Vol. 6 No. 1 (2014) | ACI Avances en Ciencias e Ingenierías

SECTION A: EXACT SCIENCES

Joaquín Valerio Grefa, Carlos A. Marín

Calculation of radar signals delay to second order in the frame of the General Relativity Theory

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DOI: https://doi.org/10.18272/aci.v6i1.147

Bryan Maldonado, John Skukalek

The Fundamental Group of a Group Acting on a Topological Space

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DOI: https://doi.org/10.18272/aci.v6i1.148

Francesco Aldo Costabile, Luca Guzzardi

On a class of embedded cubature formulae on the simplex

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DOI: https://doi.org/10.18272/aci.v6i1.149

SECTION B: LIFE SCIENCES

Juan F. Freile, Roger Ahlman, DuÅ¡an Milan Brinkhuizen, Paul J. Greenfield, Alejandro Solano-Ugalde, Lelis Navarrete, Robert Sterling Ridgely

Erratum: Rare birds in Ecuador: first annual report of the Committee of Ecuadorian Records in Ornithology (CERO). Published in Avances en Ciencias e Ingenierías, 2013, Vol. 5, No. 2, Pags. B24-B41

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DOI: https://doi.org/10.18272/aci.v6i1.150

Mario H. Yánez-Muñoz, Juan Carlos Sánchez L., Karem López, Edison Rea S., Paúl A. Meza-Ramos, Luis A. Oyagata C., Paúl Guerrero

Expansion of the distributional range of some species of amphibians and reptiles insouthwestern Ecuador

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DOI: https://doi.org/10.18272/aci.v6i1.151

Diego Batallas R., Jorge Brito M.

Description of the advertisement call of Noblella lochites (Anura: Craugastoridae)

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DOI: https://doi.org/10.18272/aci.v6i1.152

Glenda M. Pozo-Zamora, Cesar Garzón, Gabriela Echeverría-Vaca, Katherine León

New data of the distribution of the Green-fronted Lancebill Doryfera ludovicae (Trochilidae) and of the Olive Finch Arremon castaneiceps (Emberizidae) in the province of El Oro, Ecuador

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DOI: https://doi.org/10.18272/aci.v6i1.153

Gabriela Chiriboga, Eduardo Uzcátegui, Raúl de la Torre

Nutritional evaluation of the sesame seed paste (Sesamum indicum L.) as replacement of the soybean paste in the growth of Common Quail (Coturnix coturnix)

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DOI: https://doi.org/10.18272/aci.v6i1.154

Linda Guamán, Sonia Zapata, Mariela Serrano, Gabriel A. Trueba P.

Characterization of lactic acid bacteria isolated from traditional Ecuadorian fermented foods

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DOI: https://doi.org/10.18272/aci.v6i1.155

Karla Rojas, Judith Denkinger, Venancio S. Arahana B., Denisse Dalgo, María de Lourdes Torres P.

Analysis of the site fidelity between male and female humpback whales, visiting the Esmeraldas coasts (Ecuador)

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DOI: https://doi.org/10.18272/aci.v6i1.156

Álvaro Cañadas, Frantisek Vilcko, Diana Rade, Carlos Zambrano, Carlos Molina

Towards a shank description for Laurel Cordia alliodora in agroforestry systems in Bosque Protector Sumaco, Ecuador

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DOI: https://doi.org/10.18272/aci.v6i1.157

Paulina Viviana Jaramillo, Venancio S. Arahana B., María de Lourdes Torres P.

Determination of the level of tolerance to salinity in in vitro conditions of the plants of tomate de árbol (Solanum betaceum) from different localities of the ecuatorian highlands

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DOI: https://doi.org/10.18272/aci.v6i1.158

Verónica L. Urgilés, Juan Carlos Sánchez-Nivicela, Cristian Nieves, Mario H. Yánez-Muñoz

Terrestrial frogs in southern Andean ecosystems of Ecuador I: Two new species of Pristimantis (Anura: Craugastoridae) of the eastern versant

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DOI: https://doi.org/10.18272/aci.v6i1.159

Miguel Monar, Irene Dávalos, Sonia Zapata, Mario Caviedes, Lucía Ramírez-Cárdenas

Chemical and microbiological characterization of Ecuadorian homemade water kefir

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DOI: https://doi.org/10.18272/aci.v6i1.160

SECTION C: ENGINEERING

Laura Rivadeneira, Julieta Juncosa, Karen Naciph, María del Carmen Cazorla

Universidad San Francisco de Quito Faculty CO₂ emissions due to transportation during the Spring Semester 2014

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DOI: https://doi.org/10.18272/aci.v6i1.161

Fabricio Yépez, Francisco X. Calderón

Design of high performance concrete: high compressive strength, adequate workability and high resistance to erosion - abrasion for hydraulic works

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DOI: https://doi.org/10.18272/aci.v6i1.162

Luis Miguel Prócel, Lionel Trojman

TCAD Simulation for ultrathin body and buried oxide fully depleted silicon-on-insulator MOSFET: a comparison between COMSOL and Sentaurus

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DOI: https://doi.org/10.18272/aci.v6i1.163

Paola Carrillo, Roberto Maldonado, Alexandra Palomeque, Joselyn Yugsi, Lucía Ramírez-Cárdenas

Study of the use of modified atmospheres on the storage of “Sweetcrust pastry” (precooked mass)

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DOI: https://doi.org/10.18272/aci.v6i1.164

I. A. Grant Wilson, Anthony J. R. Rennie, Peter J. Hall, Nicolas J. Kelly

A daily representation of Great Britain’s energy vectors: natural gas, electricity and transport fuels

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DOI: https://doi.org/10.18272/aci.v6i1.165

Nicolás Soria, Daniel Cabrera, Paulo Guerra

Design and Construction of a ROV (Remotely Operated Vehicule) Submarine USFQ

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DOI: https://doi.org/10.18272/aci.v6i1.166