Published: 07/13/2026

Full Issue

1-117

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Letter from the Editor

5-6

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Scientific Paper

Thermo-hydraulic design of a finned tube forced-draft air cooler for methanol cooling.

Amaury Pérez Sánchez, Arlette de la Caridad González Abad, Heily Victoria González, María Isabel La Rosa Veliz, Zamira María Sarduy Rodríguez, Lizthalía Jiménez Guerra

9-23

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Thermo-hydraulic design of an unfinned and finned double pipe heat exchanger for tomato juice cooling. Part 1 - Unfinned heat exchanger

Amaury Pérez Sánchez, Laura Thalía Alvarez Lores, Laura de la Caridad Arias Águila, Lizthalía Jiménez Guerra, Heily Victoria González, Arlette de la Caridad González Abad

40-52

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Health Risk Management in Bottled Water: Integration of Physicochemical, Microbiological Indicators and Cyanobacterial Risks in Guayas.

Fabiola Villa Sánchez, Antonio Escobar Machado, Edisson Lascano Mora, Tony Coloma Coloma, Hernan Villa Sánchez, Amy Merchán Mendoza

24-39

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Evaluation of tartrazine (E-102) content in orange-flavored soft drinks marketed in Guayaquil using UV–Visible spectrophotometry.

Stefanie Bonilla Bermeo, Carlos Valdiviezo Rogel, Luis Romero, Michael Rendón Morán

53-65

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The Use of Artificial Intelligence in Small Businesses in the City of Guayaquil.

Francisco Javier Duque-Aldaz, Jorge Meza-Clark, Teresa Meza Clark, Leonardo Cuadrado-Sagñay, Edwin Haymacaña Moreno, Leonor Alejandrina Zapata Aspiazu

66-78

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Effectiveness of slimming diets based on purple cabbage in people with obesity from the Cleotilde Guerrero O Foundation.

Mirian Villavicencio Párraga, Marina Arteaga Peñafiel, Katherine Zavala Villavicencio, Alex Villao Villacrés, Arellys Sornoza Arteaga, Ricardo Quimis Mantuano

79-89

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Evaluation of Behavioral Competencies in the Ecuadorian Aquaculture Industry: A Correlational Analysis of Soft Skills in Administrative Personnel from Guayaquil

Jorge Meza-Clark, Teresa Meza- Clark, Francisco Javier Duque-Aldaz, Edwin Haymacaña Moreno, Leonor Alejandrina Zapata Aspiazu, Fernando Raúl Rodríguez-Flores

90-112

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