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  1. 721
  2. 722

    Influencia de los hábitos comunicativos en la generación de participación y cinismo político entre los preciudadanos = Influence of communicative habits in generating participation... by Saldierna Salas, Alma Rosa, Muñiz, Carlos

    Published 2015
    “…The main findings have used the media to consume more is the internet followed by television, but consumption is only for entertainment purposes as the fact chatting or downloading music not for purposes of seeking political information, also is evidence regarding their levels of conversation, these are really impacting attitudes and political cynicism. …”
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  3. 723
  4. 724
  5. 725

    Conductas sexuales y uso de drogas en adolescentes escolarizados de nivel medio y medio superior en el estado de Nuevo León by Corona Lozano, María Dolores

    Published 2017
    “…Por los resultados obtenidos en este trabajo se evidencia la magnitud del problema de salud pública que se tiene en México en relación a las conductas sexuales de riesgo y su asociación con la ingesta de drogas licitas e ilícitas entre la población adolescente, sin distinción de ámbito social o económico, lo que demanda un cambio en las políticas sociales y de salud que identifiquen la multifactorialidad del problema y la necesidad de tener políticas y programas de salud donde el adolescente sea el actor principal y sea atendido por un equipo multidisciplinario en los múltiples escenarios donde ellos se encuentren y que se atienda todas las aristas que lo integran: políticas, económicas, de salud y de educación.…”
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    Tesis
  6. 726

    Conductas sexuales y uso de drogas en adolescentes escolarizados de nivel medio y medio superior en el estado de Nuevo León by Corona Lozano, María Dolores

    Published 2017
    “…Por los resultados obtenidos en este trabajo se evidencia la magnitud del problema de salud pública que se tiene en México en relación a las conductas sexuales de riesgo y su asociación con la ingesta de drogas licitas e ilícitas entre la población adolescente, sin distinción de ámbito social o económico, lo que demanda un cambio en las políticas sociales y de salud que identifiquen la multifactorialidad del problema y la necesidad de tener políticas y programas de salud donde el adolescente sea el actor principal y sea atendido por un equipo multidisciplinario en los múltiples escenarios donde ellos se encuentren y que se atienda todas las aristas que lo integran: políticas, económicas, de salud y de educación.…”
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    Tesis
  7. 727
  8. 728

    Contenido de macro y micronutrientes en regosoles en áreas bajo manejo del matorral desértico micrófilo y rosetófilo. by Pérez Pérez, José Eduardo

    Published 2018
    “…According to the results obtained, it was found that the use of the aerating roller had beneficial effects due to the fact that the treatments showed better conditions in the layers from 0 to 15 cm deep, making the nutrients available to the plants, however, a cyclic use is recommended since over time the nutrients show a lower availability, as it was shown by the comparison of means between the control and the other aeration roller treatments, where it was found that the 9 application of this implement had better results in Ra11, which was one of the most recent applications in the study area.…”
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  9. 729

    Efecto tóxico in vivo e in vitro de los extractos polares de nueve plantas utilizadas en medicina tradicional. by González Yáñez, Ma. Guadalupe Ernestina

    Published 2018
    “…Using Artemia salina, in fact, the extracts which showed toxicity were: Tillandsia recurvata, Sphaeralcea angustifolia y Gnaphallium oxyphyllum. …”
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  10. 730

    Study on the properties of CuSbS₂ and CuSbSeₓS₂₋ₓ thin films for photovoltaic and photodetector applications by Vinayakumar, Vineetha

    Published 2019
    “…Our assumptions for alloying it with Se was ground on the fact that incorporation of Se can shift the bandgap of CuSbS2 from 1.5 to 1.2 eV depending on the Se content for much efficient solar light absorption. …”
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    Tesis
  11. 731

    Contenido de macro y micronutrientes en regosoles en áreas bajo manejo del matorral desértico micrófilo y rosetófilo. by Pérez Pérez, José Eduardo

    Published 2018
    “…According to the results obtained, it was found that the use of the aerating roller had beneficial effects due to the fact that the treatments showed better conditions in the layers from 0 to 15 cm deep, making the nutrients available to the plants, however, a cyclic use is recommended since over time the nutrients show a lower availability, as it was shown by the comparison of means between the control and the other aeration roller treatments, where it was found that the 9 application of this implement had better results in Ra11, which was one of the most recent applications in the study area.…”
    Get full text
    Tesis
  12. 732

    Efecto tóxico in vivo e in vitro de los extractos polares de nueve plantas utilizadas en medicina tradicional. by González Yáñez, Ma. Guadalupe Ernestina

    Published 2018
    “…Using Artemia salina, in fact, the extracts which showed toxicity were: Tillandsia recurvata, Sphaeralcea angustifolia y Gnaphallium oxyphyllum. …”
    Get full text
    Tesis
  13. 733

    Study on the properties of CuSbS₂ and CuSbSeₓS₂₋ₓ thin films for photovoltaic and photodetector applications by Vinayakumar, Vineetha

    Published 2019
    “…Our assumptions for alloying it with Se was ground on the fact that incorporation of Se can shift the bandgap of CuSbS2 from 1.5 to 1.2 eV depending on the Se content for much efficient solar light absorption. …”
    Get full text
    Tesis
  14. 734
  15. 735

    Contradicciones éticas de las responsabilidades sociales en la bibliotecología by Muela Meza, Zapopan Martín

    Published 2007
    “…It shows evidences on the fact that the professionals of the documental information (PDIs, included librarians) which works were analized that they only show an analysis of the ethical phenomenon exclusively from philosophy, or from a social science, or from philosophy and combined with a social science, but in all the cases none of them include an analysis from the natural sciences such as biology or neuropsicology. …”
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    Sección de libro.
  16. 736

    Estudio geobiológico de la formación La Virgen y sus facies transicionales en los Potreros de Menchaca y La Virgen, Coahuila. by Gutiérrez Alejandro, Alejandra Guadalupe

    Published 2018
    “…Even when this formation was identified and described more tan 50 years ago in pioneer geological studies in northeastern Mexico, and the fact that it is a well-exposed sedimentary unit outcropping in several localities in Coahuila and Chihuahua, the Virgen Formation has remained scarcely studied, especially under a biosedimentological perspective. …”
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  17. 737

    Control reproductivo y larvario del catan (Atractosteus spatula) by González Lázcarí, Martín

    Published 2006
    “…Several aspects have hindered the successful reproduction of adult alligator gar, such as their short natural reproductive season, restricted to only a week per year, the mean age of the breeders, estimated in 15 years, the fact that females cannot be cannulated to determine their sexual maturity and first and foremost because of the impossibility to distinguish males from females, which prevents the establishment of an adequate sex proportion required for optimal fertilization. …”
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    Tesis
  18. 738

    Estudio geobiológico de la formación La Virgen y sus facies transicionales en los Potreros de Menchaca y La Virgen, Coahuila. by Gutiérrez Alejandro, Alejandra Guadalupe

    Published 2018
    “…Even when this formation was identified and described more tan 50 years ago in pioneer geological studies in northeastern Mexico, and the fact that it is a well-exposed sedimentary unit outcropping in several localities in Coahuila and Chihuahua, the Virgen Formation has remained scarcely studied, especially under a biosedimentological perspective. …”
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    Tesis
  19. 739

    Control reproductivo y larvario del catan (Atractosteus spatula) by González Lázcarí, Martín

    Published 2006
    “…Several aspects have hindered the successful reproduction of adult alligator gar, such as their short natural reproductive season, restricted to only a week per year, the mean age of the breeders, estimated in 15 years, the fact that females cannot be cannulated to determine their sexual maturity and first and foremost because of the impossibility to distinguish males from females, which prevents the establishment of an adequate sex proportion required for optimal fertilization. …”
    Get full text
    Tesis
  20. 740

    Biology and Society: Exposing the Vital Linkages: The Relationship between the Study of Life and Humanity's Chances for a Future by Wilson, Larry David, Lazcano-Villarreal, David

    Published 2019
    “…El autor pronostica que tales desarrollos tuvieron que iniciarse en la "década de la decisión “, es decir, en los 90s, previo a la llegada del presente milenio. …”
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