1Lesley A. Robertson,J. Gijs Kuenen. Combined heterotrophic nitrification and aerobic denitrification in Thiosphaera pantotropha and other bacteria[J] 1990,Antonie van Leeuwenhoek(3):139～152
5Rao T S, Rogers K H. Biofilm formation in a fresh water environment under photic and aphotic conditions[ J]. Biofouling, 1997, 11(4): 265-282.
6Mantovi P, Mitsch W J. Application of a horizontal subsurface flow constructed wetland on treatment of dairy parlor waste water [ J ]. Bioresource Technology, 2003, 88(2) : 85-94.
7Gomez E, Durillon C, Roles G, et al. Phosphate adsorption and release from sediments of brackish lagoons : pH, 02 and loading influence[J]. Water Research, 1999, 33(10) : 2437-3447.
8GMUNDER A, GNIESER J. Deep-bed filtration granular media applied for industrial wastewater [J]. Water Supply, 1990,(8) :171-176.
9KOLLISH G. Nitrification in partially aerated flocculation filters-a full-scale approach [J]. Water Scilence Technolog, 1998,38 (3) : 135 - 142.
10NGO H H, VIGNESWARAN S. Application of downflow floating medium flocculator/prefilter(DFF) -coarses and filer(CSF) in nutrient removal [J]. Water Science Technology, 1996,33 (8) : 63 - 70.
