9Calculation of Main Performance Parameters in Aerodynamic Test of GB/T1236--2000 Industrial Fan22-24
10Reseaurch on Impact of Environmental Quality and Operational Load in Working Face upon Workers' Safety and Health25-27
15Study on Drawing Features and Technology of Top Coal Extraction By Sub-level Caving of Little Extraction-drawing Ratio37-39
18Research on Spontaneous Combustion Mechanism and Control Technique in Starting Cut and Gob of No.7361 Fully Mechanized Coal Face43-44,53