Search Results - (((valles OR values) OR valle) OR (vallejo OR callejas))

  1. 961
  2. 962

    Indicadores de calidad de planta en viveros forestales del estado de Tamaulipas. by Morales Pérez, Edilberto

    Published 2018
    “…The models selected to predict the dependent variable IR and ICD presented good adjustment, with values of R2 = 0.951 and R2 = 0.941 for P. pseudostrobus, R2 = 0.787 and R2 = 0.982 for Q. rubra, R2 = 0.989 and R2 = 0.993 for E. camaldulensis, R2 = 0.934 and R2 = 0.939 for G. arborea.…”
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  3. 963

    Caracterización de recubrimientos depositados por PVD para sensores de temperatura de frenos de una aeronave. by Montoya Rangel, Marvin

    Published 2018
    “…From the results of electrochemical impedance spectroscopy it was possible to see that in the Nyquist diagrams incomplete semi-circles are presented for all the systems in each solutions, this can be associated with high values of impedance, if not happened in AlCrN/Ti + CrSi in H2SO4. …”
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  4. 964

    Susceptibilidad y mecanismos enzimáticos de resistencia a insecticidas en poblaciones de Aedes aegypti (L), de los estados de Nayarit, Sinaloa y Veracruz, México by Alvarez Coronado, Gilda Carolina

    Published 2008
    “…Aegypti was used to establish a discriminating dose for permethrin and the threshold criteria for enzyme were the highest NO absorbance values. The susceptibility of larvae to common insecticides such as Organophosphates (temephos and malathion) and pyretroids ( cypermethrin, byphenthrin and permethrin), was studied in ten populations of the State of Veracruz. …”
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  5. 965

    Dinámica de bosques de coníferas en Durango, México by Pimienta de la Torre, Dorian de Jesús

    Published 2005
    “…Evaluated indexes was found that the best index included in model of basal increment area prediction, was the index Crown cross-sectional area (CCSA) adjusted the growth models of Fresse and Korf, adjusted the growth models of Fresse and Korf, present a R2 0.2344, a CME 0.000000160 and F value 424.4658, and for Biging and Dobbertin (1992), logarithmic model was adjust, these competition indexes fill surface crownarea (m2), their statistical adjustment present a determination coefficient (R2) of 0.2344, mean square error (MSE) 0.000000160 and F value of 424.4658 for CCSA and for Biging and Dobbertin (1992) an R2 of 0.2438, and SME of 0.000000183 and F value of 624.55 respectively. …”
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  6. 966
  7. 967
  8. 968
  9. 969
  10. 970

    Modelos de desarrollo de software de exportación en el contexto de una región emergente: Caso área metropolitana de Monterrey, análisis de campo por el método de regresión lineal m... by Torres, Francisco, Alarcón Galván, Gabriela, Palomo González, Miguel Ángel

    Published 2009
    “…The present study is based on the application of the statistical technique of the model of multiple lineal regressions, giving the following values: R= 0.549, 2 R =0.302, 2 R Ajus = 0.275. The positioning of the companies Mexican developments of software export and, in the particular case in the Metropolitan Area of the City of Monterrey, in the world market of software and related services, it will depend: that the company has a model to develop software export; of the consolidation of managerial associations of TI for the development of the export software and of the development of managerial consortia of export software in the Metropolitan Area of the City of Monterrey that they come to consolidate this industry in the northeast of the country.…”
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  11. 971
  12. 972

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

    Published 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. …”
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  13. 973

    La satisfacción de clientes/deportistas y trabajadores en entidades deportivas como determinante de los servicios deportivos. by Reyes Robles, Marina

    Published 2018
    “…Results: satisfactory indices were obtained within the exploratory and confirmatory factor analyzes, the values resulting from the reliability: Cronbach’s alpha, composite reliability and average variance extracted were acceptable for most if the factors except for the facility factor of the client/athlete survey that did not meet the recommended value, the correlation indexes, it is observed that all the factor of the poll of client/athlete survey as for the workers correlate positive and significantly among all the factors. …”
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  14. 974
  15. 975

    Mutaciones “kdr” y enzimas asociadas a la resistencia a piretroides en triatominos (Hemiptera: reduviidae), vectores de la enfermedad de chagas en México. by Dávila Barboza, Jesús Antonio

    Published 2017
    “…According to the RR50 values, all populations demonstrated altered susceptibility to deltamethrin, with the highest RR50 for T. mazzottii of 27-fold. …”
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  16. 976
  17. 977

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

    Published 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. …”
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  18. 978

    "Insectos asociados a esporomas de macromicetos en tres tipos de vegetación en el municipio de Linares, Nuevo León, México" by Rivera Luna, Karen Elisama

    Published 2020
    “…The Shannon Index revealed that sites 1, 2 and 3 present a high diversity with values 3.07, 3.57 and 3.59, respectively.…”
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  19. 979

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

    Published 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. …”
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  20. 980

    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... by Díaz Hernández, Emmanuel

    Published 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. …”
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