About KOMAI TAKESHI
About 産業技術総合研 地圏資源環境研究部門
About pollution
About environmental pollution
About environmental management
About heavy metal
About information
About geology(science)
About soil pollution
About Japan
About 汚染メカニズム
About 環境地質学
About heavy metals
About 地圏環境情報
About geological contamination
About Soil pollution
About 土壌汚染対策
About 環境地質学
About 役割