The final reduction product of nitrate nitrogen is ammonia nitrogen.
硝酸盐氮的最终还原产物为氨氮。
The result indicated that the main pollution target of this section is permanganate index, five days' biochemical oxygen demand and ammonia nitrogen.
评价结果表明：该段主要污染指标高锰酸盐指数、五日生化需氧量、氨氮。
Therefore, our country and many other countries of the world established strict limitation of ammonia-nitrogen in drinking water criterion.
因此，我国及世界上许多国家在饮用水标准中对氨氮含量都有严格的限制。
Biological pretreatment technology is an economic and efficient method to remove ammonia - nitrogen in micro - polluted raw water.
生物预处理是去除微污染源水中氨氮的一种经济有效的方法。
The pitting corrosion potential of 316 stainless steel increases along with the ammonia nitrogen density decrease.
在模拟中水中，随着氨氮浓度的增加，316不锈钢的孔蚀电位减小。
The technology of magnesium ammonium phosphate(MAP) is one of effective removal of high strength ammonia nitrogen and phosphate in wastewater.
磷酸铵镁（MAP）技术是一种有效去除废水中高浓度氨氮和高浓度磷酸盐的技术。
Decompose unnecessary organic matters, such as ammonia, nitrogen, phosphorus, to achieve the purpose of purifying water quality.
有效分解水体中的多余有机物、氨、氮、磷等物质，达到净化水质的目的。
The direct affected factor of nitrification was ammonia nitrogen loading.
氨氮负荷是影响反应器硝化性能的直接因素。
Backwash cycle has more effect on ammonia nitrogen removal rate.
反冲洗周期对氨氮的去除率有较大影响。
Objective: to screen nitrobacter that could be used to treat ammonia nitrogen pollution, dejecta and sewage in military tunnel.
目的：筛选、分离能够用于治理氨氮污染和军事坑道生活污物、污水的硝化菌。
Moreover, the increase of hydraulic loading will lead to the decline of the removal rate of organics and ammonia nitrogen.
此外，在低温条件下提高水力负荷会导致对有机物和氨氮去除率的下降。
The results showed that the compound microorganism preparation improved water quality and decreased significantly the ammonia nitrogen in water.
试验表明，复合微生物制剂对改善水质，降低水体中的氨氮具有明显作用。
The absorption capability, the regeneration capability and the influencing factors of the clinoptilolite to ammonia nitrogen are studied through static state test , dynamic test and regenerative test.
通过静态试验、动态试验和再生试验研究了天然斜发沸石吸附氨氮的热力学性质、再生性能和影响因素。
For the medium sand system of the low ammonia nitrogen, by shortening HLC, the removal effect of the system is significantly improved.
对中砂的中低氨氮进水系统，通过缩短水力负荷周期，会使去除效果得到明显改善。
The experiment results show that the powdered zeolite can improve the flocculation behaviors, remarkably enhancing the effect of removing organic matter and ammonia nitrogen.
实验结果表明，投加沸石粉强化混凝能够改善絮凝性能，显著提高有机物、氨氮的去除效果。
Objective: An improved method of ammonia nitrogen in drinking water was developed for the ammonia in workplace air.
目的：建立与生活饮用水氨氮测定相匹配的方法来检测工作场所中空气氨。
It is found that HRT, influent ammonia nitrogen and external carbon source have significant effect on biological nitrification and denitrification.
通过试验发现HRT、进水氨氮和外碳源对生物硝化和反硝化有重要影响。
In water, nitrogen exists in form of organic nitrogen, ammonia nitrogen, nitrite and nitrate.
在水中，氮是以有机氮、氨态氮、亚硝酸氮和硝酸氮的形式存在的。
The result of dynamic experiment for ammonia nitrogen removal from micro polluted raw water is studied in this paper.
介绍了一种微污染源水中去除氨氮的小型动态试验的结果。
The removal rates of ammonia nitrogen, denitrification ability and anammox ability were investigated in three bioreactors.
探讨了序批式生物反应器填埋场的氨氮去除率、反硝化能力以及厌氧氨氧化能力。
In this paper the removal efficiency of MBR to organic matters and ammonia nitrogen is investigated by operation mode of intermittence aeration.
主要通过间歇曝气的运行方式来考察m BR对有机物和氨氮的去除效果。
Introduced the LFNH-DW2001 ammonia nitrogen on-line monitor meter the principle of work, the work flow and the routine maintenance and the common breakdown remove the method.
介绍LFNH - DW 2001型氨氮在线监测仪的工作原理、工作流程及日常维护和常见故障的排除方法。
The regeneration capability, the influencing factors and the ion exchange technics of the natural clinoptilolite to ammonia nitrogen were researched.
对天然斜发沸石的再生性能及其影响因素以及天然斜发沸石离子交换氨氮作用的工艺进行了研究。
The results show that in-depth treatment process have good removal effect for the COD, BOD, total phosphorus, ammonia nitrogen, suspended particulate, turbidity, OIL and total iron of waste water.
结果表明：深度处理工艺对源污水中COD、BOD、总磷、氨氮、悬浮物、浊度、OIL、总铁等均有很好的去除效果。
The bacterial community amount in activated sludge was larger than that in granular sludge, and their change trends were consistent basically with the change of removal rate of ammonia nitrogen.
絮状污泥中细菌种群数量高于颗粒污泥，且两者的变化趋势与氨氮去除率的变化基本一致。
The pollution of ammonia nitrogen is serious year by year in inner-river and becomes the main pollution factor though its concentration varies with different seasons.
内河涌的氨氮污染逐年严重，并呈现季节性的变化，已成为最主要的污染因子。
A nitration-ANAMMOX combined reactor was used to treat the municipal anaerobic nitrated sludge filtrate featuring high content of ammonia nitrogen and low content of organic matters.
利用硝化-ANAMMOX组合反应器处理具有高氨氮、低有机质特点的城市厌氧消化污泥滤液。
The change of ammonia nitrogen concn . in the waterbody had no significant difference from that of the control group.
对于水体中氨氮的浓度，罗非鱼的影响则不明显。
The soluble COD removal efficiency is above 90% and ammonia nitrogen removal is 24%.
颗粒污泥反应器对溶解性COD的去除率可达90%，对氨氮的去除率为24%。
The soluble COD removal efficiency is above 90% and ammonia nitrogen removal is 24%.
颗粒污泥反应器对溶解性COD的去除率可达90%，对氨氮的去除率为24%。
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