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2011 Chinese Control and Decision Conference（CCDC）

作者： Dazhi E is now working at Key Laboratory of Fire Scene Investigation and Evidence Identification of MPS,Shenyang Fire Research Institute,Shenyang,China,Changzheng Zhao,Man Di,Wei Gao

In our common low-voltage three-phase four-wire power supply system,the neutral line is often *** the fault is difficult to find,so it easily causes some electrical equipments destroyed,and even causes a fire which results in enormous economic *** on MATLAB simulation and simulation experiment,the impact of electrical equipments induced by the fault of neutral line is studied and the risk of fault is also verified.

关键词： neutral line Fault Simulation

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Determination of Forward Slip Coefficient During Heavy Rail Rolling Using Universal Mill

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Journal of Iron and Steel Research International 2008年第2期15卷 32-38页

作者： DONG Yong-gang ZHANG Wen-zhi CAO Hui College of Mechanical Engineering Yanshan University Qinhuangdao 066004 Hebei China Institute of Design and Research Anshan Iron and Steel Group Corporation Anshan 114021 Liaoning China

The forward slip coefficient is one of the most important parameters for heavy rail rolling using universal *** simplifying the theoretical model,the vertical roll with box pass was simplified as an equivalent flat roll ***,the neutral angle of horizontal roll and vertical roll was ***,the equation of neutral line on the flank of horizontal roll was determined and the forward slip coefficient of the web was derived according to different positions of neutral ***,the forward slip coefficient of the top and base of heavy rail was *** theoretical results were basically in agreement with the experimental data.

关键词： heavy rail forward slip neutral angle neutral line universal mill

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维普期刊数据库

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Understanding Substorms in the Magnetotail：Early Development and Recent Progress

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空间科学学报 2011年第3期31卷 269-293页

作者： A.Nishida The Japan Academy TokyoJapan

This is a concise review of physics of the substorm in the *** consists of two parts. The first part summarizes historical developments in the early days of the space age(1960-1975)when the basic concepts such as magnetotail and reconnection were established and the leading model of the substorm was *** second part is an overview of the research conducted in recent years(1995-2010)when very significant advances have been achieved in understanding the substorm physics by virtue of several major satellites missions that addressed the magnetotail physics intensively.

关键词： Magnetosphere Substorm Magnetotail Convection Reconnection neutral line Plasma sheet Auroral breakup

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