Evolutions of the mean square radius of gyration, the mean square end-to-end distance and the autocorrelation function of the end-to-end vector are simulated.

通过计算，研究了单链高分子的均方回转半径、均方末端距以及末端距向量自相关函数随时间的演化过程。

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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。

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The obtained characteristic ratio of mean-square radius of gyration and its temperature coefficients for the long Poly(dimethylsilylene)chains with side groups approach the asymptotic value of 2.

得到其长链分子的均方回转半径的特征比和温度系数分别趋向于稳定值2。

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