991 resultados para Ángeles


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Tesis (Maestría en Ciencias con Orientación en Gestión e Innovación del Diseño) UANL, 2012.

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Tesis (Maestría en Ciencias en Ingeniería de Sistemas) UANL, 2011.

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Tesis (Maestría en Ciencias con orientación en Procesos Sustentables) UANL, 2014.

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UANL

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UANL

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UANL

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UANL

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UANL

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Distortions in a family of conjugated polymers are studied using two complementary approaches: within a many-body valence bond approach using a transfer-matrix technique to treat the Heisenberg model of the systems, and also in terms of the tight-binding band-theoretic model with interactions limited to nearest neighbors. The computations indicate that both methods predict the presence or absence of the same distortions in most of the polymers studied.