The freeway passes over the gob area of the Zaibo coalmine or its neighborhood when it is built. It is a noticeable problem that the construction of freeway and
<正> Based on heterogeneous and porous medium seepage of air leakage-diffusionequation, as well as, gas and porous medium synthesis heat transferring equation,
<正> Aiming to the deficiency of safety management measure,established simulation model about firm's safety management capability(FSMC) based on organizatio
<正> Function simulation,which is called virtual reality too,is popularly applied to solve uncertain problems.Good performance of hidden layers and perfect capa
<正> Exhaust gas in molding shop was complicated in component and characteristicin low thickness asphalt smoke,mass steam-gas and dust.It was difficult to purif