<正> Several high-profile coal mining accidents since 2006 that killed 27 coal miners have prompted the passing of the Mine Improvement and New Emergency Respon
<正> The traditional open pit mine slope deformation monitoring system can not use the monitoring information coming from many monitoring points at the same tim
<正> In order to solve transport problems of industry solid,firstly,a new applicationnotion of pipeline transport was presented,that is to say,combining pretrea
<正> Three fresh China coals(lignitie,bituminite and anthracite) from different geo-logical origin and the corresponding fly and bottom ashes were studied by ro