ESPOCH Congresses: The Ecuadorian Journal of S.T.E.A.M.

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Editorial

Volume 3, Issue 2
Pages 1–1 Econ. Blanca Naula Erazo, MsC
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Blockchain Algorithm Literature Review

Volume 3, Issue 2
Pages 2–10 Chango W, Ruiz L, Chito F, Jaramillo J, Iguago M
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The pandemic as a factor for the exclusion of students in a situation of vulnerability at the UPC

Volume 3, Issue 2
Pages 11–20 Cristian Arango, Pedro López, Romelio Gonzáles
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Epilithic Diatoms as Bioindicators of Water Quality in the Jimbitono River, Morona Santiago, Ecuador

Volume 3, Issue 2
Pages 21–38 Bolivar Heredia, Patricio Méndez, Miguel Osorio
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Ecotoxicological Evaluation of Two Types of Commercial Detergents on Radish (Raphanus Sativus) Seeds

Volume 3, Issue 2
Pages 39–54 Jessica Arcos, Carla Haro, Justo Narvaez, Luz Estrella
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Soil Evaluation Through Quality Indicators

Volume 3, Issue 2
Pages 55–71 Ximena Cazorla, Andrea Quisimalin, Miltón Ortega, Pablo Quintuña, Juleysi Cornejo
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Feasibility Enterprise Time and Attendance System Using Artificial Vision Based on Neural Networks with Python and Raspberry Pi

Volume 3, Issue 2
Pages 72–84 Alex Núñez, Johnny Jácome, Kerly Vaca, Braulio Balseca, Ramiro Jara
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Cadmium in the Soil and its Presence in Cocoa

Volume 3, Issue 2
Pages 85–96 Luis Fernández, Luis Yanchatipán
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Analysis of the Soil by Means of Indicators for Agriculture Parish of San Isidro Province “Morona Santiago”

Volume 3, Issue 2
Pages 97–109 Marjorie Morocho, Noemi Guzmán, Jennyfer Astudillo, Juan Haro, Carla Haro
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Toxicity of Metals from the Mining Industry in Latin American Countries

Volume 3, Issue 2
Pages 110–128 Jessica Arcos, Nayely Jara, González Josselyn
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NoSQL Database Benchmarking: Key/value in an Application-building Environment

Volume 3, Issue 2
Pages 129–142 Aracely Miranda, Pilar Oña, Karen Mendoza, Wilson Chango
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Agroproductive Analysis in the Application of the Circular Economy, Paccha Sector, Macas canton, Morona Santiago, Ecuador, 2022

Volume 3, Issue 2
Pages 143–155 Kevin Padrón, Heidy Rivadeneira, Marco Rea, Daniela Rojas, Quelyn López, Juan Haro
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Importance of the Chatbot in the Different Social Areas

Volume 3, Issue 2
Pages 156–165 Cristian Benalcazar, Mario Mendez, Alvin Melendez, Wilson Chango
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Benthic Macroinvertebrates as Bioindicators of water quality in the Copueno River, Morona- Ecuador

Volume 3, Issue 2
Pages 166–182 Justo Narváez, Patricio Méndez, Josselyn Gonzalez, Gabriela Jindiachi, Nayely Jara
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Measurements and Evaluation of Soils Through Quality Indicators in the Wapu Community

Volume 3, Issue 2
Pages 183–199 Anthony Narankas, Cristian Quinde, Alba Cuji, Juan Haro, William Carrillo
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Proposal for the Transaction Model Based on Blockchain Technology for Financial Operations

Volume 3, Issue 2
Pages 200–214 Paul del Aguila Caute, Jhon Villacriz Moran
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Characterization of Rock Material Through Point Load Test Index, Granulometry, and Dimensions of Specimens

Volume 3, Issue 2
Pages 215–229 Ernesto Feijoo
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Pyrolysis of Barley Husk Waste with Residual Polystyrene for Liquid Fuel Generation

Volume 3, Issue 2
Pages 230–243 Paulo Castillo, Carla Haro, Paul Palmay
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Minimization of Ore Dilution in the “Pique” Mine Through pre-splitting Blasting Technique

Volume 3, Issue 2
Pages 244–261 Mateo Montalvo, Christian Ordóñez, Ernesto Reyes
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Determination of the Water Quality of the Copueno River by Macroinvertebrate Analysis

Volume 3, Issue 2
Pages 262–276 Lizbeth Maurat, Daniela Astudillo, Catalina Patiño, Luis Fernández, Kathia Loja
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