There was 75.75% increase on chemical oxygen demand (COD).
生化耗氧量养殖初、末期相比较升高了75.75%；
Chemical oxygen demand is one of the important parameter in water monitoring.
化学需氧量是水质监测的一个重要参数。
Temperature had an evident influence on chemical oxygen demand (COD) removal.
温度对系统COD去除能力有着比较明显的影响。
Temperature had an evident influence on chemical oxygen demand (COD) removal.
温度对系统COD去除能力有着比较明显的影响。
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