About HU P
About Rutgers Univ., NJ
About STROM P F
About Rutgers Univ., NJ
About Research Journal of the Water Pollution Control Federation
About domestic sewage
About activated sludge process
About Biological treatment of sewage and wastewater
About 活性汚泥
About 実験
About 糸状菌
About 増殖
About バルキング
About pH