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3181
Método analítico para detectar hidrocarburos aromáticos policíclicos en agua potable
Published 2001“…El tratamiento de la muestra emplea Extracción en Fase Sólida (EFS) y concentración con Kuderna-Danish.…”
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3182
El comportamiento del profesor en la interacción en un estudio de casos del nivel primaria
Published 2010“…La investigación que se presenta aborda el comportamiento del profesor en la clase práctica (fase interactiva).Por lo que el objetivo general fue conocer los comportamientos del profesor durante la clase de educación física, según el tipo de sesión y experiencia práctica del profesorado.…”
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3183
Características que influyen al error humano en la toma de decisiones estratégicas de los niveles directivos en la Industria Siderúrgica Mexicana (Characteristics that influence hu...
Published 2018“…Dentro de los factores, se determinaron entre otros la emocionalidad, la complejidad cognitiva, el tiempo y el contexto. …”
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3184
Preparation and Characterization of Cu and Ni on Alumina Supports and Their Use in the Synthesis of Low-Temperature Metal-Phthalocyanine Using a Parallel-Plate Reactor
Published 2013“…Ni- and Cu/alumina powders were prepared and characterized by X-ray diffraction (XRD), scanning electronic microscope (SEM), and N2 physisorption isotherms were also determined. The Ni/Al2O3 sample reveled agglomerated (1 μm) of nanoparticles of Ni (30–80 nm) however, NiO particles were also identified, probably for the low temperature during the H2 reduction treatment (350 °C), the Cu/Al2O3 sample presented agglomerates (1–1.5 μm) of nanoparticles (70–150 nm), but only of pure copper. …”
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3185
Preparation and characterization of Cu and Ni on alumina supports and their use in the synthesis of low-temperature metal-phthalocyanine using a parallel-plate reactor
Published 2013“…Ni- and Cu/alumina powders were prepared and characterized by X-ray diffraction (XRD), scanning electronic microscope (SEM), and N2 physisorption isotherms were also determined. The Ni/Al2O3 sample reveled agglomerated (1 μm) of nanoparticles of Ni (30–80 nm) however, NiO particles were also identified, probably for the low temperature during the H2 reduction treatment (350 °C), the Cu/Al2O3 sample presented agglomerates (1–1.5 μm) of nanoparticles (70–150 nm), but only of pure copper. …”
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3186
Estimación de los niveles ambientales de formaldehido en clínicas de odontopediatría.
“…ABSTRACT Introduction In any health profession, we are constantly obliged not only to ensure the health of our patients but also to value and ensure our health at all times, when we must ask ourselves if the materials we use for our routine treatments could cause us some adverse effect. …”
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3187
Gonotrophic cycle estimate for Culex quinquefasciatus in Mérida, Yucatán, México
Published 2008“…Culex quinquefasciatus, one of the main vectors of WNV transmission in the United States, is also common in Mexico and may be a key vector of WNV transmission to humans in the Yucatán. …”
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3188
Synthesis and physicochemical characterization of photo crosslinked hydrogels of alginate/gelatin and a-tocopherol nanocapsules for their potential use as biomaterials
Published 2019“…Also, 13 nanocapsule formulations were made and analyzed employing the nanoprecipitation technique, where it was observed that by modifying the concentrations of the solvents, smaller diameters of the nanocapsules were obtain and using different extraction methods, its encapsulation efficiency and antioxidant activity were improved…”
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3189
Structural characterization of the equatorial F region plasma irregularities in the multifractal context
Published 2020“…Differences in terms of scaling and complexity in the data belonging to different types of phenomena are also addressed.…”
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3190
Diversity of midgut microbiota in ticks collected from white-tailed deer (Odocoileus virginianus) from northern Mexico
Published 2024“…These results constitute the initial report on these bacteria, and this is also the first study to characterize the microbiome of O. megnini.…”
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3191
Cosmological perturbation theory in f(Q,T) gravity
Published 2022“…These results might also enable to test f(Q, T) gravity with CMB and standard siren data that will help to determine if these models can reduce the Hubble constant tension and if they can constitute an alternative to the ΛCDM model.…”
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3192
Edible film based on candelilla wax to improve the shelf life and quality of avocado
Published 2009“…A sensory evaluation of avocados coated with the best edible film was also performed. Edibel films were able to reduce significantly the damage caused by C. gloeosporioides, reducing also significantly the change in appearance and weight loss in the fruits. …”
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3193
Vicio, virtud y victimización: ¿De qué sirve portarse bien?
Published 2012“…One implication from this exercise is that drinking alcohol is not just bad for one’s health; it is also bad for one’s personal safety.…”
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3194
Trimetallic nanostructures: the case of AgPd–Pt multiply twinned nanoparticles
Published 2013“…In some nanoparticles, the formation of a hollow structure was also observed, that facilitates the alloying of Ag and Pt in the shell region and the segregation of Ag atoms on the surface, affecting the catalytic activity and stability. …”
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3195
Estimación de los niveles ambientales de formaldehido en clínicas de odontopediatría.
“…ABSTRACT Introduction In any health profession, we are constantly obliged not only to ensure the health of our patients but also to value and ensure our health at all times, when we must ask ourselves if the materials we use for our routine treatments could cause us some adverse effect. …”
Get full text
Tesis -
3196
Synthesis and physicochemical characterization of photo crosslinked hydrogels of alginate/gelatin and a-tocopherol nanocapsules for their potential use as biomaterials
Published 2019“…Also, 13 nanocapsule formulations were made and analyzed employing the nanoprecipitation technique, where it was observed that by modifying the concentrations of the solvents, smaller diameters of the nanocapsules were obtain and using different extraction methods, its encapsulation efficiency and antioxidant activity were improved…”
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3197
El Consumo Energético en la Agricultura: Desafíos y Oportunidades
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3198
Formación de operadores del sistema de justicia penal y cultura de la paz
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3199
Compendio de investigaciones en enfermería
Published 2019“…Resultados: El grupo de alumnos en una primera fase transita de principiante a experto al desarrollar el rol de mentor al apropiarse de la metodología de la diagramación de procesos, en una segunda fase transita de principianta a experto al apropiarse de la experiencia clínica a través del proceso dialógico de análisis crítico reflexivo de igual a igual con el grupo de la gerencia en enfermería, mentor y mentorizado interactúan cada uno de ellos con su nivel de experto surgiendo las propuestas conjuntas para la creación de la diagramación de procesos primarios. …”
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Libro -
3200
Aislamiento de fallas a partir de mediciones de entrada-salida.
Published 2016“…La propuesta de solución para el problema de aislamiento de fallas con generadores de residuos basados en observadores diseñados a partir de datos, está inspirado en la idea utilizada en los métodos de diagnóstico basados en redes neuronales, en los cuales existe una primera fase de entrenamiento en la que se selecciona las ponderaciones de la red neuronal y una segunda fase en la que se aplica la red neuronal diseñada en el diagnóstico de fallas. …”
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