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Forecasting of wind velocity: an improved svm algorithm combined with simulated annealingLIU Jin-peng(刘金朋), NIU Dong-xiao(牛东晓), ZHANG Hong-yun(张宏运), WANG Guan-qing(王官庆)(School of Economics...’ experience should be improved. after a detailed description of the methodology of SVM and simulated annealing, an improved algorithm was proposed for the automatic optimization of parameters using SVM......
efficiency of heavy metals adsorbed by soils being treated. In order to control the soil pH and enhance the removal efficiency of heavy metals, many methods such as conductive solutions[2, 6], conditioning... Article ID: 1003-6326(2005)06-1394-07 Removal of cadmium from cadmium-contaminated red soils using electrokinetic soil processing LIU Yun-guo(刘云国), LI Cheng-feng(李程峰), ZENG Guang-ming(曾光明......
considering the variation coefficient of consolidation with void ratio and saturation for consolidation of an unsaturated soil under stage continuous loading were derived, and according to analytical solutions...Analysis of nonlinear settlement for an unsaturated soil under stage continuous loadingCHEN Wei-zhi(陈伟志)1, 2, JIANG Guan-lu(蒋关鲁)1, 2, ZHAO Hui-shuang(赵慧爽)1, 2, WU Li-jun(吴丽君)3, LI An-hong(李安洪)4(1......
Regulations and patterns of soil moisture dynamics and their controlling factors in hilly regions of lower reaches of Yangtze River basin, ChinaYU Wei-qing(余蔚青)1, 2, 3, WANG Yu-jie(王玉杰)1, 2, HU Hai-bo(胡海波)4, WANG Yun-qi(王云琦)1, 2, ZHANG Hui-lan(张会兰)1, 2, WANG Bin(王彬)1, 2, LIU Yong(刘勇)1, 2(1. School of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China;2. Key......
酸性土壤中模拟硝酸型酸雨作用下X70钢的腐蚀行为 王福会1,王海峰2,许进1,孙成1,王欣3,于长坤1 (1.中国科学院金属研究所,金属腐蚀与防护国家重点实验室,沈阳,110016;2.青海盐湖钾肥股份有限公司,格尔木,816000;3.沈阳广播电视大学理工学院生化系,沈阳,110003) 摘要:采用极化曲线,电化学阻抗谱,X射线衍射分析(XRD)及扫描电子显微镜(SEM)等方法,研究酸性土壤中不同pH值模拟硝酸型酸雨对X70钢腐蚀行为的影响.结果表明,酸性土壤中模拟硝酸型酸雨对埋地X70钢的腐蚀起加速作用;XRD结果表明X70钢表面的腐蚀产物主要由Fe_2O_3和SiO_2组成;SEM分析表明随着淋溶液pH值的升高试样表面粗糙度逐级降低,气孔数量逐渐减少. 关键词:酸性土壤; 模拟硝酸型酸雨; X70钢; acid soil; simulated nitric acid......
Corrosion behavior of Mg and Mg-Zn alloys in simulated body fluid GAO Jia-cheng(高家诚)1, 2, WU Sha(伍 沙)1, QIAO Li-ying(乔丽英)1, 2, WANG Yong(王 勇)1 1. College of Materials Science and Engineering...: The corrosion behavior of Mg and Mg-Zn in simulated body fluid was studied. The mass loss of pure Mg, Mg-Zn-Zr and Mg-Zn-Zr-Y in simulated body fluid was measured using photovoltaic scale meter. Corrosion......
and corresponding liquefaction-induced soil settlement Y. PASHANG PISHEH, S. M. MIR MOHAMMAD HOSSEINI Department of Civil and Environmental Engineering, Amirkabir University of Technology, Tehran, Iran ? Central...; Abstract: A two-dimensional numerical model was used to explain the liquefaction mechanism of double sand lenses and the corresponding soil deformation......
Bone-like apatite formation on HA/316L stainless steel composite surface in simulated body fluid FAN Xin(樊 新), CHEN Jian(陈 剑), ZOU Jian-peng(邹俭鹏), WAN Qian(万 千), ZHOU Zhong-cheng(周忠诚), RUAN Jian... by hot-pressing technique. The formation of bone-like apatite on the biocomposite surfaces in simulated body fluid(SBF) was analyzed by digital pH meter, plasma emission spectrometer, scanning......
; (3) where μ is the Poisson ratio of soil. Based on the solutions of image problem and using Fourier transforms, VERRUIJT and BOOKER [5] derived the solutions...J. Cent. South Univ. Technol. (2011) 18: 859-865 DOI: 10.1007/s11771-011-0774-7 Modified image analytical solutions for ground displacement using nonuniform convergence model YANG Xiao-li(杨小礼......
