Automotive Engineering

Evaluation of correlations of flow boiling heat transfer of R600a in a flat-plate solar collector/evaporator
William Quitiaquez, Karen Anchapaxi, Eduardo Cortez, César Isaza-Roldán, César Nieto-Londoño and Fernando Toapanta-Ramos
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Influence of Failures Not Detected by the On-Board Diagnostic System on the Performance and Pollutant Emissions of a Spark Ignition Engine
Jairo Castillo-Calderón, Diego Díaz Sinche, Rubén Carrión Jaura and Diego Rivera Campoverde
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Characterization of mechanical properties of materials composed for an electric sports vehicle for academic purposes
Diana Carolina Dulcey, Omar Lengerke Perez, Arly Dario Rincón Quintero, Camilo Leonardo Sandoval Rodriguez, Carlos Gerardo Cárdenas Arias and Camilo Jose Castañeda Florez
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Computer’s Science

Skin lesion detection and classification by using Convolution Neural Network for Deep Feature extraction and Support Vector Machine
Oscar Patricio Yanchatuña Aguayo, Jackeline Pamela Pereira Carrillo, Kevin Pila Varela, Paola Aracely Vásquez Ucho, Keiko Sahori Veintimilla Carrión, Gandhi Fernando Villalba Meneses, Diego Alfonso Almeida Galárraga and Omar Alvarado Cando
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Hardware and Sofware Encoding using the h264_omx and libx264 libraries
Erika Serrano and Cinthya Campoverve
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Detection of Suspected of Breast Cancer using Thermal Images
Brian Meneses-Claudio, Witman Joel Alvarado-Díaz and Avid Roman-Gonzalez
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A VR-system to assess Stereopsis with visual stimulation: A Pilot Study of System Configuration
Sonia Elizabeth Cardenas Delgado, Mauricio Renan Loachamin Valencia, Pablo Stalin Guanoluisa Atiaga and Jose Xavier Monar Mejia
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RSA Over-Encryption employing RGB Channels through a Steganography variant
Ismael Martínez, Walter Fuertes, Mélany Palacios, David Escudero and Tatiana Noboa
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MARS, a potential classifier on large volumes of banking data
Iván F. Jaramillo, Ricardo Villarroel-Molina and Andrés Redchuk
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Bootstrap as a tool for web development and graphic optimization on mobile devices
Oscar Alexander López Gorozabel, Emilio Antonio Cedeño Palma, Walter Daniel Zambrano Romero and Jenmer Maricela Pinargote Ortega
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Using H5P services to enhance the student evaluation process in Programming courses at the Universidad Politécnica Salesiana (Guayaquil, Ecuador)
Joe Llerena-Izquierdo and Jonathan Zamora-Galindo
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Prediction of Parkinson’s Disease severity based on Gait Signals using a Neural Network and the Fast Fourier Transform
Jefferson Suquilanda, Marjorie Zambonino, Diana López Ramos, María Gabriela Pineda, Nataly Milan, Michelle Muñoz, Gandhi Fernando Villalba Meneses and Diego Alfonso Almeida Galárraga
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Remote variable monitoring App for mechanical ventilators used in COVID-19
Carlos MiÑo, Omar Flor, Josue Quiroga and Andrés Cuaycal
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An Analysis of Deep Learning Architectures for Cancer Diagnosis
Galo Enrique Valverde Landivar, Jorge André Bedor Caballero, Daniel Plua Moran, Miguel Angel Quiroz Martinez and Maikel Yelandi Leyva Vazquez
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Wearable Devices Information Security: An Overview
Angelo Brichetto, Santiago Criollo-C, Ángel. Jaramillo-Alcázar and Sergio Luján-Mora
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Prototype of a centralized alert and emergency system for Digital Terrestrial Television in Ecuador
Gonzalo Olmedo, Freddy Acosta, Diego Villamarín, Fabián Santander, Rosario Achig and Villie Morocho
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Identifying Similar Groups of Countries According to the Impact of Corona Virus (COVID-19) by a Two-layer Clustering Method
Juan Riofrio
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IoT-based sensor nodes for structural health monitoring of bridges
Jose Luis Molina León, Darwin Patricio Zhagñay Lazo, Milton Rodrigo Muñoz Calle, Remigio Clemente Guevara Baculima, Santiago Renán González Martínez and Jaime Enrique García Alvear
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Software Architecture for IoT-based solutions.
Félix Fernández-Peña and Carlos Jones
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Introducing Gamification in professional training
Henry Alvear, Hugo Arias-Flores, Carlos Ramos-Galarza and Janio Jadán-Guerrero
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Implementation of a tool for the Analysis of Multimedia traffic.
Paul Carrion and Jose Luis Molina
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Ensuring Traceability and Orchestration in the Food Supply Chain
Mauricio Espinoza, Victor Saquicela and Victoria Abril-Ulloa
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ToraxIA(TM): Machine Learning System forAutomatic Detection of Pathologic Sign andOrgan Detection from Chest X-ray
Martin Carnier, Raul Albertti, Liliana Gavidia, Erika Severeyn and Alexandra La Cruz
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Implementation of a Basic Risk Guide for Interactive Digital Terrestrial Television using learning objects
Villie Morocho, Paola Cardenas, Lourdes Illescas, Jorge Maza-Cordova and Rosario Achig
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Classification of Andean Chocho (Lupinus Mutabilis Sweet) by shape and color using artificial vision
Paul Freire, Ximena López, Byron Casignia, Santiago Cisneros and Maria Uvidia
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Deep Learning for Edge Computing: a Survey
Joffre Leon Veas, Luis Bryan Cordero Solis, Galo Valverde Landivar and Miguel Angel Quiroz Martinez
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Embedded system for fall detection in Activities of Daily Living ADLs: A time window analysis
Solange Bustos, María José Flores, David Pozo-Espín and Santiago Solórzano
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Identifying technological alternatives focused on early alert or detection of forest fires: Results derived from an empirical study
Efraín R. Fonseca C., Diego Marcillo, Santiago P. Jácome-Guerrero, Tatiana Gualotuña and Henry Cruz
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Network Neutrality: The case of five South American countries
Roberto Triviño, Antonio Franco and Rafael Leonardo Ochoa Urrego
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Industry 4.0 Technology to control Covid-19 in Peru
Jessica Acevedo Flores and Carlos Carlos Neyra Rivera
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Parallel Cpu-Based Processing For Automatic crop row detection in Corn Fields
Marco Pusdá-Chulde, Armando De Giusti, Erick Herrera-Granda and Iván García-Santillán
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SIR Model Parameter Fitting of SARS-CoV-2 Basic Reproduction Number in Venezuela and Ecuador Epidemic
Alexandra La Cruz, Erika Severeyn, Sara Wong and Jesus Velasquez
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Machine learning and color treatment for the forest fire and smoke detection systems and algorithms, a recent literature review
Henry Cruz, Tatiana Gualotuña, Maria Pinillos, Efraín Fonseca, Diego Marcillo and Santiago Jácome
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Dimensionality Reduction using PCA and CUR Algorithm for data on COVID-19 Tests
Marco Enríquez, Samantha Naranjo, Rafael Amaro and Franklin Camacho
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Design techniques of FTTH-GPON networks for segmentation and data traffic relief
Pablo Loayza-Valarezo, Javier Guaña-Moya and Patricia Acosta-Vargas
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Cyber security and the coronavirus pandemic: A cyber intelligence analysis of teleworking activities
David Puga and Rodrigo Tapia
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Mobile Application Operated to Support the Academic Independence of Students with Speech Therapy Limitations
Mauro Callejas-Cuervo, Miguel Ángel Beltrán Pérez and Walter Fuertes
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Earth and Construction Sciences

CHARACTERIZATION OF SAMPLES OF RIVER SEDIMENTS CORRESPONDING TO LOJA
Gabriela Andrade and Javier Martinez-Gomez
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Electric Power based on the Solid Urban Waste, applied to the district of Bellaterra in Barcelona-Spain
Alvaro Cedeño, Ilena Flores, Alberto Cuchí, Kenny Escobar-Segovia, Kenny Escobar-Segovia and Daniela Guzmán-Cadena
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Environmental risk from oil spill due to the rupture of SOTE and OCP pipelines, San Rafael Falls, Amazon Basin, Ecuador
Paulina Poma, Marco Usca, Alondra García-Villacres and Theofilos Toulkeridis
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Dynamic model of SARS-CoV-2 spread and drinking water consumption impact at Universidad de las Fuerzas Armadas ESPE, Ecuador
David Carrera-Villacrés, Camila Bahamonde-Coyago, Carlos Mancheno-Criollo, Robinson Mena-Castro, Josselyn Moreira-Pin, María Ordóñez-Ríos and Wilson Sailema-Hurtado
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Geospatial techniques for environmental impact assessment
Patricio Torres, Verónica Carrión, Oswaldo Padilla and Miriam Fernández
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Prototyping Urban Infrastructure for User-Centered and Sustainable Designs
Miguel Andrés Guerra
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Determination of compression stress and volumetric weight of lightened concrete blocks, with the use of recycled polymers and nanoadditives
Dayana Tito-Gonzaga, José Ricardo Durán-Carrillo, Iveth Carolina Robalino-Bedón and Theofilos Toulkeridis
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Spatial and temporal analysis of droughts in an Andean basin using the SPEI drought index (1982-2015)
Darío Xavier Zhiña, Daniel Mendoza, Jheimy Pacheco and Alex Avilés
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Variation in drinking water consumption due to the health emergency of SARS-CoV-2 through dynamic modeling in Macas City, Amazon region from Ecuador
David Carrera-Villacrés, Ivan Palacios, Tatiana Albán, Johanna Barahona, Doménica Calderón, Andrés Castelo and Michael Vega
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Design and built of a prototype for arsenic retention in waters contaminated by mining with the use of Technosols with nanoparticles
Iván Galarza, Darío Bolaños and Luis Cumbal
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Weather early warning system as a measure of adaptation to climate change and disaster risk reduction in Colombia.
Derly E Vera MogollÓn and Jacipt A RamÓn Valencia
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Assessment of rainfall prediction using climate models results and projections under future scenarios: the Machángara tropical Andean basin case
Angel Vázquez-Patiño, Mario Peña and Alex Avilés
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NO2 correlation using Sentinel – 5P images and on-site measurements during the evolution of COVID-19 and its influence in the Metropolitan District of Quito, Ecuador
Martha Correa, Mónica Duque, Mauricio Meza and Rodolfo Salazar
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Practical Methodology for Decision Making in the Acquisition of Heavy Equipment in Roads Construction
Jorge Jose Arroyo Orozco, Paula Silvana Alarcon Segura and Jorge Jose Arroyo Orozco
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Addition of Sawdust and Polystyrene in the Elaboration of Adobe Blocks for Single-Family Homes and its Effect on Temperature Variation and Acoustic Conditioning in Ambato, Tungurahua
Alex López, Diego Chérrez, Galo Nuñez and Jorge Guevara
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Addition of recyclable polyethylene terephthalate to optimize the properties of pervious concrete in light traffic pavement
Brayan Oyola Rojas, Yelsin Fredy Romaní Noa and Juan Jesús Soria Quijaite
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Pixel purity index applied to the mapping of soil degradation by the presence of cangahua in Ilaló volcano, Ecuador
Iván Palacios Orejuela, Dennis Ushiña Huera and David Carrera Villacrés
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Dynamic model for drinking water consumption in times of SARS-CoV-2 in Corazón city, Pangua, Cotopaxi, Ecuador, South America
David Carrera-Villacrés, Cristian Rosero, Kevin Gustavo Almeida Cuasapaz, Bayardo Gabriel Cacuango Ruiz, Mabel Alejandra Carvajal Chiza, Wilson Steven López Vargas, Alexander Joel Sopa Tipanquiza and Valentina Aurora Villamizar González
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Influence of anthropogenic activities on the concentration of pesticides, physicochemical and microbiological properties in the Chumbao River, Andahuaylas, Peru
Carlos Alberto Ligarda Samanez, David Choque Quispe, Betsy Suri Ramos Pacheco, Diego Elio Peralta Guevara, Aydee Marilú Solano Reynoso and Yudith Choque Quispe
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Economic and Administrative Sciences

Innovation persistence on Ecuadorian SMEs growth
Luis Enrique Simbaña, Mayra Alejandra Carrión Carcelén, Ximena Dayanara Tandazo Guillén, María Isabel Sánchez Pazmiño, Ximena Morales-Urrutia and David Rodeiro-Pazos
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Regional context influence in the innovation propensity companies in the low technology intensity manufacturing sector: study case Ecuador
Carmen Alexandra Armijos, José Mauricio Chávez and Mauricio Alexander Chavez
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Use and Impact of Big Data in Organizations
Víctor Cuenca, Myriam Urbina, Arcenio Córdova and Erick Cuenca
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Mobile application to market inventories of small merchants in the San Victorino sector in Bogotá: A strategy against COVID
Jasleidy Astrid Prada Segura and Jimmy Leonardo Velandia Daza
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METHODOLOGICAL TOOLS DESIGN TO TEACH ETHICS IN ACCOUNTING ACCORDING TO IFAC IES 4. AN APPROXIMATION TO THE GIVING VOICE TO VALUES (GVV) METHODOLOGY
María del Pilar Corredor García, Edward Quintero, Efrén Danilo Ariza Ruiz and Martha Isabel Amado
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Marketing Deportivo y su relación en la Creación de Valor para los clientes de Sport Center, Trujillo, 2019
Carlos Albán Bartra, Dalia Alcántara Sánchez and Julia Sagástegui Cruz
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Organizational Culture from the Focus of values in Competition: Current and Desired Situation in the University of the Armed Forces ESPE
Alvaro Patricio Carrillo Punina, Sandra Patricia Galarza Torres and Monica Franco Pombo
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Association of sociodemographic factors with the evolution of COVID 19 infections: Ecuadorian case study
Livino Armijos-Toro, Sergio Castillo-Páez and Paúl Medina-Vásquez
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The effect of Inventory Management on the devaluation of Pharmaceutical Products
Yesenia Martinez Carreño, Jiomayra Chávez Ronquillo and Beatriz Elizeth Baylon Gonzales
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Evolution of the Technologies used for the Customer Relationship Management CRM
Danilo Cruz-Frutos, Paola Pérez-Parrales and Patricio Medina-Chicaiza
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Decisive factors of business dynamism in Latin America: an approach from the New Institutional Economy perspective
Ximena Morales-Urrutia, Juan Salazar-Mera and Catalina Silva-Ordoñez
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Rural Tourism in Galicia: Current state and development of the sector
Ximena Morales-Urrutia, Jorge Guadalupe-Lanas, Diana Morales-Urrutia and Mónica Espinoza-Guano
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Critical Factors of Business Adaptability during Resilience in Baños de Agua Santa, Ecuador, due to Volcanic Hazards
Giovanni Herrera, Theofilos Toulkeridis, Eddy Castillo and Gonzalo Rodríguez
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Analysis of the social identity measurement of the enterprise founders in Equator
Maribel Maya, Valentina Ramos, Walter Ruiz and Cristina Sempertegui
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Ethics of the Accountant in the face of Tax Fraud Modalities
Mercedes Ccoyllo Alfaro, Geraldine Vilchez Campaña and Beatriz Elizeth Baylon Gonzales
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Business growth in Ecuador: a perspective from Penrose’s Theory of Resources and Capabilities
Ximena Morales-Urrutia, Juan Salazar-Mera and Catalina Silva-Ordoñez
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Adaptation of the Brad Rawlins model for link management of Universidad de las Fuerzas Armadas – ESPE stakeholders
Lorenzo Armijos, Angie Fernández, Sandra Galarza and Shirley Guerrero
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Marketing information systems in the management of COVID-19
José Gabriel Ruiz Andrade, Omaira Cecilia Martínez Moreno, Ricardo Verján Quiñones and Juan Carlos Robledo Fernández
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Procedure to identify actors that revitalize an incipient Defense industry under the five-helix approach
Angie Fernández, Manolo Paredes and Humberto Parra
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Tax Culture in the Collection of Municipal Taxes
Alberto Maguiña Guanilo, Angelica Mayorca Huané and Beatriz Elizeth Baylon Gonzales
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Public policies for rural tourism in Spain
Ximena Morales-Urrutia, Sandra Tejada-Moyano, Ibeth Molina Arcos and María Vargas-Ramos
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Entrepreneurship: The case of Ecuador
Tania Morales, Silvia Llamuca and Ibeth Molina
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Safey during the Fruit and Flowers Festival and its impact on local entrepreneurs
Tania Morales, Luis Gabriel Nuñez Torres and Geri Belén Bucheli Vasquez
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A retrospective and prospective analysis of social entrepreneurship: popular and solidarity economy in Ecuador
Ximena Morales-Urrutia, Aide Naranjo-Gaibor, Mónica Espinoza-Guano, Diana Morales-Urrutia and Simbaña-Taipe Luis
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Electrical and Electronic

Performance Comparison of Three Estimators and a Kalman Filter Applied to a CSTR
Santiago Cortes, Etty S. Vanegas and Luis C. Rodriguez
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Study of forced external convection and natural convection in different geometric configurations, applying LabView Software and Arduino Hardware
Arly Dario Rincón Quintero, Omar Lengerke Perez, Jessica Gissella Maradey Lazaro, Gianina Garrido Silva, Camilo Leonardo Sandoval Rodriguez and Jairo Andres Osorio Lizarazo
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Extended Evaluation of Loss-Based TCP Variants Performance over Optical Burst Switching (OBS) Networks case of Wx < Wmax and a particular case of Wx = Wmax
Antonio Venegas, Paola Venegas and Juan Francisco Chafla
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Regulation of Nonlinear Chemical Processes with Variable Dead Time: A Generalized Proportional Integral Controller Proposal
Willian Chacón, Jefferson Vallejo, Marco Herrera and Oscar Camacho
Preprint Media Attached

Transmission Expansion Planning Considering Grid Topology Changes and N-1 Contingencies Criteria
Diego Carrión, José Palacios, Manuel Espinel and Jorge W. González
Preprint Media Attached

Fractional PID position control tuned by Bio-Heuristics on an ARM platform
William Montalvo, Jose Iza and Jonathan Vilemaa
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Probabilistic analysis with DC-OPF for distributed generation with insertion of wind and photovoltaic farms
Darwin Cuasapaz, Adrian Carvajal, Livio Miniguano and Edwin Guanopatin
Preprint Media Attached

Classification and Prediction of Gender in Facial Images with CNN
Witman Alvarado-Diaz, Brian Meneses-Claudio and Avid Roman-Gonzalez
Preprint Media Attached

A Multivariate Signal Analysis of a Sensing Platform Prototype for Stress Detection
Andrés Arcentales, Daniel Triviño, Celena Betancourt, Iván Yépez, Darwin Alulema and Ana Guamán
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M-NUQAM Modulations with Constant Symbol Mean Energy
Fernando Lara, Miguel Castillo and Gonzalo Olmedo
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In Silico Comparison for Smith Predictors Applied to Processes with Elevated Delay and Noise Effects
Carlos Mejía and Oscar Camacho
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Evaluation of a hybrid solar-biomass cocoa dryer with a homogenizing drum system and control of thermodynamic variables using LabView Software and Arduino Hardware.
Arly Dario Rincón Quintero, Luis Alfonso Del Portillo-Valdés, Alexander Meneses Jacomé, Javier Gonzalo Ascanio Villabona, Brayan Eduardo Tarazona Romero and Miguel Arlenzo Duran Sarmiento
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Fuzzy and PID controllers performance analysis for a combined-cycle thermal power plant
Dennis Burgasi, Tania Orrala, Jacqueline Llanos, Diego Ortiz, Diego Arcos and Carolina Ponce
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Design and implementation of an adaptive LMS filter for humidity and temperature control in a bioreactor
Hugo Beatriz Cuellar, Jesus de la Cruz-Alejo and Ernesto Enciso Contreras
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Processes with Variable Parameters and Dominant Time Delay: A Fuzzy Adaptive Control Approaches Comparison
Edwin Anchitipan and Oscar Camacho
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Body temperature control using a robotic arm
José Varela-Aldás, Andrés Moreira, Paul Criollo and Guillermo Palacios-Navarro
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Study of transient angle stability in microgrids with synchronous generation through comparative analysis of operating scenarios
Iván Pazmiño, Edwin Ponce and Hugo Pico
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A brief approach of Microgrids implementation in Ecuador: A review
Mauricio Rodriguez, Antonio Salazar, Diego Arcos-Aviles, Jacqueline Llanos, Wilmar Martínez and Emilia Motoasca
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Evaluation of various CODECS on the quality of the Video considering scalability parameters.
Jhoselin Vera and Mateo Reino
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Virtual Festo MPS® PA workstation for level and temperature process control
Dario Chanchay, Juan Diego Feijoo, Jacqueline Llanos and Diego Ortiz
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Experimental Analysis using Action Units as Feature Descriptor for Emotion in people with Down Syndrome
Nancy Paredes, Eduardo Caicedo and Bladimir Bacca
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Adaptive video on demand for virtual education in Ecuador
Alvaro Armijos
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Proposal for an Architecture for Precision Agriculture Supported in IoT for an efficient Automatic Irrigation System
Edwar Andres Velarde, Edgar Acuña and Jose Aranibar
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Energy savings in Public Lighting, reduction of Light and Atmospheric Pollution in the city of Cuenca-Ecuador
Pulla Santiago, Icaza Daniel and Flores Carlos
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Myoelectric Control of an Upper Limb Prosthesis Applying Linear Discriminant Analysis
Roberto Castro Beltran, Andrés Escobar Olier and Etty Sierra Vanegas
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Energy and Mechanics

Analysis of Unmanned Aerial Vehicle (UAV) based on Solar Energy
Francisco Endara, Christian Perez, Jose Rodriguez, Diego Ortiz and Jacqueline Llanos
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Design of Pin on disk tribometer under international standards
Byron Dario Analuiza Hidalgo, Vanessa C. Erazo-Chamorro, Diana Belén Peralta Zurita, Ricardo P. Arciniega-Rocha, Paúl D. Rosero-Montalvo, Edilberto Antonio Llanes Cedeño and Gustavo Adolfo Moreno Jimenez
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Effect of conventional and ecological dielectric on the Wire electrical discharge machining WEDM process on AISI-D3 steel
Cristian Pérez-Salinas, Diego Molina and Esteban Ramirez
Preprint Media Attached

Corrosion analysis in different cookware materials
Javier Martinez-Gomez, Marco Orozco, Jonathan Riofrio, Ricardo Narváez and Gonzalo Guerrón
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Corrosion rate comparison between a ZnCrO4 coating and a mixture of epoxy plus PU coating on HSLA ASTM A 1011 Gr50 steel exposed to a saline spray corrosion chamber
Cristian Guilcaso, Vinicio Coque, Xavier Vaca, Esteban Ramírez, Diego Molina and Isaac Simbaña
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Robotic Tool as Support in Teaching Processes during COVID 19 pandemic
Johanna Tobar, Alan Prócel, Andrea López, Bladimir Bacca and Eduardo Caicedo
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KERO – Playable Robotic Platform to contribute to nonverbal communication teaching in children with Autism Spectrum Disorder
Johanna Tobar, Alison Zaldumbide, Christian Miranda, Bladimir Bacca and Eduardo Caicedo
Preprint Media Attached

Estimation of the energy consumption of an electric utility vehicle: A case study
Gianina Garrido Silva, Jessica Gissella Maradey Lazaro, Arly Dario Rincón Quintero, Omar Lengerke Perez, Camilo Leonardo Sandoval Rodriguez and Carlos Gerardo Cárdenas Arias
Preprint Media Attached

Design and construction of a passive control system for seismic isolation of flexible element type
Lenin Abatta-Jácome, Carlos Vega-Rivas and Roberto Villagran-Mayorga
Preprint Media Attached

Portable Robotic Modular Kit for Teaching Gestures in Children with ASD
Joffre Delgado, Brandon Muñoz, Johanna Tobar, Bladimir Bacca Cortes and Eduardo Caicedo
Preprint Media Attached

Flexible Manufacturing Systems Optimization with Meta-Heuristic Algorithm using Open Source Software
Fabian Izquierdo, Edwin Garcia, Byron Cortez and Luis Escobar
Preprint Media Attached

Damages in the microstructure and changes in the me-chanical proprieties of the heat-affected zone due to suc-cessive repairs of welded joints of low alloy and high strength steel.
Carlos Naranjo and Jhon Cruz-Aldaz
Preprint Media Attached

Development of a Fresnel artisan system for the production of hot water or steam
Brayan Eduardo Tarazona Romero, Alvaro Capos Celador, Yecid Muñoz Maldonado, Javier Gonzalo Ascanio Villabona, Miguel Arlenzo Durán Sarmiento and Arly Dario Rincón Quintero
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Estimation of the Dynamic Elastic Properties and Energy Dissipation Capacity of Wood from Ochroma Pyramidale (Balsa)
Christian Narváez-Muñoz, Luis Javier Segura Sangucho, Andrés García and Oswaldo Mauricio González
Preprint Media Attached

Experimentation of adaptive strategies in high-speed machining (HSM) for rough milling process using Prodax aluminum
Francisco Infante and Borys Culqui
Preprint Media Attached

Performance analysis of a solar water heater for space heating in residential and commercial buildings
Javier Martinez-Gomez, David Alejandro Arguello, Esteban Francisco Urresta Suárez, Rodger Salazar Loor and Gonzalo Guerron
Preprint Media Attached

Permeability characterization of a composite reinforced material with fiberglass and cabuya by VARTM process. Case hybrid material
Diana Belén Peralta-Zurita, Diego Jimenez-Pereira, Jaime Vinicio Molina-Osejos and Gustavo Adolfo Moreno-Jiménez
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Structural analysis method for aeronautical modifications in the integration of electro-optical systems in helicopters for the implementation of Intelligence, Surveillance & Reconnaissance (ISR) capability
Roberto Narvaez, Danny Flor, Diego Paredes and Flor Garces
Preprint Media Attached

Optimization of the setup of workpiece zero point in a numerical control machine with an artificial vision system
Andrea Robalino and Borys Culqui
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Tribological characterization of erosive wear resistance as a criteria of material selection for fabrication of construction equipment and machinery.
Juan Angel Barella, Juan Manuel Victorio Vallaro, Mercedes Lozano Rus, Eldo José Lucioni and Huber Gabriel Fernández
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Trends in technological advances in food dehydration, identifying the potential extrapolated to cocoa drying: a bibliometric study
Arly Dario Rincón Quintero, Luis Alfonso Del Portillo Valdés, Alexander Meneses Jacomé, Camilo Leonardo Sandoval Rodriguez, Wilmar Leonardo Rondón Romero and Javier Gonzalo Ascanio Villabona
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Analysis of the energy potential of a tangential micro-turbine for application in a Passivhaus environment.
Javier Ascanio Villabona, Luis Alfonso Del Portillo Valdes, Omar Lengerke Perez, Brayan Tarazona Romero, Arly Dario Rincón Quintero and Miguel Duran Sarmiento
Preprint Media Attached

Descriptive study of a rotary machine affected by misalignment and imbalance applying the Wavelet Transform
Camilo Leonardo Sandoval Rodriguez, Brayan Eduardo Tarazona Romero, Omar Lengerke Perez, Carlos Cardenas, Diana Carolina Dulcey and Oscar Arnulfo Acosta Cardenas
Preprint Media Attached

Implementation of collaborative work between two SCARA robots in a robotic cell for continuous classification of products
Alexander Córdova, Paúl Quimbiamba, Luis Segura, Luis Escobar and David Loza
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Artistic creations supplied by renewable energy located in the most attractive mountains of Azuay. Case Study: Cultural Heritage of Quingeo.
Daniel Icaza
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Blackberry (Rubus Glaucus) Natural Fiber Reinforced Polymeric Composites: An Overview of Mechanical Characteristics and Applicability in Buses’ Body Interior Parts
Enrique Mauricio Barreno Avila and Morayma De Los Ángeles Balladares Pazmiño
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Weibull reliability analysis in hydraulic jet pumps, case study Block 56 – Ecuador.
Diego Ayala, Lenin Pozo and Wilson Padilla
Preprint Media Attached

Design, construction and evaluation of a 3DOF urban planting system
Leonardo Paredes, Andrés Enríquez, Mateo Núñez and Luis Escobar
Preprint Media Attached

Impact analysis of migration from Súper gasoline to others of lower octane number in Ecuador
Carlos Francisco Terneus Páez, Absalón Guillermo Cabrera Mera and Rubén Darío Grandes Villamarín
Preprint Media Attached

Crack Propagation in Fracture Mechanics: A State-of-the-art Review
Lenin Abatta-Jácome, Juan Ignacio De la Torre and Yessenia Paucar-Espinosa
Preprint Media Attached

Human and Social Science

Informal learning in social networks during the COVID-19 pandemic: an empirical analysis
Mauro Ocana, Rebeca Mejia, Carolina Larrea, Carolina Analuisa and Carla Freire
Preprint Media Attached

Investigating the importance of student location and time spent online on academic performance and self-regulation
Mauro Ocana, Rebeca Mejia, Carolina Larrea, Estefania Cruz, Leonardo Santana and Marina Empinotti
Preprint Media Attached

Gender Stereotypes Marked By Disney Princesses: Influence On Collective Thinking
Nicole Iraola-Arroyo, Ivan Iraola-Real, Alonso Iraola-Arroyo, Dayana Francia Vilchez and Saúl Sanchez Urbano
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Enhancing Kichwa Language and Ancestral Identity in New Generations through Oral Narratives
Evelyn Almeida, Jumandi Chimba and Mirian Cuenca
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SOCIAL LINKAGE AS A BUSINESS SOFT SKILLS MANAGEMENT ACTIVITY
María del Pilar Viteri Vera
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Resistance to change in officials at the Public Institution central plant and its relationship with de job satisfaction (Guayaquil – Ecuador)
Marcia Alvarez-Mero, María Arroyo-Mite, Kenny Escobar-Segovia and Daniela Guzman-Cadena
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Un acercamiento a la realidad migratoria latinoamericana, su trascendencia y alcance en el Ecuador – An approach to Latin American reality, its significance and scope in Ecuador
Geovanny Paul Morales Castillo
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Collaborative mapping and disability: an approach from inclusive technology to the experience of the social dimension of the city
Andrea del Pilar Arenas, Gloria Esperanza Castellanos García, Jorge Enrique Rojas Delgado and Edwin Dorance Garzón Carrillo
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Promoting the self-efficacy of Deaf people through the application of translator of signifiers
John Fredy Montes Mora, Juan Manuel Aldana Porras and Diego Fernando Castiblanco Franco
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Inequalities in home learning: the reality of Ecuador
José Mauricio Chávez and Alexandra Armijos Maya
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Chemistry Teacher’s PCK: State of the art
Diana Ruiz and Nelson Barrios
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How elementary teachers react with victims and bystanders?: A content analysis perspective
Victor Resurreccion-Perez, Jano Ramos-Diaz, Leonardo Diaz Cayao, Robert Coplan and Lucy Betts
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Life Sciences

Steroid profiles of wild terror green (Andinoacara rivulatus) associated with gonadal histology in the Baba river, Ecuador
Juan Ortiz Tirado, Alfonso Benavides, Daysi Muñoz, Pedro Romero and Manjunatha Bangeppagari
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Gene expression of flavanone 3-hydroxylase (F3H), anthocyanidin synthase (ANS), and p-coumaroyl ester 3-hydroxilase (C3H) in tzimbalo fruit
Juan Morales, Raúl Blas, Viviana Chiluisa-Utreras, Joel Flores and Geovanny Ortega
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Andean Solanaceae species with resistance to biotic factors, such as tree tomato (Solanum betaceum Cav.) rootstocks
Mauricio Racines-Oliva, Pablo Viteri-Díaz, William Viera-Arroyo and Wilson Vasquez-Castillo
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Possible evolution of the COVID-19 epidemic in Colombia: SIRU model for unreported cases
Giovanni Calderón, William González-Calderón, Efrén Montes-Vera and Eliana Bonalde
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EFFECT OF FERTILIZATION AND AGRICULTURAL AMENDMENTS ON THE QUALITY OF A PRAIRY ESTABLISHED ON A VOLCANIC SOIL, ANDOSOL
Emilio Basantes-Morales, Sergio Ramón, Ramiro León and Santiago Basantes-Aguas
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How to improve the production and quality of the chirimoyo (Annona cherimola Mill.) in the tropical Andes
Wilson Vasquez-Castillo, Eder Guacan, William Viera-Arroyo, Carlos Feicán, Aníbal Martínez, Mauricio Racines-Oliva and Pablo Viteri-Díaz
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Family Functionality in Tuberculosis Patients Treated in Health Establishments of Los Olivos, 2019
Nicole Choqui-Collahua, Grover Ramírez-Aguilar, Brian Meneses-Claudio and Hernan Matta-Solis
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Evaluation of Biosorption Capability of Chromium resistant bacteria isolated from Tannery effluent, Tungurahua, Ecuador
Lizeth Samantha Pardo Vilcacundo, Mauricio Alexis Pérez Albornoz and Patricia Maribel Gutiérrez Salazar
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Phenological growth stages of Andean yellow pitaya (Selenicereus megalanthus) according to the BBCH scale
Mauricio Racines-Oliva, José Ignacio Hormaza and Wilson Vásquez-Castillo
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Analysis of COVID-19 in South America: Relationship between Public Health damages and Economic Impact in the region
Santiago Pozo, Genesis Carrillo and Isidro R. Amaro
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LOW-COST EQUIPMENT TO MONITOR AIR QUALITY IN SPECIFIC SITES
Yersson Ramiro Carrillo Amado and Jacipt Alexander Ramón Valencia
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Mathematical models for epidemiological simulation of COVID-19 in Ecuador
Federico Rodas, Gonzalo Pullas, Diego Garzon, Manolo Paredes and Gregory Cellis
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Morphological in situ characterization of mortiño (Vaccinium floribundum Kunth) in the Andes of Ecuador
Wilson Vasquez-Castillo, Kerly Ayala, Marcelo Almeida, Alejandro Barrientos-Priego, Pablo Moncayo-Moncayo and Álvaro Monteros-Altamirano
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Health Impact Analysis of COVID-19 in Ecuadorian Provinces: A Statistical Approach.
M. Cristina Sabando, Darwin X. Tallana Chimarro and Isidro R. Amaro
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Guava (Psidium guajava L) essential oils and ascorbic acid: an alternative for the food processing industry
Janeth Fabiola Proaño Bastidas, María Paula Urresta, Pablo Santiago Moncayo Moncayo, Mauricio Racines Oliva and Wilson Vasquez Castillo
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RELATIONSHIP BETWEEN INTERMOLAR WIDTH AND TOOTH SIZE-DENTAL ARCH DISCREPANCY IN CHILDREN: A CROSS-SECTIONAL STUDY
Ronald Ramos, Lorenzo Puebla, Leslee Ribadeneira, Yolanda Guerra and Nicole Sáenz
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Expansión y hospederos de la Hemiparásita, Dendrophthora chrysostachya, (Santalacea), en el Campus de la Universidad ESPE, Quito, Ecuador.
Angel Correoso and Vicente Delgado
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Adenovirus for detection of fecal pollution in Santa Clara river, Rumiñahui – Ecuador
Berenice Sarmiento, Alma Koch, Dario Bolaños and Andrés Izquierdo
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Influence of ultrasonication on the properties of hybrid electrospun polyacrylonitrile and silver nanoparticles fibers and their potential use in water decontamination process
Christian Narváez, Ezequiel Zamora-Ledezma, Ivan E. Guerrero, Luis Carrión, Alexis Debut, Karla Vizuete and Camilo Zamora Ledezma
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Nanotechnology

Chitosan-based hydrogels as ibuprofen controlled delivery system
Juliana María Patiño Medina, Angélica María Candela Soto, Hernando Alberto Camargo García, Olga Lucía Bayona Ayala and Lizeth Johanna Alvarado Rueda
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Petrochemical Engineering

Precipitation of leached solutions to obtain alumina supported catalytic precursors
Caterine Donoso, Alex Maza, Alexis Debut and Karla Vizuete
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Security and Defense

Airworthiness and Safety in Air Operations in Ecuadorian Public Institutions.
Brian Flores and Rosalba Rodriguez
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Fires in World Heritage Buildings
Diego Venegas, Oswaldo Erazo, Oscar Farias, Cesar Ayabaca and Ana Medina
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MOBILE ROBOT TELEOPERATED BY MEANS OF WIRELESS COMMUNICATION AND VIDEO ACQUISITION IN REAL TIME FOR HAZARD APPLICATIONS
Melany Yarad Jácome and José Carguachi Caizatoa
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Methodological proposal for the optimization of the installation time of hardening Linux operating systems through the Spacewalk solution
Aaron Echeverria and Ivan Ortiz
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Low cost multitask mobile robot for military application
Wilbert G. Aguilar, Pablo Albán, Henry Cruz, Alexis Tiuma and Jean Figueroa
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Corruption in the Security Forces. An isolated fact or a generalization? A brief study of the Ecuadorian case
Henry Cruz, Miguel Tapia and Diego Garcia
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