About MURATA SHIGEYUKI
About YOSHIDA ISAO
About IWAHARA MASAYOSHI
About TASHIRO TAKAHIRO
About UENO TAKAHITO
About 崇城大学研究報告
About Kumamoto prefecture
About river pollution
About river
About water quality survey
About river survey
About coliform group
About ammonium ion
About anion
About nitrate
About waste from stockfarming
About drainage basin
About COD
About TOC
About BOD
About river purification
About nitrate ion
About Water Pollution
About microorganism
About index number
About 木山川
About Water pollution in general
About River pollution
About Water resources
About 川水
About 河川浄化
About プロジェクト