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Vol. 44 No. 2 (2021)

Published: 2021-04-15

Editorial

Venezuelan Universities through the Academic Rankings Venezuelan Universities through the Academic Rankings

Nilda Fabiola Rosales-López

60-61
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Artículos de Investigación

Bacterial biodiversity analysis in a stream with continuous disposal of hydrocarbon effluents Bacterial biodiversity analysis in a stream with continuous disposal of hydrocarbon effluents

Marelis M. Ruiz, Elen Bethleen de Souza Carvalho, Marcelo de Oliveira, Bruno César Ladeira

62-74
Water use Efficiency in Surface and Subsurface Drip Irrigation in Zea mays L. Water use Efficiency in Surface and Subsurface Drip Irrigation in Zea mays L.

José Lauro Conde-Solano, Adriana Beatriz Sánchez-Urdaneta, Ciolys Beatriz Colmenares de Ortega, Jorge Ortega Alcalá, Edison Ramiro Vásquez

75-82
Evaluation of 1.25Cr0.5Mo steel behaviour in creep conditions Evaluation of 1.25Cr0.5Mo steel behaviour in creep conditions

Alfonso Rafael Fernández-Fuentes , Amado Cruz-Crespo , Americo Scotti , Nelson Guedes-De Alcãntara

83-91
Experimental Behavior of Welded Connections Between Square Steel Tubes Conformed by G Profiles of 60x30x10x2 and 80x40x15x3 mm Subjected to Monotonic Load Experimental Behavior of Welded Connections Between Square Steel Tubes Conformed by G Profiles of 60x30x10x2 and 80x40x15x3 mm Subjected to Monotonic Load

Carlos Alberto Romero Romero, Franklin Paul Verdugo Astudillo, Julio Sebastián Bejarano Saritama, José Domingo Alviar Malabet, Nelson Andrés López Machado

92-103
Technical-economic analysis of industrial buildings using non-linear Lagrange interpolation Technical-economic analysis of industrial buildings using non-linear Lagrange interpolation

Diego Fernando Loachamin-Chano, Andrea Elizabeth Freire Luna, David Patricio Guerrero Cuasapaz, Milton Bolívar Guerrón Figueroa

104-116
Relationship of the SAW Coatings Composition with the Composition of Fluxes Obtained with Steel Slag and Rice Husk Ashes Relationship of the SAW Coatings Composition with the Composition of Fluxes Obtained with Steel Slag and Rice Husk Ashes

Rodolfo Najarro Quintero, Amado Cruz-Crespo, Lorenzo Perdomo González, Alejandro Duffus Scott, Geannys Almeida Espinosa, Marioxy Janeth Morales Torres

117-126
Design, Fabrication and Characterization of Thin-Film p-CdTe/n-CdS Solar Cells Design, Fabrication and Characterization of Thin-Film p-CdTe/n-CdS Solar Cells

Pedro Grima-Gallardo, Bernardo Conquet, Elías Rafael Sánchez Verde, Miguel A. Contreras-Rangel, Luis Nieves, Ana del Valle Velasquez-Velasquez, William Jose González-Escalona, Luis Alfonso Ruiz Echenagucia

127-136