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Vol. 20 Núm. 1

Publicado: 2010-11-11

Editorial

Editorial

Helí Lugo
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Artículos de Investigación

Calculation of postenseness loss on table beams of central piers of General Rafael Urdaneta Bridge

Antonio Sarcos Portillo, Hildrun García Legl
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An electrochemical study of Ca5(PO4)3OH as steel corrosion inhibitor in chlorides-contamined concrete

Orlando Pérez, Oleyda Morón, Oladis de Rincón
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Stability analysis of points in geodetic monitoring networks using the MINQUE method and the weighted similarity transformation

Eulalio Ortiz, Adonis Marcano, Julio Leal
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Advances in Venezuelan geodetic datum transformations between La Canoa and the geocentric WGS-84 reference system

Melvin Hoyer, Gustavo Acuña, Eugen Wildermann, Giovanni Royero, Vianey Salazar
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Evaluating the Amuay Refinery main catalytic cracking unit fractionator

Ebert Cabrera, Augusto Bitter, Jorge Sánchez
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The use of crude oil light hydrocarbon fractions as scintillators in radioactive counting

A. Cavado, N. Mora, M. Fuentes, L. Ríos, A. Navarro, J. Pérez, F. Jáuregui, L. Desdín
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Redesign and start up operation a bioreactor at pilot plant scale for solid-state fermentation processes

Nicolino Bracho, Miguel Rondón, Cateryna Aiello, Alexis Ferrer, Arelis López
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Separating organochlorine pesticides by high performance liquid chromatography. A technical note

R. Bauza, N. Subero, F. Ysambertt, N. Márquez
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Stabilization pond effluents polishing by slow sand filtration

Leonardo Guerrero, Lenín Herrera
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