benzene ring

UV spectra indicated that benzene ring structure of organic chlorine was distributed completely after photocatalytic degradation.

通过紫外光谱图对4-氯-愈创木酚的降解进行跟踪，结果表明，氯化有机物中的苯环特征峰完全消失，降解较彻底。

The amide of the peptide bond in the Dipeptide inhibitors which included aromatic series amino acid showed trans configuration with the hydroxide of the benzene ring. There were seven bonds between them.

含芳香族氨基酸的二肽抑制剂中的肽键的氨基和苯环部分羟基端呈反式构型，它们相隔7个键位。

Electronic Transport through Three-benzene Ring Nano Molecular Tap with Asymmetry Electrodes

纳米三苯环分子带不对称电子传导特性

Oxidizing sidechainalkyl of benzene ring is one of the most important reactions in the organic synthesis.

苯环侧链氧化是有机合成反应中的重要反应类型之一.

The electronic effects of the substituents on the benzene ring and the steric hindrance do not significantly alter the reaction time and yield.

反应时间和反应收率不明显受苯环取代基团电子效应及空间位阻的影响。

Study of Nucleophilic Substitution Reaction of C-F Bond on a Benzene Ring under Activation of Hydrogen Bond PREPARATION OF CHITOSAN IMMOBILIZED WITH β-CD AT C_6 POSITION BY A NUCLEOPHILIC DISPLACEMENT REACTION

氢键活化的苯环上C-F键的亲核取代反应研究亲核取代法制备壳聚糖6-OH固载环糊精衍生物

It is found that the conjugated plane made up of the amine group and benzene ring is of the active position, and HOMO and LUMO of eight compounds are π-molecular orbital with lone pare electron.

研究表明，这些添加剂胺基和苯环形成的共轭平面构成了活性部位，其HOMO和LUMO均为π-分子轨道。

when the azo compound has a large substituent and the substituent can conjugate with benzene ring, the incorporation of the azo compounds have the same effect.

而具有较大取代基，并能和苯环共轭形成刚性的偶氮化合物的掺入会起到同样的效果。

The benzene ring is also seen in other compounds.

苯环在其他化合物中也可以看见.

Benzene ring in benzocrown ether has electron receptor effect can reduce complex ability to metal ions because of weakling the basicity of crown ether.

苯并冠醚的苯环具有很强的吸电子效应，降低了冠醚环上醚氧的碱度，因此减弱了其对金属离子的络合能力。

Quantitative structure-activity relationships of organic chemicals with benzene ring

含苯环有机污染物定量结构与活性相关性研究

Study on destraction of benzene ring structure by phosphorus oxygen reaction

黄磷诱发氧化破坏苯环结构的反应途径

membrane filtration technology emerged difficult to deal with some materials containing benzene ring in the printing and dyeing wastewater.

针对膜过滤技术对印染废水中一些含苯环物质难以处理的问题，提出了利用碳纳米管制备新膜材料的方法。

~ 1H-NMR and UV analysis show that, after reaction, benzene ring in the structure unit of the alkali lignin is steady, carboxyl, carbonyl and methoxyl all have reduced in different extent, while aliphatic and phenol hydroxyl have increased.

~1H-NMR和UV光谱分析显示反应后碱木质素的结构单元中苯环结构稳定，羰基、羧基、甲氧基有所减少，醇羟基和酚羟基的量增加了。

The target compound was cut off from the middle of the two benzene ring of Biphenyl Tetrazole and the key step was accomplished through Suzuki Coupling reaction.

该合成策略是将目标分子从联苯四氮唑的两个苯环中间切断，最后以Suzuki偶联为关键步骤来实现的。

benzene ring alkylation of toluene with methanol over modified zsm-5 type zeolites

改性ZSM-5分子筛催化甲苯、甲醇苯环烷基化反应的研究进展

As an electrophilic agent, the methyl group of methoxy species can directly attack benzene ring to produce toluene via electrophilic substitution reaction.

甲氧基物种的甲基作为一种亲电试剂，可以直接进攻苯环发生亲电取代烷基化反应生成甲苯。

On the benzene ring, hydroxyl group has the highest activity of forming DBPs, and the second is ketone group;

苯环上羟基官能团生成消毒副产物的活性最高，酮基官能团次之；

Cancer causing compounds such as benzene ring, amidocyanogen and azo radical fouled lake and sea ceaselessly, which not only form great threat to human health but also enormously influence all other forms of life.

每年，大量含有苯环、胺基、偶氮基团等致癌物质的有毒废水不断地排入江河湖海，不仅给我们人类的健康带来了极大的威胁，也给其他生物的生存带来了极大的影响。

The results showed that the toxicity of chlorophenols to Bluegill and Guppy were increased as the sum of π charge(Σ Q π R) at the carbon atom on benzene ring increased.

提示随氯代苯酚类化合物苯环上碳原子的π电荷之和（∑qπr）增大，化合物对bluegill和guppy的毒性增大。

The results showed that with the increasing of substitute degree, the steric effects of benzene ring appear gradually.

研究结果表明随着苯氧基取代程度的增加，苯环的空间位阻效应逐渐显现。

The experimental results show that the azo group and benzene ring have marked influence on biodegradability;

实验结果表明：实验染料结构中的偶氮基和苯环对染料的可生化性有显著的影响；

HALOGENATION REACTION ON BENZENE RING Application and Synthesis of Sulfide Phenyl Trifluoromethyl

关于苯环上的卤代反应三氟甲基苯硫醚的制备和应用

The ring of thiophenol is tilted to the normal of the electrode surface, leading to certain extent of interaction between the benzene ring and the electrode surface.

苯硫酚采用倾斜的方式吸附，使得苯环与基底间表现一定程度的相互作用；吸附的对巯基苯胺则因质子化氨基间的静电相互作用而完全垂直于电极表面；