亚硝酸

它研究了过氧化氢对亚硝酸的作用。

It has studied the action of hydrogen peroxide on nitrous acid .

采用正交实验法讨论了反应温度、时间、亚硝酸浓度、溶液pH值等条件对解聚反应的影响。

In the study of optimization of the experimental conditions , factors as temperature , time , concentration of nitrous acid and pH have been investigated .

硝酸态氮及亚硝酸态氮在不同pH条件下对蔬菜生长的影响

Effects of nitrate and nitrite on vegetable growth in different pH

钝化监测及亚硝酸钠钝化的pH值

Monitor of passivation and pH of passivation with sodium nitrite

H发泡剂和亚硝酸钠发泡剂的应用

Application of H Foaming Agent and NaNO_2 Foaming Agent

OLAND工艺是基于亚硝酸型硝化&厌氧氨氧化脱氮技术而开发的生物脱氮新工艺。

OLAND process is the novel biological denitri fi cation process developed based on the nitrous nitrification-anaerobic ammonia oxidation technology .

钯络合物催化剂上CO和亚硝酸酯的偶联反应和机理

Mechanism and reaction of coupling of CO with rono over palladium complex catalyst

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 .

亚硝酸钠所致大鼠血清甲状腺激素的变化及维生素E和硒对其影响

Changes of serum thyroid hormone induced by sodium nitrite and effect of vitamin E and selenium

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

通过与Vc的对照、分析，得出山楂提取液具有较强的清除亚硝酸钠和阻断亚硝胺合成的能力。

Compared with V_C , hawthorn extract has strong capability of scavenging sodium nitrite and disconnecting nitrosamine synthesis .

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

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 .

DO影响亚硝酸型SND工艺的机理探讨

Research on Mechanism of Effect of DO on Nitrite - type SND

以间歇式活性污泥法（SBR）法处理啤酒废水，系统考察了温度变化对亚硝酸型硝化/反硝化的影响。

Brewery wastewater was treated in a Sequencing Batch Reactor ( SBR ) to investigate the effect of temperature on the type of nitrification .

在固定pH值和亚硝酸用量的条件下，探明LMWH分子量与反应温度和时间呈反变。

With pH value and content of nitrous acid fixed , the molecular weight of LMWH showed an inverse change between reaction temperature and time .

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 .

PH值与废水中的游离氨（FA）和游离亚硝酸（FNA）的浓度相关，是影响脱氮的重要因素。PH值越高，越有利于碳氧化阶段氨氮吹脱效果；

The pH level correlated with the free ammonia ( FA ) and free nitrous acid ( FNA ) was the primary factor for the denitrification process .

方法连续灌胃小鼠不同剂量的泥鳅多糖14d，末次给药后1h，进行密闭缺氧实验、亚硝酸钠中毒缺氧实验和急性脑缺血性缺氧实验。

METHODS The mice were administered with various doses of MAP for 14 days and then were exposed to hypoxia .

与常规水稻相比，转Bt基因水稻秸秆还田后对土壤硝酸还原酶和亚硝酸还原酶活性并无影响。

Compared with non-transgenic Bt rice , transgenic Bt rice straws in paddy soil had no significant effect on the activities of nitrate reductase and nitrite reductase .

基于ISFET的亚硝酸根传感器的研究

Study on Nitrite Sensors Based on ISFET

综合两次优化的最优条件，亚硝酸还原酶的酶浓度为达到2139.2U／mL，比优化前高出58.06%，比一次优化后高出17.59%。

On the base of twice optimization , nitrite reductase enzyme concentration reached 2139.2 U / mL , which was 58.06 % higher than before , 17.59 % higher than the first optimization .

分别提取2株细菌的总DNA，利用氨氧化细菌与亚硝酸氧化细菌的16Srdna特异性引物进行多聚酶链反应（PCR）扩增；

Total DNA of pure cultures was extracted and specific primers for the 16S rDNA of ammonia oxidizer and nitrite oxidizer were used for polymerase chain reaction ( PCR ) .

负载型纳米Bi2WO6/AC的制备及在可见光下降解邻硝基苯酚以亚硝酸作用于酚，很易制得亚硝基酚。

Preparation of supported Bi_2WO_6 / AC photocatalyst and its photocatalytic degradation of o-nitrophenol under visible light Nitrosophenols are formed very easily by the action of nitrous acid on phenols .

亚硝酸钠与AFB1相互作用对遗传物质影响的实验研究

Research on the effect of the inter-action between sodium selenite and aflatoxin B1 on cytogenetic material

S1能够利用多数常用的有机氮源物质和无机态氮，以蛋白胨、亚硝酸钠为氮源时生长较好。

Auxanographic analysis of its carbon and nitrogen source showed that S_1 could use organic carbon source as well as organic and inorganic nitrogen source .

用化学荧光发光法及改良亚硝酸法分别测定大鼠血浆、红细胞内超氧阴离子浓度及血清总超氧化物岐化酶（SOD）活性。

Chemiluminescence method and modified nitrous acid method were applied to determine the concentration of superoxide anion radical in plasma and erythrocyte of rats and the activity of superoxide dismutase ( SOD ) respectively .

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 .