描述:PB 89-143598 Removal of Algae from Lagoon Effluent从氧化塘排出物中去除藻类 PB 89-143630 Formulas Used in Water and Wastewater Calculations在水与废水计算中所用到的公式 PB 89-856
描述:DE89770008 Anaerobic Treatment of Swine Manures and of Organically Contaminated Waste Waters from Animal Meal Production-A Study 动物肉类生产中的有饥物污染的废水及猪粪等的