Resultados de búsqueda - (((vals OR (valia OR vales)) OR (vale OR value)) OR (vials OR viales))

  1. 1001
  2. 1002

    Contenido de nutrimentos minerales en la hojarasca de bosques de pino, encino y pino-encino durante el proceso de descomposición por Colín Vargas, Claudia Irasema

    Publicado 2019
    “…In the Oak forest, the transfer of nutrients to the soil was 14.75 mg g-1 for Ca; 2.45 mg g -1 Mg; 7.61 mg g-1 K, 7.53 μg g-1 Cu and 71,405 μg g-1 of Mn; the transfer in the Pino-Oak forest was 17.87 mg g-1 for Ca; 3.05 mg g-1 Mg; 6.7 mg g-1 K; 10 μg g1 Cu and 351.51 μg g-1 of Mn; As for Fe and Zn, increases in their content were observed in the three types of ecosystems, with the Oak forest recording the highest values; 1023.39 μg g-1 and 112.73 μg g-1 respectively. …”
    Enlace del recurso
    Tesis
  3. 1003

    Aplicación de la inversión conjunta de datos sísmicos y de resistividad para la generación de imágenes de alta resolución en la caracterización hidrogeológica por Infante Pacheco, Víctor Eduardo

    Publicado 2008
    “…Four lithologic units were identified within the first 30 m: silts with small thickness (0.30 m.), and Vp waves velocities less than 400 m/s and resistivity values between 10 and 16 ohm-m; Alluvium (Quaternary deposits) with thickness of 2 to 4 m, with three sub-units inside; sub-unit 1 is composed of sandy clay with velocities of 450 – 700 m/s for Vp waves and resistivity of 20 – 35 ohm-m; sub-unit 2 is composed of sandy clay with caliche nodules with velocities of 700 – 800 m/s for Vp waves and resistivity of 16 – 35 ohm-m; sub-unit 3 is composed of clays with gravels and caliche nodules and calcareous material with velocities of 300 – 550 m/s for Vp waves and resistivity of 50 – 150 ohm-m. …”
    Enlace del recurso
    Tesis
  4. 1004

    Efecto de monensina sódica, aceites esenciales, taninos y nanopartículas de zinc como modificadores de la fermentación ruminal in vitro y sus propiedades reductoras de emisiones de... por Díaz Hernández, Emmanuel

    Publicado 2020
    “…From these results, it can be highlighted that essential oils showed a similar behavior to monensin sodium, maintaining the rumen pH and showing similar values in VFA production, with the exception of acetic acid, which significant decrease, in addition to increasing total gas production. …”
    Enlace del recurso
    Tesis
  5. 1005
  6. 1006

    Efecto del eritritol sobre el desarrollo y fructificación de pleurotus ostreatus. por Sánchez Saldívar, Eduardo Alain

    Publicado 2018
    “…These tests measured the values of biomass production, growth rate, in addition to morphological changes at microscopic and macroscopic level to conclude with the evaluation of the production of carpophorus. …”
    Enlace del recurso
    Tesis
  7. 1007
  8. 1008
  9. 1009

    Contenido de nutrimentos minerales en la hojarasca de bosques de pino, encino y pino-encino durante el proceso de descomposición por Colín Vargas, Claudia Irasema

    Publicado 2019
    “…In the Oak forest, the transfer of nutrients to the soil was 14.75 mg g-1 for Ca; 2.45 mg g -1 Mg; 7.61 mg g-1 K, 7.53 μg g-1 Cu and 71,405 μg g-1 of Mn; the transfer in the Pino-Oak forest was 17.87 mg g-1 for Ca; 3.05 mg g-1 Mg; 6.7 mg g-1 K; 10 μg g1 Cu and 351.51 μg g-1 of Mn; As for Fe and Zn, increases in their content were observed in the three types of ecosystems, with the Oak forest recording the highest values; 1023.39 μg g-1 and 112.73 μg g-1 respectively. …”
    Enlace del recurso
    Tesis
  10. 1010

    Aplicación de la inversión conjunta de datos sísmicos y de resistividad para la generación de imágenes de alta resolución en la caracterización hidrogeológica por Infante Pacheco, Víctor Eduardo

    Publicado 2008
    “…Four lithologic units were identified within the first 30 m: silts with small thickness (0.30 m.), and Vp waves velocities less than 400 m/s and resistivity values between 10 and 16 ohm-m; Alluvium (Quaternary deposits) with thickness of 2 to 4 m, with three sub-units inside; sub-unit 1 is composed of sandy clay with velocities of 450 – 700 m/s for Vp waves and resistivity of 20 – 35 ohm-m; sub-unit 2 is composed of sandy clay with caliche nodules with velocities of 700 – 800 m/s for Vp waves and resistivity of 16 – 35 ohm-m; sub-unit 3 is composed of clays with gravels and caliche nodules and calcareous material with velocities of 300 – 550 m/s for Vp waves and resistivity of 50 – 150 ohm-m. …”
    Enlace del recurso
    Tesis
  11. 1011

    Efecto de monensina sódica, aceites esenciales, taninos y nanopartículas de zinc como modificadores de la fermentación ruminal in vitro y sus propiedades reductoras de emisiones de... por Díaz Hernández, Emmanuel

    Publicado 2020
    “…From these results, it can be highlighted that essential oils showed a similar behavior to monensin sodium, maintaining the rumen pH and showing similar values in VFA production, with the exception of acetic acid, which significant decrease, in addition to increasing total gas production. …”
    Enlace del recurso
    Tesis
  12. 1012
  13. 1013
  14. 1014
  15. 1015

    Implementación del sistema de producción de bioetanol en un reactor híbrido tipo batch para su uso en un motor de combustión interna. por Lucio López, Alex Nibardo de

    Publicado 2018
    “…From these mixtures were evaluated the levels of average maximum pressure in the chamber, duration of the first phase of combustion and autoignition values. With this research we obtain the methodology for the production of mediumscale bioethanol, from a raw material of organic origin and whose process gives rise to the study of biofuels from different types of biomass with high content of sucrose, obtaining reasonable quantities with the desired specifications for evaluation in different types of internal combustion engines.…”
    Enlace del recurso
    Tesis
  16. 1016

    Efecto sinérgico de distintos extractos vegetales y Bacillus thuringiensis var. israelensis para el control de Aedes aegypti (L.) (diptera, culicidae) por Ramírez Villalobos, Jesica María

    Publicado 2020
    “…By combining LC50 and LC25 of plant extracts and Bti strains, it was possible to enhance the larvicidal activity being the best combination LC25 Bt-QAM + LC25 C. longa presenting synergistic effect with values of 94 for the co-toxicity factor and 1.9 for the synergism factor. …”
    Enlace del recurso
    Tesis
  17. 1017
  18. 1018

    Implementación del sistema de producción de bioetanol en un reactor híbrido tipo batch para su uso en un motor de combustión interna. por Lucio López, Alex Nibardo de

    Publicado 2018
    “…From these mixtures were evaluated the levels of average maximum pressure in the chamber, duration of the first phase of combustion and autoignition values. With this research we obtain the methodology for the production of mediumscale bioethanol, from a raw material of organic origin and whose process gives rise to the study of biofuels from different types of biomass with high content of sucrose, obtaining reasonable quantities with the desired specifications for evaluation in different types of internal combustion engines.…”
    Enlace del recurso
    Tesis
  19. 1019

    Efecto sinérgico de distintos extractos vegetales y Bacillus thuringiensis var. israelensis para el control de Aedes aegypti (L.) (diptera, culicidae) por Ramírez Villalobos, Jesica María

    Publicado 2020
    “…By combining LC50 and LC25 of plant extracts and Bti strains, it was possible to enhance the larvicidal activity being the best combination LC25 Bt-QAM + LC25 C. longa presenting synergistic effect with values of 94 for the co-toxicity factor and 1.9 for the synergism factor. …”
    Enlace del recurso
    Tesis
  20. 1020

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