Vol. 19 No. 1 (2009)

ARTICLES

• Construction of a cryptosystem using the AES box and a bijective function from the natural numbers to the set of permutations

  Víctor Manuel Silva García, Michael Klaus Lindig Bos, Cornelio Yáñez Márquez, Rolando Flores Carapia, Itzamá López Yáñez

  5-24

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  DOI: https://doi.org/10.18359/rcin.307

• Evaluation of the effectiveness of fixed bed reactors using waste water of sugar craft mills

  Gloria Lucía Cárdenas Calvachi, Robert Mauricio Ramos Ramos

  25-38

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  DOI: https://doi.org/10.18359/rcin.308

• Estimation of the natural vibration periods in traditional housing with concrete walls

  Wilmer Julián Carrillo León

  39-54

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  DOI: https://doi.org/10.18359/rcin.309

• Strength to the cutting in discontinuities with different degrees of roughness

  Javier Fernando Camacho Tauta, Oscar Javier Reyes-Ortiz, Andrés Nieto Leal, Sebastián Millán Montejo, Fredy Rincón Morantes

  55-70

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  DOI: https://doi.org/10.18359/rcin.310

• Design of educational software based on skills

  Manuel Fernando Caro Piñeres, Raúl Emiro Toscazo Miranda, Filadelfia María Hernández Rozo, María Elena David Lobo

  71-98

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  DOI: https://doi.org/10.18359/rcin.311

• Evaluation of the interactive television from a perspective of use: Practical case

  César Alberto Collazos Ordoñez, José Luís Arciniegas Herrera

  99-106

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  DOI: https://doi.org/10.18359/rcin.312

• Development of a building simulator with a variety of parameters

  Andrés Enrique Rosso Mateus, José Jairo Soriano Méndez

  107-120

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  DOI: https://doi.org/10.18359/rcin.313

• Application for recognition of ante and pos mortem of soldiers in service

  Mauro Callejas Cuervo, Yolvy Amileth Turizo Ascencio, Diego Arturo Sánchez Cárdenas

  121-130

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  DOI: https://doi.org/10.18359/rcin.314