About NUGROHO R
About Oita Univ., Oita, JPN
About TAKANASHI H
About Oita Univ., Oita, JPN
About HIRATA M
About Oita Univ., Oita, JPN
About Oita Univ., Oita, JPN
About Water Science & Technology
About waste water treatment
About biofilm
About Biological treatment of sewage and wastewater
About Wastewater treatment
About 硫黄
About 石灰石
About 充填カラム
About 工業廃水
About 脱窒素