substituent的例句大全

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 substituent in the a position of each carbonyl group will prevent this group from interacting with the receptor.

这可能是因为3-吡唑烷酮类化合物结构中，羰基是生物活性中心，羰基的4位引入取代基会阻碍与受体的结合，使活性降低。

p orbital in substituent group assists n_2o_4-o_3 nitration aromatics in substituting ortho

N2O4-O3硝化取代芳烃时取代基上的P轨道的邻位协助作用

Property dependence of ABA triblock copolymers on the terminal substituent of azobenzene was investigated.

研究了偶氮苯端基取代基时ABA三嵌段共聚物性能的影响.

The substituent is deuterium.

取代基是重氢.

Another important application of sulfonated aluminum phthalocyanines containing halogen substituent is its photo sterilization.

甲脒亚磺酸（用于丝毛还原染料印花）磺酸基卤素铝酞菁的另一个重要应用为光学杀菌性。

The fluorescence intensity of porphyrin also relates to the substituent positions on the phenyl groups.

此外,荧光强度还与卟啉的苯环上取代基的取代位置有关.

Also , the substituent species and the position on phenyl ring effects the reaction.

苯环上取代基的种类及位置对反应也有影响.

It has also been found that, the polymerization rate of cyclic phosphoester monomer is highly depended on the structure of pendant side group and the ring substituent group when using stannous octoate as the catalyst.

研究还发现，以异辛酸亚锡为催化剂的磷酸酯单体的聚合速率与磷酸酯单体的侧基、环取代基密切相关，而且可以方便利用聚磷酸酯侧基对高分子进行功能化修饰。

Study on the Molecule Stability of Aristolochia Acid with Different Substituent

不同取代基马兜铃酸分子稳定性研究

The tacticity of polymers is mainly influenced by the polarity of substituent group of vinyl monomer.

作者认为影响聚合物等规度的因素主要是取代基的极性效应。

Homolytic Bond Dissociation Energies of Allylic Compounds and Related Substituent Effects

烯丙位化学键均裂离解能及其取代基效应

Their UV spectra and fluorescence spectra have been studied. The results shows that they have high fluorescence quantum efficiency and their photoluminescence are different with different substituent groups or with different length of conjugated chain.

研究了此类分子化合物的紫外光谱和荧光光谱，具有较高的荧光量子效应，随着取代基和共轭链长度的不同，其光致发光也表现出一定的差别；

Regression analysis and test of significance showed that it can well interpret the relationship between substituent and~ ( 13) C NMR based on the number of valence electrons and mulliken charge, and interpret the contribution of conjugated effect.

回归分析及显著性检验表明，根据原子的价电子数和电荷，能够很好地解释化学位移与取代基之间的变化规律，且能够较好地考虑共轭效应的影响。

By contrast, the exo adduct possesses a trans relationship between the dienophile electron-withdrawing group and the trans diene substituent.

相反，不能进行成环加成反应的反应物有吸电子基团的二烯和二烯烃取代物具有反式结构。

The spectroscopic properties of HBQ and its derivatives were investigated. We have mainly focused our discussion on the substituent effect and solvent effect.

对10-羟基苯并喹啉及其衍生物的光谱性能进行了分析研究，重点考察取代基效应和溶剂效应。