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本文给出了苯烃以及更广泛一类分子图(HF图)有Kekule结构的充要条件。同时引进网络流的理论,给出一种P—V路方法。由P—V路方法得到Kekule结构的计算机判别和实际Kekule花样的作法。公布了至今未知的12个苯环构成的苯烃中的全部99个隐蔽的非Kekule结构。还给出了P—V路方法的其它一些应用。
In this paper, the necessary and sufficient conditions for the existence of Kekule structures for benzene and a wider class of molecular (HF) diagrams are given. At the same time the introduction of network flow theory, gives a P-V way. The method of computer discrimination and actual Kekule pattern of Kekule structure is obtained by P-V method. All 99 concealed non-Kekule structures in benzene benzene of 12 benzene rings so far unknown have been published. Some other applications of the P-V approach are also given.