Resultados de búsqueda - El Telar~

  1. 4121

    ¿Cuánto cuesta la calidad? por Cruz Álvarez, Jesús Gerardo

    Publicado 2005
    “…En este artículo abordaremos el tema del impacto económico que tiene la calidad en los costos de operación de la empresa, distinguiendo dos elementos principales del costo total de la calidad: 1) Costo de la pobre calidad, y 2) Costo de la calidad. …”
    Enlace del recurso
    Artículo
  2. 4122

    La confiabilidad de las evaluaciones del aprendizaje conceptual: Índice Spearman-Brown del método split-halves = Reliability of the evaluation of conceptual learning: index of Spea... por Rositas, J., Badii Zabeh, Mohammad Hosein, Castillo, J.

    Publicado 2006
    “…Based upon the curiosity to evaluate in a reliable and consistent fashion, the acquisition of knowledge, several methods of evaluating conceptual learning are presented, and among these, the method of Index of Spearman-Brown within the split-halves method is used for the estimation of the reliability of the measurement instrument. The related problems in this respect are laid out, taking into account the ease of determination of this index in a practical manner with the aid of the concrete applied cases. …”
    Enlace del recurso
    Artículo
  3. 4123
  4. 4124
  5. 4125

    Population density of the western burrowing owl (Athene cunicularia hypugaea) in Mexican prairie dog (Cynomys mexicanus) colonies in northeastern Mexico por Ruiz Aymá, Gabriel, Olalla Kerstupp, Alina, Macías Duarte, Alberto, Guzmán Velasco, Antonio, González Rojas, José Ignacio

    Publicado 2016
    “…Conclusions: The results represent the first systematic attempt to provide reliable evidence related to the size of the adult owl populations, within the largest and best preserved Mexican prairie dog colonies in Mexico.…”
    Enlace del recurso
    Artículo
  6. 4126
  7. 4127

    Electrochemical Evaluation of Reinforcement Concrete Exposed to Soil Type SP Contaminated with Sulphates por Santiago Hurtado, Griselda

    Publicado 2016
    “…Ecorr was evaluated according to the standard ASTM C-876-09 and the corrosion kinetics Icorr it was monitored by the technique of Linear Polarization Resistance (LPR), according to standard ASTM G-59-97(2009). …”
    Enlace del recurso
    Artículo
  8. 4128

    Epidermal growth factor enhances osteogenic differentiation of dental pulp stem cells in vitro por Del Angel Mosqueda, Casiano, Gutiérrez Puente, Yolanda, López Lozano, Ada Pricila, Romero Zavaleta, Ricardo Emmanuel, Mendiola Jiménez, Andrés, Medina de la Garza, Carlos Eduardo, Márquez M, Marcela, De la Garza Ramos, Myriam Angélica

    Publicado 2015
    “…Additionally, the cells were capable of producing calcium deposits and increasing the mRNA expression to alkaline phosphatase (ALP) and osteocalcin (OCN) in relation to control groups (p < 0.001). However, bFGF treatment showed an inhibitory effect. …”
    Enlace del recurso
    Artículo
  9. 4129
  10. 4130
  11. 4131

    Flourensia cernua: Hexane Extracts a Very Active Mycobactericidal Fraction from an Inactive Leaf Decoction against Pansensitive and Panresistant Mycobacterium tuberculosis por Molina Salinas, Gloria María, Peña Rodríguez, Luis Manuel, Mata Cárdenas, Benito David, Escalante Erosa, Fabiola, González Hernández, Silvia, Torres de la Cruz, Víctor Manuel, Martínez Rodríguez, Herminia Guadalupe, Said Fernández, Salvador

    Publicado 2011
    “…The efficacy of decoction in extracting mycobactericidal compounds from Flourensia cernua (Hojas´e) leaves and fractionation with solvents having ascending polarity was compared with that of (i) ethanol extraction by still maceration, extraction with a Soxhlet device, shake-assisted maceration, or ultrasound-assisted maceration, followed by fractionation with n-hexane, ethyl acetate, and n-butanol; (ii) sequential extraction with n-hexane, ethyl acetate, and n-butanol, by still maceration, using a Soxhlet device, shake-assisted maceration, or ultrasound-assisted maceration. …”
    Enlace del recurso
    Artículo
  12. 4132

    Efecto de la densidad de semillas en la germinación de tres especies del género astrophytum (Cactaceae)= Effect of seed density in the germination of three species of astrophytum (... por Muro Pérez, Gisela, Jurado, Enrique, Flores, Joel, Sánchez Salas, Jaime

    Publicado 2013
    “…Germination speed was not related to seed density. These results are in contrast with “sibling rivalry” hypothesis in which competition between sister seeds can inhibit germination to avoid competition due to a high density of seedlings.…”
    Enlace del recurso
    Artículo
  13. 4133

    Nutritional contribution of fish meal and microalgal biomass produced from two endemic microalgae to the growth of shrimp Penaeus vannamei por Pacheco, Juan, Gamboa Delgado, Julián, Alvarado, Ángel, Nieto López, Martha Guadalupe, Tapia, Mireya, Cruz, Lucia

    Publicado 2018
    “…Nitrogen stable isotope values were determined in ingredients, diets, and shrimp to estimate the relative contributions of the dietary nitrogen and dry matter supplied by these ingredients to the somatic growth. …”
    Enlace del recurso
    Artículo
  14. 4134

    Non-random distribution of biocrust in a natural arid environment in the northern mexican plateau por Gutiérrez, M., Pando Moreno, Marisela, Jurado, Enrique, González Rodríguez, Humberto, Marmolejo Monsiváis, José Guadalupe, Mendoza, D.

    Publicado 2018
    “…Mosses had lower cover in the open area where the highest solar radiation was recorded. Lichens and cyanobacteria distribution appeared to be related to soil moisture. …”
    Enlace del recurso
    Artículo
  15. 4135

    Statistically Coherent Calibration of X-Ray Fluorescence Spectrometry for Major Elements in Rocks and Minerals por Verma, Surendra P., Verma, Sanjeet K., Rivera Gómez, María Abdelaly, Torres Sánchez, Darío, Díaz González, Lorena, Amezcua Valdez, Alejandra, Rivera Escoto, Beatriz Adriana, Rosales Rivera, Mauricio, Armstrong Altrin, John S., López Loera, Héctor, Velasco Tapia, Fernando, Pandarinath, Kailasa

    Publicado 2018
    “…The comparison of the OLR (linear correlation coefficient r∼0.9523–0.9964 and 0.9771– 0.9999, respectively, for before and after matrix correction) and UWLR models (r∼0.9772–0.9976 and 0.9970–0.9999, respectively) clearly showed that the latter with generally higher values of r is preferable for routine calibrations of analytical procedures. …”
    Enlace del recurso
    Artículo
  16. 4136

    Modulation of rotavirus severe gastroenteritis by the combination of probiotics and prebiotics por González Ochoa, Guadalupe, Flores Mendoza, Lilian K., Icedo Garcia, Ramona, Gómez Flores, Ricardo Alberto, Tamez Guerra, Patricia

    Publicado 2017
    “…Moreover, these probiotics and prebiotics have been related to shorter duration and severity of rotavirus diarrhea, to the prevention of infection and reduced incidence of reinfections. …”
    Enlace del recurso
    Artículo
  17. 4137
  18. 4138

    Facile synthesis of visible-light-driven Cu2O/BiVO4 composites for the photomineralization of recalcitrant pesticides por Aguilera Ruiz, Eduardo, De La Garza Galván, María de Jesús, Zambrano Robledo, Patricia del Carmen, Ballesteros Pacheco, Juan Carlos, Vázquez Arenas, J., Peral, J., García Pérez, Ulises Matías

    Publicado 2017
    “…It was found that the complete abatement of 4-CP led to the formation of chlorocatechol (4-CC) without concomitantly involving the formation pathway of hydroquinone/p-benzoquinone, 4-CC was identified in the light of experimental evidence (UV-vis) and spectral simulation done by using time-dependent density functional theory (TD-DFT) with the polarized continuum model.…”
    Enlace del recurso
    Artículo
  19. 4139

    Academia de beisbol para el desarrollo de talentos, orientada a jóvenes de Nuevo León por Jauregui Guillins, Luis Miguel

    Publicado 2018
    “…Justificación del Tema: Es un área de oportunidad que detectamos con la intención de involucrar a los jóvenes que tengan el deseo de jugar beisbol al máximo nivel y cuente con las habilidades necesarias para lograrlo y tengan continuidad académica. …”
    Enlace del recurso
    Tesis
  20. 4140

    La alianza del pacífico y los Brics: dos modelos de competitividad país por Callazo Antúnez, Ana María, Meñaca Guerrero, Indira, Lechuga Cardozo, Jorge Isaac, García Guiliany, Jesús Enrique

    Publicado 2019
    “…El modelo para medir la competitividad país resultó significativo, permitiendo tener una elevada capacidad predictiva ya que el cien por ciento de la clasificación fue correcta.…”
    Enlace del recurso
    Artículo

Herramientas de búsqueda: