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  1. 81

    Evaluación de la calidad del agua de tres ríos de la subcuenca del “Río Limón” en el estado de Nuevo León by Ríos Saucedo, Julio César

    Published 2005
    “…Abstract The contamination of streams can be of point and non-piont or diffuse origin. In the area of Linares, land use changes, agricultural, and grazing practices leed to non point sources of contamination of streams. …”
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    Tesis
  2. 82
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    Gestión de la seguridad de las empresas prestadoras de servicio logístico en Colombia by Duran Romero, Danid Esther, Lechuga Cardozo, Jorge Isaac, Guisao Giraldo, Erica Yaneth

    Published 2020
    “…The total number of respondents is certified in the BASC Standard, but only 43% certified in ISO 28000, the operators point out that the involvement with suppliers and the cultural change in the organization are obstacles to the implementation of ISO 28000. …”
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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
    “…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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    Tesis
  13. 93

    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
  14. 94

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

    Published 2016
    “…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
  15. 95

    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
  16. 96
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    Análisis de expresión de genes de Mycobacterium tuberculosis durante la infección a macrófagos by Barrios García, Hugo Brígido

    Published 2006
    “…THP-1 cells monolayers differentiated to macrophages by phorbol myristate acetate (PMA) were infected with M. tuberculosis strains CDC1551, H37Rv and DR689 with a variable multiplicity of infection (MOI): 10:1, 1:1 and 0.1:1 (bacteria:macrophage) and incubated at various time points. Cytotoxicity was observed as areas of clearing and cell agglomeration and the effect was dependent on bacilli inoculum and incubation time. …”
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    Tesis
  18. 98

    Análisis de expresión de genes de Mycobacterium tuberculosis durante la infección a macrófagos by Barrios García, Hugo Brígido

    Published 2006
    “…THP-1 cells monolayers differentiated to macrophages by phorbol myristate acetate (PMA) were infected with M. tuberculosis strains CDC1551, H37Rv and DR689 with a variable multiplicity of infection (MOI): 10:1, 1:1 and 0.1:1 (bacteria:macrophage) and incubated at various time points. Cytotoxicity was observed as areas of clearing and cell agglomeration and the effect was dependent on bacilli inoculum and incubation time. …”
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    Tesis
  19. 99

    Farmacorresistencia en aislamientos clínicos de Clostridium difficile asociados a los genes de resistencia cfr, rpoB y rpoC. by Sánchez Alanís, Hugo

    Published 2017
    “…The resistance profiles of 128 clinical isolates of C. difficile were analyzed, the presence of the cfr gene was analyzed by end-point PCR, and by PCR product sequencing the mutations related to resistance to vancomycin, rifampicin and reduction of susceptibility to fidaxomicin. …”
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  20. 100

    Estudio diagnóstico serológico de la brucelosis humana en el estado de Nuevo León by Navarro Soto, Magda Celina

    Published 2017
    “…However, satisfactory results were not obtained for the Immunocapture test which showed an AUC of 0.582 (95% CI 0.492- 0.669; SE 0.103). The cut-off point was selected in a titre greater than or equal to 320. …”
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    Tesis

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