Resultados de búsqueda - (sense OR (presente OR (compcppcppcppcppcppcpppdense OR compcppcppcppcppcppcpppdense)))

Microstructure, vibrational and visible emission properties of low frequency ultrasound (42 kHz) assisted ZnO nanostructures por Pandiyarajan, Thangaraj, Mangalaraja, Ramalinga Viswanathan, Karthikeyan, Balasubramanian, Sepúlveda Guzmán, Selene, Mansilla, Héctor D., Contreras, David, Escalona, Néstor, Gracia Pinilla, Miguel Ángel

“…The control over the size and morphology of ZnO nanostructures has been presented as a means of determining the intensity of the visible emission band…”
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Laparoscopic splenectomy experience in the University Hospital ‘‘Dr. José Eleuterio González’’ por Cueto Ramos, Rubén Gerardo, Muñoz Maldonado, Gerardo Enrique, Hernández Guedea, Marco Antonio, Fernández Treviño, J. R., Limas Rodríguez, Q. G.

“…To present the laparoscopic splenectomy (LS) experience at the ‘‘Dr. …”
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Somatotype of patients with type 2 diabetes in a university hospital in Mexico por Urrutia García, Krystle, Martínez Cervantes, Tomás Javier, Salas Fraire, Oscar, Guevara Neri, N. P.

“…Conclusions: The results are similar to previous studies presented for other diabetic populations. Sex differences are significant and especially higher for the endomorphic component, with generally higher values in females. …”
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La confiabilidad de las evaluaciones del aprendizaje conceptual: Índice Spearman-Brown del método split-halves = Reliability of the evaluation of conceptual learning: index of Spea... por Rositas, J., Badii Zabeh, Mohammad Hosein, Castillo, J.

“…Based upon the curiosity to evaluate in a reliable and consistent fashion, the acquisition of knowledge, several methods of evaluating conceptual learning are presented, and among these, the method of Index of Spearman-Brown within the split-halves method is used for the estimation of the reliability of the measurement instrument. …”
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Los modelos CAPM y APT para la valuación de empresas de telecomunicaciones con parámetros operativos (The CAPM and APT models for valuation of telecommunication companies with op... por Saldaña, J., Palomo, M., Blanco Jiménez, Mónica

“…The CAPM (Capital Asset Pricing Model and the APT (Arbitrage Pricing Theory), both capital asset evaluation models, are hereby presented. The main characteristics of both models are the essential assumptions for their for there development, their statement and the practical test on the telecommunications portfolio using operational, financial and macroeconomics variable, and carried on with the purpose to be compare with reality. …”
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Variables que influyen en el desarrollo de las competencias centrales, al requerir software en la empresa (Variables that influence the core competencies development, by requiring... por Cantú Mata, José Luis, Palomo González, Miguel Ángel, Segoviano Hernández, José, González Duéñez, Valeria Paola

“…Abstract: In this paper, we present a study in a business context, identifying the variables that influence the core competencies development and help to generate a competitive advantage. …”
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Digestive enzyme activity and food ingesta in juvenile shrimp Litopenaeus vannamei (Boone, 1931) as a function of body weight por Gamboa Delgado, Julián, Molina Poveda, César, Cahu, Chantal

“…Arti¢cial feed showed amaximumcontribution of 20% in 6-g shrimp. The present results show changes in the enzyme activity after the shrimp reach 6 g in body weight, evidenced by a decrease in total protease and an increase in lipase and amylase activities. …”
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Percepción global de los espectadores durante un partido de futbol. Caso Estadio Santiago Bernabeu por Galván Mata, José Francisco

“…La práctica de la actividad física y el deporte han estado presentes a lo largo de la historia, siendo usadas de manera habitual para las diferentes actividades diarias así como también realizándose como un medio de diversión y recreación, utilizándose como espectáculo. …”
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Chemical bath deposition route for the synthesis of ultra-thin CuIn(S,Se)2 based solar cells. por Lugo Loredo, Shadai, Sánchez González, Yudania, Neuschitzer, Markus, Xie, Hai Bing, Insignares Cuello, Cristina, Izquierdo Roca, Victor, Peña Méndez, Yolanda, Saucedo, Edgardo

“…CuIn(S,Se)2 (CISSe) photovoltaic grade thin films are usually grown by expensive vacuum based methods or chemical routes that require highly toxic precursors. In this work, we present the synthesis of CISSe absorbers by a simple chemical bath deposition (CBD) route. …”
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Reconstrucción de precipitación e incendios en bosques de coníferas en el ejido Adolfo Ruiz Cortines, Pueblo nuevo, Durango. por Rosales Mata, Sergio

“…Con técnicas dendrocronológicas se analizaron 47 árboles y fecharon 131 cicatrices presentes en las muestras. Los incendios de mayor intensidad registrados ocurrieron en 1967, 1972, 1978 y 1995. el Intérvalo Medio de Frecuencia (MFI, por sus siglas en inglés) fue de 6.27 años. …”
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Study of the mechanism of cell death caused by peptides targeting CD47 in leukemia cell lines. por Gómez Morales, Luis

“…Therefore, the objective of the present work was to study the PKHB1-induced cell death mechanism in other types of leukemia. …”
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Polyphenolic content, in vitro antioxidant activity and chemical composition of extract from Nephelium lappaceum L. (Mexican rambutan) husk por Hernández, Cristian, Ascacio Valdés, Juan, De la Garza, Heliodoro, Wong Paz, Jorge, Aguilar González, Cristóbal Noé, Martínez Ávila, Guillermo Cristian Guadalupe, Castro López, Cecilia, Aguilera Carbó, Antonio Francisco

“…Geraniin, corilagin and ellagic acid were present in the sample; the mineral composition was also evaluated. …”
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Increasing rates of Clostridium difficile infection in Mexican hospitals por Dávila, Laura Palau, Garza González, Elvira, Rodríguez Zulueta, Patricia, Morfín Otero, Rayo, Rodríguez Noriega, Eduardo, Vilar Compte, Diana, Rodriguez Aldama, Juan Carlos, Camacho Ortiz, Adrián

“…Patients were diagnosed with CDI when presented with loose stools and had at least one of the following tests positive: toxins assay, real-time PCR, or an endoscopic image compatible with pseudomembranous colitis. …”
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The esperanza window trap reduces the human biting rate of Simulium ochraceum s.l. in formerly onchocerciasis endemic foci in Southern Mexico por Weiss, Brian L., Rodríguez Pérez, Mario Alberto, Garza Hernandez, Javier Alfonso, Salinas Carmona, Mario César, Fernández Salas, Ildefonso, Reyes Villanueva, Filiberto, Real Najarro, Olga, Cupp, Eddie W., Unnasch, Thomas R.

“…Flies were also collected outside the dwellings to control for variations in the local fly populations. When the EWTs were present, there was a significant reduction in the human biting rate at both the household and school locations at collection sites, with a greater effect observed in the schools. …”
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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.

“…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. …”
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Use of iodine to biofortify and promote growth and stress tolerance in crops por Medrano Macías, Julia Rosa, Leija Martínez, Paola, González Morales, Susana, Juárez Maldonado, Antonio, Benavides Mendoza, Adalberto

“…This review systematically presents the results published on the application of iodine in agriculture, considering different environmental conditions and farming systems in various species and varying concentrations of the element, its chemical forms, and its application method. …”
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Synthesis of mixed Cu/Ce oxide nanoparticles by the oil-in-water microemulsion reaction method por Pemartin Biernath, Kelly, Vela González, Andrea, Moreno Trejo, Maira, Leyva Porras, César, Castañeda Reyna, Iván Eduardo, Juárez Ramírez, Isaías, Solans, Conxita, Sánchez Domínguez, Margarita

“…According to X-ray diffraction (XRD), below 30/70 Cu/Ce molar ratio, the materials presented a single phase consistent with cubic fluorite CeO2. …”
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Morphological and Genetic Variation in Mexican Wild Populations ofTamarixia radiata(Hymenoptera: Eulophidae) por Peña Carrillo, Kenzy Ivveth, González Hernández, Alejandro, López Arroyo, J. Isabel, Mercado Hernández, Roberto, Favela Lara, Susana

“…Shape memory alloys (SMAs) present some characteristics, which make it unique material to be use in applications that require strength and shape recovery. …”
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Thermomechanical Analysis on Ti-Ni Shape Memory Helical Springs Under Cyclic Tensile Loads por Oliveira, Carlos Augusto do Nascimento, González, Cezar Henrique, Olimpio Filho, Oscar, Silva, Niédson José da, Guimarães, Pablo Batista, Nuñez Mendoza, Esaú, López Cuéllar, Enrique Manuel

“…Shape memory alloys (SMAs) present some characteristics, which make it unique material to be use in applications that require strength and shape recovery. …”
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Quenching simulation of steel grinding balls por Colás Ortíz, Rafael, Zapata Hernández, Óscar Jesús, Reyes, Luis A., Camurri, Carlos, Carrasco, Claudia, Garza Montes de Oca, Nelson Federico

“…A good correlation between the temperatures measured by inserted thermocouples and those predicted by the model was obtained after modifying the thermal conductivity of the steel within the temperature domain at which mixed phases are present. The phase transformations predicted were confirmed by etallographic analyses.…”
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