1Current situation of the fully mechanized mining technology relating to large cutting height and thick coal seam4-8
2Significance and principle for establishing breakthroughs between horizontally extending development workings of long distance9-10
3Fuzzy expert system for evaluation of underground mining technology and the study of risk evaluation11-14
9Key step in desing of hydraulic hoisting system of remote connection for coarse-grained coal mixed with water29-31
11Practical application of amplitude modulation of the internal force in framed structure of reinforced concrete36-37
12Discussion on the lever principle method adopted in bridge structure,which is a question made in the qualification examination for registered structural engineer38-40
15Discussion on the desulfurization technology referring to the boiler with slurry recirculating fluidized bed46-48
18Internal force calculation of the outer shaft lining in consideration of the resistance moment of stratum53-55