亚硝酸氮,nitrite nitrogen英语短句,例句大全

亚硝酸氮,nitrite nitrogen
1)nitrite nitrogen亚硝酸氮
1.In order to investigate the characteristics of removing phosphorus and nitrogen in wastewater with nitrate and nitrite nitrogen as electron acceptors,two anaerobic/anoxic sequencing batch reactors were adopted to treat compounded wastewater containing phosphorus.目的研究以硝酸氮和亚硝酸氮为电子受体时,污水中氮磷的去除效果。
2.A conventional toxicity experiment was conducted to study the effect of nitrite nitrogen on the toxicity and disease re-sistance of P.研究不同盐度条件下亚硝酸氮(NO2--N)对斑节对虾的急性毒性,为不同盐度条件下亚硝酸氮的调控提供依据。
3.Nitrite nitrogen is the main contaminations in the culture water.在养殖水体中含不同浓度亚硝酸氮的情况下,用副溶血弧菌浸泡感染的方式对凡纳滨对虾(Litopenae usvannamei)进行毒性实验;并检测了凡纳滨对虾在亚硝酸氮和弧菌胁迫下的部分免疫指标的变化,研究亚硝酸氮和副溶血弧菌对凡纳滨对虾免疫力的影响。

英文短句/例句

1.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
2.Simultaneous determination of the total nitrogen,ammonium-nitrogen,nitrite-nitrogen,and nitrate-nitrogen in wastewater by continuous fluxion analysis连续流动分析法同时测定污水中总氮、氨氮、亚硝酸盐氮、硝酸盐氮
3.The Study on Simultaneous Nitrification and Denitrification via Nitrite;亚硝酸盐型同步硝化反硝化生物脱氮研究
4.Study on Denitrification Biotechnology for Nitrous Nitrification and Anaerobic Ammonia Oxidation;亚硝酸型硝化—厌氧氨氧化脱氮技术研究
5.Study of denitrification and growth characteristics of effective denitrifier community reducing nitrite高效亚硝酸型反硝化菌生长特性及脱氮研究
6.Kinetic Model of Denitrification Process with Nitrite Accumulation亚硝酸积累条件下反硝化脱氮过程动力学模型
7.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
8.The Experimental Study of Shortcut Nitrification-denitrification Using Sequencing Batch Reactor;SBR法亚硝酸型生物脱氮试验研究
9.Formation of Nitrogen Oxides and Nitrosation Reaction Induced by the Coordination of Ester Salicylate with Yttrium Nitrate;水杨酸酯与硝酸钇配位诱导下氮氧化合物的形成与亚硝基化反应
10.Water quality--Determination of nitrogen (nitrite)--Spectrophotometric methodGB/T7493-1987水质亚硝酸盐氮的测定分光光度法
11.Determining the Content of Nitrogen of Trace Nitrons Acid Salt in Aqueous System with Catalytic Spectrophotometry催化分光光度法测定水中痕量亚硝酸盐氮
12.Catalytic-kinetic photometric determination of Nitrite of Surface water;动力学光度法测定地表水中亚硝酸盐氮
13.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
14.Interference and avoidance of nitrite in the determination of sulfides亚硝酸盐氮对硫化物测定的干扰及消除
15.Affecting factors of nitrite accumulation in an anaerobic-aerobic-anoxic shortcut nitrification process.污水短程脱氮工艺中亚硝酸盐积累的影响因素
16.Adsorption Property of Chitosan Composite Resin for Nitrite-Nitrogen壳聚糖复合树脂对亚硝酸盐氮的吸附性能
17.Energy-saving Mechanism and Optima l Proposal Nitrous Acid Type Denitrification Biological Nitrog en Removal亚硝酸型反硝化生物脱氮的节能机理及优化方案
18.Nitrogen Removal of Ammonia Wastewater by Immobilized Ammonia-Oxidizing Bacteria with Aerobic Denitrifying Bacteria and Its Biofilm Observation;固定化亚硝酸菌反硝化菌协同除氨氮废水及生物膜观察

相关短句/例句

nitrite[英]['naitrait][美]['na?tra?t]亚硝酸氮
1.The experiment achieved nitrite accumulation, disappearance and recurrence by controlling the DO concentration effectively at two times.应用A/O工艺处理低C/N比的生活污水,SRT维持在15d左右,水温控制在21—25℃,pH值在7·2—7·6之间,污泥浓度为2500—4500mg·l-1,通过控制溶解氧(DO)浓度实现了亚硝酸氮积累、消失和重现。
2.In this paper,the effect of pH,MLSS and nitrite concentration on denitritification with nitrite concentration in the range of 30～110 mg·L-1 is investigated.本文在亚硝酸氮浓度为30~110 mg。
3.Effects of factors such as pH, Pt loading, addition of Fe2+ and protection gas on the activity of photocatalyst in nitrogen removal by coupled ammonia oxidation and nitrite reduction were investigated.结果表明:碱性条件下利于氨氮、亚硝酸氮的耦合脱氮反应,载铂量0。
3)nitrite-N亚硝酸氮
1.The excretion of nitrite-N,urea-N and organic-N were increased in a pHdependent m.5时,氨氮排泄急剧下降,其排泄过程具有不连续性;亚硝酸氮、尿素氮和有机氮的排泄随pH值的升高而增加;硝酸氮的排泄同亚硝酸氮类似,但在pH值10。
2.The influence of adding photosynthetic bacteria,probiotiecs(yeast and Lactobacillus) and bacillus on total ammonia-N(TAN) and nitrite-N in the intensive shrimp ponds in the dawn was investigated and summarized.监测并分析了单独或组合加入光合细菌、益生菌(酵母与乳杆菌)和芽孢杆菌后,对虾养殖池凌晨水体中氨氮和亚硝酸氮的变化。
4)nitrite[英]['naitrait][美]['na?tra?t]亚硝酸盐氮
1.Interference and avoidance of nitrite in the determination of sulfides亚硝酸盐氮对硫化物测定的干扰及消除
2.Study on the Interference of Nitrite in the Determination of Sulfides and the Method of Avoidance亚硝酸盐氮对硫化物测定的干扰及消除方法研究
3.Compared with the traditional methods, the determination speed of nitrite in environmental water sample with a new continuous flowage analyzer can reach 50 pieces per hour, NO_2-N detection limit is 0.利用新型连续流动分析仪对环境水样中的亚硝酸盐氮进行测定,同传统的分析方法相比,该法的分析速率可以达到50个样/h,NO_2-N检出限达到0。
5)nitrite nitrogen亚硝酸盐氮
1.Reversed phase flow injection-spectrophotometric determination of trace nitrite nitrogen in water;水中痕量亚硝酸盐氮的反相流动注射一光度测定
2.The reaction between acridine yellow and nitrite nitrogen in acid medium was studied.利用在酸性介质中,吖啶黄与亚硝酸根反应并在波长436 nm处的吸光度与亚硝酸根浓度呈线性关系,提出并建立了测定亚硝酸盐氮的新方法。
3.The result shows that: biofilm-electrode process has higher efficiency of denitrification than single biofilm at low C/N ratio(m(C)/m(N) = 1);with no organics addition(m(C)/m(N) = 0),intermittent biofilm-electrode reactor has better effect of denitrification and better efficiency for controlling of concentration of nitrite nitrogen than continuous biofilm-electrode reactor.采用电极生物膜法处理含硝酸盐氮的废水,结果表明:在碳氮质量比较低(m(C)/m(N)为1)的条件下,电极生物膜法比单纯生物膜法有更高的反硝化效率;无外加有机物(m(C)/m(N)为0)时,间歇式反应器比连续式反应器有更好的脱氮效果,更能有效地控制亚硝酸盐氮浓度。
6)nitrite-nitrogen亚硝酸盐氮
1.Simultaneous determination of the total nitrogen,ammonium-nitrogen,nitrite-nitrogen,and nitrate-nitrogen in wastewater by continuous fluxion analysis连续流动分析法同时测定污水中总氮、氨氮、亚硝酸盐氮、硝酸盐氮
2.The paper deals with the effect of ammonia-nitrogen (NH 3-N t) and nitrite-nitrogen (NO - 2-N) in the nursery water on the larvae of Macrobrachium rosenbergii , in which the concentrations of NH 3-N t and NO - 2-N were tested.用柰氏试剂法和重氮 -偶氮比色法分别在罗氏沼虾工厂化育苗期间对幼体较为敏感的水中氨氮 (NH3 -Nt)、非离子氨氮 (NH3 -Nm)、亚硝酸盐氮 (NO-2 -N)进行监测 ,以期找出它们的变化规律及对幼体成活率的影响。