The influence of the hydraulic retention time, the voltage between the electrodes and the plate distance to the effect was discussed.
采用电化学法处理含氮废水，探讨了水力停留时间、板间电压和极板间距对电解效果的影响。
It could be available to control the concentration of nitrogen and phosphorus and the hydraulic retention time for algae bloom preventing.
控制氮磷浓度和水力停留时间是预防水华发生的有效措施。
The number of heterotrophic bacteria and nitrifying bacteria increased with the time of the hydraulic retention time, contrary to the nitrobacter.
根际细菌和硝化细菌数量随着水力停留时间增加而增加，而根际反硝化细菌数量则减少。
The results showed that at optimal hydraulic retention time, the fungus could form steady biofilm with high activity and stability on the carrier surface.
结果表明，选择适合的水力停留时间，白腐菌可以形成生物膜，生物膜的活性高，稳定性好。
The effect of hydraulic retention time (HRT), plant, packing and hydraulic flow state on purification efficacy and oxygen state was studied in artificial wetland.
试验研究了人工湿地中水力停留时间、植物、填料和水力流态对净化效率和氧状态的影响。
The results show that under the same hydraulic retention time, the intensive adsorption hydrolization contact oxidation method is higher treating efficiency and potential.
实验表明，在相同的水力时间，采用强化吸附法吸附水解一接触氧化法工艺具有较高的效率和潜能。
The relationship between the indirect removal potential of the plants and hydraulic retention time is an essential basis that affect the plant selection and its growth in wetlands;
植物间接净化作用及其与湿地水力停留时间的关系，是影响湿地植物选种和种植的重要依据；
The hydrolysis reactor has the advantages of having shorter hydraulic retention time and higher suspended solids removing efficiency because only hydrolysis and acidification stages take place.
其中水解反应器因为仅发生水解和产酸反应，停留时间短，对悬浮物的去除率很高。
This paper reviews the design method of membrane bioreactor, including determining hydraulic retention time and sludge retention time, choosing sludge concentration and analyzing the process economy.
综合论述了膜生物反应器的设计方法，包括确定最佳水力停留时间、污泥停留时间、污泥浓度，经济性分析。
This paper reviews the design method of membrane bioreactor, including determining hydraulic retention time and sludge retention time, choosing sludge concentration and analyzing the process economy.
综合论述了膜生物反应器的设计方法，包括确定最佳水力停留时间、污泥停留时间、污泥浓度，经济性分析。
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