Search Results - Upham~

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    Efecto de Fluoración en las Propiedades de Conducción del Sistema Donador-Aceptor-Donador BPEN(TPAM): by Flores Mena , Raul Rodolfo, Campos Almazan , Mara Ibet, Hernandez Vazquez , Esther Elena, Landeros Martinez, Linda Lucero, Sanchez Bojorge, Nora Aydee, Palomares Baez, Juan Pedro, Rodriguez Valdez , Luz María

    Published 2023
    “…Se estudiaron los efectos de fluoración de TPAM en las propiedades de conducción de una molécula de arquitectura donador-aceptor-donador (D-A-D) que emplea 2,3-bis(4-fenil)-2-butenodinitrilo(BPEN) como centro aceptor (BPEN(TPAM)2). …”
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    Article
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    Historical and current spatial modeling of the sacred fir (Abies religiosa [Kunth] Schltdl. & Cham.) in the Trans-Mexican Volcanic Belt by Manzanilla Quiñones, Ulises, Martínez Adriano, Cristian Adrián, Aguirre Calderón, Oscar Alberto

    Published 2019
    “…Introduction: Climatic conditions in the Trans-Mexican Volcanic Belt during the middle Holocene were different from today’s conditions, which may have an effect on the historical distribution areas of the sacred fir (Abies religiosa [Kunth] Schltdl. & Cham.). Objective: To determine whether the environmental requirements that delimit the current distribution of the sacred fir in the Trans-Mexican Volcanic Belt have changed since 6,000 years ago. …”
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    Article
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