About KOJIMA YOICHIRO
About 北大 大学院農学院
About MATSUDA JUZO
About 北大 大学院農学院
About OMIYA KAZUHIKO
About 北大 大学院農学院
About 農業機械学会誌
About water closet wastes disposal plant
About waste material utilization
About nucleation
About water treatment plant
About sewage treatment
About medium (culture)
About performance test
About fermentation control
About MLSS
About sludge fermentation tank
About activated sludge process
About Bacillus
About microorganism
About Spore-Forming Bacteria
About Bacillus
About sludge fermentation tank
About activated sludge process
About seeding
About sewage treatment
About water clocet wastes disposal plant
About culture medium
About culture medium
About Water supply,drainage and sanitary equipment in buildings
About Biological treatment of sewage and wastewater
About 有機性廃棄物
About 浄化槽
About シーディング
About 開発
About 汚水
About 浄化効果