About TOMITA S
About Kyushu Univ., JPN
About INOUE M
About Kyushu Univ., JPN
About UCHINO K
About Kyushu Univ., JPN
About Mining Science and Technology '99
About methane gas
About auxiliary ventilation
About Mine ventilation
About Coal mines,coal resources
About 補助通気
About 坑道
About 気流
About メタン
About 挙動