Figure 6 ,Table 1个

    • 图  1  采集及测试位点示意图

      Figure 1.  Schematic diagram of sites for sampling and testing in Orbal oxidation ditch

    • 图  2  2种模式下污水处理厂COD、${\rm{NH}}_4^ + $-N和TN的去除率

      Figure 2.  Removal efficiencies of COD, ${\rm{NH}}_4^ + $-N and TN under two modes

    • 图  3  2种模式下不同沟道转刷前后溶解氧浓度变化

      Figure 3.  Variation of DO concentration before and after RB in different channels under two modes

    • 图  4  不同沟道活性污泥中细菌种群

      Figure 4.  Bacterial population of activated sludge in different channels

    • 图  5  2种模式下不同沟道内总细菌、AOB和NOB的含量

      Figure 5.  Quantity of total bacteria, AOB and NOB in different channels under two modes

    • 图  6  HAO、NR活性与${\rm{NH}}_4^ + $-N，TN去除率之间的关系

      Figure 6.  Relationship between HAO and NR activities and removal rates of ${\rm{NH}}_4^ + $-N and TN