Economic loss estimation for earthquake hazard in Istanbul-Natural hazards, especially earthquakes, cause disasters when they hit large settlements such as metropolitan areas. After the first shock, the damage is counted by deaths and injuries. In a

这次修订的主要内容是向国际电工委员会（IEC）标准靠拢，在配电线路的保护中，为了防止人身间接电击、电气线路损坏和电气火灾，全面采用了国际电工标准,这是配网设计标准2011版-The main contents of this amendment to the International Electrotechnical Commission (IEC) standard to move closer to the protection of distribution lines, in orde

一维激波管问题差分格式计算对比分析，采用了MacCormack, Jameson, FVS, FDS, AUSM 的格式对一维激波问题进行分析计算，并对比了其性能-The comparison and analysis of one-dimensional shock tube problem with difference scheme is carried out. MacCormack, Jameson, FVS, FDS and AUSM are used to analyze and