硝酸盐氮的最终还原产物为氨氮。
The final reduction product of nitrate nitrogen is ammonia nitrogen.
陶粒生物滤池对氨氮有较高的去除率。
反冲洗周期对氨氮的去除率有较大影响。
Backwash cycle has more effect on ammonia nitrogen removal rate.
氨氮和磷酸盐是水质富营养化的重要来源。
Ammonium and phosphate are important causes of the eutrophication of water.
而蒸氨废水的氨氮脱除率只有75%左右。
But the removal rate of wastewater from distillation of ammonia is only 75%.
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.
酿酒废水是一种典型的高氨氮浓度的有机废水。
Distillery wastewater was typical organic wastewater with high ammonia concentration.
而随着氨氮初始浓度的增加，其吸附去除率是下降的。
But as the increment of the beginning concentration of ammonia-nitrogen, the adsorption rate descends.
生物质煤气废水是一种新出现的高浓度氨氮有机废水。
The biomass gasification wastewater is a new type of organic wastewater with high concentration ammonia-nitrogen.
经济有效地控制氨氮废水污染是当前面临的重大课题。
Economical and effective control of pollution by ammonia-nitrogen waste water is a vital problem currently.
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。
Biological pretreatment technology is an economic and efficient method to remove ammonia - nitrogen in micro - polluted raw water.
对硝氮、氨氮、总氮产污负荷进行MQ回归，提炼回归方程。
Regress the load of nitrate, ammonium and total nitrogen by MQ equation.
焦化废水是一种氨氮和有机物浓度较高的难生化降解有机废水。
Coking wastewater is one kind of organic wastewater, difficult to be degraded with high concentration of ammonia and organisms.
猪场废水中的氨氮浓度高，大多以铵离子和游离氨的状态存在。
Pig farm wastewater in high concentration of ammonia , ammonium ions and are free to the state of ammonia exist.
不同比例因素制备的固定化硝化细菌小球去除氨氮的效率差别很大。
The efficiency of removing ammonium nitrogen from wastewater is different by immobilized nitrifying bacteria making with different ratio.
垃圾渗滤液硝化动力学模型不同于低浓度氨氮废水硝化动力学模型。
The kinetic model of the nitrification of garbage percolate is different from that of sewage with low-concentration of ammonia nitrogen.
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 pitting corrosion potential of 316 stainless steel increases along with the ammonia nitrogen density decrease.
如何有效地去除废水中的氨氮是水污染防治界研究的重点和难点之一。
How to achieve high removal rate of ammonium is the emphasis to researchers.
水体与底泥中大量氨化菌可能通过转氨作用产生的氨氮积累在水体中。
A mass of ammonifiers in water body and sediment can make ammonia accumulate in water body through ammonification.
总硬度和总固体与硝酸盐氮呈显著正相关，与氨氮未表现出相关关系。
Total hardness and total solids appear positive correlation with nitrate, but no correlation with ammonium.
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。
Moreover, the increase of hydraulic loading will lead to the decline of the removal rate of organics and ammonia nitrogen.
推导了单级曝气生物滤池处理生活污水的有机物和氨氮去除动力学模型。
The kinetic models of organics and ammonia removal in a biological aerated filter (BAF) for domestic wastewater treatment were established.
考察了厌氧氨氧化(ANAMMOX)工艺处理低氨氮污水的影响因素。
The influencing factors of treatment of low ammonia sewage by anaerobic ammonia oxidation (ANAMMOX) process were investigated.
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。
The result indicated that the main pollution target of this section is permanganate index, five days' biochemical oxygen demand and ammonia nitrogen.
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。
Therefore, our country and many other countries of the world established strict limitation of ammonia-nitrogen in drinking water criterion.
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 results showed that the compound microorganism preparation improved water quality and decreased significantly the ammonia nitrogen in water.
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。
It is found that HRT, influent ammonia nitrogen and external carbon source have significant effect on biological nitrification and denitrification.
试验结果表明：合理的间歇时间能提高反应器对有机物和氨氮的去除效果。
The results show that reasonable intermittence time can improve the removal efficiency.
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。
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。
Objective: An improved method of ammonia nitrogen in drinking water was developed for the ammonia in workplace air.
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