About UEMURA SHIGEKI
About OKUBO TSUTOMU
About TAGAWA TADASHI
About ARAKI NOBUO
About HARADA HIDEKI
About 東北大 大学院工学研究科
About arid region
About Arab Republic of Egypt
About sewage treatment
About treated sewage
About sanitary sewage
About irrigation
About irrigation water
About drainage(water)
About waste water treatment
About survey on actual situation
About Egypt
About agricultural drain
About DHS reactor
About Other wastewater treatment and disposal
About Agricultural engineering
About エジプト
About 下水処理水
About 灌漑
About 展望