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ISSN 0718-3291 Printed version
ISSN 0718-3305 Online version

Volume 28N.º 2 April - Jun 2020

Editorial

Evolution of the Paradigms of Mathematics
Heriberto Román Flores

Articles

Techniques for power transformers diagnosis: A critical review
Juan David Zorrilla Henao, Alexander Céspedes Fernández, Diego Fernando García Gómez
Dual-Band generation in rectangular patch antennas using separated slots based on cantor sequence
Andrés Hernández, Francisco López, Oscar Ossa
The using a co-rotating Timoshenko beam element in nonlinear analysis of beams, plane frames and 2D arches
William Taylor Matias Silva, María Paz Duque Gutiérrez, Gabriel Costa de Oliveira
Electric energy supply system for actuators based on shape memory alloys
Luis A. Mier-Quiroga, César L. Ramírez-Chávez, Daniel Maldonado-Onofre
Experimental determination of fall velocity of non-cohesive sediment
Bruno César Comini de Andrade, Jorge Luis Zegarra Tarqui
Drying rate of three types of solar dryers in golden berry (Physalis Peruviana L.)
Camayo Lapa Bécquer Frauberth, Pablo Camargo Leonardo Ederson, Eguavil Tony Torres, Juan Raúl Massipe Hernández, Marcos Quispe Flores
Structural and morphotectonic analysis to the north of Valledupar-Cesar, Colombia: contribution to the studies of seismic danger of the Rio Seco Fault
Frank David Lascarro Navarro, Milton David Lozada Molina, Dino Carmelo Manco Jaraba, Elías Ernesto Rojas Martínez
Design and implementation of an alternative process for the manufacture of bricks from gold mine tailings
Juan Valdez Loaiza, José Aguilar Franco, Lourdes Sánchez Vargas, Giovani Alatrista Góngora, Alexia Pardo Figueroa Dianderas
Optimizing production capacity in a food company using discrete event simulation
Lina Vanessa Peña Ariza, Heriberto Alexander Felizzola Jimenez
Analysis of maintenance policies supported by simulation in a flexible manufacturing cell
Miguel Afonso Sellitto
Experimental dynamic characterization of composites reinforced with natural fiber of fique
Sergio Andrés Gómez Suárez, Bladimir Azdrubal Ramón Valencia, Alfonso Santos Jaimes
Biological system analysis for domestic wastewater treatment in Colombia
Adriana K.N. Vargas, Jimmy Calderón, David Velásquez, Milton Castro, Diego A. Núñez
Experimental study of the group effect of short piles excavated in a granular soil profile
Victor Hugo Fernandes Bonan, Alfran Sampaio Moura, Grover Romer Llanque Ayala
Production of minerals paste from phosphates sludge
R.H. Olcay B., C.A. Hernández O., G.E.S. Valadão, A.P. Chaves
Granular aerobic systems: viable technology for wastewater treatment and its reuse for Chilean condominium
Natalia Araneda, Daniel Valenzuela-Heredia, José Luis Campos, Paula Carrera, Marisol Belmonte, Anuska Mosquera-Corral, Ángeles Val de Río
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