2Hybrid evaluation on numerical computing and similar simulation of steep dip angle and top coal mining117-120
6Features of magmatic activities and its relations to coal-accumulating in the early and middle Jurassic coal fields of the Western Hills, Beijing136-139
7The model of nonlinear rational approximation for geometric correction of remote-sensing image140-144
10Study of mathematical model of plotting of equilibrium of ventilation network based on independent path idea153-156
12Research on the thickness estimation of freezing wall according to temperature measurement along freeze tube162-166
13The effects of coal type and carbonization conditions on the porous texture of activated char derived167-172
14The calcined characteristics and pore structure characteristics of sulphur-removal additives at high temperature during coal combustion173-177
20An analysis of the tripping parameters of earth-leakage protection devices for high-voltage electric network in mines205-209