Resultados de búsqueda - ( altors OR ( (acto OR also) OR ((faces OR acta) OR ((factor OR parto) OR acts)) ))*

  1. 2721

    Victimización, polivictimización e ideación suicida en jóvenes de Matamoros durante la pandemia por Covid-19, un estudio exploratorio por Alejandro Martínez Hernández, Karla Villarreal Sotelo, Fabiola Peña Cárdenas & Carolina Landero Pérez

    Publicado 2022
    “…Y es que los cambios drásticos en el estilo de vida y el confinamiento pudieran ser un factor detonante para la exacerbación de la violencia en distintos contextos, y salud mental que pueden afectar a los adolescentes y jóvenes. …”
    Enlace del recurso
    Artículo
  2. 2722

    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 por Sánchez de la Torre, Fernando, De la Rosa, Javier, Kharisov, Boris I., Lucio Ortiz, Carlos J.

    Publicado 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. …”
    Enlace del recurso
    Artículo
  3. 2723

    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 por Sánchez de la Torre, Fernando, De la Rosa, Javier, Kharisov, Boris I., Lucio Ortiz, Carlos J.

    Publicado 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. …”
    Enlace del recurso
    Artículo
  4. 2724

    Estimación de los niveles ambientales de formaldehido en clínicas de odontopediatría. por Villarreal González, Adela Andrea

    “…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. …”
    Enlace del recurso
    Tesis
  5. 2725

    Gonotrophic cycle estimate for Culex quinquefasciatus in Mérida, Yucatán, México por García Rejón, Julián Everardo, Fernández Salas, Ildefonso, Farfán Ale, José Arturo, Beaty, Barry J., Ulloa García, Armando, Loroño Pino, María Alba, Flores, Luis, Rosado, Elsy

    Publicado 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. …”
    Enlace del recurso
    Artículo
  6. 2726

    Synthesis and physicochemical characterization of photo crosslinked hydrogels of alginate/gelatin and a-tocopherol nanocapsules for their potential use as biomaterials por Palacios Santos, José Ernesto

    Publicado 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…”
    Enlace del recurso
    Tesis
  7. 2727
  8. 2728
  9. 2729

    Cosmological perturbation theory in f(Q,T) gravity por Nájera, Antonio, Fajardo, Amanda

    Publicado 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.…”
    Enlace del recurso
    Artículo
  10. 2730

    Edible film based on candelilla wax to improve the shelf life and quality of avocado por Saucedo Pompa, Saul, Rojas Molina, Romeo, Aguilera Carbó, Antonio Francisco, Saenz Galindo, Aide, De la Garza, Heliodoro, Jasso Cantú, Diana, Aguilar González, Cristóbal Noé

    Publicado 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. …”
    Enlace del recurso
    Artículo
  11. 2731

    Vicio, virtud y victimización: ¿De qué sirve portarse bien? por Blanco González, Lorenzo, Rangel González, Erick

    Publicado 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.…”
    Enlace del recurso
    Artículo
  12. 2732

    Trimetallic nanostructures: the case of AgPd–Pt multiply twinned nanoparticles por Khanal, Subarna, Bhattarai, Nabraj, Velázquez Salazar, J. Jesús, Bahena, Daniel, Soldano, German, Ponce, Arturo, Mariscal, Marcelo M., Mejía Rosales, Sergio, Yacamán, Miguel José

    Publicado 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. …”
    Enlace del recurso
    Artículo
  13. 2733

    Estimación de los niveles ambientales de formaldehido en clínicas de odontopediatría. por Villarreal González, Adela Andrea

    “…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. …”
    Enlace del recurso
    Tesis
  14. 2734

    Synthesis and physicochemical characterization of photo crosslinked hydrogels of alginate/gelatin and a-tocopherol nanocapsules for their potential use as biomaterials por Palacios Santos, José Ernesto

    Publicado 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…”
    Enlace del recurso
    Tesis
  15. 2735
  16. 2736
  17. 2737

    Personas físicas pueden ser objeto de procedimiento de discrepancia fiscal en México por Hernández-Sandoval, Rosa Hilda, Gaona-Tamez, Laura Leticia, Aguilera-Mancilla, Gabriel

    Publicado 2020
    “…En Metodología se presentan siete tablas de casos en que los contribuyentes han sido objeto de discrepancia fiscal, si el contribuyente informa, declara los ingresos, así como los egresos reales evitará caer en actos ilícitos. Resultado, el contribuyente conozca que la autoridad cuenta con elementos para presumir a los contribuyentes que perciben otros ingresos no declarados al identificar que erogan más de lo que perciben. …”
    Enlace del recurso
    Artículo
  18. 2738

    La Independencia de las Trece Colonias. Sinónimo de unidad, fuerza y cohesión por Navarrete Cano, Isbeth

    Publicado 2022
    “…Asimismo, posiciona la lejanía y los ajustes económicos autoritarios de la metrópoli como un factor crucial para el descontento social, mismo que se traduciría en manifestaciones y evasión de reglas y normas; provocando el deseo de independizarse, crear sus propias leyes y perpetuar los ideales de la libertad, justicia, democracia y felicidad.…”
    Enlace del recurso
    Artículo
  19. 2739

    Psychometric properties of the Exercise Benefits/Barriers Scale in Mexican elderly women por Enríquez Reyna, María Cristina, Cruz Castruita, Rosa María, Ceballos Gurrola, Oswaldo, Garcia Cadena, Cirilo Humberto, Hernández Cortés, Perla Lizeth, Guevara Valtier, Milton Carlos

    Publicado 2017
    “…The reliability and validity were acceptable. The confirmatory factor analysis revealed that the elimination of items improved the goodness of fit of the baseline scale, without affecting its validity or reliability. …”
    Enlace del recurso
    Artículo
  20. 2740

    Conductas de riesgo para la obesidad, habilidades sociales y satisfacción vital en adolescentes por Chávez Amavizca, Ania

    Publicado 2013
    “…La obesidad se explica por una sobre-ingesta de alimento y un escaso gasto energético a partir de la inactividad física: ambas conductas se han asociado a factores psicológicos relacionados con la competencia social, la cual se identifica como factor necesario para el desarrollo y un factor protector de la obesidad en la infancia. …”
    Enlace del recurso
    Tesis

Herramientas de búsqueda: