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

    Published 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. …”
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    Tesis
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    Thermomechanical Performance of fr-4 Laminates in the Manufacturing Process of Printed Circuit Boards. by Rodríguez Vázquez, Carlos Alfonso

    Published 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. …”
    Get full text
    Tesis
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    ELEMENTS OF TRADITIONALISM IN LATIN AMERICAN THOUGHT by Davis, Harold

    Published 2021
    “…THE AUTHOR'S EFFORT in this study is to point out the influence of traditional elements in the thought of Latin America. …”
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    Article
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    Advances in Understanding of Taurine Functions in Fishes Across Species and Life Stages by P. Salze, Guillaume, Davis, D. Allen, Resley, Matthew, Rhody, Nicole, Maine, Kevan, Stuart, Kevin, Drawbridge, Mark

    Published 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). …”
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    Article
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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) by Saldaña, J., Palomo, M.

    Published 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. …”
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    Article
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    Perspectiva del recuerdo, valencia e intensidad emocional en adolescentes. by Vargas Martínez, Ramiro Emmanuel

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

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