Coal and gas outburst is a violent disaster driven by released energy from gas desorption.The initial expansion energy of released gas(IEERG)is a new method to
Rhodiola sachalinensis growing in the different habitats, Xiaotianchi plot (altitude 1 800 m), Tree lineplot (altitude 2 000 m) and Tianwenfeng plot (altitude 2 325 m), of Changbai Mountain (nor-them