Revistas Institucionales: Envíos recientes
Mostrando ítems 121-140 de 2385
-
Use of the Deegan-Packel power index to optimize media acces in LAN networks whit BLP technology
(Universidad de MedellínFacultad de IngenieríasMedellín, 2022-01-31)A LAN network is considered as a scenario in which the nodes regularly have the need to transmit, which generates a constant dispute to Access the medium, and BPL (Broadband Power Line) networks are no exception. BPL ... -
Use of geothermal energy in the food industry: a review
(Universidad de MedellínFacultad de IngenieríasMedellín, 2022-03-07)This paper aims to make a bibliographic literature review about the current and potential uses of geothermal energy within the food industry, which uses a third of the world’s energy during production in all the processes ... -
Morphology of chars of bagasse-coal mixtures: effect of particle size and concentration of bagasse
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-12-17)In this work, the char morphology from coal-sugarcane bagasse with concentrations of 0, 25, 50, 75 and 100 % w/w and particle sizes -0.25 mm and -20 mm was evaluated. The samples were fed to a devolatilization process at ... -
Methodological proposal to assess the vulnerability of soils to salinization in flat area irrigation districts
(Universidad de MedellínFacultad de IngenieríasMedellín, 2022-03-11)Soil salinization is one of the main constraints for food production. These processes occur mainly in irrigated areas, due to natural conditions and inadequate fertilization and irrigation practices. The objective of this ... -
Production of solar cells and estimation of its electrical parameters from its experimental characterization
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-09-22)In this work, solar cells with Mo/CuInSe2/CdS/n+–ZnO structure were deposited and experimentally characterized by the I-V curve. From these results, the electrical parameters were estimated fitting, theoretically, the curve ... -
Prediction of the quality of university life through data mining techniques
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-09-21)The objective of this article is to measure through intelligent techniques, the quality of university life in a university population. In this investigation, a dependent variable called quality of university life is taken, ... -
Drying Kinetics of Organic Parchment Coffee Beans (Coffea Arabica L.) Using a Fluidised Bed: a Semi Theoretical Microwave Modeling
(Universidad de MedellínFacultad de IngenieríasMedellín, 2020-10-23)The aim of this study was to model the drying kinetics of microwave and fluidised bed of parchment coffee beans (Coffea arabica L.) using a semi-theoretical approach. A completely randomized design with six treatments: ... -
Thermal Characteristics of TIO2 Nanocomposite in a Polyurethane Matrix Made with Castor Oil
(Universidad de MedellínFacultad de IngenieríasMedellín, 2020-10-23)Nanocomposites are multiphase structures with at least one pase dimension of nanometric order size. Polymer-based materials mixed with low proportions of titanium dioxide nanoparticles (NPs-TiO2) are a versatile alternative ... -
Monitoring of Fine Particulate Matter and Black Carbon, in Micro-Environments of Manizales Andean City: Pilot Study
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-10-22)Manizales has an air quality network which measure particulate matter (PM) in ambient air concentrations. However, this monitoring system does not have information of pollutant concentrations in the vicinity of roads. The ... -
A Look at Algorithm BEPtoPNST
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-09-09)This work analyzes the computational complexity of algorithm BEPtoPNST which transforms a building-evacuation problem (BEP) into a time-expanded, process-network synthesis (PNST) problem. The solution of the latter is ... -
Monitoring of Earth's Crust Movements Associated to Earthquakes through GPS Observations in the Gulf of California
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-09-04)The distribution of the velocities of the Pacific and North American plates and their possible alteration by earthquakes has been studied using the GPS continuous measurements in the lapse from 2010 to 2016. The GPS data ... -
ICT and educational innovation: demands and expectations
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-06-28)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 ... -
LexRank with threshold to identify EF-ISF navigation patterns in xMOOC of Open edX
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-06-28)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 ... -
Architecture proposal for MOOC and wearable integration
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-06-28)Every day, people need to be trained, either to complement their profesional skills or because of personal interests that lead to their well-being. Online education, especially MOOC and SPOC are good alternatives for ... -
Perception of Engineering Students on Remote Teaching with the Flipped-Classroom Strategy
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-06-08)This text reports the results of a perception study of the students of remote teaching of the flipped-classroom method in comparison to two strategies of regular face-to-face teaching: classic elñcturing and learning based ... -
Magnetic Field Effects on Charge and Current Density in Finite Monolayer Graphene
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-06-16)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 ... -
Biological and Physiochemical Conditions of the Surface Waters of the Cauca River in the Urban Area of Popayán, Colombia
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-07-06)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 ... -
Analysis of Financial Indicators in Bidding Processes in Colombia
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-02-22)State contracting is the mechanism by which public resources are invested in order to meet government objectives focused on collective progress. The primary objective of bidding processes is to ensure stakeholder participation ... -
Simulación dinámica de una política de inventario R, S en una cadena de suministro de artículos ferreteros
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-09-15)Nowadays, stock management became a strategic decision used by organizations due to the high impact it has on the overall performance of supply chains. This paper evaluates the impact of the implementation of a R, S inventory ... -
ICTs use, from an interdisciplinary approach to support the training on ophidism, a public health problem
(Universidad de MedellínFacultad de IngenieríasMedellín, 2021-07-28)The present research and development work focuses on ophidism or ophidic accident, a forgotten public health problem normally treated with antiophidic serum application. Complications are sometimes caused by the patients’ ...
