From the view of robotics, kinematical and dynamical analyses of the WD-400 Mechanical Forward Excavator are carried out in this paper. Transformation of the ma
This paper introduces the results of a semi-industrial UCG. trial carried out at Xuzhou Xinghe No. 2 mine. A new underground gasifier, long tunnel, large sectio
Based on the study of regional displaying rules of coal and gas outburst controlled by geological structure in Pingdingshan mining area, the geological structur
In this paper, the authors point out that the Creativity is an inevitable request in solving engineering and technological problems and that the coal beneficiat