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641
Zonificación ecológica de una comunidad dentro de un área natural protegida en el suroeste de Zacatecas.
Publicado 2020“…To perform a multitemporal analysis of the change of land cover within the community and obtain habitat transformation rates, satellite images of Landsat missions were used to assess the effectiveness of the establishment of the NPA over time. A community zoning scheme is proposed, presenting areas for productive, protection, conservation and restoration activities.…”
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645
Globalización: Las tecnologías de la información como reto actual de los negocios
Publicado 2014Enlace del recurso
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646
CONSUMO DE ALCOHOL, TABACO Y OTRAS DROGAS EN JÓVENES UNIVERSITARIOS
Publicado 2017“…Results In the present study, 49% were women and 51% men, 84.6% consume some alcohol, and beer was the preferred drink. 26.7% are smokers, with a higher representation for men (over 33.5%) while women were 19.7% showing statistically significant difference (p<0.01). 12.8% of the surveyed people used illegal drugs in the last month, and 23.8% in the last year. 35.9% consumed some illicit drug at least once in their life, the main illegal drug used was marijuana. …”
Enlace del recurso
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647
MANEJO DEL FUEGO EN HUMEDALES DE LA RESERVA DE BIÓSFERA LA ENCRUCIJADA
Publicado 2024Enlace del recurso
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652
Estrategias Maternas de Alimentación y Actividad Física para prevenir la Diabetes Mellitus Tipo II en Hijos Escolares
Publicado 2017“…Conclusion: Children, when exercising healthy behaviors, mothers praise them and have a greater control over them in favor of doing the most desirable in their physical activity and if they, in contrast, perform unhealthy behaviors regarding to their nutrition will be limited, supervised and sanctioned such conducts. …”
Enlace del recurso
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653
Caracterización del agente etiológico de la necrosis hepatopancreatica (nhp) y su impacto en cultivos de camarón Litopenaeus vannamei en Sonora, México
Publicado 2006“…On this study, the first systematic monitoring for NHP in six shrimp farms located in Sonora was performed during the 2004 culture cycle, mainly by the scarcity of studies over rickettsial infections in L. vannamei. Presumptive diagnosis was based in light microscopy (LM, wet-mounts and H&E stained sections of hepatopancreata) while confirmative identification were realized by isolation of the bacteria in Percoll gradients, polymerase chain reaction (PCR) and negative stains for transmission electron microscopy (TEM), looking for differentiate NHP from bacteria genus vibrio. …”
Enlace del recurso
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654
Prevalence of eosinophilic esophagitis: A multicenter study on a pediatric population evaluated at thirty-six Latin American gastroenterology centers
Publicado 2019“…Introduction and objective: Eosinophilic esophagitis is a chronic, immune-mediated disease described in case series and publications worldwide. Over the past twenty years, the authors of different studies have attempted to evaluate its incidence and prevalence. …”
Enlace del recurso
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655
Gender-bias in education opportunities for population aged 12-18 in Mexico: 1992-2004
Publicado 2007“…However, this education discrimination against male children has been decreasing over the years. It is also found that female head of households are more likely to have children with higher levels of schooling and that children having both parents at home or having older brothers or sisters present higher levels of educational attainment.…”
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656
Caracterización del agente etiológico de la necrosis hepatopancreatica (nhp) y su impacto en cultivos de camarón Litopenaeus vannamei en Sonora, México
Publicado 2006“…On this study, the first systematic monitoring for NHP in six shrimp farms located in Sonora was performed during the 2004 culture cycle, mainly by the scarcity of studies over rickettsial infections in L. vannamei. Presumptive diagnosis was based in light microscopy (LM, wet-mounts and H&E stained sections of hepatopancreata) while confirmative identification were realized by isolation of the bacteria in Percoll gradients, polymerase chain reaction (PCR) and negative stains for transmission electron microscopy (TEM), looking for differentiate NHP from bacteria genus vibrio. …”
Enlace del recurso
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657
ANÁLISIS DEL NIVEL DE INGLÉS DE FUTUROS LICENCIADOS EN NUTRICIÓN DE LA FACULTAD DE SALUD PÚBLICA Y NUTRICIÓN EN EL CURSO COMPETENCIA COMUNICATIVA EN INGLÉS
Publicado 2016“…In the academic area, over 90% of students own a personal computer and have access to Internet at home; only 55.6% of students take this subject in the scheduled semester in the curricula. …”
Enlace del recurso
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658
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659
Grado y nivel de acción de nanopartículas de metal y compuestos bioactivos naturales contra el virus de sarampión.
Publicado 2017“…Se evaluó la citotoxicidad de NPs de plata con extracto de alga verde (AgNPs-UC), Nanopartículas de Oro con quitosano (AuNPs-Cts) y Nanopartículas de Oro con extracto de Ajo (AuNPs-As) y sus componentes por la técnica colorimétrica MTT obteniendo valores de citotoxicidad al 50% (CC50)= 4.71μg/mL para AgNPs-UC, 9.27μg/mL para las AuNPs-Cts y 141.75μg/mL para AuNPs-As. …”
Enlace del recurso
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660
Procesamiento y estudio preliminar de un material compuesto de matriz AlSi₁₀Mg reforzado con nanopartículas de Ti mediante aleado mecánico.
Publicado 2020“…Obtenidas las pastillas se continuó con el sinterizado al 60%, 70% y 80% de la temperatura de fundición del aluminio y luego con el lijado de estas (también se dejaron unas muestras en verde), para realizar su posterior caracterización. …”
Enlace del recurso
Tesis