The products with higher conductivity are mainly 1, 4-connected head-to-tail chain structure, both benzenoid and quinoid units exist in the polymer chain.
具有较高电导的产物的链结构主要是1,4 -连接的头尾结构，链上同时存在苯式及醌式两种结构单元。
Due to the existence of the surface, the curves expressing the chain size versus temperature for the tail chain were slightly lower than those for the free chain.
由于刚性壁的影响，使得有限链长的高分子尾形链与自由链相比，其表示链尺寸温度关系的曲线要稍低。
It shows that the content of head-to-tail chain of the polymer are related to its polymerization temperature, but are not related with the kind of initiators used.
实验表明聚合物的头-头链的含量与聚合温度有关，而与引发剂的种类无关。
Generally, it is not easy to find the exact tail-estimation for the distribution of the minimum value in partial sum sequence of a stationary ergodic Markov chain.
一般情况下对平稳遍历马尔可夫链部分和序列最小值分布进行精确尾估计是较困难的。
Generally, it is not easy to find the exact tail-estimation for the distribution of the minimum value in partial sum sequence of a stationary ergodic Markov chain.
一般情况下对平稳遍历马尔可夫链部分和序列最小值分布进行精确尾估计是较困难的。
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