Resultados de búsqueda - ( factores OR (( (reductor OR alta) OR ( base OR (altares OR altoss) )) OR tutoriales ))*

Exact solutions for the agricultural and the two-dimensional packing problems por Cid García, Néstor Miguel

“…The methodology for this stage is based on a new method called “Positions and Covering” that first generates all the possible positions in which the plot can be delineated. …”
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Improved High Soy Shrimp Feeds for the Pacific White Shrimp Litopenaeus vannamei por Zhou, Yange, D. Allen, Davis

“…It could be suggested that, from a nutritional standpoint, one of the reasons for the popularity of Pacific white shrimp, Litopenaeus vannameiis the adaptability to a range of diets, tolerance of plant based feed ingredients and ability to utilize natural productivity. …”
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Plasma cytokine levels imbalance in cirrhotic patients with impaired glucose tolerance and diabetes mellitus: a prospective study por García Compeán, Diego, Jáquez Quintana, Joel Omar, Lavalle González, Fernando Javier, González González, José Alberto, Maldonado Garza, Héctor Jesús, Villarreal Pérez, Jesús Zacarías

“…Plasma levels of cytokines were measured: TNFD, soluble tumor necrosis factor receptor 1 (sTNF-R1), leptin, TGF-E1, and hepatocyte growth factor (HGF). …”
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PERCEPCIÓN DE LOS ESTUDIANTES DE NIVEL SUPERIOR SOBRE LA WEB 2.0 EN LA ENSEÑANZA por Escalera-Chávez, Milka Elena, Gallegos-Fonseca, Gustavo, Cristóbal-Hernández, Celia

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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

“…Over the time the automotive industry has evolved in the use of steels in different parts of vehicles, thanks to the materials technology; a deciding factor in the market are the corrosion properties. …”
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Investigation into the Effects of Citric Acid on the Corrosion Behavior of AM 350 Stainless Steel Using Electrochemical Impedance Spectroscopy por Gaona Tiburcio, Citlalli, Villegas Tovar, José Miguel, Maldonado Bandala, Erick, Lara Banda, María del Refugio, Baltazar Zamora, Miguel Ángel, Méndez Ramírez, Ce Tochtli, Nieves Mendoza, Demetrio, Almaguer Cantú, Verónica, Jáquez Muñoz, Jesús Manuel, Landa Gómez, Aldo, Almeraya Calderón, Facundo

“…The electrochemical technique used was electrochemical impedance spectroscopy (EIS) based on ASTM-G106. The EIS (equivalent circuit) results indicate that there are one and two constant phase elements (CPE), which indicate the presence of various factors on the stainless steel surface, such as roughness and the formation of porous and passive layers, respectively. …”
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Validation study of a scale for assessing three personality functional dimensions among Venezuelan HIV-positive patients por Moral de la Rubia, José, Colombo Andrade, Gerymar Pastora, Torres Yépez, Arelys Carolina, López Guerra, Víctor Manuel, Piña López, Julio Alfonso, Ybarra Sagarduy, José Luis

“…Data analysis included exploratory factor analysis and confirmatory factor analysis, assessment of internal consistency, and description of distributions. …”
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Numerical study on the combustion process of a biogas spark-ignition engine por Carrera, José, Riesco, José, Martínez, Simón, Sánchez, Fausto, Gallegos, Armando

“…To carry out this study, a five factors and trwo levels experiment was designed and conducted, based on which, the most influential parameters were identified. …”
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Adaptación a WhatsApp y re-estandarización del trabajo periodístico en Bolivia por Quintanilla-Sangueza, Victor

“…Bajo una metodología cualitativa, enfatizamos el rol del factor organizacional y el de la agencia profesional en la innovación. …”
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Omega fatty acids production in an isolated native Chlorella sp. from northeast Mexico with improved growth using urine as nutritive medium por Canino Gómez, Jessica Cossette, Limón Rodríguez, Benjamín, Rivas García, Pasiano, Escamilla Alvarado, Carlos, Morones Ramírez, José Rubén, Alcalá Rodríguez, Mónica María

“…The BG11 culture medium was replaced with a urine-based medium (MOB) to cultivate a microalgae of the genus Chlorella sp. native to the State of Nuevo Leon. …”
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Efecto de la temperatura y tiempo sobre la disolución de la fase ɣʹ y carburos sobre la aleación Waspaloy® por Villlpando Hernández, Saraí, Guajardo Martínez, Hugo, Pérez Patiño, Juan Antonio, López Cuéllar, Enrique Manuel, Reyes Melo, Martín Édgar

“…En este trabajo se caracterizó la superación aeroespcacial Waspaloy con el fin de encontrar las fases remanentes después de haberlas sometido a tratamientos térmicos de disolución a altas temperaturas.…”
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Efecto de la densidad de fibras en las propiedades mecánicas de materiales compuestos reforzados textiles por Ríos-Soberanis, Carlos Rolando, Pacheco Cardín, Mayra, Canto Pinto, Jorge Carlos, Pérez Pacheco, Emilio

“…La relación entre la geometría del entramado y la densidad lineal de las fibras con los mecanismos de fractura bajo cargas de tensión ha sido investigada para materiales compuestos reforzados con textiles de fibra de vidrio (NCF) de configuración de [-45º, +45º] y diferente densidad lineal basados en una matriz de resina epóxica curada con agente de curado a altas temperaturas. Dos textiles de diferente densidad lineal fueron empleados como refuerzo (440 ± 5% and 227 ± 5% g/m2). …”
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Influence of Controlled Cooling in Bimodal Scaffold Fabrication Using Polymers with Different Melting Temperatures por Lara Padilla, Hernán, Mendoza Buenrostro, Christian, Cardenas, Diego, Rodríguez García, Aída, Rodríguez González, Ciro Ángel

“…On average, bimodal scaffolds with overall dimensions of 30×30×2.4 mm3 (strand diameter of 0.5 mm, strand stepover of 2.5 mm, pore size of 2 mm, and layer height of 0.3 mm) showed scaffold stiffness of 23.73 MPa and compression strength of 3.85 MPa. A cytotoxicity assay based human fibroblasts showed viability of the scaffold materials. …”
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Why has there been a fall in child labor and an increase in school attendance in Mexico? por Valero Gil, Jorge Noel, Valero, Magali

“…Understanding the factors affecting child labor and school attendance are primordial to developing policies aimed at improving the lives of children. …”
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Antiviral mode of action of bovine dialyzable leukocyte extract against human immunodeficiency virus type 1 infection por Lara Villegas, Humberto Herman, Ixtepan Turrent, Liliana del Carmen, Garza Treviño, Elsa Nancy, Badillo Almaraz, José Isaías, Rodríguez Padilla, Cristina

“…Pretreatment of HIV-1 with bDLE did not decrease the infectivity of these viral particles. Cell-based fusion assays helped to determine if bDLE could inhibit fusion of Env cells against CD4 cells by membrane fusion and this cell-based fusion was inhibited only when CD4 cells were treated with bDLE. …”
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Fault Detection for Automotive Shock Absorber por Hernandez Alcantara, Diana, Morales Menendez, Ruben, Amézquita Brooks, Luis Antonio

“…Many of the most widespread fault detection schemes consider additive faults. Two model-based fault algorithms for semiactive shock absorber are compared: an observer-based approach and a parameter identification approach. …”
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Flocponics: The Integration of Biofloc Technology with Plant Production and The Possibility to Reduce the Protein Level of Tilapia Juveniles’ Diet por Mello Pinho, Sara, Keesman, Karel, Portella, Maria Celia

“…FLOCponics is defined as the integration of biofloc-based (BFT) aquaculture with hydroponics. The technology is an alternative type of aquaponics system where recirculation aquaculture system (RAS) is replaced by a system based on BFT. …”
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Mixed sensitivity control: a non-iterative approach por Galindo Orozco, René

“…An approximated optimal value of the location of the closed-loop poles is proposed based on Glover and McFarlane’s optimal stability margin [(1989)] which in turn is based on Nehari’s Theorem. …”
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Implementación de tecnología Barkhausen como una prueba no destructiva para detección de martensita reformada en flechas de transmisión. por Ríos Nava, Jorge Obdulio

“…Esta tecnología sienta las bases para el desarrollo de investigaciones relacionadas con el ruido Barkhausen como herramienta para la caracterización y avaluación de materiales. …”
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Implementación de tecnología Barkhausen como una prueba no destructiva para detección de martensita reformada en flechas de transmisión. por Ríos Nava, Jorge Obdulio

“…Esta tecnología sienta las bases para el desarrollo de investigaciones relacionadas con el ruido Barkhausen como herramienta para la caracterización y avaluación de materiales. …”
Enlace del recurso