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Dry friction and wear performance of SiC 3D continuous ceramic frame reinforced 7075Al alloy HUANG Dan(黄 丹), CHEN Wei-ping(陈维平), ZHANG Shao-yang(章少阳), HE Zeng-xian(何曾先) School of Mechanical... resistance because of the coarse frame size. Hard SiC frame leads to the wear of Cr12 steel mainly. The frame with high volume fraction corresponds to the high Fe content. Key words: continuous......
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Article ID: 1003-6326(2005)05-1138-07 Sulphidization flotation for recovery of lead and zinc from oxide-sulfide ores FA Keqing1, Jan D.Miller1, JIANG Tao(姜 涛)2, LI Guang-hui(李光辉)2 (1...) Abstract: A new flowsheet was developed to recover the valuable minerals from oxide or oxide-sulfide ores of lead and zinc. The flowsheet consisted of flotation of sulfide minerals, desliming......
Large Photosensitivity in Lead Silicate Glasses X-C.Long1,S.R.J.Brueck1 (1.Center for High Technology Materials, University of New Mexico, Albuquerque, NM 87106) 摘要:A large photoinduced refractive index change (△n = 0.21 ± 0.04 ) is obtained in leadsilicate glasses by irradiation with the frequency quadrupoled output of a Q-switched YAG laser (266nm). [全文内容正在添加中] ......
Trans. Nonferrous Met. Soc. China 24(2014) 1202-1209 Effect of copper, sulfur, arsenic and antimony on silver distribution in phases of lead blast furnace J. CHAIDEZ-FELIX1, A. ROMERO-SERRANO1.... Echeverria, Torreon, C.P. 27300 Coahuila, Mexico Received 9 August 2013; accepted 17 November 2013 Abstract: An experimental study was carried out to estimate the effect of the lead impurities......
Lead desorption from modified spent grain LI Qing-zhu(李青竹), CHAI Li-yuan(柴立元), ZHAO Jing(赵 静), YANG Zhi-hui(杨志辉), WANG Qing-wei(王庆伟) School of Metallurgical Science and Engineering...; Abstract: Lead-loaded modified spent grain regenerated by desorption process was investigated. HCl, H2SO4, H3PO4, NaOH......
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Dependence of the emission electric dipole line strength of Eu~(3+) on the composition of lead borate glasses DUAN Changkui1,JIANG Sha1,LIU Ziyi1,JIA Guohua2 (1.College of Mathematics and Physics,Chongqing University of Post and Telecommunications,Chongqing 600065,China;2.Department of Biology and Chemistry,City University of Hong Kong,Kowloon,Hong Kong SAR,China) Abstract:Lead borate glasses......
FORMATION AND CRYSTALLIZATION OF LEAD HALIDE BASED GLASSES程继健摘 要:<正>A series of new glass compositions based onPbX2(X: Cl, Br or I) have heen studied... were studied. X-ray diffractionstudies demonstrate that there is the formation of compli-cated crystalline phases in crystallized lead iodide basedglasses. By heat treating halide glasses......
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