There was a tendency of increase of nitrate-nitrogen and decrease of ammonia-nitrogen along the FPB column, indicating a significant nitrification activity.

  • 沿流化床高度,水中氨氮浓度呈沿程降低的趋势,而硝态氮浓度呈增大趋势,表明硝化作用比较明显。

  • 互联网摘选 2025-02-17 10:42:32

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