About UEMURA SHIGEKI
About 水環境学会誌
About developing country
About sewage treatment plant
About energy saving
About bioreactor
About waste water treatment
About trickling filter process
About porous medium
About oxygen aeration
About electric power consumption
About DHS reactor
About sponge
About Energy consumption and energy saving
About Sewage and wastewater treatment facilities
About 下水処理
About 省エネルギー技術
About エネルギー
About 消費
About DHS
About 海外展開