chun(周益春)1, 2, ZHOU Zhao-feng(周兆锋)1, 2, HUANG Yong-li(黄勇力)1, 2...; Abstract: Nanocrystalline nickel films of 17-40 nm grain sizes were prepared using pulsejet electrodeposition. Structure, corrosion and lattice strain were analysed......
provides a good base for the subsequent electroless nickel plating. The chemical composition is given in Fig.2, which confirms that the electroplate zinc is consisted with pure zinc. The XRD pattern... Zinc film is deposited on AM60 magnesium alloys by electroplating as a transition layer of electroless nickel plating from pyrophosphate bath. The zinc film is composed of pure zinc with a crystal......
of pure copper and different copper–nickel based alloy scrap anodes in electrolyte 3.2 Effect of glue Detecting effects of additives and their interactions on the passivation of anodes, Ni content... J. Cent. South Univ. (2018) 25: 754-763 DOI: https://doi.org/10.1007/s11771-018-3780-1 Effect of additives on anode passivation in direct electrolysis process of copper–nickel based alloy scraps LI......
Microstructure and properties of nanocrystalline nickel coatings prepared by pulse jet electrodeposition TIAN Zong-jun(田宗军)1, WANG Dong-sheng(王东生)2, WANG Gui-feng(王桂峰)1, SHEN Li-da(沈理达... of Mechanical Engineering, Tongling College, Tongling 244000, China Received 10 December 2009; accepted 24 March 2010 Abstract: The fabrication of nanocrystalline nickel coatings was conducted by pulse jet......
was applied to the substrate. Nickel nitrate was adopted as the catalyst for the formation of the CNTs. Some quantities of nickel nitrate powers were dissolved in the pure ethanol. And then the solution... Preparation of carbon nanotubes by ethanol catalytic combustion technique using nickel salt as catalyst precursor LI Fei(李 飞) 1,2 , ZOU Xiao-ping(邹小平) 1,2, CHENG Jin(程 进)1,2, ZHANG......