对亚硝氮的去除率在99%以上；
生物反硝化法是解决水体中硝氮污染问题的主要方法之一。
Biologic denitrification is one of the most popular methods to remove nitrite and nitrate from 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.
对反硝化法处理高浓度硝氮废水的动力学进行了研究，获得了最佳动力学条件。
The kinetics of denitrification treatment of high concentration nitrate wastewater was studied, obtaining the optimum kinetic conditions.
这是因为，生物转盘的有机物去除效果很好，出水中硝氮浓度较高而碳源含量很低。
Because the removal efficiency of COD in RBC is well, so in the effluent the NO3-3~-N concentration is high, but COD is low.
一些医生开出氯硝安定(一种苯二氮)来帮助人们睡得更深。
Some doctors prescribe Clonazepam, a benzodiazepine, to help people sleep more deeply.
随着施N时间的推移和施用量的增加，地下水中硝态氮具有明显的积累趋势，潜在污染不容忽视；
Nitrate content in ground water accumulates obviously with the increase of N-fertilizer applied, so the potential pollution should not be ignored.
许多商业性的试验室已应用定期的硝态氮分析作为指导。
Some commercial laboratories use periodic nitrate tests as guides.
土壤硝态氮的淋失不但造成肥料的损失，而且产生严重的环境问题。
Soil nitrate leaching not only causes the loss of fertilizer, but also brings about serious environmental problems.
这些氨的大量存在对幼苗生长产生危害，同时也很容易在转化为铵态氮和硝态氮之前挥发损失。
These large pools of ammonia are detrimental to seedling growth and are very susceptible to gaseous loss by volatilization before chemical conversion back to the ammonium and nitrate forms.
而以硝态氮肥为氮源时，玉米叶片硝态氮含量和全氮含量最高。
In nitrate fertilizer sources, the contents of nitrogen and nitrate in maize were highest.
含有与氮原子相连的硝基的物质称为硝胺。
Nitramines are substances which contain a nitro group bonded to nitrogen .
含有与氮原子相连的硝基的物质称为硝胺。
Nitramines are substances which contain a nitro group bonded to nitrogen.
土表的硝态氮浓度不断增加，烤田增大了复水后硝态氮向地下水淋溶的趋势。
The concentration of nitrate-N increased continuously in soil surface, which resulted in nitrate leaching to groundwater after rewetting.
如何降低蔬菜中的硝态氮含量受到人们日益广泛的关注。
Everybody concerned how to decrease the nitrate nitrogen content in vegetable increasingly.
在优化条件下，系统最终氨氮去除率能达到85%以上，亚硝态氮去除率达到95%以上，系统运行效果良好，且具有重现性。
Under optimum conditions, the removal efficiencies of ammonia and nitrite nitrogen could be above 85% and 95%, the system is running well and has reproducibility.
应用gleams模型估算我国东南亚热带地区农业小流域硝态氮的渗漏淋失。
GLEAMS model was introduced to calculation of nitrate leaching in an agricultural small catchment in Southeast China.
因此，本文着力于开发微电极技术测定植物叶片的方法以及其在水稻根系硝态氮的吸收和利用方面的研究。
Hence, the thesis was set out to studying the using of ion selective microelectrode in rice leaf and extends its application in studying nitrate uptake and utilization in rice root.
硝态氮和水溶性有机氮随灌溉水向下迁移，对底土具有培肥作用。
Nitrate and water soluble organic nitrogen were migrated with deionised water migrating and increased subsoil fertility.
实验研究了双氰胺在玉米苗期对土壤微生物细菌、霉菌和放线菌的影响，及对土壤中铵态氮和硝态氮贮量变化的影响。
This paper reports the effect of DCD in seedling stage to soil microorganism of bacteria, mold and actinomycetes, and the concentration changes of both ammonium nitrogen and nitrate nitrogen in soil.
以“垦农4号”为材料，利用锰浸种和初花期叶面喷施，在小区试验的条件下研究了锰对大豆根系伤流量、伤流液中硝态氮和氨基酸含量调控的效应。
The influence of bleeding sap and Nitrate-nitrogen, Amino acid in root sap of K4 which grown in the zone is researched in seed treatments and initial bloom stage after spraying on leaf with EDTA-Mn.
采用二次回归正交旋转组合设计，研究了水肥耦合效应对保护地土壤硝态氮运移的影响。
Coupling effects of water and fertilizers on translocation of nitrate nitrogen in protected land were studied with the design of quadratic orthogonal rotational combinations.
结果表明，水稻对铵态氮和硝态氮的吸收与养分供应状况有很大关系。
The results showed that the amount of absorbed nitrogen in different forms varied with nitrogen and potassium levels.
供水量和氮肥施用量是影响农田硝态氮淋失的主要因素。
The water and nitrogen applications are the two main factors that affect the nitrate leaching on farmland.
所建立的地下水垂向剖面的二维水量水质模型，对典型剖面中地下水的硝态氮污染进行了模拟和分析。
Two-dimension groundwater quantity and quality model in the vertical profile is made to carry out the simulation and analysis of nitrate-N pollution of the groundwater in the typical profile.
加入外源硝态氮培养后叶片硝酸还原酶活性的增加程度与叶柄硝态氮含量相一致。
The percentage increase of blade NRA after cultivated by extra-source nitrate was positively related to the petiole nitrate-N concentration.
计算结果表明，唐山农业区灌溉施肥引起根区以下硝态氮渗漏损失可造成浅层地下水的污染。
The results indicate that the nitrate-N leakage loss under the root zone caused by fertilizer irrigation could creat the pollution of shallow groundwater in Tangshan agricultural area.
在缺氧阶段，可利用内碳源实现剩余硝态氮的反硝化。
In the anoxic phase, without adding external carbon source, internal carbon source is used for denitrification.
缺（低）硫处理器官酰脲与硝态氮增加。
S deficiency can increase the content of ureides and nitrate nitrogen of organs.
缺（低）硫处理器官酰脲与硝态氮增加。
S deficiency can increase the content of ureides and nitrate nitrogen of organs.
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