About SUTO Yuko
About Graduate School of Environmental Studies, Tohoku Univ., JPN
About TAKAHASHI Hiroshi
About Graduate School of Environmental Studies, Tohoku Univ., JPN
About Geothermics
About high temperature
About drilling (well)
About roller bit
About frictional heat
About warming
About load
About grease
About resistance
About flow
About bearing
About eigenvalue
About lubricating oil
About geothermal well
About Drilling in general
About Geothermy development
About 地層
About 掘削
About トリ
About コーン
About ビット
About 摩擦熱
About 温度上昇