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Characterization of fine-grained material ejected by the cotopaxi volcano employing X-ray diffraction and electron diffraction scattering techniques
ArticleAbstract: After 138 years of apparent silence, the Cotopaxi volcano awoke on August 14th of 2015 with a sequenPalabras claves:Characterization of ash particles, Chemical composition of tephra, Cotopaxi Volcano, granulometry, Volcanic reactivationAutores:Andrea V. Vaca, Carlos R. Arroyo, Debut Alexis, Eduardo Aguilera, Iván Fernando Palacios-Orejuela, Luis H. Cumbal, Mario Cruz D'Howitt, Theofilos ToulkeridisFuentes:scopusAnalysis of the fracture of steel reinforcing bars under low cycle fatigue
ArticleAbstract: In this work we have analyzed the dynamic behavior of steel reinforcing bars under low cycle force-cPalabras claves:ASTM A706, Low cycle fatigue, Steel reinforcing barsAutores:Andrea V. Vaca, Carlos R. Arroyo, Debut Alexis, Lenin R. Abatta, Leonardo Goyos Pérez, Reinaldo Delgado-GarciaFuentes:scopusEpoxy resin mold and PDMS microfluidic devices through photopolymer flexographic printing plate
ArticleAbstract: Photopolymer flexographic printing plate is a new photopolymeric material used for microdevices fabrPalabras claves:Epoxy resin, Microdroplets generation, microfluidics, PDMS microdevice, Photopolymer flexographicAutores:Andrea V. Vaca, Carlos R. Arroyo, de Sá Carneiro I., Debut Alexis, Gustavo Iván Rosero Yañez, Karla Sofía Vizuete Armendáriz, Karla Vizuete, Lerner B., Luis Cumbal, Professor, Luis H. Cumbal, Olmos C.M., Penãherrera A., Perez C., Perez M.S.Fuentes:googlescopusInfluence of thermal treatment and aging time on the stability and swelling properties of nano/micron-sized polymeric spheres for improved oil recovery application
ArticleAbstract: Understanding the knowledge of swelling and stability properties of polymeric spheres are essentialPalabras claves:improved oil recovery, microdevice, polymeric spheres, stability, swellingAutores:Andrea V. Vaca, Debut Alexis, Gustavo Iván Rosero Yañez, Hernandez M.I., Karla Vizuete, Lasorsa C., Lerner B., Luis H. Cumbal, Masiero D., Olmos C.M., Penãherrera A., Perez M.S.Fuentes:scopusReliable tools for quantifying the morphogical properties at the nanoscale
ArticleAbstract: We have developed a fast, reliable and robust code to analyze size distributions and morphological pPalabras claves:fractal dimension, image analysis, Nanoparticles, Particle size distribution, Transmission electron microscopy, Watershed transformationAutores:Andrea V. Vaca, Carlos R. Arroyo, Debut Alexis, Dr Brajesh Kumar, Katherine Guzmán, Luis Cumbal, Professor, Luis H. Cumbal, Stael C.Fuentes:googlescopus