And based on the simulation of dynamic arc characteristics during the interrupting process , the interactive mechanism of the arc and high velocity gas flow has been deeply analyzed , the variation of the gas flow parameters under the condition of arc clogging and interaction of arc and shock wave have been studied 在断路器开断过程动态电弧特性仿真的基础上，深入解析了电弧与高速气流的相互作用机理，研究了电弧堵塞情况下喷口气流参数的变化，电弧与激波的沈阳工业大学博士学位论文摘要相互作用等。
Process tomography ( pt ) techniques , which has been development rapidly in recent several ten years , have made certain progress in field of measurement of two - phase flow / multiphase flow parameter ' s distribution status . it might become a means for two - phase flow measurement and could be widely applied in industry 近十几年发展起来的过程层析成象( pt )技术在两相流多相流流动参数分布状况的测量方面取得了一定的进展，有可能成为解决两相流参数检测的有效手段，具有很大的潜力和广阔的工业应用前景。
Electrical capacitance tomography ( ect ) is a process tomography ( pt ) technique based on capacitance sensor . ect has the advantage of being non - radiate , non - intrusive , fast in response , simple in structure and low in cost , so it is a new way to measure two - phase flow parameters . flow pattern identification is a important question in the measurement of two - phase parameters which can be resolved with ect technology , which is a good potential , in process of groping approach 电容层析成像( ect )技术是基于电容敏感机理的过程成像( pt )技术，具有非辐射、非侵入、响应速度快、结构简单、成本低等优点，它为解决两相流参数检测问题提供了新的途径，流型辨识一直是两相流参数检测中的重点之一，应用电容层析成像技术进行流型辨识是目前正在探索的具有良好发展前景的方法。
The following is the details : ( 1 ) we analyse the traffic characters of drivers , cars and roads in traffic flowing , and also study the macro and micro parameters of traffic flowing including the relationship between these parameters . then we give a definition for service level of basic section of a highway 具体工作如下： 1 )综合分析了交通流中驾驶员的交通特性、车辆的交通特性、道路的交通特性，交通流的宏观参数、微观参数；分析研究了交通流参数之间的相互关系。
