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on structure of roll casting aluminum strip MAO Da-heng(毛大恒)1, ZHANG Yun-fang(张云芳)2, NIE Zhao-hui(聂朝辉)1, LIU Qiao-hong(刘巧红)1, ZHONG Jue(钟 掘)1 (1. School of Mechanical and Electrical Engineering... casting aluminum strip on plane twin-roll cast-roller with double-heads ultrasonic tools was carried out, and the metallographic structure of the roll casting aluminum strip treated by ultrasonic......
Article ID: 1003-6326(2005)05-0993-04 Interface structure and formation mechanism of vacuum-free vibration liquid phase diffusion-bonded joints of SiCp/ZL101A composites YAN Jiu-chun(闫久春), XU Hui...: The vacuum-free vibration liquid phase(VLP) diffusion-bonding of SiCp/ZL101A composites was investigated. The effects of vibration on the interface structure, the phase transformation and the tensile......
Effects of CeO2 on structure and properties of Ni-Mn-K/bauxite catalysts for water-gas shift reaction YE Binghuo1,WEI Kemei1,JIANG Lilong1 (1.National Engineering Research Center For Chemical... structure and properties were investigated by N2 physical, XRD, H2-TPR, and CO-TPD. The results indicated that the addition of 7.5% CeO2 improved the activity of the WGS reaction obviously, and also......
; Pore structure of ore granular media by computerized tomography image processing WU Ai-xiang(吴爱祥)1, YANG Bao-hua(杨保华)2, XI Yong(习 泳)2, JIANG Huai-chun(江怀春)2... 410083, China) Abstract: The pore structure images of ore particles located at different heights of leaching column were scanned with X-ray computerized tomography (CT) scanner, the porosity......
J. Cent. South Univ. Technol. (2011) 18: 314-318 DOI: 10.1007/s11771-011-0697-3 Structure and stability of Li-Mn-Ni composite oxides as lithium ion sieve precursors in acidic medium MA Li-wen(马立文... and the optimized synthesis temperature is 800 °C. LiNi0.4Mn1.6O4 prepared at 800 °C can maintain the spinel structure and morphology with Li extraction ratio of 30.37%, Mn extraction ratio of 8.78......
Superconductivity and Structure of BiSrCaEuCuO CompoundWang Ruikun He Qing Yu Dingan General Research Institute for Non-ferrous Metals,Beijing摘 要:<正> Since Michel et al.discoveredsuperconductivity of the BiSrCuO system at20K,the work of synthesizing highTc superconductors without rare-earth byadding some elements other than rare-earthsin......
the surrounding cell responses.In this work, nano-dimpled structure on the surface of pure tantalum was fabricated by electrochemical anodization.The surface morphology of the nano-dimpled structure was observed, and the dimensions of the nano-dimpled structure were measured by scanning electron microscopy(SEM).The surface roughness of the sample with nano-dimpled structure was measured by atomic force......
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Determination of the Influence of c-BN+h-BN Coating Structure on Brittleness Przemyslaw Libuda1,Maciej Kupczyk1,Przemyslaw Cieszkowski1,Adam Lejwoda1 (1.Poznan University of Technology, Institute... method (PPD). Influences of the structure (density, pores, microcracks) of coating material on the brittleness and on selected technological parameters of boron nitride formation by PPD method particularly......
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