aromatic compounds

Humic acids are usually regarded as polymers of aromatic compounds.

腐殖酸通常被看作是芳烃化合物的聚合物.

Sodium Dithionite-induced Reaction of Per ( poly) fluoroalkyl Chlorides with Aromatic Compounds Catalytic Conversion of Alcohol to Corresponding Alkyl Chlorides

全氟或多氟烷基氯代烷在保险粉引发下与芳香烃的反应由醇催化转化为长链氯代烷

Studies of the temperature programmed desorption and reaction of aromatic compounds adsorbed on H-MORDENITE

氢型丝光沸石吸附芳烃的程序升温脱附及反应的研究

Tetrakis ( diethylamino ) phosphonium bromide ( TPB ) was a novel phase transfer catalyst used to prepare fluorinated aromatic compounds.

四 ( 二乙胺基 ) 溴化鏻 ( TPB ) 是制备含氟芳香族化合物的一种新型相转移催化剂.

To subject ( a substance) to distillation. a tar formed from distillation of bituminous coal; coal tar can be further distilled to give various aromatic compounds.

蒸馏使（某物质）蒸馏蒸馏生煤得到的焦油，继续蒸馏能得到各种芳香族化合物。

A tar formed from distillation of bituminous coal; coal tar can be further distilled to give various aromatic compounds. The distillates obtained from the purification procedure may be analyzed by any one of the three methods.

蒸馏生煤得到的焦油，继续蒸馏能得到各种芳香族化合物。经纯化得到的蒸馏液，可以采用三种方法中的任何一种来分析。

Else distilled books are like common distilled waters, flashy things. a tar formed from distillation of bituminous coal; coal tar can be further distilled to give various aromatic compounds.

否则，经过摘录的书犹如经过蒸馏的水，变得淡而无味了。蒸馏生煤得到的焦油，继续蒸馏能得到各种芳香族化合物。

Direct alkoxylation of aromatic compounds is virtually unknown.

事实上还不知道芳香族化合物的直接烷氧基化的方法.

Phase equilibrium of ionic liquids and high boiling point aromatic compounds

离子液体与芳香类高沸点有机物相平衡

The toxicity of the substituted aromatic compounds was mainly induced by two processes: first, the penetration of these compounds through the cell membrane; then the occurrence of these compound reaction with organism species.

取代芳香族化合物对生物体的毒性主要是由2个过程引起，化合物首先穿透细胞膜，然后与机体发生反应。

Influences of nitrogen concentration and aromatic compounds on production of ligninolytic enzymes by Panus conchatus.

氮源浓度和芳香化合物对白腐菌Panusconchatus产木素降解酶的影响.

The study of the activity of aromatic and heteroaromatic compounds towards electrophilic substitution reactions

芳杂环亲电取代活性的研究

Synthesis of Polysubstituted Aromatic Compounds 4. The Diels Alder Reaction of Substituted 3 Sulfolenes with Dimethyl Acetylenedicarboxylate

多取代芳香族化合物的合成4.取代的环丁-3-烯砜与丁炔二酸二甲酯的Diels-Alder反应

Study on Friedel-Crafts Acylation of Aromatic Compounds Catalyzed by Zeolite Molecule Sieves

沸石分子筛催化芳环化合物的Friedel-Crafts酰基化反应的研究

12 kinds of benzimidazole polymers-poly aromatic benzimidazole were prepared by nucleophilic substitution reaction with fluoride aromatic compounds, and the properties of the two systems were analyzed and compared.

与二氟芳香化合物通过亲核取代反应，制得12种具有新型结构的苯并咪唑聚合物&聚芳基苯并咪唑，并对两个体系的晶型结构、溶解性和热性能进行了分析和比较。

In the normal phase liquid chromatography, seven aromatic compounds were separated well on this column.

应用该色谱固定相, 可以实现芳香族化合物的分离.

The electronic structures of the aromatic compounds with the elements of group ⅴ A or ⅵ A and the relation between P π-conjugation and their molecular geometries were described. The calculation of P π-conjugation energy was also represented in this paper.

本文对含第Ⅴ或Ⅵ主族元素的芳香化合物的电子结构，Pπ共轭与分子几何结构的关系以及Pπ共轭能的计算作一综述。

The common methods used for synthesizing fluorinated aromatic compounds, including direct fluorination and diazotisation as well as halogen exchange reactions were briefly introduced. Among them halogen exchange, especially the fluorination was considered to be the effective path for the synthesis of selectively fluorinated aromatic compounds.

介绍了合成含氟芳香族化合物常用的氟取代反应、重氮化反应、卤交换反应，认为卤素交换尤其是脱硝氟代是选择性合成含氟芳香族化合物的有效途径。

Changes of Some Aromatic Compounds and Relative Factors during Fruit Development of Cucumber

黄瓜果实发育过程中特征芳香物质及相关因素的变化

Dearomatization reaction could afford these alicyclic rings in one step with cheap and readily available aromatic compounds, and the obtained alicyclic rings usually bearing carbon-carbon double bonds provide potential chances for their further functionalization.

通过使用廉价易得的芳香族化合物进行脱芳构化反应，能够一步构建脂肪碳环，且所构建的碳环通常含有双键，为碳环的进一步官能团化提供了条件。

Studies on the Reaction of Aromatic Nitro Compounds with Sodium Phenylthiolate& Radical IPSO Substitution Mechanism

芳香族硝基化合物与苯硫酚钠盐的亲核取代反应&自由基IPSO取代机理

The physical and chemical synergism exists in the co-carbonization of plastics and coal and reduces the chance of secondary reaction, which increases tar yield and favours the formation of methyl-substituted aromatic compounds in tars.

塑料与煤共焦化过程中同时存在物理和化学协同作用，减少了二次反应的机会，增加了焦油收率，同时促进了焦油中芳香化合物的甲基化。

The components, molecular weights and coenzymes of the enzyme system degrading aromatic compounds are presented.

介绍了苯、甲苯、萘和联苯这几种芳香族化合物分解酶的组分 、 相对分子质量及其辅基.

In the sacrificial anode method, with ionic liquids as electrolyte, Cu as the anode and Al as cathode, we investigate reduction potential and carboxylation reaction yield of different aromatic compounds, and analyze its reasons from the angle of the electronic structure.

在牺牲阳极法中以离子液体作为电解液，以Cu作为阴极、A1作为阳极，考察了不同芳香化合物的还原电势大小、羧化反应难易，并从电子结构的角度分析其原因。

Aromatic compounds are easy to take place nucleophilic addition and nucleophilic substitution.

带有吸电子基团的芳环容易与亲核试剂发生亲核加成或亲核取代反应.

AROMATIC COMPOUNDS: Structure and Reactions.

28芳香化合物: 结构和反应.

Extraction of Leping coal consists mainly of aromatic compounds and alkyls derivatives.

乐平煤萃取物主要是苯类、烷烃类衍生物。

In anaerobic environments, chlorinated aromatic compounds were usually degraded by reductive dechlorination.

氯代芳香族化合物可在厌氧条件下通过还原脱氯作用得以降解.

The photochemical reaction and mechanism of chlorofluorocarbons and aromatic compounds in solid ice was introduced chiefly.

重点介绍了氟氯烃和芳香族化合物在固态冰相中的光化学反应和反应机理.

The course also provides an introduction to the chemistry of aromatic compounds.

本课程同时提供芳香化合物化学的介绍.