Results 161 to 170 of about 4,725,858 (203)

Study on the rational position of externally offset mining roadway in the lower split during layered mining of a thick coal seam. [PDF]

Sci Rep
Chen X, Liu Y.
europepmc   +1 more source

Influence of joint fissure occurrence on stress distribution of coal wall in large mining height. [PDF]

Sci Rep
Guo W, Gao Y, Wang G.
europepmc   +1 more source

Research on the law of multiple mining in close coal seams and the roadway support of lower coal seam. [PDF]

Sci Rep
Wu X, Guo L, Sun Y, Wu X, Zhang N.
europepmc   +1 more source

Determination method of rational position for working face entries in coordinated mining of section coal pillars and lower sub-layer. [PDF]

Sci Rep
Li X, Huan H, Lin H, Li Z, Du F, Cao Z, Fan X, Ren H.   +7 more
europepmc   +1 more source

Layered grouting reinforcement technology for coal-rock composite roof: A treatment system based on model experiments. [PDF]

Sci Rep
Liao Z, Li P, Zhao X, Wu G, Zhao L.
europepmc   +1 more source

A novel Upward-Extended Five-Zone model for overburden failure in deep coal seams with ultra-thick Cretaceous strata. [PDF]

Sci Rep
Yin HY, Xiao Y, Fan XR, Xie DL, Wei JC, Niu HG, Zhang WJ, Han CH, Wei YQ.   +8 more
europepmc   +1 more source

Effects of particle size and moisture on respirable coal dust generation in pakistan's informal bituminous mines. [PDF]

Sci Rep
Khan S, Song Z.
europepmc   +1 more source

Characterization and dynamic evolution law of transverse fractures in the upper protected coal seam. [PDF]

Sci Rep
Zhan K, Wang M, Ma Y.
europepmc   +1 more source

An integrated approach to mining layout design for compound-hazards mines with coordinated rockburst and water inrush control. [PDF]

Sci Rep
Bai J, Dou L, Gong S, Jin J, Li H, Mao J, Liu Z, Li F, Wang G, Li C, Miao L, Guo H.   +11 more
europepmc   +1 more source

Research on surrounding rock control technology of roof cutting and pressure relieving for roadside filling in gob-side entry retaining of large mining height panel. [PDF]

Sci Rep
Weiyong L, Shengjun L, Yaohui S, Tao G, Wansheng M, Xiaowu Z.   +5 more
europepmc   +1 more source