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首页> 外文期刊>Journal de Chimie Physique et de Physico-Chimie Biologique >Application de la topologie moleculaire a la prediction de la viscosite liquide des composes organiques
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Application de la topologie moleculaire a la prediction de la viscosite liquide des composes organiques

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摘要

Molecular Topology has been applied to search for a mathematical model able to predict liquid viscosity values for an extensive group of organic compounds with C, H, O, N, S and halogenous atoms. The topological descriptors we have used are the connectivity indices from Kier et Hall-up to fourth order-, and the electrotopological indices. Quality of regression equation finally selected has been evaluated by a crossvalidation study. Viscosity of all compounds excepted 1,1,2-trichlorotrifluoro etane is correctly predicted by the model proposed.

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