天然橡胶是否是线型链状分子的聚合物，这个问题已经解决了。
The problem whether natural rubber is a polymer with linear chain molecules has been solved.
以二茂铁甲酸根为配体合成了一维链状结构的锰配位聚合物。
A one-dimensional structure coordination polymer of manganese with ferrocenecarboxylato as ligand has been synthesized.
通过模拟实验发现硫能和各种链状化合物反应形成噻吩系列化合物。
Through the simulation experiment it is concluded that sulphur can react with different kinds of chain compounds to form thiophene series compounds.
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