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  1. 61

    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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    Lot production size problem and simulation of urban transport by Morales Marroquín, Miguel Lorenzo

    Published 2015
    “…Molds must be mounted on machines with their corresponding installation setup times. The key point of our methodology is to solve the single period lot-sizing decisions for the finished products together with the piece-mold and the mold-machine assignments, relaxing the constraint that a single mold may not be used in two machines at the same time. …”
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    Tesis
  4. 64

    Lot production size problem and simulation of urban transport by Morales Marroquín, Miguel Lorenzo

    Published 2015
    “…Molds must be mounted on machines with their corresponding installation setup times. The key point of our methodology is to solve the single period lot-sizing decisions for the finished products together with the piece-mold and the mold-machine assignments, relaxing the constraint that a single mold may not be used in two machines at the same time. …”
    Get full text
    Tesis
  5. 65

    Expectativas de los estudiantes de primer ingreso en la Maestria en Contaduría: Caso FACPYA (Expectations of first year students in the master of accounting: Case FACPYA) by Hernández Campos, Alfonso, Tamez Garza, Silverio, Leal Martínez, José Luis, Garza Coronado, Jessica Lizzet

    Published 2013
    “…The results indicate, among other things, that the two main areas of interest for future work to students are the Finance and Taxation, and that their interest is directed to work in the private sector in a corporate or large firm, practically leaving out the public sector. Experton points out that the learning process is easier to students through laboratory practical situations followed by lectures given by the professor, and videos of case studies. …”
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    Article
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    Design and manufacturing of a propeller for axial-flow fan by Almazo, D., Toledo, M., Rodríguez, C.

    Published 2012
    “…The design process begins by using algorithms in Matlab which output data contain the coordinates of the points that define the blade airfoils, in this case the NACA 6512 airfoil was used. …”
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    Article
  8. 68

    Empowering and Disempowering Motivational Climates, Mediating Psychological Processes, and Future Intentions of Sport Participation by Castillo Jiménez, Nallely, López Walle, Jeanette M., Tomás Marco, Inés, Tristán Rodríguez, José Leandro, Duda, Joan L., Balaguer Solá, Isabel

    Published 2022
    “…Furthermore, needs thwarting was positively and significantly related to the intention to dropout of sports participation. Findings point to the importance of fostering empowering climates and preventing the creation of disempowering climates in the grassroots football.…”
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    Article
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    Analyses of chondrogenic induction of adipose mesenchymal stem cells by combined co-stimulation mediated by adenoviral gene transfer by Garza Veloz, Idalia, Romero Díaz, Víktor J., Martínez Fierro, Margarita de la Luz, Marino Martínez, Iván Alberto, González Rodríguez, Manuel, Martínez Rodríguez, Herminia Guadalupe, Espinoza Juárez, Marcela Alejandra, Bernal Garza, Dante A., Ortiz López, Rocío, Rojas Martínez, Augusto

    Published 2013
    “…These were harvested at various time points for detection of cartilage-specific genes expression by quantitative real-time PCR or after 14 and 28 days for histologic and biochemical analyses detecting proteoglycans, collagens (II, I and X), and total sulfated glycosaminoglycan and collagen content, respectively. …”
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    Article
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    Síndrome de Burnout en instructores de inglés en escuelas primarias públicas. by Nava Gutiérrez, Juan Diego

    Published 2016
    “…With this as background, this project was formulated from interest in addressing the burnout syndrome instructors who teach English in public primary schools in the metropolitan area of Monterrey, performing comparative analyzes based on gender, area where they work and level of studies reached at the time of application; by a non-experimental design, transversal, and descriptive ex postfacto, with voluntary participation of 281 instructors. In order to collect data, it was considered to use the Burnout Questionnaire for Teachers Revised, with 66 items in 5 points Likert scale, to measure emotional exhaustion, depersonalization and lack of personal accomplishment, with a total α = 0.92 in the original study. …”
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  15. 75

    Análisis de factores psicosociales que influyen en el desempeño laboral de operadores en una planta manufacturera by Acosta Solano, Perla Angélica

    Published 2016
    “…Some of the problems encountered point to the urgent need to provide leadership courses to supervisors, as well as provide training for workers to be able to perform in different areas of the organization, developing activities involving the family is also recommended to improve the relationship of workers with the organization, and implement projects that involve the participation of psychologists who provide counseling and constant talks about mental health, stress management and more.…”
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    Tesis
  16. 76

    Síndrome de Burnout en instructores de inglés en escuelas primarias públicas. by Nava Gutiérrez, Juan Diego

    Published 2016
    “…With this as background, this project was formulated from interest in addressing the burnout syndrome instructors who teach English in public primary schools in the metropolitan area of Monterrey, performing comparative analyzes based on gender, area where they work and level of studies reached at the time of application; by a non-experimental design, transversal, and descriptive ex postfacto, with voluntary participation of 281 instructors. In order to collect data, it was considered to use the Burnout Questionnaire for Teachers Revised, with 66 items in 5 points Likert scale, to measure emotional exhaustion, depersonalization and lack of personal accomplishment, with a total α = 0.92 in the original study. …”
    Get full text
    Tesis
  17. 77

    Análisis de factores psicosociales que influyen en el desempeño laboral de operadores en una planta manufacturera by Acosta Solano, Perla Angélica

    Published 2016
    “…Some of the problems encountered point to the urgent need to provide leadership courses to supervisors, as well as provide training for workers to be able to perform in different areas of the organization, developing activities involving the family is also recommended to improve the relationship of workers with the organization, and implement projects that involve the participation of psychologists who provide counseling and constant talks about mental health, stress management and more.…”
    Get full text
    Tesis
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    Proporción de resultados del FMS™ entre distintas disciplinas deportivas en atletas universitarios by González Fimbres, Roberto Andrés, Griego Amaya, Héctor, Porras Hoyos, Alba Antonieta

    Published 2015
    “…There are three possible scores criteria for the FMS™, above 14 points means low injury risk, 14 points or less means high injury risk, or the subject feels pain/injured during screening process. …”
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    Article
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