Resultados de búsqueda - IT*

Estimation of the capacitor voltages in flying capacitor multi-level converters por Escalante, Miguel F., Erdmann Olvera, Alex Paul

“…The method requires only output voltage and output current sensors and its computational burden is low, saving cost and design efforts, and simplifying the hardware system. …”
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Electrochemical Study of Interaction between Imidazole-Based-Ionic-Liquid and Light Petroleum in Oil/Water Emulsion por Villalobos Neri, E.E., Páramo García, U., Mayen Mondragon, R., Gallardo Rivas, N.V.

“…Its Critical Micelle Concentration (CMC) in water was determined by Conductimetry, Ultraviolet-Visible Spectroscopy and Cyclic Voltammetry. …”
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New records and range extension of Trimorphodon tau Cope, 1869 (Squamata, Colubridae) in Nuevo León, México por Banda Leal, Javier, Lazcano, David, Nevárez de los Reyes, Manuel, Barriga Vallejo, Carlos, Wilson, Larry David

“…The distribution of Trimorphodon tau Cope, 1869 in Nuevo León, Mexico, is understood on the basis of only a few records from the municipality of Iturbide and the central portion in the municipality of Monterrey, both in the southern portion of the state. …”
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La ansiedad en deportistas universitarios durante la cuarentena por COVID-19. por Medina Villanueva, Samantha, Ródenas, L.

“…Se tomaron muestras de estudiantes universitarios de las diferentes facultades de la UANL, mediante el uso de muestreo conglomerados, los cuales respondieron a una batería de cuestionarios que incluía la Escala de Trastorno de Ansiedad Generalizada conformada de 7 ítems (GAD-7). Se recibieron 1,658 respuestas. Los resultados indicaron que el 0,6% de los encuestados experimentaron ansiedad severa, el 1.8% ansiedad moderada y 12,1% ansiedad ligera. …”
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Evaluación en la calidad en servicios educativos universitarios: evidencia de estudiantes de economía en la pandemia de Covid-19 por Moreno Treviño, Jorge Omar, García Gallegos, Alan, Hernández Martínez, Jacqueline

“…Método: se realizó un muestreo aleatorio estratificado para obtener representatividad en los ítems relevantes por sexo y para cada una de las generaciones. …”
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Renal Replacement Therapy for Acute Kidney Injury in COVID-19 Patients in Latin America por Claure Del Granado, Rolando, Casas Aparicio, Gustavo, Rosa Diez, Guillermo, Rizo Topete, Lilia María, Ponce, Daniela

“…The incidence of acute kidney injury (AKI) in hospitalized patients with COVID-19 is broad and ranges from 0.5 to 29% according to early reports from China and Italy [1, 2]. A recent multicenter retrospective cohort in New York showed a higher incidence (37%) and mortality (35%). …”
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“Optics 4 every1”, the hands-on Optics outreach program of the Universidad Autonoma de Nuevo Leon por Viera González, Perla Marlene, Sánchez Guerrero, Guillermo Ezequiel

“…The program Optics 4 every1 is supported by the Facultad de Ciencias Fisico Matematicas of the Universidad Autonoma de Nuevo Leon and the International Society for Optics and Photonics and consist in quick hands-on activities and Optics demonstrations designed for teach basic optical phenomena related with light and its application in everyday life. During 2015, with the purpose of celebrate the International Year of Light 2015, the outreach group was involved in 13 different events and reached more than 8,000 people. …”
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Corrosion behavior of Zn-TiO2 and Zn-ZnO electrodeposited coatings in 3.5% NaCl solution por Cabral Miramontes, José Ángel, Bastidas, David M., Baltazar, M.A, Zambrano Robledo, Patricia del Carmen, Bastidas, José María, Almeraya Calderón, Facundo, Gaona Tiburcio, Citlalli

“…The coating thickness was less than 2.5 μm and its corrosion resistance increased with the addition of nanoparticles.…”
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Percepción de la calidad educativa: caso aplicado a estudiantes de la Universidad Autónoma de Nuevo León y del Instituto Tecnológico de Estudios Superiores de Monterrey por Alvarado Lagunas, Elías, Morales Ramírez, Dionicio, Aguayo Téllez, Ernesto

“…Entre los principales resultados se encuentra que los estudiantes del ITESM le dan mayor peso a las instalaciones modernas e innovación tecnológica dentro de las aulas, mientras que los estudiantes de la UANL valoran más la preparación académica de la planta docente.…”
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Naturally infected Aedes aegypti collected during a Zika virus outbreak have viral titres consistent with transmission por Azar, Sasha R., Díaz González, Esteban Eduardo, Danis Lozano, Rogelio, Fernández Salas, Ildefonso, Weaver, Scott C.

“…Beginning in 2015 the virus sparked widespread epidemics in the Americas, garnering international attention due to its association with severe sequelae such as Guillain–Barré syndrome in previously healthy individuals as well as Congenital Zika Syndrome in infants whose mothers were infected during pregnancy.…”
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Electrochemical Corrosion of Titanium and Titanium Alloys Anodized in H2SO4 and H3PO4 Solutions por Jáquez Muñoz, Jesús Manuel, Gaona Tiburcio, Citlalli, Chacón Nava, José G., Cabral Miramontes, José Ángel, Nieves Mendoza, Demetrio, Maldonado Bandala, Erick, Delgado, Anabel D., Flores de los Ríos, Juan Pablo, Bocchetta, Patrizia, Almeraya Calderón, Facundo

“…Titanium and its alloys have superior electrochemical properties compared to other alloy systems due to the formation of a protective TiO2 film on metal surfaces. …”
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The use of electrochemical noise in the study of nanometric coatings por Gaona Tiburcio, Citlalli, López Cazares, Irene, Cabral Miramontes, José Ángel, Zambrano Robledo, Patricia del Carmen, Uruchurtu Chavarín, J.

“…However, their pitting corrosion sensitivity limits its application in many marine environments. Have been investigated that addition of Cr improve the mechanical resistance and sacrificial behavior. …”
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Role of the polymorphic IL-1B, IL-1RN and TNF-A genes in distal gastric cancer in Mexico por Garza González, Elvira, Bosques Padilla, Francisco Javier, Hold, Georgina, Tijerina Menchaca, Rolando

“…Several cytokine gene polymorphisms have been associated with increased risk of distal gastric cancer (GC) and its precursor histological markers in Caucasian, Asian and Portuguese populations although little is known about their role in other ethnic groups. …”
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Electrochemical Behavior of Ti6Al4V Alloy Used in Dental Implants Immersed in Streptococcus gordonii and Fusobacterium nucleatum Solutions por De la Garza Ramos, Myriam Angélica, Estupiñan López, Francisco Humberto, Gaona Tiburcio, Citlalli, Beltrán Novelo, Lucía G., Zambrano Robledo, Patricia del Carmen, Cabral Miramontes, José Ángel, Almeraya Calderón, Facundo

“…The titanium alloy, Ti6Al4V, is used in dentistry for dental implants because of its excellent resistance to corrosion and its high biocompatibility. …”
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Implementation of an online emergency education programme at a public university in Mexico por González Barranco, Patricia, Balderas Rentería, Isaías, Esquivel Ferriño, Patricia Cristina, Gracia Vásquez, Yolanda Araceli, Vásquez Farías, E.E

“…Students and faculty members were trained in its use and, after one month, classes were successfully restarted on this platform. …”
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Corrosion Resistance of Hard Coat Anodized AA 6061 in Citric–Sulfuric Solutions por Cabral Miramontes, José Ángel, Gaona Tiburcio, Citlalli, Estupiñan López, Francisco Humberto, Lara Banda, María del Refugio, Zambrano Robledo, Patricia del Carmen, Nieves Mendoza, Demetrio, Maldonado Bandala, Erick, Almeraya Calderón, Facundo, Chacón Nava, José G.

“…Aluminum is a material widely used in aeronautical and transport industries due to its excellent mechanical and corrosion resistance properties. …”
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Nasal eosinophilic angiocentric fibrosis with IgG4-positive plasma cell infiltration por Sáenz Ibarra, Bárbara, Ceceñas Falcón, Luis Ángel, Cárdenas de la Garza, J. A., Garza Elizondo, Mario Alberto, De Hoyos R, Dieste, Barboza Quintana, Oralia

“…Introduction: Eosinophilic angiocentric fibrosis (EAF) is a rare lesion that predominantly affects the upper respiratory tract. Its etiology is unknown and it has been recently associated with the IgG4- related disease (IgG4-RD) spectrum. …”
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Leaf surface anatomy in some woody plants from Northeastern Mexico por Maiti, Ratikanta, González Rodríguez, Humberto, Rodríguez Balboa, Perla Cecilia, Marmolejo Monsiváis, José Guadalupe, Dueñas Tijerina, Haydee Alejandra, González Díaz, Jeff Christofher, Aruna Kumari, And

“…Studies on leaf surface anatomy of woody plants and its significance are rare. The present study was undertaken in the Forest Science Faculty Expe rimental Research Station, UANL, Mexico, with objectives to determine the variability in leaf surface anatomy in the woody plants of the Tamaulipan thornscrub and its utility in taxonomy and possible adaptation to the prevailing semiarid conditions. …”
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Implementation of an online emergency education programme at a public university in Mexico por González Barranco, Patricia, Balderas Rentería, Isaías, Esquivel Ferriño, Patricia Cristina, Gracia Vásquez, Yolanda Araceli

“…The regular termly calendar was scheduled from 20th January to 19th June 2020, a 20-week term. The term was in its ninth week when the pandemic interrupted the learning schedule.…”
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Electrochemical Corrosion of Ferritic 409 and 439 Stainless Steels 409 and 439 in NaCl and H2SO4 solutions por Gaona Tiburcio, Citlalli, Estupiñan López, Francisco Humberto, Zambrano Robledo, Patricia del Carmen, Cabral Miramontes, José Ángel, Barrios Durstewitz, C. P., Almeraya Calderón, Facundo

“…Both materials have a pitting corrosion type in sodium chloride using cyclic polarization curves and electrochemical noise techniques for its evaluation.…”
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