Resultados de búsqueda - ( naif OR ((( (naire OR yair) OR nir ) OR air ) OR (pair OR par) ))*

Numerical study on the combustion process of a biogas spark-ignition engine por Carrera, José, Riesco, José, Martínez, Simón, Sánchez, Fausto, Gallegos, Armando

“…This study numerically evaluates the way in which the geometrical pa- rameters such as the compression ratio and operating parameters like engine speed, the excess air, the time of spark timing and carbon dioxide content of biogas affect the evolhution of the combustion process. …”
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Characterization of critical stretch rate using outwardly propagating spherical flames por De la Rosa Urbalejo, Daniel, Martínez Martínez, Simón, Sánchez Cruz, Fausto

“…Four fuels, namely methane, propane, methanol and ethanol in air, are chosen to investigate the correlation between maximum critical stretch rate and the flame extinction across a range of equivalence ratios at various ambient conditions in under-driven flames, and to compare the hypothesis against data from the traditional counter-flowing flame technique. …”
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Optimization in preparation process of V₂O₅ using symbolic regression α-β. por González Campos, Guillermo

“…This compound is widely used in catalysis and photocatalysis to solve environmental problems, such as water and air purification. The aim of creating a model was to obtain the best combination of preparation variables that result in a compound with the ideal properties, which promote a better performance in catalysis and photocatalysis. …”
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Photon Shielding Features of Quarry Tuff por Malvagi, F., Vega Carrillo, Héctor René, Hernández Adame, Luis, Guzmán García, Karen Arlete, Ortiz Hernández, Arturo Agustín, Rodríguez Rodríguez, José Antonio, Juárez Alvarado, César Antonio, Malouch, F., Diop, C. M’. B., Miss, J., Trama, J. C.

“…The collided and uncollided photon fluence, the Kerma in air and the Ambient dose equivalent were estimated. …”
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Sources of antibiotics pollutants in the aquatic environment under SARS-CoV-2 pandemic situation por Sosa Hernández, Juan Eduardo, Rodas Zuluaga, Laura Isabel, López Pacheco, Itzel Y., Melchor Martínez, Elda Madai, Aghalari, Zahra, Limón, Daniel Salas, Iqbal, Hafiz M.N., Parra Saldívar, Roberto

“…The effects observed in specific locations have shown the impact over the environment in air, soil and water. Specifically, the current pandemic of COVID-19 has brought into the picture the intensive use of different medical substances to treat the disease and population intensive misuse. …”
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Erosion problem in tool steel using cold box core-making process por Rodríguez, Eduardo, Pérez, Alberto, Mercado Solis, Rafael David, Velasco Tellez, Abraham, Jiménez, Omar, Flores, Martín, González, Marco Aurelio, Ibarra, Jesús

“…Erosion tests were carried out at impingement angles from 20° to 90° and air drag pressures of 1.38, 2.07 and 2.76 bar (20, 30 and 40 psi). …”
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Optimization in preparation process of V₂O₅ using symbolic regression α-β. por González Campos, Guillermo

“…This compound is widely used in catalysis and photocatalysis to solve environmental problems, such as water and air purification. The aim of creating a model was to obtain the best combination of preparation variables that result in a compound with the ideal properties, which promote a better performance in catalysis and photocatalysis. …”
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Potencial hídrico xilemático en cuatro especies arbustivas nativas del noreste de México = Xylem water potential in four native browse species from northeastern Mexico por González Rodríguez, Humberto, Cantú Silva, Israel, Ramírez Lozano, Roque Gonzalo, Gómez Meza, Marco Vinicio, Pando Moreno, Marisela, López Hernández, Juan Manuel

“…Soil water content at different soil depths, and relative humidity were significantly and positively correlated with Ψ at predawn; whereas air temperature and vapor pressure deficit was negatively correlated. …”
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Nuevas direcciones empíricas en la investigación e innovación de tecnología educativa para la evaluación del aprendizaje en línea: una aproximación conexionista por López Ramírez, Ernesto Octavio, Morales Martínez, Guadalupe Elizabeth, Hedlefs Aguilar, María Isolde, González Trujillo, Claudia Jaquelina, Moreno Meza, Argenis Paul

“…By using schema related words from this cognitive modelling, semantic priming studies were performed to compare associative, categorical and nonrelated word latencies to schema related word pair latencies. Results identified a new cognitive phenomenon: Schemata priming. …”
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La reacción en cadena de la polimerasa a dos décadas de su invención por Rodríguez Sánchez, Irám Pablo, Barrera Saldaña, Hugo Alberto

“…Mullis en 1983, emplea un par de oligonucleótidos para delimitar una región de interés y una polimerasa para extenderlos, utilizando ambas hebras del gen en cuestión como plantilla. …”
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La bande dessinée comme proposition didactique pour améliorer la compréhension écrite chez les étudiants du FLE. por Puente Zamora, Alejandro

“…Aussi, on parle du problème de recherche, on établit le contexte et la justification par un instrument qui prouve la problématique. En plus, s’alignent les objectifs avec les questions de recherche. …”
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El ácido siálico, coraza de los seres vivos por Aguirre-Zapata, Claudia, Pérez-Cervera, Yobana, Salinas-Marín, Roberta

“…Personalmente, hace un par de años hubiese pensado lo mismo, pero la perspectiva ha cambiado gracias a los conocimientos adquiridos en el área de la Glicobiología, la ciencia que estudia todos los eventos relacionados con los carbohidratos, también denominados glicanos. …”
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Estimación de los niveles ambientales de formaldehido en clínicas de odontopediatría. por Villarreal González, Adela Andrea

“…Conclusiones Los resultados demostraron existir concentraciones de formaldehido en el aire de las clínicas, el suficiente para generar irritaciones en ojos y piel, se observó también mayores concentraciones en las clínicas donde la ventilación era nula y realizaban un mal manejo de este. …”
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Mapping of the atmospheric deposition of sulfur and nitrogen during the dry season 2016 in the Metropolitan zone of Merida, Yucatan, Mexico por Cerón Bretón, Rosa María, Cerón Bretón, Julia Griselda, Muriel García, M., Lara Severino, Reyna del Carmen, Rangel Marrón, Marcela, Ramírez Lara, Evangelina, López Jiménez, D., Rodríguez Guzmán, Abril, Uc Chi, Martha Patricia

“…From the analysis of wind roses and air masses trajectories, it was possible to establish that during this climatic season, in addition to the local vehicular emissions, regional emissions generated upwind (from E-SE) contributed to atmospheric deposition of these ions. …”
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Polymethacrylate Coated Electrospun PHB Fibers as a Functionalized Platform for Bio-Diagnostics: Confirmation Analysis on the Presence of Immobilized IgG Antibodies against Dengue... por Hosseini, Samira, Azari, Pedram, Jiménez Moreno, Martín, Rodríguez García, Aída, Pingguan Murphy, Belinda, Madou, Marc, Martínez Chapa, Sergio

“…We relied on scanning electron microscopy (SEM), diameter range analysis, and X-ray photoelectron spectroscopy (XPS), along with thermal gravimetric analysis (TGA), water-in-air contact angle analysis (WCA), Fourier transform infrared spectroscopy (FTIR), and atomic force microscopy (AFM) to study our developed platforms and to provide valuable information regarding the presence of biomolecular entities on the surface. …”
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Hybrid Solar Cells of Pyrite-Based/Poly(3-Hexylthiophene) Core/Shell Nanowires por Retana Betancourt, María Fernanda

“…The iron pyrite nanoparticles were obtained using complexing agents for the very first time. Air-stable FeS2 show stability for 21 days without special storage conditions. …”
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A review on the development of visible light-responsive WO3-based photocatalysts for environmental applications por Murillo Sierra, Juan Camilo, Hernández Ramírez, Aracely, Hinojosa Reyes, Laura, Guzmán Mar, Jorge Luis

“…Moreover, the photocatalytic properties of the reviewed WO3-based photocatalysts are discussed based on their environmental applications such as degradation of organic pollutants, air purification, CO2 photoreduction, hydrogen production from water splitting and recently, simultaneous wastewater treatment and electric energy generation by photocatalytic fuel cells. …”
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Phenology of woody species: a review por González Rodríguez, Humberto, Maiti, Ratikanta, Sarkar, N. C.

“…Climate has positive impact on the timing of phenology; cold-air drainage may influence the start of leaf growth, however leaf phenology in tropical evergreen forests is not determined by the seasonality of precipitation. …”
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Estimación de los niveles ambientales de formaldehido en clínicas de odontopediatría. por Villarreal González, Adela Andrea

“…Conclusiones Los resultados demostraron existir concentraciones de formaldehido en el aire de las clínicas, el suficiente para generar irritaciones en ojos y piel, se observó también mayores concentraciones en las clínicas donde la ventilación era nula y realizaban un mal manejo de este. …”
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Hybrid Solar Cells of Pyrite-Based/Poly(3-Hexylthiophene) Core/Shell Nanowires por Retana Betancourt, María Fernanda

“…The iron pyrite nanoparticles were obtained using complexing agents for the very first time. Air-stable FeS2 show stability for 21 days without special storage conditions. …”
Enlace del recurso