Resultados de búsqueda - ((vary OR var) OR omar)*

  1. 621

    Studies of electrical and optical properties of Sn doped and undoped ZnO thin films by the spray pyrolysis method por Arato Tovar, Ana María, García Montes, Saida Mayela, Castillo Rodríguez, Guadalupe Alan, Das Roy, Tushar Kanty

    Publicado 2011
    “…The concentration ratio of [Sn]/[Zn] was varied from 0-5 at %. The effect of doping Sn on physical and optical properties was studied by different techniques such as X-ray diffraction for structural characterization, SEM for thickness and morphology, UV-Vis spectroscopy for optical properties, Hall effect and photoconductivity for electrical characterization. …”
    Enlace del recurso
    Artículo
  2. 622

    Propuesta de plan de acción para determinar estilos de liderazgo de un departamento de la UANL. por Rodríguez Vallejo, Verónica Yaneth

    Publicado 2016
    “…Para lograr este propósito se sugerirá la aplicación el modelo de Liderazgo situacional de Paul Hersey y Kenneth Blanchard quien propone que el responsable de dirigir un grupo u organización varié su forma de interactuar y abordar las tareas en función de las condiciones de sus colaboradores.…”
    Enlace del recurso
    Tesis
  3. 623

    Aporte calórico y macronutrimental de los menús infantiles de la comida rápida y convencional por Ramos Peña, Esteban Gilberto, Castro Sánchez, Ana Elisa, Zambrano Moreno, Adriana, Núñez Rocha, Georgina Mayela, Osorio de Dios, Sylvia

    Publicado 2012
    “…The range of carbohydrates contribution of the children’s menu varied from 53.8% to 97.9% of the recommendation; in any case the protein contribution was less than 82.2%. …”
    Enlace del recurso
    Artículo
  4. 624

    Comparative Study of Ni-W/CeO25 Ni-W/y-Al2O3 and Ni-WIHT CataIysts for H2 Production by Steam Reforming of Bioethanol por Hernández, Paz, Fernández, Arturo, Messina, Sarah

    Publicado 2011
    “…Commercia1~03 was used. Nicke} content was varied from !O, 15 and 30% with 1 % W. The catalyst that presentod the highest cataIytic activity and selectivity to bydrogen was 10% Ni-WIHT. …”
    Enlace del recurso
    Artículo
  5. 625

    Freshwater fishes and water status in Mexico: A country-wide appraisal. por Contreras Balderas, Salvador, Ruiz Campos, Gorgonio, Schmitter Soto, J.J., Zambrano González, L., Varela Romero, A., Mendoza Alfaro, Roberto Eduardo, Ramírez Martínez, Carlos, Leija Tristán, M. A., Almada Villela, P., Hendrickson, D.A., Lyons, J.

    Publicado 2008
    “…The northern half of M´exico is located on the Temperate belt and is arid in character (Nearctic), while the rest is within the Tropical belt (Neotropical). Climate varies from extremely temperate desert in the north, to tropical humid in the south.M´exico has more than 500 freshwater fish species, about 271 of them country endemics, and approximately 48 endemics from binational basins. …”
    Enlace del recurso
    Artículo
  6. 626

    Hot rolling of light gauge steel strip por Zambrano, P. C., Delgado, A. L., Guerrero Mata, M. P., Colás, R., Leduc, L. A.

    Publicado 2003
    “…It was found that the values of the mean flow stress values, independently of the way they were obtained, varied as a function of both, strain rate and temperature, being possible to derive a unique formulation to describe their behaviour.…”
    Enlace del recurso
    Artículo
  7. 627

    Propuesta de plan de acción para determinar estilos de liderazgo de un departamento de la UANL. por Rodríguez Vallejo, Verónica Yaneth

    Publicado 2016
    “…Para lograr este propósito se sugerirá la aplicación el modelo de Liderazgo situacional de Paul Hersey y Kenneth Blanchard quien propone que el responsable de dirigir un grupo u organización varié su forma de interactuar y abordar las tareas en función de las condiciones de sus colaboradores.…”
    Enlace del recurso
    Tesis
  8. 628

    Comparative study of Ni-W/CeO2, Ni-W/y-Al2O3 and Ni-W/HT catalysts for H2 production by steam reforming of bioethanol por Hernández, Paz, Fernández, Arturo, Messina, Sarah

    Publicado 2011
    “…Commercial Al2O3 was used. Nickel content was varied from 10, 15 and 30% with 1% W. The catalyst that presented the highest catalytic activity and selectivity to hydrogen was 10% Ni-W/HT. …”
    Enlace del recurso
    Artículo
  9. 629
  10. 630

    Adequately Defining the Amino Acid Requirements of Fish: The Case Example of Lysine por P. Bureau, Dominique, M. Encarnação, Pedro

    Publicado 2019
    “…Using lysine as a case example, this paper highlights some of these discrepancies andpotential limitations of current approaches.Published estimates of lysine requirements for rainbow trout varied from 1.3 – 2.9 % of the diet and NRC (1993)estimated lysine requirement at 1.8% of the diet. …”
    Enlace del recurso
    Artículo
  11. 631

    Studies of electricaland optical properties of sn doped and undoped ZnO thin films by the spray pyrolysis method por Arato Tovar, Ana María, García Montes, Saida Mayela, Castillo, G. Alan, Das Roy, Tushar Kanty

    Publicado 2010
    “…The concentrationratio of[Sn]/ [Zn] was varied from 0-5 at %. The effect of doping Sn on physical and optica1 properties was studied by diffcrent techniques such as X-ray di:ffraction for structura 1 characterization, SEM forthickness and morpbology, UV-Vis spectroscopy for optical properties, Hall effect and photoconductivity for electrical characterization. …”
    Enlace del recurso
    Artículo
  12. 632

    Rapid NO conversion with an enhanced Sm+3-TiO2 photocatalyst por Alviz Meza, A., Sierra González, X., Martínez de la Cruz, A., Colina Marquez, J.A.

    Publicado 2024
    “…In this study, samarium-doped titania was synthesized via sol-gel using two different synthesis routes and varying the calcination temperature and the Sm3+ content. …”
    Enlace del recurso
    Artículo
  13. 633

    Construcción de una escala para medir la ansiedad con indicadores de efectividad por Cañizales Mendoza, Miguel Angel

    Publicado 1989
    “…En este trabajo de graduación se trata de estudiar si un cuestionario puede ser transformado a una escala para medir 1 a ansí edad con indi cadores de efectivi dad organi2acional, de tal forma que permita ver la relación existente entro ambas vari ables. Para poder describir la ansiedad y la efectividad organizacional nos hemos basados en algunos estudios sustentados por diversos autores y algunas teorías que tratan de explícar estos, fenómenos tan complejos. …”
    Enlace del recurso
    Tesis
  14. 634

    A review of the effects of macroalgae in shrimp feeds and in co-culture por Cruz Suárez, Lucía Elizabeth, Tapia Salazar, Mireya, Nieto López, Martha Guadalupe, Ricque Marie, Denis

    Publicado 2008
    “…The optimum inclusion level varies depending on algae or consumer species. In many instances, the inclusion of algae in feed formulations has resulted in improved pellet quality (water stability, water holding capacity and texture), higher feed intake, improved feed efficiency, better growth performance and higher animal product quality (higher pigmentation, lower cholesterol content). …”
    Enlace del recurso
    Sección de libro.
  15. 635

    Construcción de una escala para medir la ansiedad con indicadores de efectividad por Cañizales Mendoza, Miguel Angel

    Publicado 1989
    “…En este trabajo de graduación se trata de estudiar si un cuestionario puede ser transformado a una escala para medir 1 a ansí edad con indi cadores de efectivi dad organi2acional, de tal forma que permita ver la relación existente entro ambas vari ables. Para poder describir la ansiedad y la efectividad organizacional nos hemos basados en algunos estudios sustentados por diversos autores y algunas teorías que tratan de explícar estos, fenómenos tan complejos. …”
    Enlace del recurso
    Tesis
  16. 636
  17. 637

    La consulta popular en México: un replanteamiento para superarlainoperabilidad a la luz de los primeros resultados y los modelos Latinoamericanos. por López Sáenz, Emanuel

    Publicado 2017
    “… The figure of popular consultation recently emerged in the Mexican legal framework alongside the citizen initiative and the independent governments.By virtue of this new tool of democratic participation, it is necessary to question about the efficiency of it (a question that must be analyzed in the other two), assesing the aspects to be improved –if applicable-in order to give full validity to the emphatic attempt, to create more solid links between the government and the participation of its citizens, condition that strengthens a country’s governance.This approach arises, since an analysis of the fisrt cases to conduct varied popular consultations in the electoral day from 2015 was done and all the requests studied were dismissed by the Highest Court, who is previously in charge of the analysis of the constitutionality of the consultations, stating that, all the raised issues were prohibited by the Constitution.This has led to a recent debate in different latitudes about the suitability of reformulate the figure, since it is nowadays a model of participation that seeks to empower the citizen, however, from the 2015 experience and with the aim of providing full validity to the civilian right of participating, is convenient to study the constitutional limitations not to plumb in the depths of absurdity having on one side the constitutional requirement of national transcendence, an on the other hand, theinconstitutionality and therefore the inoperativity of the consultation by the extent of the contitutional restrictions. …”
    Enlace del recurso
    Artículo
  18. 638
  19. 639
  20. 640

    Variability in Epicuticular Wax in 35 Woody Plants in Linares, Northeast Mexico por Maiti, Ratikanta, Rodriguez Gonzalez, H., Gonzalez, E. A., Kumari, Aruna, Sarkar, N. C.

    Publicado 2016
    “…Considerable variation in wax accumulation was found among species showing prominent interspecific variation. Wax load varied from 11.18 to 702.04 µg/cm2 among species studied during summer. …”
    Enlace del recurso
    Artículo

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