Moreover, the removal efficiency of ultrafine particles increases with sound intensity increasing.

而且随着声场强度的增大,超细颗粒的清除效率也增加.

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The inclined board oil separation method raised the oil removal efficiency and its recovery out put.

隔油池中设置斜板提高了油与悬浮物的去除率,同时也提高了油的回收量.

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It is found that this system can improve the removal efficiency of COD and nitrogen.

研究还发现递进布水缩变波形流湿地能有效改善传统湿地对COD和 氮的去除效果.

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A good correlation of ammonia removal efficiency, nitrification rate and TN removal efficiency was found.

氨氮去除率和硝化速率、总氮去除率具有较好的相关性.

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COD removal efficiency can reach 79 % while the hydraulic residence time ( HRT ) maintains more than 6 h.

稳定运行时HRT为6h,COD去除率可达79%以上.

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The optimum operating conditions were studied and the oil removal efficiency was more than 90 %.

该设备的最佳除油率大于90%. 确定了最佳操作参数.

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When the inlet airflow and inlet concentration loadings increased, the removal efficiency of toluene decreased.

随着气体流量负荷和入口气体甲苯浓度负荷的增加, 甲苯的净化效率也随之下降.

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However, some pollution control equipments showed poor performance or even with negative cooking fume removal efficiency.

结果亦显示部份控制油烟设备的效率相当低,甚至显示负效率.

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