About XU B
About Yanzhou Mining Administration
About FAN M
About Shangdong Mining Inst.
About Meitan Xuebao
About coal seam
About spontaneous ignition
About clustering
About inclination
About sulfur content
About content(quantity)
About thickness of strata
About thickness of coal seam
About fuzzy clustering
About Mine fire,explosion and gas
About ファジィクラスタリング
About 炭層
About 自然発火
About 傾向
About 予測