Resultados de búsqueda - IT*

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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Optics outreach activities with elementary school kids from public education in Mexico por Viera González, Perla Marlene, Sánchez Guerrero, Guillermo Ezequiel, Ruiz Mendoza, Juan Carlos, Cárdenas Ortiz, G., Ceballos Herrera, Daniel E.

“…This work shows the results obtained from the “O4K” Project supported by International Society for Optics and Photonis (SPIE) and the Universidad Autonoma de Nuevo Leon (UANL) through its SPIE Student Chapter and the Dr. Juan Carlos Ruiz-Mendoza, outreach coordinator of the Facultad de Ciencias Fisico Matematicas of the UANL. …”
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Contraste empírico del modelo de cinco fases de duelo de Kübler-Ross en mujeres con cáncer por Moral de la Rubia, José, Miaja Ávila, Melina

“…En estas mujeres mexicanas con cáncer, más que una secuencia de fases en el proceso de duelo, se observaron seis respuestas psicológicas que se interrelacionan entre sí y con la pérdida de la salud. Los 39 ítems seleccionados pueden emplearse como una escala de seis factores y dos dimensiones correlacionadas, afecto positivo (promesas/pacto, fe/esperanza y aceptación) y afecto negativo (negación, depresión e ira).…”
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Characterization of Corrosion Behavior of Painted Galvanized Steel under Accelerated Conditions por Vázquez Rodríguez, Francisco Javier, De La Garza Garza, M., Gaona Tiburcio, Citlalli, Maldonado Bandala, Erick, Baltazar Zamora, Miguel Ángel, Garza C. R. de, J., García, R.O., Garza Montes de Oca, Nelson Federico, Ramírez R., J.L., Almeraya Calderón, Facundo

“…Later advances due to formation of porous layer of zinc hydroxi-chloride, which it’s characteristic of environments with chloride ions, forming zinc’s corrosion products like zinc oxide and zinc hydroxide on the porous layer until iron starts to dissolve, producing iron oxide and iron oxy-hydroxide on the zinc’s corrosion products and porous layer.…”
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A Review of the Techniques Used to Reduce the Thermal Load of Buildings in Mexico's Warm Climate por Ramírez Dolores, César, Andaverde Arredondo, Jorge Alberto, Alcala, Gerardo, Velasco Tapia, Fernando, López Lievano, Daniel

“…These cases are intended to show the current status of this research topic, as well as identify areas of opportunity relevant to the analysis and its implementation especially in coastal areas. …”
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Construcción de la escala de la eficacia del entrenador en la enseñanza: estudios preliminares por Tristán Rodríguez, José Leandro, López Walle, Jeanette M., Tomás, Inés, Cantú Berrueto, Abril, Cruz Palacios, Juan Francisco

“…Al correlacionar todos los ítems se observa que el ítem 6 es el único que en su mayoría no se relaciona positiva y significativamente con el resto de los ítems, y al calcular nuevamente la fiabilidad sin el ítem 6 correspondiente al factor 2 el alfa aumenta a α = .79. …”
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Sujetos, prácticas e institución. Aproximaciones a diversos constructos identitarios en dos universidades mexicanas por Romo Beltrán, Rosa Martha, Gómez Gómez, Elba Noemí

“…Desde esto, se abordan las diversas trayectorias y grupos que se instituyeron en dos casos de universidades en México: el de la formación de la Licenciatura en Pedagogía de la Universidad Autónoma de Nuevo León (uanl), y una experiencia de formación docente en el Instituto Tecnológico y de Estudios Superiores de Occidente (iteso).…”
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Studying the effects of instance structure in algorithm performance por Turrubiates López, Tania, Schaeffer, Satu Elisa

“…However, it has become evident that the instance size by itself is an insufficient measure and that the worst-case scenario is often unin-formative in practice. …”
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Design of a performance assessment instrument for blind employees of a social enterprise por Macías Quezada, Jesús José

“…Dialogue Social Enterprise (DSE), an expanding German franchising social business, requires to maintain quality in the performance of its tour guides worldwide for its branch Dialogue in the Dark (DiD). …”
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Hydroclimatic variations reveal differences in carbon capture in two concurrent conifers in northern Mexico por González Cásares, Marcos, Pompa García, Marín, Venegas González, Alejandro, Dominguéz Calleros, Pedro, Hernández Díaz, José Ciro, Carrillo Parra, Artemio, González Tagle, Marco Aurelio

“…The dynamics of forest carbon depend on where the carbon is stored and its responses to environmental factors, as well as the physiology of the trees. …”
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Antimycobacterial Activity of Hedeoma drummondii against Mycobacterium tuberculosis and Non-Tuberculous Mycobacteria por Molina Torres, Carmen Amelia, Pedraza Rodríguez, Carlos, Vera Cabrera, Lucio, Ocampo Candiani, Jorge, Rivas Morales, Catalina, Viveros Valdez, Ezequiel

“…Tuberculosis (TB) remains a major health problem worldwide, and the emergence of multi-resistant strains to first-line drugs has become the biggest obstacle to its treatment. On the other hand, the incidence of non-tuberculous mycobacteria (NTM) in humans has increased remarkably in recent years. …”
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