nitration
nitration
1. Keywords SO42-/TiO2 solid superacid;toluene;p - nitrotoluene;nitration;
2固体超强酸;对硝基甲苯;甲苯;硝化;
2. Significant renal hemodynamic abnormalities, presented as increased glomerular nitration rate (GFR) and filtration fraction (FF) were observed in 41 cases of NIDDM without proteinuria.
41例无蛋白尿组中已见明显异常,表现为肾小球滤过率(GFR)及滤过分值(FF)增高。
3. ESR spectrum show that reduced of heteropoly acid was occurred in vapor-phase nitration reaction of benzene.
66kg-NB/kg-cat·h。 ESR谱表明：杂多酸催化剂的钨在苯气相硝化反应中发生了还原反应。
4. Keywords Triazole;Condensation reaction;Nitration;Ammoniation.;
三唑;缩合反应;硝基化;氨化;
5. To investigate the inhibition of different compounds on the nitration of insulin by peroxynitrite, a method applied to compare the relative inhibitory activity was established.
为了探讨不同物质对过氧亚硝酸根离子硝化胰岛素的抑制作用，建立了一种比较不同化合物抗胰岛素硝化相对活性大小的方法。
6. Keywords nitrogen dioxide;nitration;nitrocyclohexane;
二氧化氮;硝化;硝基环己烷;
7. Keywords nitrogen dioxide ozone anthraquinone I-nitroanthraquinone nitration;
二氧化氮;臭氧;蒽醌;1-硝基蒽醌;硝化;
8. Keywords 2,3-dimethylpyridine;oxidation;nitration;acetchlorine;natrium;
二甲基吡啶;氧化;硝化;乙酰氯;钠;
9. Keywords 3;5-dinitroluene;nitration;p-toluidine;diazotization;
二硝基甲苯;硝化;对甲苯胺;重氮化;
10. Keywords dinitrogen pentoxide;heterocyclic compounds;nitration;
五氧化二氮;杂环化合物;硝化;
11. Keywords dinitrogen pentoxide;chlorobenzene;nitration;
五氧化二氮;氯苯;硝化;
12. Keywords dinitrogen pentoxide;toluene;nitration;green chemistry;
五氧化二氮;甲苯;硝化;绿色化学;
13. Investigation on Nitration of Monosubstituted Benzene with Nitro gen Pentoxide
五氧化二氮对一元取代苯的硝化研究
14. Investigation on Selective Nitration of Chlorobenzene with Dinitrogen Pentoxide
五氧化二氮对氯苯的选择性硝化研究
15. Keywords Electrophilic substitution;Reaction mechanism;Nitration reaction;
亲电取代;反应机理;硝化反应;
16. Nitration ability of dinitrogen pentoxide was introduced.
介绍了五氧化二氮的硝化能力,综述了五氧化二氮在硝化反应中的研究进展。
17. The production theory and the production process of MnN by solid nitration process with Mn Managense power has been introduced.
介绍了利用金属锰粉采用固态氮化法生产氮化锰的原理和工艺。
18. The advanced nitration technology and hydrogenation technology are discussed. The aniline production quantity is explained.
介绍了苯胺生产中先进的硝化技术、还原技术;阐述了国内外苯胺的生产情况。
19. The advanced adiabatic nitration technology, liquid phase hydrogenation technology and wastes treatment technology are introduced.
介绍了苯胺生产中先进的绝热硝化技术、液相加氢技术、三废治理技术。
20. Methyl 3 nitropyridine was synthesized in 60% overall yield from 2 amino 4 methylpyridine via nitration, replacement of diazonium group by hydroxyl group, chlorination and dechlorination.
以2-氨基-4-甲基吡啶为原料,通过硝化、重氮化羟基置换、氯化及脱氯等4步反应制得标题物,总收率60%。
21. By oxidation,nitration,condensation,reduction,a organic pigment intermidiate N (3' amino 4' chloro)benzoyl 2 methyl 3 chloroaniline was prepared,through using 4 chloromethylbenzene as first material.
以4-氯甲苯为原料,经过氧化,硝化,缩合,还原反应,制成有机颜料中间体N(3’氨基4’氯代)苯甲酰基2甲基3氯代苯胺.对影响反应的诸因素进行了讨论,产品总收率为57.4
22. By the starting material 4 -chloronitrobenzene, 2, 4 - dichlorobenzene was synthesized via fluorination, nitration and chlorina-tion.The total yield was 59. 0%.
以对氯硝基苯为起站原料，经氟化反应、硝化反应及氯化反应制得2，4-二氯氟苯，总收率达59．0%。
23. The chemselective nitration of substituted phenol was carried out using NaHSO4/NaNO3 as a nitration reagent in water. The products were purified easily in high yields.
以硫酸氢钠和硝酸钠为硝化剂,在水溶液中完成了取代苯酚的硝化反应。硝化产物具有良好的选择性和较高的产率。
24. From highly Pare m-trifluoromethyl aniline, the Flutamide is prepared by acylation with isobutyl chloride and nitration with assistant S.
以高纯度间三氟甲基苯胺为原料，经异丁酰氯酰化，再在助剂S存在下进行硝化制得氟他胺。
25. It is researched that nitration of NH3-N2 becomes very difficulty in special condition of water quality.
但在特定的水质条件下氨氮难以硝化的问题较为突出，对此进行了探讨。
26. Traditional one-protein-at-a-time methods had uncovered only half a dozen brain proteins susceptible to nitration.
但是，该研究是蛋白质组学应用的最好例子。
27. For the whole mensuration is a complicated bio-chemical process, it may be affected by many factors, such as inoculation, dilution, dissolving oxygen, air bubble and nitration.
但由于整个测定过程是一个复杂的生化过程，会受到许多因素的影响，诸如接种、稀释、溶解氧、气泡、硝化等。
28. For example, some kinds of soil bacteria take nitration nitrogen from the air and make a form that plants can use.
例如，一些土壤病菌会从空气中摄取氮并将其转化为植物可以利用的形式。
29. The alkalescent condition reduces the mass concentration of iron ions and fastens the nitration reaction of ammonia nitrogen, and leads to the concentration of nitrate.
偏碱性条件使铁离子质量浓度降低，同时促进了氨氮硝化反应进行，使矿井水中硝酸盐和亚硝酸盐质量浓度增加。
30. Keywords perfluorous nonene;toluene;nitration;green chemistry;
全氟壬烯;甲苯;硝化反应;绿色化学;
31. The preliminary result showed that the period of nireogen nitration fluorescence diagnosis was mult-pod to begin grain filling,the time was about 16 Pm,the position was top mature leaves.
初步结果表明,春大豆的氮素荧光诊断的时期为盛荚期至鼓粒始期;诊断时间为16点左右;诊断部位为上部成熟叶片。
32. With HPLC the two-phase nitration of phenol is stud-ied.
利用HPLC研究了苯酚的两相硝化反应。
33. Nitration of toluene with fluorous biphase system was studied by using the perfluorous nonene as solvent.
利用全氟壬烯-甲苯两相体系研究甲苯的硝化反应。
34. By nitration of the compound (1) with nitric acid in acetic anhydride, 2,4,7,9-tetranitro-2,4,7,9-tetrazabicyclononanone (2) was given, the yield of compound (2) increased to 65.9% with the optimization of technical condition.
化合物 ( 1 )在硝酸 -乙酐体系中硝化 ,制得 2 ,4 ,7,9-四硝基 - 2 ,4 ,7,9-四氮杂双环 [4,3,0 ]壬酮 ( 2 ) ,通过优化反应工艺条件 ,反应得率增加到 6 5.9%。
35. Nitration of Halobenzens with Fluorous Biphasic System
卤代苯的氟两相硝化反应研究
36. Moreover, all isoflavones used in this study were found to be potent peroxynitrite scavengers, preventing the nitration of tyrosine.
另外亦发现此四种异黄酮皆可降低酪胺酸被硝化作用的程度，而表现出清除过氧化亚硝酸根能力。
37. The results showed that nitration of benzene could proceed completely in this novel microreactor with high selectivity at a short residence time.
因此，苯硝化反应得以在很短的时间内高选择性地进行完全。
38. Study on Regioselective Nitration of Aromatic Compounds on Solid Acid Catalysts
固体酸催化剂上芳香族化合物区域选择性硝化反应研究
39. Nitropyridine-N-oxide was synthesized with pyridine as original reactant through N-oxidation and nitration reactions, by using water as medium, tungstic acid and sulfuric acid as catalysts.
在N-氧化反应中,因用水作为反应介质,钨酸和硫酸为催化剂,不仅降低了反应成本,减少了环境污染,而且N-氧化吡啶的产率较高为96。
40. In the reaction of acetylation and nitration 1,2?dichloroethane was used as solvent.
在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂。
41. By using the catalyst,nitration of TAIW in the system of dilute nitric acid can give hexanitrohexaazaisowurtzitane HNIW with yield of over 95% and purity over 99%.
在催化剂存在条件下,四乙酰基六氮杂异伍兹烷可在硝酸溶液中进行水解硝化,以95%以上得率制得纯度高于99%的六硝基六氮杂异伍兹烷。
42. By using the catalyst, nitration of TAIW in the system of dilute nitric acid can give hexanitrohexaazaisowurtzitane (HNIW) with yield of over 95% and purity over 99%.
在催化剂存在条件下，四乙酰基六氮杂异伍兹烷可在硝酸溶液中进行水解硝化，以95%以上得率制得纯度高于99%的六硝基六氮杂异伍兹烷。
43. The nitration of 8-hydroxyquinoline was carried out with cerium ammonium nitrate in acetonitrile and polyethylene glycol under microwave irradiation.
在微波辐射下,8-羟基喹啉与硝酸铈铵在乙腈和聚乙二醇溶液中反应生成5,7-二硝基-8-羟基喹啉。
44. Catalytic nitration of toluene occurs by use of nitric acid in the presence of bentonite metal nitrates with useful para selectivities,up to a para to ortho ratio 1.0.
在皂土硝酸盐催化下，甲苯能被浓硝酸对位选择性硝化，对邻硝化产物比率达1．0以上。
45. Nitrovanillic acid was synthesized from vanillic acid, which was obtained by oxidation of vanillin with molten KOH in presence of air, followed by nitration in an overall yield of 82.5%.
在空气的存在下,香兰素经熔融氢氧化钾加热氧化制得香兰酸,再经硝化得到5-硝基香兰酸,总收率82.5%。本法操作简易,原辅料价廉易得。
46. Nitrovanillic acid was synthesized from vanillic acid, which was obtained by oxidation of vanillin with molten KOH in presence of air, followed by nitration in an overall yield of 82.
在空气的存在下,香兰素经熔融氢氧化钾加热氧化制得香兰酸,再经硝化得到5-硝基香兰酸,总收率82。
47. Protein carbonylation and nitration increased significantly in ischemia-alone and I/R bladders;CoQ10 treatment significantly attenuated protein carbonylation and nitration.
在膀胱排空尿液时，膀胱壁增加的压力会压迫膀胱的血管造成短暂的缺氧；
48. Increases of the amount of the catalyst and the time for the reaction were of benefit to the increases of catalytic activity for the nitration and selectivity for the p-MNT.
增加催化剂使用量和延长反应时间有利于提高催化剂的活性和对p-MNT的选择性。
49. IPSO Nitration and Bromination of the Multi-substituted Benzene
多取代苯的自位硝化和溴化反应
50. Our company is determined to become the expert on fine chemicals in the field of nitration under the care and instruction of friends at home and abroad.
多年来，公司深得国内外同仁的关照、指导，并将成为中国硝化反应领域的精细化工尖兵。
51. Nitrous oxide pollution of the atmosphere occurs usually from the nitration of cellulose and other organic materials.
大气中的一氧化二氮污染通常由纤维和其他有机物质的硝化作用产生。
52. Keywords O-tert-butyphenol;acetic anhydride;nitration;DNBP;
对叔丁基苯酚;乙酸酐;硝化;DNBP;
53. Different methods of nitration of calixarene reported were summaried,and reaction of different method to different calixarene was compared in the paper.
对各种杯芳烃的硝化方法进行了归纳总结,详细比较了各种方法在不同杯芳烃化合物硝化反应中的特点。
54. The nitration of this may lead to dinitrotoluene.
对此的硝化会生成二硝基甲苯。
55. Whether the nitration reaction can happen or not and whether gathering phosphorus germ can remove phosphorus effectively on high load were discussed.
对高负荷条件下硝化反应和聚磷菌有效除磷进行了探讨;
56. In the manufacturing process of industry, the exhaust gas contain some harmful substance such as soot , sulfide , nitration , oil , and so on .
工业生产排出的废气中含有大量的烟尘、硫化物、硝化物、油类等有害物质。
57. Study of nitration characteristics in sequencing biofilm batch reactor
序批式生物膜法硝化特性研究
58. Keywords applied chemistry;dinitrogen pentoxide;chlorobenzene;nitration;clean;
应用化学;五氧化二氮;氯苯;硝化;清洁;
59. A sulfonation agent and nitration agent.
废水处理。磺化剂、硝化剂。
60. Researches on nitration using dinitrogen pentoxide were reviewed.42 references were cited.
引用文献42篇。
61. Keywords microfiber;microreactor;benzene;nitration;
微纤;微反应器;苯;硝化;
62. Biological Microelement Iron and Protein Tyrosine Nitration
微量元素铁与蛋白质酪氨酸硝化
63. The results indicate that excellent nitration of NH,-N need the sufficient removal of COD to prevent the restrain of toxicant on the nitrobacteria.
指出NH_3-N完全硝化的前提是废水中COD的充分降解，以消除有毒物质对硝化菌的抑制作用。
64. displacement nitration process
排代硝化法
65. 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。
66. The N nitration of 2,4-dinitroaniline was investigated.
摘要研究了2,4-二硝基苯胺在不同条件下的硝化情况。
67. The hydrolysis and nitration reaction of tetraacetylhexaazaisowurzitane (TAIW) were studied under several nitration conditions.
摘要研究了四乙酰基六氮杂异伍兹烷在稀硝酸/催化剂介质中的水解硝化。
68. Protein tyrosine nitration is a biomarker of NO-dependent oxidative stress.
摘要蛋白质酪氨酸硝化是一氧化氮依赖的氧化应激的生物标志。
69. Protein tyrosine nitration is an important selective post-translational modification, and the product, 3-nitrotyrosine, has been utilized as a biomarker of tissue and cell injury.
摘要蛋白质酪氨酸硝化是一种重要的蛋白质翻译后的选择性修饰，其产物3-硝基酪氨酸可以作为检测细胞和组织损伤的一个生物标志。
70. The concept of single electron transfer is used asan example to elucidate the reaction mechanism of aromatic nitration.
文中还以实例用此理论解释了芳烃硝化反应机理。
71. The probable reactions of the adamantane,for example halogenation, alcoholization, nitration and alkylation,are summarized.
文章从分子设计的角度综述了金刚烷可能发生的化学反应,如卤化、羟基化、硝化、烷基化等;
72. Abstract: Protein tyrosine nitration is an important posttranslational modification involving a variety of diseases.
文章摘要: 蛋白质酪氨酸硝基化是一种重要的蛋白质翻译后修饰，与多种病症相关。
73. The New Nitrobenzene Adiabatic Nitration Technology Research and Its Realization
新硝基苯绝热硝化工艺研究及其实现
74. 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。
75. Methods Starting from anisole,liarozole was synthesized by Friedel-Crafts(acylation,)nitration,nucleophilic substitution,reduction and cyclization.
方法以苯甲醚为起始原料,经傅克酰基化、硝化、取代、还原、环合等7步反应得到目标化合物利阿唑。
76. Shi Min,Cui Shi-Cong.Electrophilic aromatic nitration using perfluorinated rare earth metal salts in fluorous phase [J].Chem Commun,2002,9:994-995.
易文斌,蔡春.全氟辛基磺酸稀土金属盐催化氟两相酯化反应[J].有机化学,2005,25(10)1434-1436.
77. Reasearch and development direction of clean nitration reactions are also presented.
最后探讨了这些新型硝化工艺的发展前景。
78. Some people proposed polymerizing the glycerine prior to nitration.
有人建议在硝化之前，把甘油聚合。
79. In this paper,the roles of iron in different pathways of protein nitration are introduced,and the results indicated that microelement iron in vivo plays an important role in protein nitration.
本文介绍了铁在不同酪氨酸硝化途径中的作用,结果提示体内的微量铁对蛋白质硝化起着重要作用。
80. In this paper, the roles of iron in different pathways of protein nitration are introduced, and the results indicated that microelement iron in vivo plays an important role in protein nitration.
本文介绍了铁在不同酪氨酸硝化途径中的作用，结果提示体内的微量铁对蛋白质硝化起着重要作用。
