About IMANAKA SATOSHI
About OKADA SHINJI
About KOSAKI YASUNORI
About KASAHARA SHINSUKE
About ISHIKAWA MUNETAKA
About industrial waste water
About Petroleum
About improvement of efficiency
About biological activity
About microbial degradation
About auxiliary
About microbial biodegradability
About emulsification
About saponin
About activated sludge
About microbial activity
About Mineral Oil
About waste
About liquid waste
About industrial waste
About modification
About activated sludge
About mineral oil
About 生物処理
About biodegradability
About Biological treatment of sewage and wastewater
About 排水
About 鉱物油
About 生物