About GAMES L M
About Procter & Gamble Co., Ohio
About KING J E
About Procter & Gamble Co., Ohio
About LARSON R J
About Procter & Gamble Co., Ohio
About Environmental Science & Technology
About quaternary ammonium
About activated sludge process
About Biological treatment of sewage and wastewater
About Other cleaning agents
About 第四アンモニウム
About 界面活性剤
About オクタデシルトリメチルアンモニウムクロリド
About OTAC
About 廃水
About 処理過程
About 分布