XU Jin~1, SUN Jun-yi~2. Sludge Retention Time in Design of Biological Phosphorus and Nitrogen Removal System[J]. Journal of Civil and Environmental Engineering, 2005, 27(5): 83-86.
XU Jin~1, SUN Jun-yi~2. Sludge Retention Time in Design of Biological Phosphorus and Nitrogen Removal System[J]. Journal of Civil and Environmental Engineering, 2005, 27(5): 83-86. DOI: 10.11835/j.issn.1674-4764.2005.05.019.