Search Results - (varzy OR (vary OR (mar OR omar)))*

  1. 821

    Evaluación teórica de la reflectancia en capas delgadas de Al/SiO2 depositadas mediante sputtering para aplicaciones en recubrimientos ópticos by Ortega Cabrera, Jesús Javier

    Published 2021
    “…For this, a methodology was developed that contemplates carrying out the deposition of the material at two different temperatures of the substrate, the angles at which the aluminum is deposited in its vapor phase were also modified by means of the sputtering technique and finally it was varied in two different values are the speed at which the aluminum atoms are deposited on the substrate. …”
    Get full text
    Tesis
  2. 822
  3. 823

    Recent rapid rise of a permethrin knock down resistance allele in Aedes aegypti in México by Kittayapong, Pattamaporn, Ponce García, Gustavo, Flores Suárez, Adriana Elizabeth, Fernández Salas, Ildefonso, Saavedra Rodríguez, Karla Lizet, Reyes Solis, Guadalupe del Carmen, Lozano Fuentes, Saúl, Guillermo Bond, J., Casas Martínez, Mauricio, Ramsey, Janine M., García Rejón, Julián Everardo, Domínguez Galera, Marco Antonio, Ranson, Hilary, Hemingway, Janet, Eisen, Lars, Black, William C.

    Published 2009
    “…For example within the city of Chetumal, Quintana Roo, Ile1,016 frequencies varied from 38.3%–88.3%. A linear regression analysis based on seven collections from 2007 revealed that the frequency of Ile1,016 homozygotes accurately predicted knockdown rate for mosquitoes exposed to permethrin in a bioassay (R2 = 0.98). …”
    Get full text
    Article
  4. 824

    Diseño y construcción de un reactor hibrido tipo batch para la producción de biocombustibles: biodiésel y bioetanol como caso de estudio. by Solís Ulloa, Juan Carlos

    Published 2017
    “…In order to scale this parameter to reactor level, the RMA varied from 3: 1 and 6: 1 (6 molecules of methanol per 1 of oil used) and the time of 15, 30, 45 and 60 minutes of process obtaining as a result that with a RMA of 6: 1 with a time of 60 minutes a conversion of 100 % was obtained, all these experiments were carried out at a temperature of 60 ◦ C and 400 rpm. …”
    Get full text
    Tesis
  5. 825
  6. 826

    Mecanismos de resistencia y perfil de expresion de genes involucrados en la resistencia a la deltametrina en poblaciones de Aedes aegypti (L.) (Diptera: Culicidae) en México by Contreras Perera, Yamili Jazmin

    Published 2020
    “…The frequency of L410 increased from 1.18 to 2.63 for V1016 an increase was observed between 1.19 and 2.79 times, and C1534 was fixed in all strains after deltamethrin selection. Enzymatic activity varied significantly during the generations of selection. …”
    Get full text
    Tesis
  7. 827

    Estimación del contenido de carbono total de especies arbóreas y arbustivas en áreas con diferente uso histórico, en una fracción del matorral espinoso tamaulipeco, Linares, N. L.... by Yerena Yamallel, José Israel

    Published 2008
    “…By a completely randomized ANOVA there were not any differences found in the average of total carbon content of the species (Pr < 0.0564), this content varied from 44.25 to 47.08% with an general average of 45.52%; Cordia boissieri (44.25 ± 1.52%) and Acacia farnesiana (44.52 ± 1.37%) in the site of Traditional Agriculture those were the species that were with the smallest values, Forestiera angustifolia (47.08 ± 1.27%) with highest in the site of Extensive Foraging. …”
    Get full text
    Tesis
  8. 828

    Diseño y construcción de un reactor hibrido tipo batch para la producción de biocombustibles: biodiésel y bioetanol como caso de estudio. by Solís Ulloa, Juan Carlos

    Published 2017
    “…In order to scale this parameter to reactor level, the RMA varied from 3: 1 and 6: 1 (6 molecules of methanol per 1 of oil used) and the time of 15, 30, 45 and 60 minutes of process obtaining as a result that with a RMA of 6: 1 with a time of 60 minutes a conversion of 100 % was obtained, all these experiments were carried out at a temperature of 60 ◦ C and 400 rpm. …”
    Get full text
    Tesis
  9. 829
  10. 830

    Mecanismos de resistencia y perfil de expresion de genes involucrados en la resistencia a la deltametrina en poblaciones de Aedes aegypti (L.) (Diptera: Culicidae) en México by Contreras Perera, Yamili Jazmin

    Published 2020
    “…The frequency of L410 increased from 1.18 to 2.63 for V1016 an increase was observed between 1.19 and 2.79 times, and C1534 was fixed in all strains after deltamethrin selection. Enzymatic activity varied significantly during the generations of selection. …”
    Get full text
    Tesis
  11. 831

    Estimación del contenido de carbono total de especies arbóreas y arbustivas en áreas con diferente uso histórico, en una fracción del matorral espinoso tamaulipeco, Linares, N. L.... by Yerena Yamallel, José Israel

    Published 2008
    “…By a completely randomized ANOVA there were not any differences found in the average of total carbon content of the species (Pr < 0.0564), this content varied from 44.25 to 47.08% with an general average of 45.52%; Cordia boissieri (44.25 ± 1.52%) and Acacia farnesiana (44.52 ± 1.37%) in the site of Traditional Agriculture those were the species that were with the smallest values, Forestiera angustifolia (47.08 ± 1.27%) with highest in the site of Extensive Foraging. …”
    Get full text
    Tesis
  12. 832

    Evaluación de la calidad del agua de tres ríos de la subcuenca del “Río Limón” en el estado de Nuevo León by Ríos Saucedo, Julio César

    Published 2005
    “…However none chamical constituent exceeded set standards but concentrations of several constituents (pH, CE, Ca2+, Mg2+ Na1 + CO3 - HCO3 Cl- , SO42-) varied according to time, river and location. The time source of variation was explained by increased discharge which appeared to control the concentration of several chemical constituents by dilution. …”
    Get full text
    Tesis
  13. 833

    Evaluación del contenido de carbono en bosques del sur de Nuevo León by Domínguez Cabrera, Gabriel

    Published 2005
    “…Therefore, the main objective was to evaluate forest capacity for carbon sequestration at the South of Nuevo León, in order to test that this capacity varies among forest types. To do so, from 8 to 12 trees belonging to Pinus teocote, Pinus pseudostrobus and Quercus spp., were felled to obtain total dry weight and to adjust diameter equations for diameters above 1.3 m. …”
    Get full text
    Tesis
  14. 834

    Evaluación de la calidad del agua de tres ríos de la subcuenca del “Río Limón” en el estado de Nuevo León by Ríos Saucedo, Julio César

    Published 2005
    “…However none chamical constituent exceeded set standards but concentrations of several constituents (pH, CE, Ca2+, Mg2+ Na1 + CO3 - HCO3 Cl- , SO42-) varied according to time, river and location. The time source of variation was explained by increased discharge which appeared to control the concentration of several chemical constituents by dilution. …”
    Get full text
    Tesis
  15. 835

    Evaluación del contenido de carbono en bosques del sur de Nuevo León by Domínguez Cabrera, Gabriel

    Published 2005
    “…Therefore, the main objective was to evaluate forest capacity for carbon sequestration at the South of Nuevo León, in order to test that this capacity varies among forest types. To do so, from 8 to 12 trees belonging to Pinus teocote, Pinus pseudostrobus and Quercus spp., were felled to obtain total dry weight and to adjust diameter equations for diameters above 1.3 m. …”
    Get full text
    Tesis
  16. 836

    Valor nutricional de forrajes nativos del norte de México by Guerrero Cervantes, Maribel

    Published 2008
    “…The chemical composition was determined in each plant type; in addition, the extent and degree of ruminal fermentation, using the in vitro gas production technique with or whitout polietilene glycol and the in situ digestibility of dry matter, crude protein and neutral detergent fiber were also determined. Species varied in their contents (%DM) of ash (4.0-32), CP (3.9-18.6), NDF (18.7-65.1), ADF (10.6-42.3), lignin (1.1-14.5) and CT (0.1-9.1). …”
    Get full text
    Tesis
  17. 837

    Valor nutricional de forrajes nativos del norte de México by Guerrero Cervantes, Maribel

    Published 2008
    “…The chemical composition was determined in each plant type; in addition, the extent and degree of ruminal fermentation, using the in vitro gas production technique with or whitout polietilene glycol and the in situ digestibility of dry matter, crude protein and neutral detergent fiber were also determined. Species varied in their contents (%DM) of ash (4.0-32), CP (3.9-18.6), NDF (18.7-65.1), ADF (10.6-42.3), lignin (1.1-14.5) and CT (0.1-9.1). …”
    Get full text
    Tesis
  18. 838
  19. 839
  20. 840

Search Tools: