Vol. 18 No. 2

Review paper

• Some results involving generalized Hermite polynomials H2n+r,a (X)

  Claudio Segundo Hurtado Petit, Beatriz González Matos

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• A note on generalized finite Hankel transforms of the second and third kind

  Misvely Bermúdez

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• Homomorphisms similar to completely contractive homomorphims

  Wilson Pacheco

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• Experimental study of suppression and blocking in internal model control

  Luis Abud, Javier Bastidas, Carlos Vinante

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• Lattice parameters and the phase diagram of pure and Fe doped CuInxGa1-xSe2 alloys

  Carlos Duarte, S.M Wasim

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• Geoidal correction methods for GPS geodetics measurements (Geoidal correction)

  Luis Franco, Melvin Hoyer

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• Multiobjetive optimum design of a two column radiator of central heating

  Jerzy Kowalski

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• Limiting effects of ionie migration on the ion-exchange kinetics under the solid-phase control

  C. Sarmiento, I. Arrieta, C. García

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• Effect of reactants and products in the oxidative coupling of methane over PbO/SiO2 catalysts

  Xiomara Méndez, Dora Finol, Heli Lugo

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• effect of initial pH; addition of Fe++; methanol and the dilution rate on the production of citric acid

  Marisela Rincón, Gisela Páez, José Ramos Ferrer, Zulay Mármol, Eduardo Ramones

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• Experimental determination of kinetic constants, stoichiometric coefficients, nitrogen content and heavy metals in an activated sludge pilot plant

  Oleyda Morón, Trina Torres, Oneida Morón Fuenmayor

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