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of the Cu-Bi composite coating has also been enhanced significantly. Key words: Cu-Bi coating; composite coating; microhardness; coefficient of friction; electroplating 1 Introduction Cu and Cu alloys...%. The volume fraction is even smaller. The Bi phase therefore does not affect the resistivity of Cu significantly. Fig. 8 Coefficient of friction of Cu coating (a) and Cu-Bi coating (b) prepared at 50 mA/cm2......
J. Cent. South Univ. Technol. (2011) 18: 1293-1298 DOI: 10.1007/s11771-011-0835-y Embodied coefficient of energy carriers and its calculation method LIU Meng(刘猛)1, 2, LI Bai-zhan(李百战)1, 2, YAO... production and transportation were investigated. And based on the life cycle theory, an embodied coefficient of energy carriers was proposed to quantify the embodied energy consumption. Moreover......
Coefficient of consolidation by end of arc methodMohsen Abbaspout1, Reza Porhoseini1, Kazem Barkhordari1, Ahmad Ghorbani2(1. School of Technical & Engineering, Department of Civil Engineering... and consolidation coefficient. This method was then compared with two classical theory methods of lg t and Using Terzaghi’s theory, the way of pore pressure dissipation for lg t, and the new method......
, this paper comprehensively uses both types of methods to achieve the combination weight determination. The paper uses a combination of the G1 [23] method (subjective), and the coefficient... a more reasonable and reliable procedure to analyse and evaluate different ventilation modes. Key words: development face ventilation; G1 method; coefficient of variation method; comprehensive......
Article ID: 1003-6326(2005)02-0252-05 Optimization of dielectric constant temperature coefficient of pyrochlores containing bismuth REN Qing-li(任庆利)1, 2, LUO Qiang(罗 强)3, CHEN Shou-tian(陈... was also investigated. Either doping the anatase TiO2 or adding the surface active agent or both of them can widen sintering temperature range which satisfies the zero temperature coefficient (0±30......
V K. Determination of heat transfer coefficient for forging applications[J]. Journal of Materials Shaping Technology, 1990, 8(3): 193-202. (编辑 李艳红) ...热算法；接触换热系数 中图分类号:TG113.2 文献标志码:A Transient contact heat transfer coefficient between TP2 copper and 3Cr2W8V die steel XING Lei, ZHANG Li-wen, ZHANG Xing-zhi, YUE Chong......
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Spectrofluorimetric determination of terbium with terephthalic acidZHAO Guohu and ZHAO JunBasic Science Department, Gansu Agricultural University, Lanzhou 730070, China摘 要:<正>A spectrofluorimetric method has been developed for the determination of terbium(III) based on the formation ofa complex with terephthalic acid [benzene-1,4-dicarboxylic acid......
Color-Fading Spectrophotometric Determination of Cerium with DBC-Arsenazo 张晓霞1,翟庆洲1 (1.Research Center for Nanotechnology, West Campus, Changchun University of Science and Technology, Changchun... of thirty-six coexisting ions was studied. The method was applied to the determination of the trace amount of cerium in water samples and has the advantage of high accuracy and good selectivity. Key words......
Erratum to: Coefficient of consolidation by end of arc methodMohsen Abbaspour1, Reza Porhoseini1, Kazem Barkhordari1, Ahmad Ghorbani2(1. School of Technical & Engineering, Department of Civil Engineering, Yazd University,University Blvd, Safayieh, Yazd, Iran;2. School of Mining and Metallurgy, Department of Mine Exploration, Yazd University,University Blvd, Safayieh, Yazd, Iran)Abstract......
