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    Figure 4 ,Table 4个

    • 图  1  浮床网片

      Figure 1.  Floating bed mesh

    • 图  2  各组中总氨氮(TAN)、亚硝态氮(NO−2-N)和硝态氮(NO−3-N)浓度的变化

      Figure 2.  Variation of concentrations of total ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in each group

    • 图  3  各组中化学需氧量(COD)和总固体悬浮物(TSS)的变化

      Figure 3.  Variation of concentrations of chemical oxygen demand and total solid suspension in each group

    • 图  4  各组中总氮和总磷浓度变化

      Figure 4.  Variation of concentrations of total nitrogen and total phosphorus in each group