Resultados de búsqueda - CHHP~

Rendimiento diagnóstico de la prueba RT-PCR para dengue, zika y chikungunya en orina por Alfaro Rivera, Christian Gerardo

“…Material y Métodos: Se realizó una búsqueda de expedientes a quienes se haya realizado una prueba rt-PCR para DENV, ZIKV; CHKV en suero y orina del 1ero de septiembre del 2016 al 30 de septiembre del 2019. …”
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Una propuesta metodológica para la evaluación del proceso de enseñanza-aprendizaje en un ambiente virtual (A methodologica proposal to evaluate teaching-learning process in a vi... por Fernández, F., Torrealba, J.C., Pineda, O., Tijerina, A.

“…This article provides a methodological proposal oriented to optimize the assessment process of a student performance on an on line environment through the application of group communication techniques (advisor-student, student-advisor, studentstudent, student-chat and so on) and widespread use of the new technologies on information and telecommunication as basic tools, based one the process follow-up and statistical data collection from the student´s learning performance and behaviour to enable the construction of significant and reliable indexes thus allowing the advisor a diagnostic on the student´s attitude and performance, allowing him to take on time the adequate preventive/corrective decision measures based on a success/failure tests outputs from the student performance, on a day- to- day basis, on the line environment.Resumen. …”
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Las organizaciones públicas en responsabilidad con la mujer como grupo vulnerable por Arango Morales, Xóchitl A., Hernández Paz, Abraham Alfredo

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Una propuesta metodológica para la evaluación del proceso de enseñanza-aprendizaje en un ambiente virtual por Fernández, F., Torrealba, J. C., Pineda, O., Tijerina, A.

“…Este artículo ofrece una propuesta metodológica enfocada a optimizar el proceso de evaluación sobre el aprovechamiento del alumno en un entorno en línea mediante técnicas de comunicación grupal (tutor- alumno, alumno-tutor, alumno-alumno, alumno-chat, programa, etc.) y el uso profuso de las nuevas tecnologías de información y telecomunicación como herramientas básicas, mediante un seguimiento y registro estadístico del aprovechamiento y actitudinal del estudiante, posibilitando así la construcción de índicessignificativos, seguros y confiables, que permitan al instructor/facilitador disponer de un diagnóstico sobre el comportamiento y actitud del aplicar y aplicar en consecuencia las medidas preventivas/correctivas sobre la conducta continuamente observada del alumno en el entorno en línea.…”
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El rectorado de Gregorio Farías Longoria por Derbez García, Edmundo

“…Alguna ocasión, Roberto Chapa, quien fuera contralor de la UANL, hizo mención  de la necesaria valoración de los seis años del periodo de este rector. …”
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Vasodilator Activity of Compounds Isolated from Plants Used in Mexican Traditional Medicine por Luna Vázquez, Francisco, Ibarra Alvarado, César, Camacho Corona, María del Rayo, Rojas Molina, Alejandra, Rojas Molina, J., García, Abraham, Bah, Moustapha

“…Subsequently, involvement of the NO/cyclic guanosine monophosphate (cGMP) and H2S/ATP-sensitive potassium channel (KATP) pathways on the vasodilator activity of these compounds was assessed. …”
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Global Trends in Aquaculture and Feed Ingredient Use in Compound Aquafeeds por J. Tacon, Albert G.

“…By region, Asia accounted for over 91.2 percent of total global aquaculture production in 2011 (APR 8.46 percent since 1984), followed by the Americas at 3.53 percent (APR 7.59 percent), Europe at 3.20 percent (APR 3.99 percent), Africa at 1.84 percent (APR 14.82 percent), and Oceania at 0.25 percent (APR 9.02 percent).In terms of the major farmed species groups in 2011, finfish accounted for 41.6 million tonnes or 49.8 percent of total global aquaculture production in 2011 (valued at US $ 83.6 billion, with over 102 reported fish species, and production growing at an average APR of 8.85 percent since 1984), followed by aquatic plants at 21.0 million tonnes or 25.1% of total global production (valued at US $ 5.5 billion, with 12 reported aquatic plant species, and production growing at an average APR of 7.16 percent since 1984), molluscs at 14.4 million tonnes or 17.2 percent of total global production (valued at US $ 15.3 billion, with 27 reported mollusk species, and production growing at an average APR of 7.17 percent since 1984), and crustaceans at 5.9 million tonnes or 7.0 percent of total global production (valued at US $ 28.4 billion, with 15 reported crustacean species, and production growing at an average APR 13.1 percent since 1984; FAO, 2013).The total production of the major finfish and crustacean species groups fed industrially compounded or farm-made aquafeeds was reported to be 40.57 million tonnes in 2011 (FAO, 2013), with total global industrial compound aquafeed production estimated at approximately 35.75 million tonnes; the major compound feed fed species groups including: Chinese carp at 11.76 million tonnes (excluding silver carp and big head carp) with an estimated total compound aquafeed requirement of 10.19 million tonnes; Tilapia at 3.96 million tonnes with an estimated total compound aquafeed requirement of 5.79 million tonnes or 16.2 percent of total global compound aquafeed production;Shrimp at 3.93 million tonnes with an estimated total compound feed requirement of 5.54 million tonnes or 15.5 percent of total global compound aquafeed production; Catfish at 3.38 million tonnes with an estimated total compound feed requirement of 3.70 million tonnes or 10.3 percent of total global compound aquafeed production; Marine fish at 2.01 million tonnes with an estimated total compound feed requirement of 2.82 million tonnes or 7.9 percent of total global compound aquafeed production; Other freshwater and diadromous fish at 1.94 million tonnes with an estimated total compound feed requirement of 1.24 million tonnes or 3.5 percent of total global compound aquafeed production; Salmon at 1.93 million tonnes with an estimated total compound feed requirement of 2.51 million tonnes or 7.0 percent of total global compound aquafeed production; Freshwater crustaceans at 1.67 million tonnes with an estimated total compound feed requirement of 1.71 million tonnes or 4.8 percent of total global compound aquafeed production; Milkfish at 891,407 tonnes with an estimated total compound feed requirement of 820,000 tonnes or 2.3 percent of total global compound aquafeed production; Trout at 791,959 tonnes with an estimated total compound feed requirement of 1.03 million tonnes or 2.9 percent of total global compound aquafeed production; Eel at 255,284 tonnes with an estimated total compound feed requirement of 392,000 tonnes or 1.1 percent of total global compound aquafeed production in 2011.In terms of feed ingredient usage, the compound aquafeed sector still remains the largest consumer of fishmeal and fish oil, aquaculture consuming 78 percent of total global fish oil production in 2011 (major aquaculture species group consumer being salmonids at 66 percent followed by marine fish at 17 percent) and 68% of total global fishmeal production in 2011 (major aquaculture species group consumer being crustaceans at 30 percent, followed by salmonids at 22 percent, and marine fish at 21 percent; Dr Andrew Jackson, personal communication, The Marine Ingredients Organization, http://iffo.net). …”
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Aberration-corrected electron microscopy of nanoparticles por Yacamán, Miguel José, Santiago, Ulises, Mejía Rosales, Sergio

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Complex dynamical network control for trajectory tracking using delayed recurrent neural networks por Pérez Padrón, José Paz, Pérez Padrón, Joel, Flores Hernández, Ángel, Arroyo Garza, Santiago

“…To illustrate the analytic results, we present a tracking simulation of a dynamical network with each node being just one Lorenz’s dynamical system and three identical Chen’s dynamical systems.…”
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Análisis de la deformación progresiva en la zona sur del sector transversal de Parras y la saliente de Monterrey, México por Ramírez Peña, César Francisco

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Análisis de la deformación progresiva en la zona sur del sector transversal de Parras y la saliente de Monterrey, México por Ramírez Peña, César Francisco

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Percepciones estudiantiles y retos docentes ante la Inteligencia Artificial Generativa en la Educación Superior por Villanueva Valadez, Carlos, Torres Flores, Sergio Guadalupe

“…La educación superior atraviesa un proceso de transformación sustancial derivado de la incorporación de herramientas de inteligencia artificial generativa (IAG), como ChatGPT, que han automatizado tareas académicas y de investigación, favoreciendo un acceso más ágil a la información. …”
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Metabolomic and biodirected phytochemical study of Hechtia glomerata, evaluation of its antibacterial and cytotoxic activity, and determination of the mechanism of action of one ac... por Stefani, Tommaso

“…For these reasons it was decided to focus on the CHCl3/MeOH extract, which presented activity against PC3 and was slightly active against MCF7 cell lines. …”
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Metabolomic and biodirected phytochemical study of Hechtia glomerata, evaluation of its antibacterial and cytotoxic activity, and determination of the mechanism of action of one ac... por Stefani, Tommaso

“…For these reasons it was decided to focus on the CHCl3/MeOH extract, which presented activity against PC3 and was slightly active against MCF7 cell lines. …”
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Structural, microstructural and electrical properties of vitrium-doped barium titanate for multilayer CERAMIC CAPACITORS por Hernández López, Ana María

“…This is a noteworthy ferroelectric material because it has a high ferroelectric activity, dielectric constant and spontaneous polarization (Li, Xu, Chu, Fu, & Hao, 2009) and presents a high resistivity (1010–1012 Ω cm) (Belous, V’yunov, Glinchuk, Laguta, & Makovez, 2008). …”
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Hypothesis test for changes in variance using a statistic based in P-values in a time series of normal independent observations. por Armendáriz Hernández, Samuel Uriel

“…The power of the test was simulated using Monte Carlo simulation, and the results were compared with the Chen test (1997) to prove its efficiency. Time series analysts might find the test useful to address homoscedasticity studies were at most one change might be involved.…”
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Structural, microstructural and electrical properties of vitrium-doped barium titanate for multilayer CERAMIC CAPACITORS por Hernández López, Ana María

“…This is a noteworthy ferroelectric material because it has a high ferroelectric activity, dielectric constant and spontaneous polarization (Li, Xu, Chu, Fu, & Hao, 2009) and presents a high resistivity (1010–1012 Ω cm) (Belous, V’yunov, Glinchuk, Laguta, & Makovez, 2008). …”
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Hypothesis test for changes in variance using a statistic based in P-values in a time series of normal independent observations. por Armendáriz Hernández, Samuel Uriel

“…The power of the test was simulated using Monte Carlo simulation, and the results were compared with the Chen test (1997) to prove its efficiency. Time series analysts might find the test useful to address homoscedasticity studies were at most one change might be involved.…”
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Adaptación a WhatsApp y re-estandarización del trabajo periodístico en Bolivia por Quintanilla-Sangueza, Victor

“…Finalmente, la lógica de conectividad detrás de la plataforma de chat móvil pone a los periodistas en una relación de dependencia con la tecnología que precariza su vida laboral y personal. …”
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La evaluación del alumno en un proceso de enseñanza-aprendizaje en la modalidad virtual. por Tijerina Garcia, Armando

“…Este artículo ofrece una propuesta enfocada a optimizar el proceso de evaluación sobre el aprovechamiento del alumno, en un ambiente virtual, mediante el concepto GROUPWARE: (Colaborativo/Cooperativo), técnicas de comunicación grupal (profesor/tutor-alumno, alumno-alumno, alumno-chat, programa, etc.), utilizando las Nuevas tecnologías de Información y las Comunicaciones [NTIC’s], como herramientas básicas, llevando el registro y seguimiento estadístico del aprovechamiento actitudinal del estudiante, posibilitando así, el uso y la construcción de índices significativos, seguros y fiables, que permitan al instructor/facilitador/tutor, gestionar de un diagnóstico, sobre el comportamiento, esfuerzo, dedicación y actitud del aprendiz, obteniendo como resultado la participación integra del alumno en los cursos tomados en la plataforma colaborativa permitiendo en consecuencia las medidas preventivas/correctivas sobre la conducta continuamente observada del alumno en el entorno en línea.…”
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