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研究了聚环氧乙烷链在三级旋转异构态模型中的微观构象及其三级相互作用对聚环氧乙烷链的持久矢量的影响.计算了聚环氧乙烷链在三级旋转异构态模型中的键段的先验几率.这种方法能计算重复单元极复杂的对称高分子链的先验几率,还能研究不对称高分子链的微观构象,同时导出了三级旋转异构态模型中的持久矢量计算公式.
The microscopic conformation of polyethylene oxide chains in the third-order spin-isomerization model and the effect of their tertiary interactions on the long-lasting vector of polyethylene oxide chains were investigated. The a priori probability of polyethylene oxide chain in the third-order spin-isomerism model was calculated. This method can calculate the prior probability of highly symmetric polymer chains with repetitive elements and study the microscopic conformations of asymmetric polymer chains. Meanwhile, the formula for calculating long-lasting vectors in the third-order spin-isomerism model is deduced.