Vol. 26 No. 3

Review paper

• Isolation and characterization of neutral, acid and basic fractions from a heavy crude oil and its natural surfactants

  Gerson Chávez, Eliseo Vivas, Bélgica Bravo, Fredy Ysambertt, Nelson Márquez

  • PDF (Español (España))
• Simulation of the EDC Purification Unit of a MVC Plant

  Yadira López, Jorge Sánchez, José Hernández, Ingrid Leal

  • PDF (Español (España))
• Methodology to establish stability regions for controllers performance. Case of study: Sliding mode controllers

  Oscar Camacho, Rubén Rojas, Luis González

  • PDF (Español (España))
• Potential in bidimensional wedge domains

  J. Hildemaro Briceño, Florencio Plachco

  • PDF (Español (España))
• A fuzzy logic controller with fuzzy scaling factor calculator applied to a nonlinear chemical process

  Alessandro Anzalone, Edinzo Iglesias, Yohn García, Carlos Smith

  • PDF (Español (España))
• Partial least squares (PLS) regression and its application to coal analysis

  Carlos Alciaturi, Marcos Escobar, Carlos De La Cruz, Carlos Rincón

  • PDF (Español (España))
• A Fokker-Planck equation with a boundary condition

  Jorge Guíñez, íngel Rueda, Robert Quintero

  • PDF (Español (España))
• Digital processing of geoelectrics data applying the Ridge Regression in the Parish Olegario Villalobos of the Municipality Maracaibo, Zulia State

  Wilmer Márquez, María Cardozo, Gerson Villasmil

  • PDF (Español (España))