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Properties of Water Blown Rigid Polyurethane Foams with Different Funetionality李小斌,曹宏斌摘 要:<正>Water blown rigid polyurethane foams with different functionality were prepared.The physical properties of rigid foams were measured with rotational viscometer(NDJ-1),universal testing machine (Instron3365),scanning electron microscope(SEM)and differential......
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... was employed as substrate, nickel nitrate (Ni(NO3)2) and nickel chloride (NiCl2) as catalyst precursor, and ethanol as carbon source. The cleaned copper substrate was dipped into catalyst precursor......
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Leaching of magnesium from desiliconization slag of nickel laterite ores by carbonation process MU Wen-ning(牟文宁)1, ZHAI Yu-chun(翟玉春)2, LIU Yan (刘 岩)2 1. Department of Materials Science... 2009; accepted 30 December 2009 ____________________________________________________________________________________________ Abstract: The leaching of magnesium from desiliconization slag of nickel......
J. Cent. South Univ. (2012) 19: 340-346 DOI: 10.1007/s11771-012-1010-9 Extraction of nickel from molybdenum leaching residue of metalliferous black shale by segregation roasting and acid leaching CHU... Metals, Changsha 410015, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: The recovery of nickel from molybdenum leach residue by the process of segregation......
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Study of Technology of Stripping Nickel Coating on NdFeB Permanent Magnet Rao Houzeng1,Jiang Longfa1,LI Guohua2,Lin Guanjie1 (1.Department of Environmental and Chemical Engineering, Nanchang... in the solution of stripping the nickel coating on NdFeB permanent magnet on the stripping result were studied systematically.The practical formular contains mainly the oxidant m-O2NC6H4SO3Na, the complex......
Inner and outer pressure forming of nickel based super-alloy thin-walled part with variable diameter sections WANG Zhong-jin(王忠金), GAO Tie-jun(高铁军) School of materials science and engineering...; Abstract: A novel forming method of nickel based super-alloy thin-walled part with variable diameter sections was proposed......
Cup-drawing formation of steel sheet with nickel coating by finite element method ZHANG Xiao-bing(张小兵), LONG Shi-guo(龙士国), MA Zeng-sheng(马增胜), PAN Yong(潘勇), ZHOU Yi-chun(周益春) Key Laboratory...) simulation of deep-drawing of steel sheet with nickel coating based on the solid element and dynamic explicit method was reported. Penalty function method was used to treat the contact algorithm......
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