nitrating

nitrating

1. Reactions of a Series of Alkyl-p-dialkoxybenzenes with Various Nitrating Agents

一系列烷基对二烷氧基苯在不同硝化体系中反应的研究

2. Keywords Triphenylphosphine;Rhodium;Plasma;Nitrating pot;

三苯基磷;铑;等离子;消化罐;

3. Keywords dinitrogen pentoxide;nitration;clean nitrating agent;

五氧化二氮;硝化;绿色硝化剂;

4. Nitration of Heterocyclic Compounds Using Novel Nitrating Agent Dinitrogen Pentoxide

五氧化二氮硝化某些杂环化合物概述

5. The effects of mixed acid nitratinyagent and its constitute,temperature, stirring and the feed-style of materialsetc.on the nitrating reaction has been introduced in this paper.

介绍了该工艺中混酸硝化剂及其组成和温度、搅拌、加料方式等对硝化反应的影响。

6. Never allow it to go above that temperature while in a nitrating mixture.

从未允许它去在那个温度之上当在一个硝化处理的混合物。

7. The catalysts and technologies for clean production of nitrobenzene were reviewed,including new nitrating agents,catalysts and nitrofication technologies.

从硝化剂、催化剂和工艺等方面阐述了用于清洁生产硝基苯的方法。

8. Other applications have been demonstrated, including concentrated sulphuric acid and nitrating acid mixtures.

其他应用也已经被证明,其中包括浓硫酸和硝酸混合物。

9. Keywords aniline production;four-still continuous nitrating;environmental risk three-level prevention measures;

吉化苯胺生产技术;四釜连续硝化;环境风险三级防控措施;

10. Commercially available poly L-tyrosine was exposed to nitrating species and the damage was monitored by UV spectroscopy and alkaline gel electrophoresis.

商业用途的多聚左旋酪氨酸暴露于硝酸盐类及其损害可通过紫外线光谱法和碱性凝胶电泳监测。

11. four-still continuous nitrating

四釜连续硝化

12. 72. In some more complex cases, secondary amines can be nitrated directly with nitrating mixtures.

在某些复杂的情况下，仲胺能用混合硝化剂直接硝化。

13. Keywords applied chemistry;new green nitrating agent;dinitrogen pentoxide;electrolysis;nitration;

应用化学;新型硝化剂;五氧化二氮;电解法;硝化;

14. The catalysts and technologies for clean production of nitrobenzene were reviewed, including new nitrating agents, catalysts and nitrofication technologies.

摘要从硝化剂、催化剂和工艺等方面阐述了用于清洁生产硝基苯的方法。

15. It is found that conversion of cyclohexane with NO2 as nitrating agent occurred in a glass reactor at atmospheric pressure.The main product was nitrocyclohexane which was identified by GC-MS.

摘要常压下以二氧化氮为硝化剂在玻璃管式反应器中可使环己烷转化，气-质联用分析确证其产物主要是硝基环己烷。

16. A unique nitration reaction on phenyl rings is reported by mediation solely with Al(NO3)3 as a nitrating agent, proceeding in a way of electrophilic alkyl substitution.

摘要报道了一例特殊的苯环硝化反应：在硝酸铝作为硝化试剂的条件下，硝化反应是发生在取代烷基与硝基之间而不是苯环上质子与硝基之间。

17. new green nitrating agent

新型硝化剂

18. Methods:SOD activity in the kidney was measured by nitrat coloration and MDA content by TBA method.

方法:SOD含量采用亚硝酸盐显色法,MDA测定采用硫代巴比妥酸(TBA)法。

19. The display switches have three electrodes, at least one of which has three metal layers, the third of which is formed by nitrating the second metal layer.

显示开关器件具有三个电极，它们中的至少一个具有三个金属层，第三金属层通过氮化第二金属层而形成。

20. Keywords Biological aerated filter;dissolved oxygen;air and water ratio;nitrating;de-nitrating;

曝气生物滤池;溶解氧;气水比;硝化;反硝化;

21. According to the practice of nitrochloro benzene production in our plant,the effects of composition of mixed acid,temperature and stir on nitrating reaction.

根据我厂硝基氯苯的生产实践,概述了混酸组成、温度、搅拌等因素对硝化反应的影响。

22. Keywords fluorochloroaniline;o-dichlorobenzene;nitrating reaction;mixed acid;nitrating agent;

氟氯苯胺;邻二氯苯;硝化反应;硝化剂;混酸;

23. Research on the Nitrating Agents and Nitration of the Azacycloamines

氮杂环胺类的硝化剂及硝化反应的研究

24. Precipitation hardened alloy with good thermal conductivity and high hardness. Not suitable for case hardening or nitrating.

沉淀硬化合金具有良好的导热性和高硬度。不适合的情况硬化或硝化。

25. Keywords alkylbenzene;nitrating reagent;nitration;selectivity of nitration;nuclearspin resonance;

烷基苯;硝化剂;硝化;硝化选择性;核磁共振;

26. Keywords annular nitrating pot;computational fluid mechanics;numerical simulation;heat exchange;agitation;

环形硝化器;计算流体力学;数值模拟;换热;搅拌;

27. Aminothiazole and its homologues can be nitrated in the same way, using a double excess of nitrating mixture

用二倍过量的混合硝化剂，能将氨基噻唑及其同系物以同样的方法硝化。

28. Toluene nitration was carried out with supported heteropolyacids as catalysts and N2O5 as nitrating agent.

用负载型杂多酸为催化剂,N2O5为硝化剂的新型硝化体系,对甲苯的硝化反应进行研究。

29. nitrating reaction

硝化

30. nitrating agent

硝化剂

31. apparatus for nitrating glycerine

硝化器

32. nitrating centrifuge

硝化离心机

33. nitrating separator

硝化离析器

34. nitrating test

硝化试验

35. nitrating acid

硝化酸

36. nitrating pot

硝化釜

37. Clean Nitrating Agent Dinitrogen Pentoxide and Its Application in Nitration

绿色硝化剂五氧化二氮及其在硝化反应中的应用

38. Nitration of Toluene with a Clean Nitrating Agent - Dinitrogen Pentoxide

绿色硝化剂五氧化二氮对甲苯的硝化研究

39. The activity of different solid acids and influences of reaction temperature, molar ratio of benzene and nitrating agent on benzene nitrofication were discussed.

讨论各种固体酸催化剂对苯硝化的催化活性、反应温度、苯与硝化剂物质的量比等工艺条件对硝基苯基本收率的影响。

40. More expensive nitrating agents may be used.

还可应用较贵的硝化剂。

41. By the use of new nitrating agent,catalysts and solvents,all the reactions eliminate the use of concentrated sulfuric acid and are environmental friendly with high atom economy.

这些反应通过改变硝化剂和使用相应的催化剂和介质,不仅成功地避免了浓硫酸的使用,而且提高了原子经济性,具有良好的环境效益。

42. The new boro-azocompound,di[3,5-di(2,4-dihydroxyphenylazo)phenyl]boric acid(DPAPBA)has been synthesized by nitrating,reducing and diazotizing 2-aminoethyl-diph-enylborinate combined with resorcinol.

通过二苯基硼酸氨基乙醇酯的硝化、还原、重氮化以及与间苯二酚的偶联等反应,制得未见报道的含硼偶氮化合物二[3.5-二(2,4-二羟基苯偶氮)苯基]硼酸(DPAPBA)。