Academician Minggao Qian directed ecological restoration research of arid and semi-arid coal mining areas in western China#br#

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[1]	. Experiment on size effect of coal and rock deformation characteristics in coalmine underground reservoir [J]. Journal of Mining and Safety Engineering, 2021, 38(4): 810-818.
[2]	. Overlying strata fracture and instability process and support loading prediction in deep working face [J]. Journal of Mining and Safety Engineering, 2021, 38(2): 304-316.
[3]	. Roof fracture and instability law of overlying strata in fully mechanized caving mining in ultra-close thick coal seams under the room mining goaf [J]. Journal of Mining and Safety Engineering, 2020, 37(6): 1180-1187.
[4]	. The effect of stress transfer on the spatial distribution of void ratios in crushed rock mass [J]. Journal of Mining and Safety Engineering, 2020, 37(4): 723-730.

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