模拟结果表明，在考察条件下，平均停留时间相差不大，散度成为人工湿地水力学效能的主要影响因素。

The simulation results confirmed that dispersion was an important factor for hydraulic efficiency while mean residence time c.

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在相同水流量条件下，水由下向上流时水中臭氧浓度，高于由上向下流时相同水力停留时间时的臭氧浓度。

At the same flow rate the concentrations of ozone in upflow are higher than that in downflow at the same HRT.

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在进水COD相同条件下，溶解性微生物产物的量随着水力停留时间延长呈下降趋势。

The amount of SMP manifested the trend of reduction with the prolongation of HRT at the same concentration of influent COD, and increased with the concentration of influent COD at the same HRT.

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