About YAMAGUCHI SHINJI
About OGA KOTARO
About FUJIOKA MASASHI
About 石炭エネルギーセ
About NAKO MASAO
About 環境総合テクノス
About Journal of the Japan Institute of Energy
About methane gas
About coalbed methane
About Extracting method
About Manufacturing of gaseous fuels
About 炭田
About CO2
About 炭層
About 貯留
About ECBM
About 実験
About ヒストリーマッチング