Search Results - ((peso OR part) OR (presente OR (compcppcppcppcppcppcppcppeso OR compcppcppcppcppcppcppcppeso)))

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... by 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. …”
Get full text

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... by 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. …”
Get full text

Digestive enzyme activity and food ingesta in juvenile shrimp Litopenaeus vannamei (Boone, 1931) as a function of body weight by 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. …”
Get full text

Percepción global de los espectadores durante un partido de futbol. Caso Estadio Santiago Bernabeu by 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. …”
Get full text

Reconstrucción de precipitación e incendios en bosques de coníferas en el ejido Adolfo Ruiz Cortines, Pueblo nuevo, Durango. by 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. …”
Get full text

Study of the mechanism of cell death caused by peptides targeting CD47 in leukemia cell lines. by Gómez Morales, Luis

“…Therefore, the objective of the present work was to study the PKHB1-induced cell death mechanism in other types of leukemia. …”
Get full text

Polyphenolic content, in vitro antioxidant activity and chemical composition of extract from Nephelium lappaceum L. (Mexican rambutan) husk by 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. …”
Get full text

Increasing rates of Clostridium difficile infection in Mexican hospitals by 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. …”
Get full text

The esperanza window trap reduces the human biting rate of Simulium ochraceum s.l. in formerly onchocerciasis endemic foci in Southern Mexico by 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. …”
Get full text

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 by 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. …”
Get full text

Use of iodine to biofortify and promote growth and stress tolerance in crops by 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. …”
Get full text

Synthesis of mixed Cu/Ce oxide nanoparticles by the oil-in-water microemulsion reaction method by 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. …”
Get full text

Morphological and Genetic Variation in Mexican Wild Populations ofTamarixia radiata(Hymenoptera: Eulophidae) by 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. …”
Get full text

Thermomechanical Analysis on Ti-Ni Shape Memory Helical Springs Under Cyclic Tensile Loads by 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. …”
Get full text

Quenching simulation of steel grinding balls by 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.…”
Get full text

Antibacterial and Antibiofilm Activities of the Photothermal Therapy Using Gold Nanorods against Seven Different Bacterial Strains by Castillo Martínez, Juan Carlos, Martínez Castañón, Gabriel Alejandro, Martínez Gutiérrez, Fidel, Zavala Alonso, Norma Verónica, Patiño Marín, Nuria, Niño Martínez, Nereyda, Zaragoza Magaña, Valentín, Cabral Romero, Claudio

“…Surprisingly, the AuNRs alone presented a high antibiofilm activity, inhibiting the biofilm formation of S. mutans. …”
Get full text

Do Musicians with Perfect Pitch Have More Autism Traits than Musicians without Perfect Pitch? An Empirical Study by Krueger, Frank, Dohn, Anders, Garza Villarreal, Eduardo A., Heaton, Pamela, Vuust, Peter

“…Here, we determine whether individual autistic traits are present in people with AP. We quantified subclinical levels of autism traits using the Autism-Spectrum Quotient (AQ) in three matched groups of subjects: 16 musicians with AP (APs), 18 musicians without AP (non-APs), and 16 non-musicians. …”
Get full text

Molecular annotation of ketol-acid reductoisomerases fromStreptomycesreveals a novel amino acid biosynthesis interlock mediated by enzyme promiscuity by Verdel Aranda, Karina, López Cortina, Susana, Hodgson, David A., Barona Gómez, Francisco

“…Moreover, both ilvC orthologues and paralogues were analysed, such that the relationship between gene duplication and functional diversification could be explored. The KARI paralogues present in S. coelicolor and Streptomyces lividans, despite their conserved high sequence identity (97%), were shown to be more promiscuous, suggesting a recent functional diversification. …”
Get full text

Growth of vertically aligned ZnO nanorods using textured ZnO films by Solís Pomar, Francisco, Martínez, Eduardo, Meléndrez, Manuel F., Pérez Tijerina, Eduardo

“…A hydrothermal method to grow vertical-aligned ZnO nanorod arrays on ZnO films obtained by atomic layer deposition (ALD) is presented. The growth of ZnO nanorods is studied as function of the crystallographic orientation of the ZnO films deposited on silicon (100) substrates. …”
Get full text

Occurrence and quantitative microbial risk assessment of Cryptosporidium and Giardia in soil and air samples by Balderrama Carmona, Ana Paola, Gortáres Moroyoqui, Pablo, Alvarez Valencia, Luis Humberto, Castro Espinoza, Luciano, Mondaca Fernández, Iram, Balderas Cortés, José de Jesús, Chaidez Quiroz, Cristóbal, Meza Montenegro, María Mercedes

“…To our knowledge, the results obtained in the present study represent the first QMRAs for cryptosporidiosis and giardiasis due to soil and air inhalation/ingestion in Mexico. …”
Get full text