Revista Ingenierias Universidad de Medellin最新文献

{"title":"Biological and Physiochemical Conditions of the Surface Waters of the Cauca River in the Urban Area of Popayán, Colombia","authors":"Rafael Mauricio Padilla Moreno, Carlos Alberto Ospina Parra","doi":"10.22395/rium.v20n39a15","DOIUrl":"https://doi.org/10.22395/rium.v20n39a15","url":null,"abstract":"The homes and companies located on the banks of the Cauca River have altered the conditions of the quality of the water generated by residual discharges. Therefore, this paper proposes to analyze the biological and physicochemical conditions of the surface waters that cross the urban area of Popayán, Colombia, and determine if they are suitable for human consumption. For this, an in-situ sampling was carried out in the two river stations. The two points were covered taking into account the dry and rainy seasons. At each point, the parameters were measured to calculate the contamination indicators. Likewise, Ph, diluted oxygen, conductivity and temperature parameters were measured, also other physicochemical parameters such as total alkalinity, total hardness, total phosphorus and suspended total solids were measured as well as the microbiological parameters like total coliforms. It was found that the water source contains high levels of pollutant load and that biological discharge is one of the main causes that alters the quality of the water for drinking. The number of macroinvertebrates in the river decreases by 48% as the river advances through the urban area of the city. According to the BMWP values, highly contaminated carbonated waters enter the urban area. However, due to the flow throughout the water source, the Cauca River can regulate the pollution load according to the result evidenced in the Icomi, Icomo, and Icosus indices.","PeriodicalId":31131,"journal":{"name":"Revista Ingenierias Universidad de Medellin","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47725342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"LexRank with threshold to identify EF-ISF navigation patterns in xMOOC of Open edX","authors":"Fabián Andrés Ancona Anacona, Mario Fernando Solarte Sarasty, Gustavo Ramirez González","doi":"10.22395/rium.v20n39a5","DOIUrl":"https://doi.org/10.22395/rium.v20n39a5","url":null,"abstract":"The use of the Open edX platform to offer xMOOC courses by different Universities in the world, has led to a growth in the participation of students in the courses, thus generating a set of navigation patterns when interacting with the xMOOC which are recorded in the tracking.log file. So far there is no study that identifies EF-ISF navigation patterns of the set of patterns, for this reason in this document propose the use of the LexRank with Threshold algorithm for the identification of the EF-ISF navigation patterns.","PeriodicalId":31131,"journal":{"name":"Revista Ingenierias Universidad de Medellin","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47446172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"ICT and Educational Innovation: Demands and Expectations","authors":"Mary Cristina Carrascal, Emigdio Andrés Lara Silva, Ivan Eduardo Hernández, Ulises Hernández Pino","doi":"10.22395/rium.v20n39a4","DOIUrl":"https://doi.org/10.22395/rium.v20n39a4","url":null,"abstract":"In the development of the research project \"Strengthening and expanding the coverage of postgraduate training in Educational Innovation with ICTs through virtual education strategies relevant to the socio-cultural context of the region\", the meaning of Educational Innovations for teachers was investigated. Through 7 focus groups, with the participation of 168 teachers from urban and rural schools, public and private schools, as well as teachers in training, schoolteachers and university professors, from 3 different departments in southwestern Colombia, it was identified, through the use of the grounded theory analysis method, that teachers associate educational innovations with changes in the way they teach in their classes. In this way, the incorporation of ICTs is seen as important, since it facilitates teaching processes, motivates learning and improves the quality and pertinence of education.","PeriodicalId":31131,"journal":{"name":"Revista Ingenierias Universidad de Medellin","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44122300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Scaffolding system for solving problems in engineering education","authors":"Jorge Gomez Gomez, Helman Hernández Riaño, Velssy Hernández Riaño","doi":"10.22395/rium.v20n39a2","DOIUrl":"https://doi.org/10.22395/rium.v20n39a2","url":null,"abstract":"The demands of today's world have induced necessary changes in education curricula, teaching methods, modernization of learning scenarios, pedagogies, didactics, among others. Students now require learning scenarios where they can interact with knowledge directly; turning them into active agents within their training process, capable of solving problems. The main purpose of this research is to evaluate a system of contextual awareness as learning scaffolding in problem solving activities in first semester students of systems engineering, in order to analyze the effect on academic performance and students’ participation in solving problems. Results show that students who had access to the context awareness system as scaffolding for learning had better scores.","PeriodicalId":31131,"journal":{"name":"Revista Ingenierias Universidad de Medellin","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46621829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"ICTs use since an interdisciplinary approach for support the training on ophidism a public health problem","authors":"Jimmy Alexander Guerrero Vargas, Angie Marcela Rengifo Rios, Mary Luz Bueno Ospina, Santiago Ayerbe González, Luis Alejandro Cruz Ordóñez","doi":"10.22395/rium.v20n39a1","DOIUrl":"https://doi.org/10.22395/rium.v20n39a1","url":null,"abstract":"The present research and development work focuses on ophidism or ophidic accidentthat is a forgotten public health problem, which is normally focused on antiophidic serumapplication. Complications are sometimes caused by the patients; delay to go to amedical centre and the health professionals lacking knowledge of the ophidismtreatment. In this work, we design under canvas model a Massive Open Online Course(MOOC) on introduction to ophidic accident giving a new accessible, massive anddynamic training strategy. It is nourished by the students’ contribution; unlike traditionaltraining programmes. For this reason, it is intended to promote other forms of training onprevention and knowledge of the ophidic accident, which are priority activities in theColombian territory. To end, we highlight that there exist a considerable number ofunderestimated cases due to the inadequate registration of the notification forms.","PeriodicalId":31131,"journal":{"name":"Revista Ingenierias Universidad de Medellin","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41923371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Architecture proposal for MOOC and wearable integration","authors":"Marlon Burbano-Fernandez","doi":"10.22395/rium.v20n39a3","DOIUrl":"https://doi.org/10.22395/rium.v20n39a3","url":null,"abstract":"Conference Derivative Article. Every day, people need to be trained, either to complement their professional skills or because of personal interests that lead to their well-being. Online education, especially MOOC and SPOC are good alternatives for carrying out continuing educational processes, but are not enough when it comes to learning motor skills. This paper shows a research approach on how MOOC can expand its functionalities so that it can be applied to learning motor skills. It also proposes the development of a project to integrate three components: the integration component, the wearable component and the open edX component for the future development of a \"salsa\" course. Finally, it proposes an architecture based on the 4+1 view model, where the functionality in different areas of the design is shown.","PeriodicalId":31131,"journal":{"name":"Revista Ingenierias Universidad de Medellin","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46213569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Magnetic Field Effects on Charge and Current Density in Finite Monolayer Graphene","authors":"Carlos José Paez Gonzalez, Jorge Hernan Quintero Orozco, Andrés Camilo García Castro","doi":"10.22395/rium.v20n39a14","DOIUrl":"https://doi.org/10.22395/rium.v20n39a14","url":null,"abstract":"In this work, we study the effects of an external magnetic field on the charge and current density in finite monolayer graphene, i.e., with zig-zag and armchair edges. We use the tight-binding model to include the effects of the magnetic field and the effect of the edges. By using the transmission probability and analyzing the local density of states (charge density) ob- tained from Green’s function method, we find an energy region where the wave functions are more localized in the edges and, consequently, the current flow across the borders. On the other hand, for energies close to Landau levels, the charge and current density are localized on the bulk of the system.","PeriodicalId":31131,"journal":{"name":"Revista Ingenierias Universidad de Medellin","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42789347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Percepción de estudiantes de ingeniería sobre la enseñanza remota mediante la estrategia de aula-invertida","authors":"Said Pertuz","doi":"10.22395/rium.v20n39a13","DOIUrl":"https://doi.org/10.22395/rium.v20n39a13","url":null,"abstract":"Este documento reporta los resultados de un estudio de la percepción de los estudiantes sobre la enseñanza remota mediante el método de aula invertida en comparación con dos estrategias de enseñanza-aprendizaje presencial: cátedra clásica y aprendizaje basado en proyectos. El estudio de percepción sigue un diseño de cohorte donde los estudiantes tienen la oportunidad de experimentar las diferentes estrategias pedagógicas de forma secuencial y realizar una evaluación de percepción al final del curso. En la evaluación de percepción, se tienen en cuenta seis criterios: compren- sión y apropiación de conceptos teóricos, formación disciplinar, formación integral, dedicación y carga académica, interacción entre sujetos del proceso y aprendizaje activo. En un estudio piloto con 36 estudiantes de pregrado de ingeniería, la enseñanza remota mediante aula invertida es siempre mejor o igualmente valorada que las dos estrategias presen- ciales en todos los criterios considerados.","PeriodicalId":31131,"journal":{"name":"Revista Ingenierias Universidad de Medellin","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46349622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Modelo de co-creación en mypimes: estudio de caso en el sector lácteo de Bogotá, Colombia","authors":"Giovanny Mauricio Tarazona Bermudez, Olga Alexandra Rodríguez Chala, Lillyana María Giraldo M","doi":"10.22395/rium.v20n38a14","DOIUrl":"https://doi.org/10.22395/rium.v20n38a14","url":null,"abstract":"Las micro y pequeñas empresas en Colombia requieren fortalecer sus ventajas competitivas, sostenibles y sustentables para responder, adaptarse y sostenerse en el mercado; deben concentrar sus esfuerzos en la gestión del conocimiento, la innovación las TIC, el mejoramiento continuo, y la co-creación. Este documento presenta un modelo de co-creación basado en la gestión del conocimiento que permita innovar en el sector lácteo como forma de adaptación y supervivencia, así como de diferenciación y competitividad como herramientas para la toma de decisiones. La metodología adoptada para resolver el problema planteado y comprobar la hipótesis de investigación combina situaciones y actitudes predominantes que proponen soluciones y alternativas de evaluación para el desarrollo de estrategias que permitan generar ventajas competitivas y mejorar continuamente los procesos de las mipymes (micro, pequeñas y medianas empresas) del sector lácteo y que como consecuencia disminuyan las dificultades socioeconómicas que aquejan a estas mipymes. \u0000Para el análisis de los modelos de competitividad de las mipymes del sector lácteo en Bogotá, se utilizó la metodología adoptada por grupo de investigación “Comercio electrónico en Colombia” (Gicoecol), se contextualiza la problemática de competitividad de las mipymes del sector lácteo, así como aspectos de procesos de aprendizaje, creación y/o personalización de productos y/o servicios ofrecidos, y aplicaciones de este tipo de modelos en otros sectores o en grandes empresas. Con base en la información recolectada a través de la etapa de análisis, se estructura un modelo basado en la gestión del conocimiento y co-creación de valor con el fin de ser una herramienta base para mejorar la competitividad, de que se generen estrategias en los niveles interno y externo y se estandaricen y formalicen sus procesos e incrementen su rentabilidad, se identificaron variables fundamentales para la construcción del modelo; por último, se realizó la validación de la propuesta mediante la medición de la aceptación del modelo propuesto.","PeriodicalId":31131,"journal":{"name":"Revista Ingenierias Universidad de Medellin","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49000573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Methodological Approach and Technological Framework to Produce a Massive Open Online Course (MOOC) in Biodegradable Packing","authors":"Anabel Guzmán Ordóñez, Carlos León Casanova, Héctor Samuel Villada Castillo, Jhon Jairo Palechor Tróchez, Carlos León Roa","doi":"10.22395/rium.v20n38a13","DOIUrl":"https://doi.org/10.22395/rium.v20n38a13","url":null,"abstract":"This article shows the different stages used for the design and production of a MOOC for biodegradable packing, the planning tools and methodologies used for the development of the themes and contents. Likewise, is shown the technological framework used making a surveillance technology to identify which stage the MOOC e-learning tech is and the search of terms related to biodegradable packing to identify potential topics. Finally, the software architecture for SELENE is explained and how is deployed in open edX platform.","PeriodicalId":31131,"journal":{"name":"Revista Ingenierias Universidad de Medellin","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44805327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}