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coated with Ca(OH)2 display a porous surface structure. The electrochemical experiments indicate that the surface modification decreases the polarization of MnO2 electrodes and improves their discharge potentials and discharge capacities. Key words: manganese dioxide; surface modification; cyclic voltammetry; electrochemical impedance spectroscopy CLC number: TM911 Document code: A 1 ......
with a large number of cells. The predicted grain structures are in good agreement with the experimental results. Key words: Ti-45%Al alloy; cellular automaton; solidification grain structure CLC number: TG27...Article ID: 1003-6326(2005)02-0291-05 Modeling of solidification grain structure for Ti-45%Al alloy ingot by cellular automaton WU Shi-ping(吴士平), LIU Dong-rong(刘东戎), GUO Jing-jie(郭景杰), FU......
Surface structure and catalytic activity of electrodeposited Ni-Fe-Co-Mo alloy electrode by partially leaching Mo and Fe LUO Bei-ping(罗北平)1, 2, GONG Zhu-qing(龚竹青)3, REN Bi-ye(任碧野)2, YANG... by electrodeposition, and then Mo and Fe were partially leached out from the electrode in 30% KOH solution. The unique surface micromorphology of a hive-like structure was obtained with an average pore size......
The Organize Structure and Property of Eletroless Ni-P/PTFE Composite Layer HAO Wen-sen1,ZHAO Fu-jun2,LI Guo-xiang3,WANG Zhou2,Li Guo-Xi3,ZHANG Xu-yun1,LI Hong-liang2,XA Li-fang4 (1.Daqing Petroleum Institute;2.Dalian University;3.Daqing Petroleum Doctor Work Station;4.Harbin Institute of Technology) 摘要:The surface appearance of Ni-P/PTFE composite layer made by the method of electroless......
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structure is found in the grains of the bio-oxidation residue. Key words: bio-oxidation; arsenic-bearing gold concentrate; XPS; chemical state; sulfur; surface nature CLC number: TH111.31 Document code..., the structure of the grains, and the surface nature of the residue, XPS test was carried out through different sputtering duration. The study of XPS clearly shows that: sulfides is progressively oxidized from......
; surface tension; filling ability; wetting angle; Al-Si alloy; pure Sn CLC number: TG113.2 Document code: A 1 ... Article ID: 1003-6326(2005)03-0548-05 Effects of alternative electromagnetic field on surface tension and filling ability of molten metal HE Hong-liang(何洪亮), KANG Fu-wei(康福伟......
J. Cent. South Univ. (2020) 27: 3436-3449 DOI: https://doi.org/10.1007/s11771-020-4557-x Mechanical behaviors of interaction between coral sand and structure surface FENG Ze-kang(冯泽康)1, XU Wen-jie... the changes in shear stress and vertical displacement. In addition, the effects of structure surface roughness on shear strength, volume change and particle breakage are illustrated that the greater......
wafers and surface topography, composition and structure were analyzed. The results show that the change of surface composition by etching is beneficial to decrease leakage current. Meanwhile...Study on Surface Treatments on CdSe Wafers Zhao Beijun1,Ren Rui1,Wang Ruilin1,Zhu Xinghua1,He Zhiyu1,Ye Linsen1,Zhu Shifu1,Wen Cai1,Zhong Yuhang1 (1.Department of Materials Science, Sichuan......
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......