Results 111 to 120 of about 7,369 (191)

Services Trade Negotiations in the Doha Round : Opportunities and Risks for Pakistan [PDF]

This paper seeks to examine how locking-in of Pakistans unilateral liberalization at the WTO/GATS and further liberalization of services trade would affect Pakistans competitiveness.
Abid A. Burki, S.M. Turab Hussain
core   +1 more source

Coal thickness gauge using RRAS techniques, part 1 [PDF]

A noncontacting sensor having a measurement range of 0 to 6 in or more, and with an accuracy of 0.5 in or better is needed to control the machinery used in modern coal mining so that the thickness of the coal layer remaining over the rock is maintained ...
King, J. D., Rollwitz, W. L.
core   +1 more source

The impact of obstacle parameters on mid-high frequency noise propagation in comprehensive mining workfaces and safety implications. [PDF]

Sci Rep
Jia G, Yang M, Jiang D, Guo J, Liu M, Tao Y.   +5 more
europepmc   +1 more source

Evolution and dip effect of boundary spatial morphology of top-coal limit equilibrium zone in steeply dipping coal seam. [PDF]

Sci Rep
Wu X, Chi X, Lang D, Wu Y, Zhang Z, Chen S.   +5 more
europepmc   +1 more source

Experimental research on overlying strata movement and fracture evolution in pillarless stress-relief mining [PDF]

, 2015

core   +1 more source

Mechanization in Industry [PDF]

Harry Jerome
core   +6 more sources

Optimization of drawing parameters based on top-coal flow law in thick-seam caving mining. [PDF]

Sci Rep
Wu S, Xu X, Wang J, Kong D, Wu G, Liu Q, Zuo Y.   +6 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

Characteristics of overburden failure and evolution of fractures in fully mechanized top coal mining face. [PDF]

Sci Rep
Wang X, Liu F.
europepmc   +1 more source

Fault-induced detection method for power supply lines in the cutting unit of coal shearer based on PIO-VMD-EDO. [PDF]

Sci Rep
Wang Y, Rong X, Shi H, Liu M, Guo X, Cheng Z, Wang W.   +6 more
europepmc   +1 more source