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Binary System MnO-Nb2O5韩海鸥,林勤,魏寿昆摘 要:<正> The phase diagram of the binary systemMnO-Nb2O5 was studied by means of the differentialthermal analysis(DTA.../mol,K)△Gmo=129000-77T(J/mol)MnO·Nb2O5:tm=1499±2℃△Hm=86940(J/mol)△Sm=49.6(J/mol,K)△Gmo=86940-49.6T(J/mol)The eutectic parameters for the system are given below:tE1=1383±3℃ NE1(MnO)=0.896tE2=1312±2℃ NE2......
Optimization of suspension system of off-road vehicle for vehicle performance improvementM. Mahmoodi-Kaleibar1, I. Javanshir2, K. Asadi2, A. Afkar3, A. Paykani1(1. Department of Mechanical... suspension system is one of the most effective methods, which could considerably enhance the vehicle stability and controllability. In this work, a comprehensive optimization of an off-read vehicle......
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Partial phase diagram of Au-Ag-Dy ternary system ZHANG Kang-hou(张康侯), CHEN Jiang(陈 江) (Kunming Institute of Precious Metals, Kunming 650221, China) Abstract: On the basis of Au-Ag, Au-Dy and Ag-Dy binary phase diagrams, the 700℃ isothermal section of Au-Ag-Dy ternary system(Dy≤35%, mole fraction) was established by X-ray diffraction analysis, differential thermal analysis and optical......
J. Cent. South Univ. Technol. (2010) 17: 1230-1237 DOI: 10.1007/s11771-010-0624-z Levitation mechanism modelling for maglev transportation system ZHOU Hai-bo(周海波), DUAN Ji-an(段吉安) School... transportation system was proposed for large travel range ultra precision motion. The system consists of a levitation subsystem and a propulsion subsystem. During the propulsion subsystem driving the moving......
J. Cent. South Univ. (2016) 23: 1633-1642 DOI: 10.1007/s11771-016-3218-6 Performance analysis of a pneumatic to servo converted system for electrode actuation in resistance spot welding using 304L...-Verlag Berlin Heidelberg 2016 Abstract: A high current,AC waveform controller with C-type body frame of spot welder (75 kVA), was examined for the electrode actuating system whose pneumatically driven......
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be achieved by controlling the stator current in the vector control of the PMSM. Since Te changes with iq in the control system, the vector control can be realized by controlling iq. 3 Mathematical model...J. Cent. South Univ. (2016) 23: 1406-1415 DOI: 10.1007/s11771-016-3193-y A new PMSM speed modulation system with sliding mode based on active-disturbance-rejection control RONG Zhi-lin(荣智林)1, 2......
J. Cent. South Univ. Technol. (2011) 18: 1139-1143 DOI: 10.1007/s11771-011-0815-2 Calibration of split Hopkinson pressure bar system with special shape striker ZHOU Zi-long(周子龙)1, HONG Liang(洪亮)2..., Yiyang 413000, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: In order to present basic guidance for system calibration of split Hopkinson pressure bar......