亚硝酸盐氮
- 网络Nitrite Nitrogen;nitrite-n
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江苏油田通过对油田含氮化合物水源水进行氯化作用的实验分析,结果表明:液氯对氨氮、亚硝酸盐氮存在明显的氯化作用,而对硝酸盐氮的氯化作用不明显。
Experimental analysis on chlorination of water source with nitride is made in Jiangsu oilfield . The results show that nitrogen in ammonia and nitrite reacts with liquid chlorine , the reaction of nitrogen in nitrate with liquid chlorine is negligible .
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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。
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 .
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论文研究了HRT、DO浓度、pH值和FA、C/N和氨氮负荷等工艺运行参数对氨氮去除率和亚硝酸盐氮积累率的影响。
The effect of HRT , DO concentration , pH value , C / N ratio and ammonia loding rate on the ammonium removal efficiency and nitrite accumulation rate was investigated respectively .
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氨氮、亚硝酸盐氮的容积负荷分别为11.4g/(m3·d)和11.1g/(m3·d)。
The volume loads of ammonia and nitrite were 11.4 g / ( m ~ 3 · d ) and 11.1 g / ( m ~ 3 · d ) respectively .
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C/N比、温度、pH值对亚硝酸盐氮的积累有影响,其中pH值的影响最为显著,亚硝酸盐氮的积累程度是随着pH值的升高而升高的;
The accumulation mechanism of nitrite in denitrification was affected by C / N , temperature , and pH. pH features most among these contributing factors . The more pH was becoming , the higher the accumulation extent of nitrite was going ;
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在此条件下,系统温度的降低和泥龄的增长对亚硝酸盐氮积累率的影响甚微,NO2~&N积累率大于90%,系统污泥沉降性能良好,SVI≤100ml·g~(-1)。
In this condition , lowering the temperature or prolonging the sludge age of the system affected the rate of accumulation of nitrite nitrogen faintly .
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对不同温度硝化过程中亚硝酸盐氮进行研究,结果表明,在中温(20~30℃)下,通过调整pH值,亚硝酸盐氮不仅可以实现累积,而且温度越高,亚硝酸盐氮累积速率越快。
Still accumulate research on the nitrite nitrogen , the result shows , under the middle temperature ( 20 ~ 30 ℃), through adjusting pH value , the nitrite nitrogen not only can be realized accumulating , but also the higher temperature is , it creates faster .
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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。
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 .
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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。
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 .
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水中痕量亚硝酸盐氮的反相流动注射一光度测定
Reversed phase flow injection-spectrophotometric determination of trace nitrite nitrogen in water
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水中亚硝酸盐氮和空气中氮氧化物的示波极谱法测定
Polarographic determination of nitrite in water and nitrogen oxide in air
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GB/T7493-1987水质亚硝酸盐氮的测定分光光度法
Water quality Determination of nitrogen ( nitrite ) Spectrophotometric method
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亚硝酸盐氮对臭氧氧化有机物的影响研究
Impact of Nitrite Nitrogen on Organic Matter Oxidation by Ozone
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亚硝酸盐氮对方斑东风螺毒性的研究
Study on the toxicity of nitrite nitrogen to Babylonia areolata
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生物砂滤池去除亚硝酸盐氮的效果及影响因素分析
Removal Effect of Nitrite Nitrogen by Biological Sand Filter and Its Influencing Factor
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硝酸盐氮、亚硝酸盐氮总量紫外吸收快速测定
Quick Measurement of Total Nitrate Nitrogen and Nitrite Nitrogen with Ultraviolet Absorption Method
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硝酸盐氮和亚硝酸盐氮都很少。
Nitrate and nitrite nitrogen are very few .
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渤海湾是亚硝酸盐氮浓度较高的海域?硝酸盐氮浓度冬季最高,夏季最低;
The concentration of nitrate nitrogen was highest in winter and lowest in summer .
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硝酸根电极法测定地下水中亚硝酸盐氮的研究
The research of NO_2 ~ & N determination in subsoil water by nitrate cathode
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渤海硝酸盐氮和亚硝酸盐氮季节循环分析
Seasonal Cycle Analysis of the Nitrate Nitrogen and Nitrite Nitrogen in the Bohai Sea
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亚硝酸盐氮对硫化物测定的干扰及消除方法研究
Study on the Interference of Nitrite in the Determination of Sulfides and the Method of Avoidance
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在理论碱度的投加量下,硝酸盐氮的去除率在98%以上,但是出水中有亚硝酸盐氮的积累。
The nitrite accumulation occurs with theoretical alkalinity although nitrate removal efficiency is above 98 % .
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陶粒生物滤池对氨氮的去除效果略高于移动床生物膜反应器,陶粒生物滤池出水中的亚硝酸盐氮浓度也较低。
Bio-ceramic filter also had better ammonia removal rate and nitrite in its effluent was lower .
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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。
Nitrogen content in surface water of inland was higher than estuary , especially nitrite nitrogen .
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环境因子对3种微生态制剂净化总氨氮、亚硝酸盐氮作用的影响
The effects of environmental factors on purification of NH_3-N and NO_2-N by three preparations of probiotics
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硝酸根电极法是野外测定地下水亚硝酸盐氮的较好方法。
The experiment showed that nitrate cathode was a good method for NO2 N determination in field .
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双流路互不干扰流动注射在线同时测定水中硝酸盐氮和亚硝酸盐氮
Flow injection on-line simultaneous determination of nitrate and nitrite in water by dual flow path no-interferential streams
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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。
The three bacteria have strong function of removing ammonia nitrogen , nitrite nitrogen and nitrate nitrogen .
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地下水亦趋于恶化,主要污染因子为亚硝酸盐氮、氨氮等。
Groundwater were Worsening , the main pollutants is nitrite , ammoniac nitrogen , and so on .
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盐酸羟胺的催化动力学测定研究动力学光度法测定地表水中亚硝酸盐氮
Catalytic-kinetic Photometric Method for the Determination of Trace Hydroxylamine Hydrochloride Catalytic-kinetic photometric determination of Nitrite of Surface water