nitrous acid

1. 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。
2. 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。
3. 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
4. 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.
   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。
5. 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
6. 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。
7. "Some preservatives also improve the appearance of the product ( e.g., sodium nitrate and nitrite in meats)." Nitrosophenols are formed very easily by the action of nitrous acid on phenols.
   某些防腐剂还有美化食品外观的作用（在肉类上使用的硝酸盐或亚硝酸盐）。以亚硝酸作用于酚，很易制得亚硝基酚。
8. 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）。
9. 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
10. 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
11. 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。
12. 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。
13. 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。
14. 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。
15. 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。
16. 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）；
17. 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。
18. 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
19. 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。
20. 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；
21. 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
22. 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。
23. 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。
24. 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。
25. The concentration of nitrous acid influences the valence of elements such as neptunium, plutonium and some fission products. Thereby, it would influence the recovery of plutonium, the tend towards of neptunium and the decontamination of fission products.
    亚硝酸浓度的高低，影响镎、钚以及个别裂片元素的价态，从而影响钚的收率和镎的走向以及裂片元素的去污程度。
26. 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。
27. 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；
28. 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。
29. During the enrichment cultivation, pH, DO and temperature were the key factors, FA and nitrous acid could be properly controlled to inhibit the growth of nitrite oxidation bacteria, but not the ammonia oxidation bacteria.
    在富集过程中，控制pH值、DO浓度和温度是关键因素，游离氨和HNO2进行适当控制，以保证抑制亚硝酸盐氧化菌而不抑制好氧氨氧化菌。
30. Nevertheless, the activity of low molecular weight heparin was reduction because of sulfate groups were degradation in the processing course of nitrous acid degradation. 3. Study on low molecular weight heparin sulfated group modification conditions.
    低分子肝素硫酸化基团修饰条件的研究。由于亚硝酸降解过程中使低分子肝素的硫酸基团被降解，导致其活性的降低，因此，对低分子肝素进行硫酸化基团修饰。

noun

1. an unstable inorganic acid known only in solution and as nitrite salts