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    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
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    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
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    Morphological and Genetic Variation in Mexican Wild Populations ofTamarixia radiata(Hymenoptera: Eulophidae) por Peña Carrillo, Kenzy Ivveth, González Hernández, Alejandro, López Arroyo, J. Isabel, Mercado Hernández, Roberto, Favela Lara, Susana

    Publicado 2015
    “…Haplotype H2 was found in both studied regions and more frequently than haplotype H1, which was collected only in the northeast (Tamaulipas state), suggesting possible points of gene flow between Mexico and the USA. Our results have implications for the extensive use of T. radiata in biological control programs of the Asian citrus psyllid.…”
    Enlace del recurso
    Artículo
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    Composición y estructura de las comunidades de poliquetos (Annelida) asociadas a fondos blandos de la costa occidental de la península de Baja California, México por Prado Navarro, Andrea, Díaz Castañeda, Victoria, Leija Tristán, Antonio, De León González, Jesús Ángel

    Publicado 2016
    “…ABSTRACT Polychaetes are one of the most important groups of the benthos from any point of view. The present study aims to characterize the species richness of polychaete fauna of the West Coast of Baja California, from the mouth of Magdalena Bay to Punta Colonet. …”
    Enlace del recurso
    Artículo
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    ELEMENTS OF TRADITIONALISM IN LATIN AMERICAN THOUGHT por Davis, Harold

    Publicado 2021
    “…THE AUTHOR'S EFFORT in this study is to point out the influence of traditional elements in the thought of Latin America. …”
    Enlace del recurso
    Artículo
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    La perspectiva histórica y sus aportes para el Sistema Agroalimentario Localizado (SIAL) en la región citrícola de Nuevo León por Pantoja Zavala, Gerardo, Servín Herrera, Beatriz Adriana, Puente Quintanilla, Julio César, Oucher, Francois

    Publicado 2017
    “…This knowledge of the past, is key to the starting point of the analysis of Localized Agro-food Systems (SIAL), which strengthen interdisciplinarity by combining historical, economic and cultural knowledge. …”
    Enlace del recurso
    Artículo
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    Advances in Understanding of Taurine Functions in Fishes Across Species and Life Stages por P. Salze, Guillaume, Davis, D. Allen, Resley, Matthew, Rhody, Nicole, Maine, Kevan, Stuart, Kevin, Drawbridge, Mark

    Publicado 2015
    “…Although the current state of knowledge is biased toward high-value marine carnivorous species, evidence points to functional differences among species (e.g., bile salt conjugation, osmoregulation, membrane stability). …”
    Enlace del recurso
    Artículo
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    El valor de la cartera de clientes de empresas de telecomunicaciones en México (The value of customer portfolio for telecommunication companies in Mexico) por Saldaña, J., Palomo, M.

    Publicado 2006
    “…Nevertheless, only few companies have bothered to evaluate if their desirable individual customers are, from the risk stand point, are desirable collective customers based on the customers´ value change. …”
    Enlace del recurso
    Artículo
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