A new definition of speed dispersion ASD (average speed difference) is proposed based on car-following theory.
基于车辆跟驰理论提出了能够反映交通流动态特性的车速离散度平均速差(asd)的定义。
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The application of GIS technology to the process of atmospheric pollutant dispersion modeling were discussed, including boundary definition, initial state, data preparation and result visualization.
The "Crowding factor"can be used to characterize flocculation or dispersion of fibers in water suspension. The definition of crowding factor, the effects on crowding factor and the rela…