1. Experimental Study on Nitrogen Removal of Domestic Sewage Using BAF with Pre-denitrification Process;Zhang;J. safety and environmental engineering,2008
2. Experimental study on suspended mediaum and its performance;Xia;J. Acta Scientiae Circumstantiae,2000
3. The state environmental protection administration,“water and wastewater monitoring analysis;M., chinese environmental science press,2002
4. Effect Of Biofilm Growing Method On Biological Aerated Filter;Fu;J. Technology of Water Treatment,2006
5. Impact of Gas and Water Ratio, Backflow Ratio and Flushing Load on Biological Aerated Filter;Xu;J. Environmental Science and Technology,2004