共搜索到3371条信息,每页显示10条信息,共338页。用时:0小时0分0秒203毫秒
Effect of Cerium Sulfate on Acidic Electroless Nickel Deposition刘海萍,李宁,毕四富摘 要:The effect of cerium sulfate on bath stability, deposition rate, reaction activation energy and deposit composition in acidic electroless nickel plating solutions was investigated. The influence mechanism of cerium sulfate on electroless nickel was also studied......
Viscosity estimation for slags containing calcium fluorideQifeng Shu and Jiayun Zhang Metallurgical and Ecological Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正>Based on recently published experimental data, the Riboud model was modified for viscosity estimation of the slags containing calcium......
:A 文章编号:1672-7207(2016)06-1850-10 Numerical simulation of calcium vaporization during Ca-treatment process in ladle WANG Shunxi, ZHANG Jiongming, SONG Wei, WANG Bo, BAI Dunmin (State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China) Abstract: According to the law of calcium vaporization......
Relation between Neodymium and Calcium in Rape under Ca-Deficiency 刁维萍1,魏幼璋1,倪天华1 (1.College of Environmental and Resource ,Zhejiang University,Hangzhou 310029,China) Abstract:The function of Nd3... with signal transduction pathway.Nd3+ shows mainly its toxic action under high concentration(60 μmol·L-1). Key words:botany; neodymium; calcium; rape; Ca2+-ATPase; rare earths; [全文内容正在添加中] ......
Deterioration Mechanisms of Sulfate Attack on Concrete under Alternate Action高润东State Key Laboratory of Hydroscience and Engineering, Tsinghua University摘 要:By micro- and macro-observations, the deterioration mechanisms of concrete under alternate action between repeated sub-high temperature/cooling by water and sodium sulfate solution attack (TW-SA......
Thermodynamics and Kinetics of Calcium Sulphoaluminate郭惠玲,谢峻林Key Laboratory for Silicate Materials Science and Engineering of Ministry of Education, Wuhan University of Technology摘 要:The formation process of calcium suphoaluminate(C4A3S) was investigated by the X-ray diffraction technique and then the thermodynamics was analyzed, finally the kinetics......
Distribution of Calcium Carbonate in the Process of Concrete Self-healing钱春香1,2,LI Ruiyang1,2,LUO Mian1,2,CHEN Huaicheng1,21. School of Materials Science and Engineering, Southeast University2. Research Institute of Green Construction Materials, Southeast University摘 要:The complete deposition distribution process of calcium carbonate is summarized......
TENSILE STRENGTH AND CREEP RESISTANCE OF Mg-9Al-1ZnBASED ALLOYS WITH CALCIUM ADDITION Y.S.Sun1,W.M.Zhang1,X.G.Min1 (1.Department of Materials Science and Engineering, Southeast University, Nanjing 210096, China) Abstract:Small amount of calcium addition to the Mg-9Al-0. 8Zn-0.2Mn(AZ91) alloy resulted in the obvious influence on mechanical properties. The yield strength of the alloys increased......
Synthesis of n-Butyl Acetate by Silica Loaded Cerous Sulfate Catalyst蒋柏泉,叶志强,刘贤相,王敏炜,余晓英,张文龙摘 要:Silica was used, as a catalyst carrier, to load cerous sulfate for catalyzing the synthesis of n-butyl acetate. The main purpose of this research was to explore the feasibility of silica in improving the decentrality and activity of the catalyst. The effects......
Deterioration Mechanism of Sulfate Attack on Concrete under Freeze-thaw CyclesNIU Ditao,JIANG Lei,FEI QiannanSchool of Civil Engineering,Xi’an University of Architecture and Technology摘 要:The experiments of concrete attacked by sulfate solution under freeze-thaw cycles were investigated. The sulfate solution includes two types of 5% Na 2 SO 4 and 5......