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硝化-反硝化作用是氨氮去除的主要途径。Nitrification is the predominant removal process of ammonia.

氨氮负荷是影响反应器硝化性能的直接因素。The direct affected factor of nitrification was ammonia nitrogen loading.

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结果表明,潮土上尿素氮水解快,硝化活性较高。Results showed that urea was hydrolyzed fast with a high nitrification activity.

对上向流直接供氧生物膜硝化动力学进行了试验和讨论。The kinetics of nitrification biofilm in upflow and pure oxygen has been studied.

使用硝化抑制剂也能有效地抑制NH4向NO3的转化。Use of nitrification inhibitors can also effectively suppress conversion of NH4 to NO3.

石灰硝化装置是石灰乳制备系统的核心设备之一。The lime nitrification device is one set of core equipment in the lime-milk preparation system.

和硝化作用有关的一个问题就是由于生成硝酸而使系统内的PH值降低。A problem related to nitrification is a drop in PH for the system due to the formation of nitric acid.

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氯化铵与尿素或硫酸铵配合施用能明显降低其氮素的硝化作用。The nitrification was decreased when the urea or ammonium sulfate was combined with ammonium chloride.

重点研究了两反应器中污泥的硝化活性与反硝化活性。The study focused on the capability of nitrification and denitrification of the sludge in the reactors.

氨氮去除率和硝化速率、总氮去除率具有较好的相关性。A good correlation of ammonia removal efficiency, nitrification rate and TN removal efficiency was found.

提高人工湿地硝化能力,就可以提高湿地中氮去除率。The nitrogen removal rate would be increased through enhancing the nitrification ability in constructed wetland.

灌淤土施氮后土壤硝态氮含量变化与土壤含水量及氮肥种类有关。The results showed that nitrification process is directly related with soil moisture content and forms of N fertilizer.

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研究了铜离子对底泥和活性污泥硝化活性的抑制作用的差异。The inhibition of copper ion on nitrification activity of nitrifying bacteria in sediment and activated sludge were studied.

其中菌株CPZ-24同时具有异养硝化-好氧反硝化双重功能,异养硝化-好氧反硝化作用均发生在菌株的对数生长期。And strain CPZ-24 have the function of simultaneous nitrification and denitrification. It occurred in the log phase of the strain.

硝化过程主要由硝化细菌完成,因此硝化作用的效果基本取决于硝化菌体的生长状况。Nitrification is mainly fulfilled by nitrifiers. So the effect of nitrification is generally up to the growth state of nitrifiers.

文章通过室内培养实验,研究了类羧酸对棕壤中与氮素转化有关的生物活性的影响。Effect of genera carboxylic acid on urease, ammonification, nitrification of brown soil was studied through an indoor incubated test.

本文利用培养试验研究生物质炭对砖红壤性质及硝化作用的影响。Incubation experiments were arranged to study the effects of biochar applicaiton on soil properties and nitrification process in latosol.

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膜生物反应器中同步硝化反硝化的发生符合反应器溶解氧分布不均理论以及缺氧微环境理论。Nitrification and denitrification accord with the theory of maldistribution of DO and theory of deficiency of oxygen in microenvironment.

研究成果为硝化过程动态响应监测、过程控制和模型模拟提供基础资料。The results provide basic data for monitoring, modelling and controlling the dynamic process of nitrification by respirometry-titrimetry.

在这些影响因子中,DO是SBBR同时硝化反硝化的控制因素,而适当缩短泥龄可以很好除磷。DO was the key factor for the simultaneous nitrification and denitrification of SBBR. Reducing SRT was availability to removal phosphorus.