芳

In the reaction of substituted arylamine and sulfuric acid, and utilizes the feature of that said inert organic solvent is easy to form azeotrope with water to continuously deliver the water produced in the couse of reaction from the reactor.

本发明在取代芳胺与硫酸的反应中加入了一种惰性的有机溶剂，如：氯苯，二氯苯，三氯苯，硝基苯等，利用其易与水形成共沸物的特点，将反应生成的水不断地导出反应器。

The Soret band in the UV-Vis spectrum of the porphyrin was split because of this effect.

卟啉环流效应对侧链咪唑芳环的影响导致咪唑环上三个氢原子的化学位移向高场移动，且卟啉的紫外－可见光谱的Soret带发生裂分。

The Bantu language of the fang .

芳族的班图语言。

Through comparing with BaP content in coal smoke and traffic tunnels, it indicates that coking work is one of important sources of PAHs pollution.

通过与燃煤烟尘和交通隧道中BaP含量的比较，说明焦化作业是造成多环芳烃污染的重要污染源之一。

Chapter 5: The thermochromism of condensations of aromatic amine with benzaldehyde derivatives were studied.

第五章：研究了苯甲醛缩芳胺类希夫碱衍生物的热致变色性质，探讨了这类化合物的变色机理。

A hydrocarbon derived from,or characterized by the presence of the benzene ring

芳烃 由苯环衍生出的、或因含有苯环而具有其特性的烃化物。

In the precence of the base catalyst KF/Al2O3, the one - pot reaction of 2 -hydroxybenzaldehyde or 2 - hydroxynaphthaldehyde with ethyl α- bromoacetate,α-bromoacetophenone , 1,4 - dichloromethylbenzene , 4,4'- dichloromethylbiphenyl and 1,5 -dichloromethylnaphthalene gave the benzofuran compounds in 38-89% yield.

本文报道用 KF/Al_2O_3作为碱催化剂，由水杨醛或2-羟基-1-萘醛分别和α-溴代乙酸酯、α-溴代苯乙酮、苄基氯、4，4'-二氯甲基联苯和1，5-二氯甲基萘等进行一锅化缩合反应，以38～89％的产率合成了14种芳并呋喃化合物。

Some new lignans of dibenzocycloheptadiene and benzofuran analogues were first synthesized successfully by intramolecular nonphenolic oxidative coupling and rearrangement of the 1,4-biaryl-2,3-dimethyl-2,3epoxide substituted butanes with DDQ in TFA.

以DDQ为非酚氧化偶合试剂与1，4-二芳基-2，3-环氧类化合物进行分子内的非酚氧化偶合反应，首次合成了二苯骈环庚二烯类和苯骈呋喃类的新型木脂素，其结构由不同光谱和X-单晶衍射所确证。

One comprehensive processing process of coke oven gas and coking crude benzol was introduced in the paper, this process includes low and medium temperature

本文介绍了一种焦炉煤气和焦化粗苯综合加工工艺，此工艺包括低、中温加氢单元，变压吸附单元，CrystaSulf一步法硫回收单元和GT-BTX芳烃萃取蒸馏单元。

The relationship between glycosidic precursors and its aroma components was studied. The results showed: The dominant aroma constituents in aroma oil of jasmine tea include benzyl acetate, linalool, methyl antyranilate, cis-3-hexenyl benzoate, benzyl alcohol, indole, farnisene, methyl benzoate, methyl salicylate, geraniol, cis-3-hexenyl-acetate etc.; and the higher the concentration of these components is, the higher the quality of jasmine tea is.

结果表明：茉莉花茶香精油中，含量较高的有乙酸苄酯、芳樟醇、邻氨基苯甲酸甲酯、苯甲酸顺-3-己烯酯、苯甲醇、吲哚、法尼烯、苯甲酸甲酯、顺-3-己烯酯、水杨酸甲酯、橙花叔醇、乙酸顺-3-己烯酯、香叶醇；这些成分的含量随花茶品质的提高而增多；研究表明，花茶的高含量香气成分也是茉莉花中的主要赋香成分。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新