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J. Cent. South Univ. Technol. (2011) 18: 782-790 DOI: 10.1007/s11771-011-0763-x Continuous query scheduler based on operators clustering M. Sami Soliman, TAN Guan-zheng(谭冠政) School...) provides convenient solutions to the problem of processing continuous queries on data streams. Previous approaches for scheduling these queries and their operators assume that each operator runs......
evolved after annealing at 523 K (250 °C) for 1 h. It is suggested that the annealing behavior of this dynamic deformed aluminum is a continuous process of grain coarsening, rather than the traditional discontinuous recrystallization for the quasi-static compressed aluminum. Key words: strain rate; thermal stability; continuous recrystallization; 1050 commercial pure aluminum 1 Introduction Various......
voltages of 100 V and 200 V 4.4 Velocity of melt The local velocity differences of the melt are caused by the magnetic pressure. The calculated contours and velocity vectors of the flow field...; Fig.8 Calculated contours and velocity vectors for flow field with different discharge voltages at time of 0.001 s: (a) 100 V; (b) 200 V 4.5 Microstructural refinement of pure Mg......
Evaluation and optimization of strapdown velocity numerical integration algorithms for SINS in spinning ballistic missilesSONG Min(宋敏), WU Wen-qi(吴文启)(Department of Automatic Control, College of Mechatronics and Automation, National University of Defense Technology, Changsha 410073, China)Abstract:The error of the conventional velocity numerical integration algorithm was evaluated through......
Effect of electromagnetic force on melt induced by traveling magnetic field SU Yan-qing(苏彦庆), XU Yan-jin(徐严谨), ZHAO Lei(赵 雷), GUO Jing-jie(郭景杰), FU Heng-zhi(傅恒志) School of Materials... study of the traveling magnetic field (TMF) and its application to the Ga-In-Sn melt (with low melting point), then the forces on Al, Mg, and Li melt, were simulated. The result show......
University Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: Spur dike is one of the river training structures. This work presented a numerical simulation of flow field and three-dimensional velocity... secondary flow and maximum velocity. Booij [2] using large eddy simulation (LES) simulated flow field in a 180° bend and measured Reynolds shear stress. Vaghefi et al [3] studied experimentally......
of acrylamide and styene was carried out in a microemulsion system, in which AM aqueous solution was the continuous phase and St was the dispersed phase using ST-80 as surfactants, respectively. Hydroxamic..., and the effect of copolymer on red mud setting process was tested. The results show that the new high-molecular-mass hydroxamic acid containing phenyl has better characteristic in setting velocity and clarity......
J. Cent. South Univ. Technol. (2008) 15: 479-483 DOI: 10.1007/s11771-008-0090-z Effect of magnetic field on property and structure of polyaniline doped with multiple sulfonic acids MA Li(马 利)1, 2...(SSA) was synthesized by emulsion polymerization using ammonium persulfate(APS) as an oxidizing agent in the presence and the absence of a constant magnetic field(MF......
and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China) Abstract:In view of fine cracks occurred on the surface of BNbRE continuous casting slabs for heavy rail in the practiced production, the effect of two factors, i. e. deformation temperature, deformation velocity, on thermo plasticity of BNbRE steel at the third brittle zone was quantitatively......
Grain refinement of as-cast superalloy IN718 under action of low voltage pulsed magnetic field LI Ying-ju, MA Xiao-ping, YANG Yuan-sheng Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China Received 18 October 2010; accepted 16 December 2010 Abstract: The grain refinement of superalloy IN718 under the action of low voltage pulsed magnetic field was investigated......