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José D. Hoyos, Camilo Echavarría, Juan P. Alvarado, Gustavo Suárez, Juliana A. Niño and Jorge I. García
An aero-structural algorithm to optimize a flying wing in cruise conditions for preliminary design is developed using two-way interaction between the structure and aerodynamics. A particle swarm routine is employed to solve the multi-objective optimizati...
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Darwin N. Arcos-Álvarez, Edgar Aguilar-Urquizo, Julio Ramon-Ugalde, Emanuel Hernández-Núñez, Germán Giácoman-Vallejos, Avel Adolfo González-Sánchez, Carlos Juan Alvarado-Lopez, Manuel Gonzalez-Ronquillo, Alfonso J. Chay-Canul, Einar Vargas-Bello-Pérez and Angel T. Piñeiro-Vázquez
The aim of this study was to determine the effect of olive oil addition on the production, chemical composition, and fatty acid profile of sheep?s milk. Twenty-four lactating ewes with a live weight of 34.6 ± 4.61 kg were used. The animals were randomly ...
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José D. Hoyos, Jesús H. Jiménez, Camilo Echavarría, Juan P. Alvarado and Germán Urrea
An aero-structural algorithm to reduce the energy consumption of a propeller-driven aircraft is developed through a propeller design method coupled with a Particle Swarm Optimization (PSO). A wide range of propeller parameters is considered in the optimi...
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Oscar Danilo Montoya, Juan S. Giraldo, Luis Fernando Grisales-Noreña, Harold R. Chamorro and Lazaro Alvarado-Barrios
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Cecilia López P., Daniel Ruiz, Sandra Jerez, Sandra Aguilar, Juan F. Torres, Yezid A. Alvarado
Pág. e347
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Luis Bernardo López-Sosa, José Juan Alvarado-Flores, Juan Carlos Corral-Huacuz, Arturo Aguilera-Mandujano, Rosa E. Rodríguez-Martínez, Santiago José Guevara-Martínez, Jorge Víctor Alcaraz-Vera, José Guadalupe Rutiaga-Quiñones, Juan Zárate-Medina, María Liliana Ávalos-Rodríguez and Mario Morales-Máximo
This study presents a prospective study for the potential exploitation of pelagic Sargassum spp. as a solid biofuel energy source. It was carried out in three stages. First we conducted a morphological, physical-chemical, and structural characterization ...
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Jorge Eduardo Bustillos A., Jorge Eduardo Romero, Alicia Guevara C., Juan Díaz-Alvarado
Pág. 47 - 77
The Tungurahua volcano (Northern Andean Volcanic Zone) has been erupting since 1999, with at least
four eruptive phases up to present. Although a dozen of research focuses in tephra fall deposits during this period, none
of them cover the full eruptive c...
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Jorge Gutiérrez-Tlahque,César Leobardo Aguirre-Mancilla,Juan Carlos Raya-Pérez,Juan Gabriel Ramírez-Pimentel,Rubén Jiménez-Alvarado,Alma Delia Hernández-Fuentes
Pág. 70 - 81
The aim of this work was to determine the antioxidant activity, total phenolic content (TPC) and total flavonoid content (TFC) in the rhizomes and stems of Jatropha dioica and their relation to collection season, collection location, extraction...
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Long Ho, Duy Tan Pham, Wout Van Echelpoel, Leacky Muchene, Ziv Shkedy, Andres Alvarado, Juan Espinoza-Palacios, Maria Arevalo-Durazno, Olivier Thas and Peter Goethals
Dissolved oxygen is an essential controlling factor in the performance of facultative and maturation ponds since both take many advantages of algal photosynthetic oxygenation. The rate of this photosynthesis strongly depends on the time during the day an...
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Juan Miguel Mantilla González,Diego Alexander Garzón Alvarado,Carlos Humberto Galeano Urueña
Pág. 232 - 242
Recent years have shown an increasing interest in ethanol blending to gasoline fuel, as well as a rapid implementation of this kind of biofuels in countries like Colombia. Taking into account the lack of studies about performance and emissions characteri...
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