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  1. 141

    Thermomechanical Performance of fr-4 Laminates in the Manufacturing Process of Printed Circuit Boards. por Rodríguez Vázquez, Carlos Alfonso

    Publicado 2016
    “…In 2006 the Restriction of Hazardous Substances (RoHS) prohibited the use of lead (Pb) in solder paste, which has a melting temperature around 180oC, whereas lead-free solder pastes have a melting point around 230oC, 30oC-40oC higher than Pb solder paste, this has generated PCB thermo mechanical problems due to the temperature increase at which the material is exposed. …”
    Enlace del recurso
    Tesis
  2. 142
  3. 143

    Comparisons of the Root Mechanical Properties of three Native Mexican Tree Species for Soil Bioengineering Practices por Sánchez Castillo, Laura Margarita, Kubota, Tetsuya, Cantú Silva, Israel, Yáñez Díaz, María Inés, Hasnawir, Pequeño Ledezma, Miguel Angel

    Publicado 2017
    “…In other hand, results confirmed the negative relationship between diameter and tensile strength and diameter and modulus of elasticity. Pointing out that roots of bigger diameter have less tensile strength and elasticity. …”
    Enlace del recurso
    Artículo
  4. 144

    CALIDAD BACTERIOLOGICA DE ENSALADAS DE ZANAHORIA RALLADA Y EFICACIA DE TRATAMIENTOS PREVIOS A SU CONSUMO por Gentili Alejandro, Raúl, Marzocca, María Alejandra, Oriani, Alejandra Soledad, Baldini, Mónica Diana

    Publicado 2017
    “…Discussion: It should be pointed out the importance of the microbiological quality of raw material, since the 35% of the samples do not reach the requirements even applying the treatment with hypochlorite. …”
    Enlace del recurso
    Artículo
  5. 145
  6. 146

    Efectos del tipo de cambio en el resultado de empresas mexicanas. (effect of the exchange rate on mexican companies' net results) por González Gámez, Juan Manuel, Durán Crespo, Mireyda, Domínguez, Elizabeth, Treviño Saldívar, Eduardo Javier

    Publicado 2014
    “…The temporal series of study are the interbank exchange rate of the 2014 in its average price issued by Banco de México. As a starting point for carrying out the analysis for you will observe the behavior of the costs and expenses to the current exchange rate; the analysis shall be carried out of the states of financial situation on monetary items, and display the financial information published by these entities in dollars and Mexican pesos. …”
    Enlace del recurso
    Artículo
  7. 147
  8. 148

    Perspectiva del recuerdo, valencia e intensidad emocional en adolescentes. por Vargas Martínez, Ramiro Emmanuel

    Publicado 2018
    “…They answered two scalar questions series with five points of rating degrees for eight emotional states, four positive and four negative valence. …”
    Enlace del recurso
    Tesis
  9. 149

    Perspectiva del recuerdo, valencia e intensidad emocional en adolescentes. por Vargas Martínez, Ramiro Emmanuel

    Publicado 2018
    “…They answered two scalar questions series with five points of rating degrees for eight emotional states, four positive and four negative valence. …”
    Enlace del recurso
    Tesis
  10. 150

    EVALUACIÓN DE RIESGO A LA SALUD EN LA COMUNIDAD DE LOMA BLANCA (DISTRITO DE RIEGO 009) VALLE DE JUAREZ (MEXICO), POR EXPOSICIÓN A AGUAS RESIDUALES NO TRATADAS por Garza Almanza, Victoriano, Fernández Salas, Ildefonso, Badii, Mohammad, Flores Suárez, Adriana, Hauad Marroquín, Leticia, Villarreal Rivera, Leticia

    Publicado 2001
    “…The result of the evaluation points out that the category of risk is high. Theconclusion is based on the analysis of data on the environment, characteristic of housing, habits ofconsumption of water and vegetables, perception of the risk on the part of the community, andmorbidity levels.Palabras calve: Loma Blanca, Valle de Juarez, valoración del riesgo, aguas residuales, risk value, residual waters.…”
    Enlace del recurso
    Artículo
  11. 151
  12. 152
  13. 153
  14. 154
  15. 155

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

    Publicado 2005
    “…In this article the eonomic impact of of quality on operation costs of the ompanies, highlithing tow following factors: 1) poor quality cost, and 2) quality cost are pointed out is described. The theory behind the quality cost is discussed and a case in the metropolitan area of Monterrey with the objective of exploring the fenomenon of quality and its imoact on the related costa is given. …”
    Enlace del recurso
    Artículo
  16. 156

    Pintura y realismo, el juego de la representación = Painting and realism, the game of representation por Morales Orona, Héctor Manuel

    Publicado 2012
    “…ENGLISH: This article tries to come closer the topic of the realism from a point of view that concerns the painting using for it of concepts extracted from some philosophers’ texts that indicated the limits in which the art and the philosophy join. …”
    Enlace del recurso
    Artículo
  17. 157

    Innovación en servicios en la era del conocimiento = Services innovation in the era of knowledge por Cruz Reyes, Rafael

    Publicado 2008
    “…The understanding of this issue is very important to service providers companies, because they could adjust their innovation process more according to a service development model than an adapted product development one. This article points out the characteristics of the new knowledge era, the importance of innovation in services sector in this new economy and the typologies available for services with the purpose to help in the evaluation or adjustment of the firm’s innovation process that fall in this segment.…”
    Enlace del recurso
    Artículo
  18. 158

    Innovación en servicios en la era del conocimiento (Services innovation in the era of knowledge) por Cruz Reyes, Rafael

    Publicado 2008
    “…The understanding of this issue is very important to service providers companies, because they could adjust their innovation process more according to a service development model than an adapted product development one. This article points out the characteristics of the new knowledge era, the importance of innovation in services sector in this new economy and the typologies available for services with the purpose to help in the evaluation or adjustment of the firm’s innovation process that fall in this segment.…”
    Enlace del recurso
    Artículo
  19. 159
  20. 160

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