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- These changes are accorded with the rule of helix theory. 这种变化关系与螺旋理论的规律是一致的。
- The configuration of natrural camphor deduced by using the helix theory is fully consistent with that by chemical and physical methods. 利用螺旋理论推断的天然樟脑构型,与用化学方法和物理方法得出的结果完全一致。
- The relationship between structure and rotatory direction of 1,2-disubstituted ferrocene and its derivatives is analyzed based on the helix theory proposed by the authors. 根据笔者所提出的螺旋理论,对1,2-二取代二茂铁及其衍生物的结构与旋光方向间的关系进行了分析。
- On the basis of the helix theory proposed by the authors,the relationship between stereostructure and rotatory direction is analyzed for the fused polycyclic compounds. 通过笔者提出的螺旋理论,分析了多环稠合化合物的立体结构和旋光方向间的关系。
- According to the helix theory, the algebraic sum value of all rotations of dihedral angle helix is equal to zero in the structure of 1,3-disubstituted cyclohexane derivatives. 按照螺旋理论,1,3-二取代环已烷衍生物的结构中存在的二面角螺旋旋光度代数和为零,不应具有旋光性,但是它们却是光学活性的。
- The rotation direction of molecules can be deduced by using the helix theory Conversely, the configuration of molecules can also be deduced from rotation direction. 利用螺旋理论的规律可以推断分子的旋光方向,反之,从旋光方向也可以推断分子的构型和构象。
- Based on the triple helix theory,starting from the concept of Triple Helix Interface Organization(THIO),structural forms of bilateral THIO and trilateral THIO are presented. 本文以创新三螺旋理论为基础,从三螺旋接口组织的概念出发,首先对双边接口组织和三边接口组织的结构形式进行了阐述。
- 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因传统解释的不合理性。利用螺旋理论和稳定的交叉式构象，合理地解释了内消旋体消旋的原因。
- Keywords sparteine;optical activity;helix theory;stereochemistry; 金雀花碱;旋光性;螺旋理论;立体化学;
- Keywords tartaric acid;glyceraldehyde;stereostructure;helix theory; 酒石酸;甘油醛;立体结构;螺旋理论;
- Keywords stereochemistry;optical activity;helix theory; 立体化学;旋光性;螺旋理论;
- Keywords amino-acid;conformation;rotatory direction;helix theory; 氨基酸;构象;旋光性;螺旋理论;
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- Keywords helix theory;stereochemistry;optical activity;conformation; 立体化学;旋光性;构象;螺旋理论;
- Keywords stereochemistry;optical activity;empirical rule;helix theory; 立体化学;光学活性;经验规律;螺旋理论;
- Keywords annulene;helix structure;helix theory;potochemical reactivity.; 轮烯;螺旋结构;螺旋理论;光学活性;
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。
- I entirely approve of that theory. 我完全赞成那种理论。
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。
- Having a shape approximating that of a helix. 近似螺旋形的，近似螺旋线的
