Investigations on Effects of Using Small Hydraulic Fan to Deal with Gas from Corners of Fully Mechanized Coal Winning Faces王安民, 潘峰9-11
Try to Use "Six Persons Interlocking" Blasting Regulation in Coal and Gas Outburst Coal Mines傅(钅监)源, 金春和, 姜建农24-25
Mathematical Statistic Analysis for Limestone Water-preserving and Water Outburst Prevention李冲, 王颜红28-30
Application of Imported Frequency Converter in Chinese-made Low Frequency Power Device of AC Hoister郁青林, 部学军, 赵广党31-32