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; 文献标志码:A 文章编号:1672-7207(2010)02-0532-07 Dynamic modeling and simulation of mast link frame system of rotary... the dynamic behavior of mast link frame system, a mathematical model of four-bar linkage based on Newton-Euler method was established. A simulation model of mast link frame system based on Matlab......
J. Cent. South Univ. (2012) 19: 2620-2626 DOI: 10.1007/s11771-012-1319-4 Chemical fractions and potential mobility of lead in soils irrigated by sewage in Pearl River Delta, South China HUANG... for Pb in groundwater. In addition, soil particles, pH and Fe2O3 play an important role in the impact of mobility and chemical fractions of Pb in soils. Key words: chemical fractions; mobility; lead......
Trans. Nonferrous Met. Soc. China 24(2014) 884-892 Morphological and crystallographic characteristics of lead powder obtained by electrodeposition from an environmentally friendly electrolyte D... 1a, Belgrade, Serbia Received 10 July 2013; accepted 16 September 2013 Abstract: Lead powder obtained by potentiostatic electrodeposition from alkaline electrolyte, based on hydroxide ions......
; 文献标志码:A 文章编号:1672-7207(2021)03-0806-14 Study on damage-collapse and protection technology of RC frame... Structure Safety of Ministry of Education, Tianjin University,Tianjin 300350, China) Abstract: The models of reinforced concrete frame structure, explosive, air and fragments were set up based......
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Reductive smelting of spent lead–acid battery colloid sludge in a molten Na2CO3 saltYu-jie Hu1,2,Chao-bo Tang1,Mo-tang Tang1,Yong-ming Chen11. School of Metallurgy and Environment, Central South University2. School of Metallurgy Engineering, Hunan University of Technology摘 要:Lead extraction from spent lead–acid battery paste in a molten Na2CO3 salt......
Effects of Lead on the Initial Corrosion Behavior of 316LN Stainless Steel in High-Temperature Alkaline SolutionJia-Min Shao1,Cui-Wei Du1,Xin Zhang2,Li-Ying Cui11. Corrosion and Protection Center, University of Science and Technology Beijing2. Nuclear and Radiation Safety Center, Ministry of Environmental Protection of P.R.China摘 要:The effect of lead......
; 文章编号:1672-7207(2008)01-0202-07 Pushover analysis for continuous rigid frame bridge CHEN Xing-ye, LIU Wen-hao, TANG Xue-song (College of Bridge and Structural Engineering, Changsha University of Science and Technology, Changsha 410076, China) Abstract: The seismic response analysis for a continuous rigid frame bridge was performed by application of the pushover method......
; 文献标志码:A Kinetics analysis of leaching lead from lead residue in NaCl-HCl solution YANG Li-jiao1, CHEN Nan-chun1, ZHONG Xia-ping2, XIE... Utilization, Mineral Resources, Chinese Academy of Geological Science, Zhengzhou 450000, China) Abstract: In order to provide a theoretical basis to improve the leaching rate of lead in lead residue......
of the improved interframe difference algorithm and the improved optical flow algorithm was proposed. According to the improved three-frame difference algorithm, the region of the moving target... target can be detected precisely by the threshold value of optical flow vector. The experiment results show that the method has good robust and small computation. Key words: improved frame difference......
