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  1. 11201

    El Agua: Pilar Fundamental para la Sostenibilidad del Futuro by Gutiérrez-Soto, Guadalupe, López-Sandin, Iosvany, Iqbal, Hafiz M. N., Parra-Arroyo, Lizeth, Parra-Arroyo, Jenifer, Parra-Saldívar , Roberto

    Published 2024
    “…Este artículo examina cómo factores como el cambio climático, la contaminación y el crecimiento poblacional están exacerbando esta escasez, lo que tiene graves repercusiones para la calidad de vida, el desarrollo económico y el equilibrio ecológico. …”
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    Article
  2. 11202

    Distribución ecológica de la herpetofauna de la Sierra de Gomas, en el estado de Nuevo León. by Nevárez de los Reyes, Manuel

    Published 2018
    “…It appears probable that there exists a greater abundance of species in this region than presently is known for the area. It also is likely that species range more broadly in elevation, since the attitudinal gradient ranges from 450 to 2240 m, encompassing a great variety of vegetation types.…”
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    Tesis
  3. 11203

    Relación de variabilidad de frecuencia cardiaca con carga interna y externa en entrenamiento de hockey. Análisis de respuestas autónomas agudas post ejercicio. by González Fimbres, Roberto Andrés

    Published 2018
    “…Methods: During a 12 week period, 11 youth players (14.41 ± 0.51 years) from a male field hockey team were evaluated in regard of their ETL using triaxial accelerometers (Actigraph) and data was later contrasted with ITL, which was measured using HR monitors (Polar Team2) by four different TRIMP methods: Banister´s (bTRIMP), Edwards´s (eTRIMP), individualized (iTRIMP) and modified (mTRIMP). HRV was also analyzed using heart rate (HR) monitors (Polar H7). …”
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    Tesis
  4. 11204

    Mecanismos de resistencia enzimática en siete sub-poblaciones de Aedes aegypti (L.) a insecticidas comunes y alternativos para su control en el estado de Veracruz, México by Silva Salinas, Brenda Guadalupe

    Published 2010
    “…The accomplishment of biochemical tests in microplate esterases, mixed-function oxidases (MFO), glutathione-S- transferase (GST), insensitive acethylcholineterase (iAChe)), readings of absorbance obtained in each enzymatic test and comparisons between the average values of absorbance of each under-population and stock of reference by insecticide and locality by computer software SPSS 10; also, the determination of the tolerance threshold, according to the reference stock, it was allowed the enzymatic characterization in the under-populations of Veracruz finding in larvarias underpopulations of the state, the mechanisms α and β-esterases, which suggests resistance crossed between pyrethroids and organophosphate (temephos). …”
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    Tesis
  5. 11205

    Distribución ecológica de la herpetofauna de la Sierra de Gomas, en el estado de Nuevo León. by Nevárez de los Reyes, Manuel

    Published 2018
    “…It appears probable that there exists a greater abundance of species in this region than presently is known for the area. It also is likely that species range more broadly in elevation, since the attitudinal gradient ranges from 450 to 2240 m, encompassing a great variety of vegetation types.…”
    Get full text
    Tesis
  6. 11206

    Relación de variabilidad de frecuencia cardiaca con carga interna y externa en entrenamiento de hockey. Análisis de respuestas autónomas agudas post ejercicio. by González Fimbres, Roberto Andrés

    Published 2018
    “…Methods: During a 12 week period, 11 youth players (14.41 ± 0.51 years) from a male field hockey team were evaluated in regard of their ETL using triaxial accelerometers (Actigraph) and data was later contrasted with ITL, which was measured using HR monitors (Polar Team2) by four different TRIMP methods: Banister´s (bTRIMP), Edwards´s (eTRIMP), individualized (iTRIMP) and modified (mTRIMP). HRV was also analyzed using heart rate (HR) monitors (Polar H7). …”
    Get full text
    Tesis
  7. 11207

    Mecanismos de resistencia enzimática en siete sub-poblaciones de Aedes aegypti (L.) a insecticidas comunes y alternativos para su control en el estado de Veracruz, México by Silva Salinas, Brenda Guadalupe

    Published 2010
    “…The accomplishment of biochemical tests in microplate esterases, mixed-function oxidases (MFO), glutathione-S- transferase (GST), insensitive acethylcholineterase (iAChe)), readings of absorbance obtained in each enzymatic test and comparisons between the average values of absorbance of each under-population and stock of reference by insecticide and locality by computer software SPSS 10; also, the determination of the tolerance threshold, according to the reference stock, it was allowed the enzymatic characterization in the under-populations of Veracruz finding in larvarias underpopulations of the state, the mechanisms α and β-esterases, which suggests resistance crossed between pyrethroids and organophosphate (temephos). …”
    Get full text
    Tesis
  8. 11208

    Elecciones presidenciales mexicanas y el gasto público del Ramo 20 Desarrollo Social, 1995 – 2016 by Reyes Hernández, Marlen Rocío, Mejía Reyes, Pablo, Mancilla Bárcenas, Manuel

    Published 2019
    “…To do so, extended autoregressive models are estimated for the total social expenditures and two of its main components, to take into account economics factors. Among the most outstanding results is that the growth of GDP and total government revenues play a significant role as control variables. …”
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    Article
  9. 11209

    Acceso y uso de las tecnologías de información y comunicación en la vejez. Análisis de obstáculos y facilitadores en la apropiación digital de trabajadores mayores del sector públi... by Rodolfo, Noelia, Pochintesta, Paula, Museres, Nuria

    Published 2024
    “…  A partir de un diseño cualitativo se realizaron 12 entrevistas semidirigidas a personas de dos grupos de edad (25 a 35 años y 60 años y más). Entre los factores que obstaculizan la apropiación de TIC se destaca la presencia de estereotipos (incapacidad de aprender, inutilidad, inflexibilidad, senilidad) que funcionan de manera inconsciente e involuntaria. …”
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    Article
  10. 11210
  11. 11211

    Criterios de Calidad de Huevos y sus Implicaciones en el Cultivo de Peces Marinos by Peña, Renato

    Published 2015
    “…Sin embargo, dichos parámetros no brindan información sobre los factores que puedan explicar ó mejorar la calidad de los huevos.De esta forma, se ha reportado el uso de diferentes caracteres como criterios evaluadores ó indicadores de la calidad de los desoves de reproductores tanto silvestres como en cautiverio, con la finalidad de generar una estrategia que permita tomar decisiones precisas y confiables con respecto al desove que se ha obtenido.El espectro de caracteres que se han utilizado para evaluar o predecir la calidad de los huevos es tan amplio, que abarca desde el porcentaje de fecundación ó el de flotabilidad de los huevos, hasta las “aberraciones” mitóticas en embriones, pasando por la actividad de enzimas metabólicas en embriones, el índice de actividad de larvas y la concentración de reservas alimenticias y energéticas (i.e. amino ácidos libres y ácidos grasos). …”
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    Article
  12. 11212
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