Vol. 5 No. 2 (2013)

Published December 9, 2013
Volumen 5 - Número 2
Full Issue
PDF (Spanish)

SECTION A: EXACT SCIENCES

Jorge F. Fraga, Luis Miguel Prócel, Lionel Trojman, Francisco Javier Torres
A DFT Study of the Components of a Hf/HfO2/TiN three-layer stack
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.130
Carlos A. Marín
Wormholes practicable in a cosmological background
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DOI: https://doi.org/10.18272/aci.v5i2.131

SECTION B: LIFE SCIENCES

Diego F. Cisneros-Heredia
Centrolene ritaeLutz is a senior synonym of Cochranella oyampiensis Lescure and Cochranella ametarsia Flores (Anura: Centrolenidae)
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.132
Marco M. Reyes-Puig, Juan Pablo Reyes-Puig, Mario H. Yánez-Muñoz
Terrestrial frogs of the genus Pristimantis (Anura: Craugastoridae) from the River Zúñag Ecological Reserve, Tungurahua, Ecuador: Annotated list and description of a new species
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.133
Stephanie Anchaluisa, Esteban Suárez R.
Fire Effects on the structure, microclimate and ecosystem functions of eucalyptus plantations (Eucalyptus globulus; Myrtaceae) in the Metropolitan District of Quito, Ecuador
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.134
Juan F. Freile, Roger Ahlman, Dušan Milan Brinkhuizen, Paul J. Greenfield, Alejandro Solano-Ugalde, Lelis Navarrete, Robert Sterling Ridgely
Rare birds in Ecuador: first annual report of the Committee of Ecuadorian Records in Ornithology (CERO)
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.135

SECTION C: ENGINEERING

Karen Naciph, Laura Rivadeneira, María del Carmen Cazorla
Calculation of CO2 emissions from the Universidad San Francisco de Quito, belonging to the category of student transportation in Second Semester 2012-2013
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.136
Jesús Portilla-Yandún, Ana Caicedo-Laurido, Roberto Padilla-Hernández
Observations of directional wave spectra in the Colombian Pacific
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.137
Gabriel Gaona, Emmanuelle Quentin, Jerko Labus
Homogeneity and spatial variability of meteorological series in “Yachay - City of Knowledge” project area
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.138
Juan F. Oviedo, Lionel Trojman, Thomas Kauerauf, Edison A. Bonifaz
Thermal-Electrical finite element analysis of nanometric copper vias under high fluence stress
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.139
Gabriela Cobo, Maggy Quiroz, Stalin Santacruz
Partial substitution of wheat (Triticum aestivum) for arracacha (Arracacia xanthorrhiza B.) in making bread
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.140
Francisco Cuesta, René P. Játiva E.
Development of Monitoring Methods for a GPS based Smart Antenna System
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.141
Roberto Brown-Pérez, Mario Caviedes, Eduardo Uzcátegui, Antonio León-Reyes
Effect of managing curtains on days to harvest and export quality rose (Rosa sp. var. Freedom) grown in greenhouses
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.142
María José Borja, Mario Caviedes
Evaluation of two seed production cycles in two varieties of black corn (Zea mays L.) in Tumbaco, Pichincha
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.143
María del Carmen Cazorla
Analysis of the hourly average data of solar radiation flux and ozone concentrations in the Quito Metropolitan District from 2007 to 2012
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.144
René Parra Narváez, María José Ayala
Future scenario coverage of oil palm trees in Ecuador to evaluate their impact on air quality in Quito
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.145
C. Rivadeneira, Edison A. Bonifaz
Finite Element Modelling in Premolar Teeth
PDF (Spanish)
DOI: https://doi.org/10.18272/aci.v5i2.146