Using the rotational isomeric state theory, the mean square radius of gyration < S 2> and its temperature coefficient for the polymer chain with large side groups are derived.
在旋转异构态理论基础上，建立双侧基高分子链均方旋转半径的计算公式，由此得到聚甲基苯乙烯的均方旋转半径特征比与链长的关系，计算结果与实验数值十分一致。
However, the selected area's electron diffraction shows that it has both cubic and hexagonal phase structures corresponding to different shapes. This is attributed to the isomeric state of ZnS.
样品选区电子衍射表明反应产物是立方相和六方相结构，认为这是硫化锌的同质异构现象。
QCD isomeric compounds and a tetra-quark state with the square-like color structure based on a color string model and the similarity between string and chemical bond are proposed and studied.
在QCD弦模型的基础上，基于弦和化学键的相似性，提出了四夸克态的环状颜色结构和QCD同分异构体的概念。
QCD isomeric compounds and a tetra-quark state with the square-like color structure based on a color string model and the similarity between string and chemical bond are proposed and studied.
在QCD弦模型的基础上，基于弦和化学键的相似性，提出了四夸克态的环状颜色结构和QCD同分异构体的概念。
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