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Article
Comprehensive analysis of safe mining to heavy and steep coal seam under complex geophysics environment
In virtue of effect of N-S intensive ground stress and mining disturbance to +579E2EB1+2 mining site at Weihuliang Mine, the dip angle and section height is 65° and 52 m, respectively, the collapses happed freque...
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Article
Determination of trace multi-elements in coal fly ash by inductively coupled plasma mass spectrometry
The contents of Cr, Cu, Ni, As, Cd and Pb in coal fly ash were determined by a high resolution inductively coupled plasma mass spectrometry method. The sample digestions were performed in closed microwave vess...