苯环

This can be explained in terms of phenyl ring aggregate formation through π-π interaction.

这些多环聚集体之间虽然有稳定性的差异，但它们都是一些能量上较为稳定的多个苯环的缔合体。

The results indicate that the change of oxidation and doping condition affects the ratio of benzenoid to quinoid ring and the orientation order of the polyaniline chain, which are important factors to decide the conductivity of polyaniline.

这些结果表明：氧化与掺杂条件的变化影响到聚苯胺中苯环与醌环的相对比例、聚苯胺链的排列有序度，而这些也是影响聚苯胺电导率的重要因素。

With the increase of the TiO〓 content, the H-bonding interaction was strengthened and the characteristic peaks of benzoid, quinoid were shifted. FTIR, Uv-vis, XPS show that the interaction between polyaniline and nanocrstalline is strong.

随着TiO〓粒子含量增加，氢键作用加强，聚苯胺的苯环、醌环等特征吸收峰发生一定程度的偏移。

On the one hand, one benzen ring of stilbene was substituted by one pyridine ring for the purpose of evaluating the bioactivities of azastilbenes. On the other hand, some stilbene derivatives with different substituents in different sites were designed for the study of SAR.

一，以吡啶环替代母核的一个苯环，考察分子中引入氮原子对活性的影响；二，改变母核上的取代基类型及取代位点，考察取代基在构效关系中的影响规律。

Polycyclic aromatic hydrocarbons have already been verified into hydrocarbons with "mutagenesis, carcinogenesis and teratogenesis".

多环芳烃是指两个或者两个以上的苯环连在一起的一类化合物。

As the number of fused benzo rings increases, the total energy decreases andthe maximum absorption band shiftes to longer wavelength.

当酞菁环上稠合的苯环数目依次增加时，体系总能量〓有明显的降低，最大吸收峰变化的趋势都是红移，其中ZINDO／s方法计算得到的红移值达到72nm。

Aromatic rings can be joined at a pair of adjacent carbons to yield compounds such as naphthalene, anthracene and chrysene

芳环能在一对相邻碳上结合，生成萘、葸和？傅然油母质中的芳香烃结构含有被苯环共振键稳定的自由电子。

The proposition of reaction pathway suggested that the initial degradation of pyridaben proceed via C-S bond cleavage between phenyl ring and heterocyclic group, and then promote a serious of reactions such as substitution, oxidation and dealkylation.

反应路线推导表明降解哒螨酮首先是在苯环与杂环之间C-S键处断裂为两个部分，接着发生取代、氧化，去烷基等系列反应。

In addition, NO, calcium and adhesion molecules mediate the processes of angiogenesis. Thus, we chose fluorene, one of PAHs which contain three bezene rings, to study the effect of PAHs on angiogenesis in HUVECs.

而许多文献也指出一氧化氮、钙离子浓度的变化及黏附因分子的表现在血管新生中扮演一种媒介的角色，所以在此我们选取具三苯环的芴来探讨多环芳香烃对於血管新生方面的影响。

Displayed similar photophysical changes in the presence of DNA. But the complex increased the viscosity of DNA weakly. This suggests that due to the constraint from the rigid structure of the macrocyclic ligand, the complex binds to DNA by weak intercalative interaction.

在光谱方面也出现了类似的现象，但DNA的粘度却略有增加，说明环上的苯环可能由于受到整个配合物结构刚性的限制，只能以较弱的插入方式与DNA作用。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。