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本所关于判定自然着火的研究课题(根据对煤加热产生的气体进行分析的结果,早期预测自然着火和熄灭过程的判定)是1984年立地公害局委托的矿山安全技术调查课题的一部分.从九州地区(1986年结束)及北海道地区(1987年仍继续进行)各煤矿的开采煤层中采取煤样分别在九州大学、北海道大学进行试验分析,获得了在常温和升温时气体产生的动态过程及煤的温度与气体产生的关系等资料.
Our research project on determining natural ignition (based on the analysis of gas generated from coal heating and the early prediction of natural ignition and extinguishment) was part of the survey on mine safety technology commissioned by the on-site public hazard bureau in 1984. From Kyushu Coal samples taken from the coal mines in the areas (ending in 1986) and in the Hokkaido area (continued in 1987) were tested at Kyushu University and Hokkaido University respectively, and the dynamic processes of gas generation during normal temperature and temperature increase and coal The relationship between temperature and gas production and other information.