v. 26 n. 3

artigo de atualização

• 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

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• Simulation of the EDC Purification Unit of a MVC Plant

  Yadira López, Jorge Sánchez, José Hernández, Ingrid Leal

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• Methodology to establish stability regions for controllers performance. Case of study: Sliding mode controllers

  Oscar Camacho, Rubén Rojas, Luis González

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• Potential in bidimensional wedge domains

  J. Hildemaro Briceño, Florencio Plachco

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• A fuzzy logic controller with fuzzy scaling factor calculator applied to a nonlinear chemical process

  Alessandro Anzalone, Edinzo Iglesias, Yohn García, Carlos Smith

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

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

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• A Fokker-Planck equation with a boundary condition

  Jorge Guíñez, íngel Rueda, Robert Quintero

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• 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

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