By cooperation with thiophene ring, which results in the better conformations, the absorption and emission spectra exhibit bathochrome. 7.

7．研究了不同给/吸电子取代基对芴基聚电子和光学性质影响。

A helical conformation of a polypeptide chain, usually right-handed, with maximal intrachain hydrogen bonding; one of the most common secondary structures in proteins.

折叠是由若干肽段或肽排列起来所形成相当伸展片层构象。

Like light meromyosin, tropomyosin contains two peptide chains in a coiled coil conformation.

象轻酶解肌球蛋白一样，原肌球蛋白含有两个肽，其构型为盘旋螺旋。

Through studies on the fluorescence quenching of P3’–P6’ by Rubredoxin, the extent of quenching was found to be stronger in the polymer with more typical features of helix conformation.

10. 研究了P3’–P6’ 对铁硫蛋白Rubredoxin荧光猝灭效应，发现螺旋形构象特征越典型聚被猝灭效率越高。

For the reason why optical activity of mesomer is counteracted classical answer was not convincing. By use of the helix theory and stable staggered conformation answer can be obtained.

指出了内消旋体消旋原解释不理性。利用螺旋理论和稳定交叉式构象，理地解释了内消旋体消旋原。

It was found that the compounds are adsorbed on the Ag surface through the carboxyl oxygen atoms, the benzene adopts acclivitous conformation, others lie low on the Ag surface.

在银溶胶表面上，羧基氧原子与银形成化学建，苯环是稍微倾斜地吸附在银胶面上，其它部分则平躺吸附于银溶胶表面。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采用核磁共振谱法测定了国产紫胶桐酸优势构象,结果表明,其分子中连二羟基处于反交叉位。