Resultados de búsqueda - (((usumay OR usum) OR ((((sume OR usumaaen) OR asume) OR some) OR assumed)) OR usumoa)*

  1. 541

    Análisis de la competencia en la industria cementera en México por De La Garza Garza, Oscar Javier, Arteaga García, Julio César

    Publicado 2011
    “…Aunque los resultados no son robustos, no se puede descartar que la competencia sea de tipo Stackelberg; tampoco se puede descartar que las empresas cementeras en México se comporten como en el modelo de Cournot ABSTRACT:There are some key sectors or industries in the economy of a country.Examples are telecommunications, transportation, commercial banking,construction, energy, among others. …”
    Enlace del recurso
    Artículo
  2. 542

    Estándares característicos de una escuela internacional: el impacto de la acreditación internacional de programas en la educación superior por Barragán Codina, José Nicolás

    “…Quality in education is something that is not easy to figure out, in the perspective on how to measure the quality in education, perhaps the only way to measure quality in education is to measure the actual results from education, such as graduates, course syllabus, and some others. The aim of this article is to provide more information on the basics characteristic in higher education that might be able to help educational institutions to organize efforts that could lead them to apply quality in the higher education as they would like, and also as a differentiation strategy.…”
    Enlace del recurso
    Otro
  3. 543

    Access and use of health care services by mothers and children in the Texas-Mexico border region: preliminary findings from the 2006 Rio Grande Valley health survey por Reagan, Patricia B., Pagán, José A.

    Publicado 2007
    “…Background: Latino/a children have the highest rate of uninsurance among all ethnic/racial groups. There is some evidence that patterns of health care use between parents and their children are interrelated. …”
    Enlace del recurso
    Artículo
  4. 544

    Trimetallic nanostructures: the case of AgPd–Pt multiply twinned nanoparticles por Khanal, Subarna, Bhattarai, Nabraj, Velázquez Salazar, J. Jesús, Bahena, Daniel, Soldano, German, Ponce, Arturo, Mariscal, Marcelo M., Mejía Rosales, Sergio, Yacamán, Miguel José

    Publicado 2013
    “…The nanoparticles were small in size, with an average diameter of 11 nm and a narrow distribution, and their characterization by aberration corrected scanning transmission electron microscopy allowed us to probe the structure of the particles at an atomistic level. In some nanoparticles, the formation of a hollow structure was also observed, that facilitates the alloying of Ag and Pt in the shell region and the segregation of Ag atoms on the surface, affecting the catalytic activity and stability. …”
    Enlace del recurso
    Artículo
  5. 545

    Thin films of Cu, In and Sb chalcogenides as photovoltaic absorbers por Ornelas Acosta, Raúl Ernesto

    Publicado 2015
    “…On the other hand, quaternary CZTSSe which contain abundant and inexpensive elements like Cu, Zn, Sn, S and Se has been a potential candidate for PV technology having solar cell efficiency up to 12.6%, however, there are still some challenges that must be accomplished for this material. …”
    Enlace del recurso
    Tesis
  6. 546

    Efecto de la microestructura y la concentración del ácido en la corrosión de aleaciones binarias Pb-Sn por Borrego Navejas, Rocío

    Publicado 2015
    “…Lead is a rare element in earth’s crust, but since it is found in concentrated deposits it can be produced at low cost, and ranks fifth in tonnage consumed after iron, copper, aluminum and zinc. Some of the many applications of lead are: automobile batteries, uninterruptible power sources, radiation shields in nuclear facilities or medical x-ray apparatus, etc. …”
    Enlace del recurso
    Tesis
  7. 547

    Estimación de los niveles ambientales de formaldehido en clínicas de odontopediatría. por Villarreal González, Adela Andrea

    “…ABSTRACT Introduction In any health profession, we are constantly obliged not only to ensure the health of our patients but also to value and ensure our health at all times, when we must ask ourselves if the materials we use for our routine treatments could cause us some adverse effect. objective Analyze the concentration of environmental formaldehyde levels in the postgraduate clinics of Pediatric Dentistry and Dental Modules. …”
    Enlace del recurso
    Tesis
  8. 548

    Thin films of Cu, In and Sb chalcogenides as photovoltaic absorbers por Ornelas Acosta, Raúl Ernesto

    Publicado 2015
    “…On the other hand, quaternary CZTSSe which contain abundant and inexpensive elements like Cu, Zn, Sn, S and Se has been a potential candidate for PV technology having solar cell efficiency up to 12.6%, however, there are still some challenges that must be accomplished for this material. …”
    Enlace del recurso
    Tesis
  9. 549

    Efecto de la microestructura y la concentración del ácido en la corrosión de aleaciones binarias Pb-Sn por Borrego Navejas, Rocío

    Publicado 2015
    “…Lead is a rare element in earth’s crust, but since it is found in concentrated deposits it can be produced at low cost, and ranks fifth in tonnage consumed after iron, copper, aluminum and zinc. Some of the many applications of lead are: automobile batteries, uninterruptible power sources, radiation shields in nuclear facilities or medical x-ray apparatus, etc. …”
    Enlace del recurso
    Tesis
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  18. 558

    ESTRUCTURA GENÉTICA DE TRES POBLACIONES MEXICANAS EN BASE AL SISTEMA HLA-A por Flores-Aréchiga, Amador, Gómez-Espinel, Irene A., Castro-Cárdenas, Luz A.

    Publicado 2009
    “…The multivariate analysis of principal components showed that the HLA-A system for these Mexican populations were genetically homogeneous and that the forensic parameters can be used into the legal system and in the association with some diseases. Key. Palabras clave: HLA-A, Mestizos, México, homogeneidad genética, forense, homogeneity, forensic…”
    Enlace del recurso
    Artículo
  19. 559

    EL ANÁLISIS POR COMPUTADORA DE DATOS CUALITATIVOS: REALIDAD O QUIMERA por Ramos Herrera, Igor Martín, Ramos Herrera, Laura Beatríz

    Publicado 2009
    “…The work concludes that one should make a strategy before the analysis begins deciding between using a computer program or making it by hand is a researcher’s job, and it always will be better to receive some training about methodology and qualitative analysis before using any computer program. …”
    Enlace del recurso
    Artículo
  20. 560

    CARACTERIZACIÓN DE LOS PROGRAMAS PARA LA PREVENCIÓN Y CONTROL DE DIABETES MELLITUS E HIPERTENSIÓN ARTERIAL EN EL PRIMER NIVEL DE ATENCIÓN EN SAN LUIS POTOSÍ (MEXICO) por Acosta Ramírez, Lucila Patricia, García Barrón, Alicia

    Publicado 2010
    “…At present around 5,1 million people it has DM and 15,1 million of Mexican it has some degree of HTA. In addition these pathologies emphasize by their serious complications. …”
    Enlace del recurso
    Artículo

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