nitrite nitrogen
英 [ˈnaɪtraɪt ˈnaɪtrədʒən]
美 [ˈnaɪtraɪt ˈnaɪtrədʒən]
n. 亚硝态氮；亚硝酸盐态氮
双语例句
- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis ( cfa and fia) and spectrometric detection
用流量分析法和光谱检出法测定亚硝酸氮和硝酸氮及两者的总含量 - Pollution and Acute Toxicity to the Mosquitofish of Ammonia and Nitrite Nitrogen in Urban Rivers of Shanghai
上海市河道的氮源污染物及其对食蚊鱼急性毒性的初步研究 - Study on the toxicity of nitrite nitrogen to Babylonia areolata
亚硝酸盐氮对方斑东风螺毒性的研究 - Research on Flow Injection Analytical Method Suited for Full Automatic Determining Nitrate Nitrogen and Nitrite Nitrogen in Water; general methods of test for pigments: determination of water-soluble sulphates, chlorides and nitrates
适用于全自动在线监测水体中硝酸盐和亚硝酸盐的流动注射分析方法的研究水溶性硫酸盐、氯化物、硝酸盐测定 - Removal of Nitrite Nitrogen Using Biofilm-Electrode Process
电极生物膜法去除亚硝酸盐氮的实验研究 - Based on the pilot scale experimental system operated under different conditions, the removal of nitrite nitrogen in slightly polluted source water by the biological contact oxidation process has been analyzed. The relation between nitrite nitrogen accumulation amount and ammonia nitrogen removal efficiency has been discussed.
通过中试规模试验系统，分析了不同运行条件下微污染水源水生物接触氧化处理工艺中亚硝酸盐氮的去除状况，探讨了亚硝酸盐氮积累量与氨氮去除率之间的关系。 - After acclimation, the degradation of the organics by the treatment system can be gradually recovered, but the degradation of ammonia nitrogen and nitrite nitrogen can hardly be improved after extension of acclimation time.
经过驯化后，处理系统对有机物的降解可以逐步得到恢复，而对于氨氮和亚硝酸氮的降解则并不随着驯化时间的延长而得到改善。 - In the base, the automatic analytical equipment of determining simultaneously nitrate nitrogen and nitrite nitrogen has been designed out preliminarily.
同时，在此基础上，介绍了硝酸盐和亚硝酸盐自动在线监测仪器的初步设计。 - Research on Rapid and Accurate Determination Method of Ammonia Nitrogen and Nitrite Nitrogen
氨氮和亚硝酸氮快速准确测定方法研究 - Nitrogen content in surface water of inland was higher than estuary, especially nitrite nitrogen.
海河内陆水体的氮素含量远远高于河口海域，且亚硝酸盐氮的含量表现得尤为突出。 - It is concluded that the alternating inhibition effect of free ammonia ( FA) and free nitrous acid ( FNA) on nitrobacteria is responsible for the steady nitrite nitrogen accumulation.
亚硝酸氮稳定积累的主导因素是体系中游离氨（FA）和游离亚硝酸（FNA）对硝酸菌的交替抑制作用。 - Impact of Nitrite Nitrogen on Organic Matter Oxidation by Ozone
亚硝酸盐氮对臭氧氧化有机物的影响研究 - The inorganic nitrogen in the water contains ammonium nitrogen, nitrite nitrogen and nitrate nitrogen.
水中无机氮主要指氨氮、亚硝态氮和硝态氮。 - Seasonal Cycle Analysis of the Nitrate Nitrogen and Nitrite Nitrogen in the Bohai Sea
渤海硝酸盐氮和亚硝酸盐氮季节循环分析 - So firstly, this article introduces existing condition and hazard of nitrate nitrogen and nitrite nitrogen's pollution and other researchers 'study in how to determining nitrate nitrogen and nitrite nitrogen.
因此，首先介绍了硝酸盐和亚硝酸盐的污染现状及其危害，并评述了近年来，其他研究者在测定硝酸盐和亚硝酸盐方面所做过的工作。 - The result shows that PPC pre-oxidation enhances the organic removal effect in coagulation process and raises the microbial activity in the subsequent BAC process, and thus greatly improving the effect of BAC process on the removal of pollutants such as organic matters, ammonia nitrogen and nitrite nitrogen.
结果表明，PPC预氧化强化了混凝去除有机物的效果，并提高了后续BAC工艺中微生物的活性，从而显著改善了BAC对有机物、氨氮和亚硝酸盐氮等污染物的去除效果。 - Secondly, the automatic analytical technological process to determinate simultaneously nitrate nitrogen and nitrite nitrogen in water by adopting Flow Injection Spectrophotometry is discussed. It includes the principle, the parameter election and result of the experiment.
接着，论述了流动注射分光光度法同时测定水中硝酸盐和亚硝酸盐的自动分析流程，包括整个方法的原理，参数的优化选择以及最终的结果和应用等； - The removal efficiency of organic compounds, ammonia nitrogen, nitrite nitrogen, chromatically color material, turbidity and phosphorus, manganese etc in the source water from the Yellow River is studied with Ozone Biological Active Carbon in the water supply treatment process in the paper.
采用臭氧氧化与生物活性炭工艺相结合，以黄河水为水源水，对水源水中有机物、氨氮、亚硝酸盐氮、色度、浊度、磷、锰等去除效果进行了试验研究。 - The results of the investigation are as follows: ( 1) The artificial addition of nitrification agents can increase the number of ammonia oxidizing bacteria and the nitrite oxidizing bacteria, also can accelerate the establishment of nitrification functions and reduce the peak concentration ammonia and nitrite nitrogen.
通过研究得到如下结论：（1）人工投加硝化菌剂可以增加氨氧化细菌和亚硝酸盐氧化细菌的数量，加快养殖系统硝化功能的建立，降低硝化功能建立过程中氨氮和亚硝酸盐氮的峰值浓度。 - Arc filter screen and protein separator played major roles on the SS and COD removal respectively, the biofilter was irreplaceable to the ammonia nitrogen, nitrite nitrogen and COD degradation and it also had a certain effect on the rejection filter of the SS.
弧形过滤筛和蛋白分离器分别对SS和COD的去除起主要作用，生物滤器对氨氮、亚硝酸盐氮和COD的降解具有不可替代的作用，对SS也具有一定的截留过滤效果。 - In this study, polluted water sediment is as the material to isolate composite strain, which will posses the function of removing the ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in the same time.
本研究以污染水体的底泥为材料，筛选对主要氮化物氨氮、亚硝酸盐氮和硝酸盐氮具有良好脱除功能的芽孢类复合菌系，同时对优良菌株的氮转移途经进行研究。 - So the removal of ammonia and nitrite nitrogen is the key point of culture water purification. Biological methods are mostly used in the removal process for its safety and efficient effects.
有效去除养殖水体中氨和亚硝酸盐是水产养殖面临的主要问题。目前，生物法因其安全高效等优势，在养殖水处理中应用广泛。 - The three bacteria have strong function of removing ammonia nitrogen, nitrite nitrogen and nitrate nitrogen.
三株菌分别对氨氮、亚硝酸盐氮和硝酸盐氮具有较强的脱除功能，且具有互生性。 - In the biology nitrification process, the nitrifying bacteria transforms the ammonia nitrogen as the nitrite nitrogen, then transforms as the nitrate nitrogen. During this process, the nitrification is the biological denitrogenation restrictive condition.
处理过程中，氨氮在硝化细菌作用下被转化为硝态氮，后者进一步被反硝化细菌转化为游离氮气。硝化过程是生物脱氮的限制性步骤，其核心是硝化细菌。 - In the daily production management, feeding behavior on fish ponds significantly affected the ammonia nitrogen, COD and SS concentrations but little did the nitrite nitrogen concentrations.
在日常生产管理中，投饵行为对养鱼池中氨氮、COD和SS浓度影响显著，而对亚硝酸盐氮浓度影响较小。 - Heterotrophic ammonium oxidation is a process that ammonium nitrogen or negative trivalent organic nitrogen are oxidized into hydroxylamine, nitrite nitrogen or nitrate nitrogen by heterotrophic bacteria or molds.
异养氨氧化作用是异养型的细菌或霉菌等将铵态氮或其他负三价氮氧化为羟胺、亚硝态氮或硝态氮的过程。 - Nitrate and nitrite nitrogen are very few.
硝酸盐氮和亚硝酸盐氮都很少。