硝酸盐氮的最终还原产物为氨氮。
The final reduction product of nitrate nitrogen is ammonia nitrogen.
硝酸盐氮是水体中的主要污染物之一。
固定床自养反硝化去除地下水中的硝酸盐氮。
Nitrate nitrogen removal from ground water by autotroph IC denitrification in a packed bed reactor.
固定床自养反硝化去除地下水中的硝酸盐氮。
Nitrate nitrogen removal from ground water by autotrophic denitrification in a packed bed reactor.
市区的硝酸盐氮污染的强度远远大于人类活动较弱的地区。
The urban district nitrate nitrogen pollution intensity is bigger than the humanity to move a weaker area by far.
另外柱a对硝酸盐氮和亚硝酸盐氮的去除效果也优于柱b。
Besides the removal ratios of nitrate and nitrite in column a were higher than column B.
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.
结果表明，硝酸盐氮的去除率随修复时间延长和修复电压增大而升高；
The results show that the removal efficiency can be improved with the increase of operating time and applied current.
研究了装填固体填料硫和石灰石的生物膜反应器对水中硝酸盐氮的去除。
A biomembrane packed bed reactor with sulfur and limestone as solid filling material for removal of nitrate nitrogen was studied.
纳米铁还原硝酸盐氮的表观活化能较低，还原反应在常温下即很容易进行；
Due to low ap-parent activation energy for reduction of nitrate nitrogen by NZVI, the reduction reaction can be per-formed at normal temperature.
提出了紫外分光光度法同时测定生活饮用水中的硝酸盐氮和亚硝酸盐氮的含量。
This paper presented the simultaneously determine the nitrate nitrogen and the nitrous nitrogen in drinking water by UV.
水体中尤其是海水中硝酸盐氮的测定较繁琐，干扰物质多，分析时间长，重现性差，准确性不高。
The measurement of nitrate nitrogen and nitrite nitrogen in seawater has such disadvantages as many disturbing components, long time, poor repeatability and accuracy.
分析地下水中硝酸盐氮的来源。讨论了人类开采地下水和施放，环境物质对地下水中氮聚集的影响。
The paper discussed the humanity to mine the groundwater and to discharge the environment matter the influence which the nitrogen gathered to the groundwater.
近年来，由于地下水硝酸盐污染日益严重，开展地下水中硝酸盐氮修复技术的研究越来越受到关注和重视。
In recent years, studies on nitrate removal from groundwater has been paid more and more concern and attention due to the increasing nitrate pollution of groundwater.
依据常规生物脱氮原理，脱氮过程包括将氨氮氧化为硝酸盐氮或亚硝酸盐氮的硝化反应和将硝酸盐氮或亚硝酸盐氮还原为氮气的反硝化反应。
Based on traditional biological nitrogen removal theory, nitrogen removal involves nitrification of ammonia to nitrate or nitrite followed by denitrification of nitrate or nitrite to nitrogen gas.
硝酸盐和水溶性有机氮随着去离子水的迁移而迁移，并增加了土壤的肥力。
Nitrate and water-soluble organic nitrogen were migrated with deionised water migrating and increased subsoil fertility.
无论如何，同时地检测呼吸中的氧化一氮、一氧化碳、,过氧化氢物、亚硝酸盐、硝酸盐,、戊烷和乙烷，将能对哮喘做确定性的诊断。
However, simultaneously monitoring nitric oxide, carbon monoxide,hydro-peroxides, nitrites, nitrates, pentane and ethane in the breath, wouldallow a much more definitive diagnosis of asthma.
最后厌氧菌将硝酸盐转化成无害的气体氮。
Then anaerobic bacteria take that nitrate and turn it into harmless nitrogen gas.
最常见的例子是有机化合物，亚硝酸盐类的同分异构体，其中一个碳原子以共价键与硝基中的氮原子结合。
The most common examples are organic compounds, isomers of nitrite esters in which a carbon atom is linked by a covalent bond to the nitro group's nitrogen atom.
为使人们能够吃上健康的无公害食品，采用三因素五水平最优回归设计，探讨了氮钾硫配方施肥对黄泥土萝卜产量和硝酸盐含量的影响。
An optimized regression design with three factors and five levels was adopted to study the effects of n, K and s fertilizers on the yield and nitrate content of radish.
本实验创立了二种水产养殖池塘底泥总氮含量简易测定法，分别称为总氨法和硝酸盐法。
Two alternative methods measuring total nitrogen of aquaculture pond soils, named total Ammonia method and Nitrate method, were established.
结果表明：两品种叶柄硝酸盐浓度与施氮量和产量均有显著的正相关关系。
The results showed: that the petiole nitrate concentration in two cotton genotypes was significantly positive correlated with rates of N applied and yields.
硝态氮使蔬菜硝酸盐含量迅速上升，铵态氮尤其氯化铵硝酸盐增加较少。
The nitrate nitrogen makes the vegetable nitrate quickly rising, the ammonium nitrogen especially the ammonia chloride nitrate decrease the nitrate content.
采用三因素五水平最优回归设计，研究了黄泥土配施氮钾硫肥对大白菜产量和硝酸盐含量的影响。
An optimum regression design with three factors and five levels was adopted to find the effects of n, K and s fertilizers on the yield of Chinese cabbage and the nitrate content in its plant.
油炒则使总酸性物质、硝酸盐含量增加，氨基态氮、维生素c、可溶性糖、亚硝酸盐含量降低。
Frying increased the contents of acid and nitrate, decreased the contents of amino-N, soluble sugar, Vitamin c, nitrite.
生物脱氮是硝酸盐治理的主要方法，本文综述了硝酸盐治理的一些新工艺。
Biological denitrification was the major method, and some new processes of nitrate treatment were reviewed.
生物脱氮是硝酸盐治理的主要方法，本文综述了硝酸盐治理的一些新工艺。
Biological denitrification was the major method, and some new processes of nitrate treatment were reviewed.
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