nitrous acid

This product can take place of toxicant nitrous acid salt and be directly added to the food to colour food, and enhance food nutritional composition.

该产品可替代具有毒性作用的亚硝酸盐而直接加入食品着色，是一种无毒副作用的理想的调味食品着色剂，同时也增强了食品的营养成分。

An ab Initio Study of Vibrational Spectra of Nitrous Acid Isomers

亚硝酸异构体振动光谱的从头计算研究

The resultof nitrite mensuration showed increased AOB can lower the remaining nitrous acid in the product thus an obvious relation inquantity and efficacy is noticed.

亚硝酸盐含量的检测显示，添加aob能有效降低产品的亚硝酸含量，效果十分显著。

A low molecular weight heparin ( LMWH) was prepared from low anticoagulant activity heparin ( LAAH), a side product accompanying commercial heparin, by depolymerization with nitrous acid.

以生产肝素的副产品&低抗凝活性肝素为原料，采用亚硝酸控制解聚法制得低分子肝素（LMWH）；

The reaction of triphenyltin with nitrous acid in aqueous phase in the presence and absence of O2 was studied by a laser flash photolysis technique.

利用激光闪光光解技术进行了有氧和无氧条件下氯化三苯基锡与亚硝酸水溶液的紫外光解反应研究。

F mutated by nitrous acid, the bio-activity of the bacterium T. Different effect of Ceftazidime on the early and mature Pseudomonas aeruginosa biofilm bacteria

f菌和原始T.头孢他啶对早期和成熟期绿脓假单胞菌生物膜菌作用的差别

The reason lies in the Cl. It would reduce the number of nitrous acid bacterium and then hold back the nitrification in bagasse obviously.

其原因在于氯化铵能显著减少栽培基质中亚硝酸细菌的数量，抑制硝化作用的进行。

Purpose: Studies the removal effect on ammonia nitrogen, nitrous acid nitrogen, CODMn and turbidity during immobilized nitrobacterias pilot experiment, and provide reference for the actual project.

目的分别研究小试中试条件下固化硝化菌对氨氮的去除效果及相关参数的选择，为实际工程提供参考。

It is concluded that the alternating inhibition effect of free ammonia ( FA) and free nitrous acid ( FNA) on nitrobacteria is responsible for the steady nitrite nitrogen accumulation.

亚硝酸氮稳定积累的主导因素是体系中游离氨（FA）和游离亚硝酸（FNA）对硝酸菌的交替抑制作用。

All the GDH-positive mutants including those obtained by nitrous acid treatment and those of spontaneous origin are capable of inductive synthesis of ADH.

所有GDH~+变种，包括自亚硝酸诱发突变或自发突变来源的，都能诱导生成ADH。

Reaction Mechanism of Diphenyl Ether with Nitrous Acid by Transient Absorption Spectrum Technique

激光诱导的亚硝酸与二苯醚的反应机理

Optimization and determination of the technology parameters of nitrous acid degradation method preparation low molecular weight heparin.

亚硝酸降解法制备低分子肝素工艺参数的优化。

Tryptophan is oxidized by nitrous acid at elevated temperature produce a phenolic intermediate which further reacts with nitrous acid to form a fluorescent species.

本文首次提出了利用亚硝酸氧化色氨酸的荧光反应测定色氨酸的方法。

Ambient conditions that include toxic gases such as hydrogen sulfide, sulfurous acid, nitrous acid, chlorine, bromine, methyl bromide, ammonium, etc.

周围环境中有氢化硫、亚、亚硝酸、氯气、溴气、溴化甲烷、氨气等有毒气体。

The study of anticorrosive effect of the nitrous acid natrium vapor phase inhibitor to the steel plate

亚硝酸钠系气相防锈剂对钢试样防锈效果的研究

Nitrosophenols are formed very easily by the action of nitrous acid on phenols. aci-nitro compound

以亚硝酸作用于酚，很易制得亚硝基酚。（亚）酸式硝基化合物

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

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。

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

它研究了过氧化氢对亚硝酸的作用.

Conversion of alanine dehydrogenase to glutamic dehydrogenase by nitrous acid induced mutation in Bacillus subtilis ⅱ. the inductive formation of alanine dehydrogenase in glutamic dehydrogenase-positive mutants

亚硝酸诱变导致枯草杆菌中L-丙氨酸脱氢酶对L-谷氨酸脱氢酶的转换Ⅱ.L-谷氨酸脱氢酶阳性变种中L-丙氨酸脱氢酶的诱导形成

The effects of factors such as reaction temperature and the composition of initial aqueous phase solution etc, on the yields of uranium(ⅳ) and nitrous acid is investigated.

研究了反应温度、原始水相溶液组成等因素对铀（Ⅳ）产额和亚硝酸生成量的影响。

I have sent Nitrous acid sample to you by TNT, but I made no warning lable on the sample bag since it is dangerous cargo.

我已经从TNT给你寄了亚磷酸样品，由于是亚磷酸危险品，所以我没有在样品袋上贴标签。

Measurement of nitrous acid and retrieval of aerosol parameters with differential optical absorption spectroscopy

利用差分吸收光谱法测量亚硝酸和反演气溶胶参数

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

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；

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

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。

The yield and regioselectivity were investigated at various ratios of nitrate to salicylate with copper nitrate comparing with nitrous acid.

对比研究了在不同硝酸根和水杨酸甲酯配比条件下用硝酸铜和硝酸作硝化试剂时的硝化收率和区域选择性。

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.

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。

In vegetables nitrate content is also higher, but the nitrous acid salt content is low, and basically does not pose a threat to human body health.

蔬菜中硝酸盐含量也较高，但亚硝酸盐含量低，基本对人体健康不构成威胁；

Reaction Kinetics of Monomethylhydrazine With Nitrous Acid in Perchloric Acid Solution

高氯酸介质中单甲基肼与亚硝酸的反应动力学

Study on the Nitrosation of Peptide and Proteins with Nitrous Acid Using Matrix-Assisted Laser Desorption/ Ionization-Time of Flight-Mass Spectrometry

基质辅助激光解析电离质谱用于多肽和蛋白质亚硝基化修饰研究基质辅助激光解析电离飞行时间质谱分析细菌方法的规范化研究

By treating this precipitate with nitrous acid followed by a recrystallization process, copper ( II) nitrate was recovered in82.32% yield.

该沉淀经硝酸溶解和浓缩结晶可以得到硝酸铜，其回收率为82.32%（以铜含量为基准）。