共搜索到17066条信息，每页显示10条信息，共1707页。用时：0小时0分0秒447毫秒
-hydraulic coupling of auger driller during luffing motion by bond graph HU Junping, LI Kejun (School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China) Abstract... and structural characteristics of the luffing mechanism were firstly analyzed, the bond graph model of revolute joint, cylinder and column were bulit, and the multi-body dynamics model for the basis unit......
Rheological Properties of Self-compacting Concrete Paste Containing Chemical Admixtures马保国1,王慧贤1,21. State Key Laboratory of Silicate Materials for Architectures ,Wuhan University of Technology2... for the filling layer of CRTSⅢ plate ballastless track, which needs excellent workability. The rheological properties of SCC cement paste containing chemical admixtures (CA) such as polycarboxylate-based......
J[A1] . Cent. South Univ. Technol. (2008) 15: 193-197 DOI: 10.1007/s11771-008-0037-4 Chemical composition and surface charge properties of montmorillonite LIU Xiao-wen(刘晓文), HU Min(胡 敏...; Abstract: The effects of the cell parameter and chemical composition on the surface charge properties......
valve and the mechanism of the magnetic fluids filled into the working gaps of a torque motor, the bond graph method was introduced to describe the energy input, transfer, translation and dissipation... and reducing the working area of magnetizer can improve the system’s stability, but reduce the flow gain of the system. Key words: magnetic fluids; twin flapper-nozzle servo valve; bond graph; simulation 双喷嘴挡板伺......
Photoelectrochemical properties of BiVO4 thin films with NaOH chemical treatmentDong-Dong Lv,Jiao-Feng Liu,Zheng Zhang,Ying-You Ma,Yan Liang,Zhi-Tai Zhou,Wei-Chang Hao摘 要:BiVO4 thin films were prepared by a mature and simple electrochemical deposition method on F-doped SnO2 substrate electrode(FTO). The influence of a chemical treatment using sodium......
Catalyst Enhanced Chemical Vapor Depositionof Nickel on Polymer Surface俞亚冕1,LIU Yiqin1,WANG Jun2,卿山1,俞开潮31. Faculty of Metallurgical and Energy, Kunming University of Science and Technology2. School of Energy and Power Engineering, Huazhong University of Science and Technology3. School of Chemistry and Chemical Engineering, Key Laboratory of Material Chemistry for Energy Conversion and Storage......
Cerium Chemical Conversion Coating on a Novel Mg-Li Alloy高丽丽,张春红Key Laboratory of Superlight Materials and Surface Technology,College of Materials Science and Chemical Engineering,Harbin Engineering University摘 要:A novel Mg-Li alloy was treated in a cerium nitrate solution and cerium chemical conversion coating was obtained on the alloy......
Chemical stability and electrical property of Ba1.03Ce0.6Zr0.2Yb0.2O3-α ceramic王茂元,仇立干,曹旭School of Chemistry and Chemical Engineering, Yancheng Teachers University摘 要:chemical stability against carbon dioxide and water steam at high temperature was tested. Ionic conduction of the material......
Chemical stability and electrical property of Ba1.03Ce0.6Zr0.2Yb0.2O3-α ceramic王茂元,仇立干,曹旭School of Chemistry and Chemical Engineering, Yancheng Teachers University摘 要:chemical stability against carbon dioxide and water steam at high temperature was tested. Ionic conduction of the material......
Preparation of pyramid-SiNWs binary structure with Ag nanoparticles-assisted chemical etchingZi-Long Zhang,Bo Wang,Yu Chen,Yun-Hui Tang,Xue-Mei Song,Qing-Liu Li,Hui Yan摘 要:chemical etching(MACE)method. Scanning electron microscope(SEM) was used to observe the micromorphology of the pyramid-SiNWs binary......
