硝酸根

土壤pH对硝酸根还原过程中N2O产生的影响

Effect of soil pH on n_2o production in nitrate reduction

对COD、铵和硝酸根等污染物的去除率有明显提高；

The attenuation efficiencies of COD , ammonia ion and nitrate increased obviously ;

亚硝酸根离子在P（DMAEMA/HEMA）水凝胶中的吸附和扩散性能

Adsorption and diffusion of nitrite ions by p ( dmaema / hema ) hydrogels

溴酸钾氧化萘酚绿B催化光度法测定亚硝酸根研究

Catalytic Absorption Spectrum Determination of NO_2 ~ - Based on the Oxidation of Naphthol Green B by Potassium Bromate

过亚硝酸根对DNA的损伤主要有两种形式：DNA碱基修饰与DNA单链断裂。

Two forms of DNA damage caused by peroxynitrite are DNA base modification and DNA single strand breakage .

表明过亚硝酸根在生理pH下分解时有羟自由基产生。

The results indicated that the decomposition of peroxynitrite at physiological pH produces free hydroxyl radical .

测定亚硝酸根的新指示反应研究-氯酸钾-考马斯亮蓝G体系

Study on a Indicating Reaction for the Determination of Nitrite With Potassium Chlorate-Coomassie Brilliant Blue G System

亚硝酸根的一个高选择性指示反应的研究&溴酸钾-依来铬青R体系

The Study of A High Selectivity Indicator Reaction of Nitrite & The System of Potassium Bromate-Eriochrome Cyanine R

试验了有机覆盖剂的用量、吸附时间、pH值以及硝酸根离子的初始浓度对吸附反应的影响。

The effect of time , pH and initial concentration of nitrate ions on adsorption reaction were investigated .

小型PVC膜硝酸根电化学传感器的研究

Investigation of Mini-PVC Membrane Chemical Sen-sor for Nitrate

脂溶性酞菁钴（Ⅲ）为载体的高选择性亚硝酸根PVC膜电极

A Highly Selective Nitrite Sensitive PVC Membrane Electrode Using Lipophilic Phthalocyanine Cobalt (ⅲ) Complex as the Carrier

最终计算R，RW分别为0.054和0.063.钇（Ⅲ）离子与8个氧原子配位，其中硝酸根为双齿配位。

The final calculated R , R , are 0.054 and 0.063 respectively . The yttrium (ⅲ) ion is coordinated to eight oxygen atoms .

它基于在稀磷酸溶液中，依来铬青R与溴酸钾的反应受亚硝酸根催化而使吸光度降低。

It is based on the decrease in absorbance of the reaction eriochrome cyanine R with potassium bromate in dilute H3PO4 which is catalyzed by nitrite .

一阶紫外导数光谱PLS法直接同时测定硝酸根和亚硝酸根

Simultaneous Determination of Nitrates and Nitrites by the Derivative Spectrophotometric Partial Least Square Method

扑热息痛在硝酸根溶液中的光解研究对~（147）Pm的仪器探测效率进行了刻度。

Relative counting efficiency in the measurement of ~ ( 147 ) Pm for several measured solution is determined .

本文将流动注射分析技术引入N－（1－萘基）乙二胺光度法测定亚硝酸根的分析体系，建立了水样中微量亚硝酸根在线检测方法。

A flow injection spectrophotometric method has been developed for on line monitor nitrite in environmental water . The method based on N ( 1 naphthyl ) ethylenediamine spectrophotometry .

介绍了一种新的测定亚硝酸根的荧光探针分子&3-（4-氨基苯基）中氮茚-1-羧酸甲酯（API）。

A novel fluorescence probe , 3 - ( 4-aminophenyl ) indolizine-1-carboxymethyle ( API ) has been developed for the determination of trace nitrite .

本文不但揭示了p阻滞剂阿替洛尔在模拟天然水体中光降解规律，而且发现了腐殖质与其它天然水体成分如硝酸根、铁离子和单壁碳纳米管具有相互的影响。

The paper found the photodegradation law of atenolol in simulated natural water and also discover the interaction between humic substances and other natural water components such as nitrate , iron ions and SWNT .

本文基于磷酸介质中亚硝酸根催化溴酸钾氧化萘酚绿B的褪色反应，建立了测定亚硝酸根的新方法。

A catalytic absorption spectrum method is proposed for determining nitrous . The method is based on the catalytic effect of nitrite ion on the oxidation reaction of naphthol green B in a dilute medium .

通过盆栽实验的方法，研究了三种秸秆有机肥对次生盐渍化土壤的EC值、硝酸根离子含量和油菜生物量的影响。

EC value , NO_3 ~ - concentration and rape biomass were investigated in salinity soil applied with three straw manures by pot culture .

即与还原剂Vc协同后，钴盐或钴卟啉可以起到过亚硝酸根清除剂的作用，保护酪氨酸等生物分子不被过亚硝酸根硝化。

Therefore , when coupled with Vc , cobalt salts and cobalt porphyrins served as peroxynitrite scavengers to protect tyrosine and other biomolecules from the nitration induced by peroxynitrite .

与Vc协同后，钴盐或钴卟啉抑制硝化产物的生成，且钴盐或钴卟啉催化过亚硝酸根分解的能力增强。

Cobalt salts or cobalt porphyrins inhibited the nitration of tyrosine in the presence of Vc , and the catalytic activities of cobalt compounds for peroxynitrite decomposition were enhanced sharply .

硝酸根离子通过抑制铝的阴极反应而起到缓蚀作用，其在铝表面的吸附符合Freundlich吸附等温式。

The adsorption of nitrate ion on the aluminium surface in hydrochloric acid solution follows a Freundlich isotherm .

分别采用循环伏安法和计时电流法研究了亚硝酸根离子在PPy纳米线修饰电极上的电催化还原行为。

The electrochemical behavior of polypyrrole nanowire modified electrode was studied using the technique of cyclic voltammetry and chronoamperometry .

基于ISFET的亚硝酸根传感器的研究

Study on Nitrite Sensors Based on ISFET

cm，本方法应用于环境水样（青山湖水样）中亚硝酸根的测定，加标回收率96.90±2.07%。

The method was applied to the determining of the nitrite in Qing Shang Lake , and When the water sample was added the standard sample , the recycle rate was 96.90 ± 2.07 % .

本文推荐了一个饮用水中Cr（Ⅵ）的测定方法，该法基于在硝酸根离子存在时，Cr（Ⅵ）&DTPA的催化活性。

A method was recommended for the determination of Cr (ⅵ) in drinking water . The method is based on the catalytical activity of chromium (ⅵ) - DTPA complex in the presence of nitrate ions .

对于循环水中亚硝酸根的浓度偏高人们早有共识，认为是硝化细菌群将NH3氧化而致。

It is well known that the relatively high concentration of NO2-radical in circulating water is due to the oxidated NH3 by nitrobacteria group .

发现低浓度下硝酸根配体配合物以插入方式与DNA结合，而大分子配体配合物与DNA作用并非单一的插入方式。

At the low concentration level the association reaction between complexes and DNA was of intercalation mode for small ligands such as nitrate ; while for macromolecular lig-ands such as BSA or DS the intercalation mode was not the unique reaction mode .

研究了分散液液微萃取（DLLME）-数码比色（DC）法测定水样中的亚硝酸根。

Determination of trace nitrite in water samples with dispersive liquid-liquid microextraction ( DLLME ) - digital colorimetry ( DC ) was investigated .