supported by the National Key Basic Research Program of China (No.2005CB 221501);the Innovation Scientists and Technicians Troop Construction Projects of Henan Province (No.084200510002);the Program for New Century Excellent Talents in University (No.NCET-07-0257)
Based on the important role in mine safety played by parameters of the first gas outburst, we propose a method of combining historic data, theoretical analysis and experimental research for the purpose of crit- ical v...