Now showing items 816-835 of 940

    • Sistema de Monitoreo Electrónico de Desplazamiento de Tubos de Extensión para Junta Expansiva 

      Campuzano Cervantes, Jose Daniel; Meléndez Pertuz, Farid Alexander; Nuñez Perez, Bernardo Enrique; Simancas Garcia, Jose Luis (RIAI - Revista Iberoamericana de Automatica e Informatica Industrial, 2017)
      In this work the development of a device, called an expansion joint, is proposed to mitigate the rupture of pipelines for the transportation of hydrocarbons, caused by landslides or linear expansion. Proposed solution ...
    • Sistema inalámbrico de monitorización para cultivos en invernadero 

      Cama Pinto, Alejandro; Montoya Gil, Francisco; Gómez López, Julio; García Cruz, Amós; Manzano Agugliaro, Francisco (DYNA, 2014-04)
      La agricultura del sureste español ha experimentado uno de los cambios más importantes que se han producido en los últimos años gracias a los cultivos de invernadero. En este tipo de cultivos es muy importante la utilización ...
    • Sistema temporizado de iluminación con encendido y apagado automático 

      Motta Yépez, Mairelsy del Carmen; Romero Rodríguez, Henry (Universidad, Ciencia y Tecnología, 2011-07)
      Proposes a prototype home automation applications that allow better use of electric energy at home. It is a timed lighting system with automatic on/off using a Pyroelectric Motion Sensor C-7288. The research is projective ...
    • Sistematización de experiencias formativas en competencias docentes investigativas 

      Inciarte Gonzalez, Alicia; Camacho, Hermelinda; Casilla Matheus, Darcy (Opcion, 2017-03-15)
      It presents an experience on the development of teaching research competences, within the framework of a collaborative, interdisciplinary and interinstitutional inquiry-building process. It sought to systematize the ...
    • Síndrome de Burnout en profesores y su relación con el aprendizaje de los estudiantes de básica primaria de una institución educativa oficial de Sincelejo (Colombia), 2016 

      Martinez Royert, Judith Cristina; Berthel Regino, Yamileth; Vergara Díaz, Mary Sixta (Salud Uninorte, 2017-04-30)
      Objetivo: Determinar la relación existente entre el síndrome de Burnout de los docentes de básica primaria y el aprendizaje de los estudiantes de una institución educativa del sector oficial durante 2016. Materiales y ...
    • Síntomas afectivo-conductuales y estrategias de afrontamiento del dolor en pacientes con fibromialgia (FM) 

      Gelves Ospina, Melissa; Barcelo Martinez, Ernesto Alejandro; Orozco Acosta, Erick; Roman, Nestor Fabian; Allegri, Ricardo Francisco (2017-10-10)
      Objetivo: La Fibromialgia (FM) es un síndrome de dolor crónico generalizado, asociado a alteraciones emocionales y comportamentales. El objetivo del estudio fue identificar los síntomas afectivo-conductuales y las estrategias ...
    • Social competence as a predicting factor of academic success 

      Florez Donado, Jennifer Paola; López Silva, Luz Stella; Peña González, Darwin; Torres Salazar, Prince Luz; Mejia Puerta, Erick Alejandro; Narvaez Arrieta, Alenis Marcela; Florez Mercado, Xenia Milena; Montero Campo, Daniela Isabel; Gomez Pacheco, Julieth Paola; Salebe Sarabia, Juan Carlos; Espinosa Jaimes, Victor Manuel; Pedraza Salcedo, Geraldine Valeria; Medrano Melendez, Yessica Yicel (Espacios, 2018)
      En este artículo se hace una revisión exhaustiva de la literatura sobre la relación entre las competencias sociales y el éxito académico. Analiza como las competencias sociales (cooperación, responsabilidad, asertividad, ...
    • Software applications to health sector: a systematic review of literature 

      S., Juan; Ariza Colpas, Paola Patricia; Piñeres Melo, Marlon Alberto; Ayala Mantilla, Cristian; Urina Triana, Miguel; Morales Ortega, Roberto Cesar; Peluffo Martinez, Gabriel; Mendoza Palechor, Fabio Enrique; Echeverri Ocampo, Isabel Cristina (Journal of Engineering and Applied Sciences, 2018)
      Technology has become a strategic ally for the automation and improvement of processes in the health sector. Many of the current developments have supported the automatic, efficient and efficient detection of different ...
    • Software para la elaboración de diagramas de estudio del trabajo como herramienta facilitadora en el proceso de enseñanza - Aprendizaje de métodos y tiempos en las actividades productivas: Diagramet 

      Jimenez Barros, Miguel Angel; De La Hoz Escorcia, Sandra Milena; Huyke Taboada, Aida Patricia; Mendoza Barraza, Marlon Enrique; Rangel Barrios, Eduard; Pastrana Padilla, Josue; Castro Bolaño, Lauren Julieth; Ospino Valdiris, Fairuz Violette (Espacios, 2017)
      With work-study methods, we can design processes of every area of the organization, including components and workflows. To get to know how to do the workstudy, methods and times thematic are studied that allow through ...
    • Solar radiation prediction for dimensioning photovoltaic systems using artificial neural networks 

      Noriega Angarita, Eliana Maria; Sousa Santos, Vladimir; Quintero Duran, Michell Josep; Gil Arrieta, Cesar Javier (International Journal of Engineering and Technology, 2016)
      This paper presents a prediction model of solar radiation for dimensioning photovoltaic generation systems in the Atlantic Coast of Colombia, using artificial neural networks. As a case of study is presented the municipality ...
    • Soldabilidad de polietileno de alta densidad usando soldadura por fricción‑agitación con una herramienta de hombro no rotacional 

      Romero Macea, Yorledis; Moreno, Mirley; Cardozo Arrieta, Beatriz; Rueda Plata, William; Pacheco Consuegra, Salomón; Unfried Silgado, Jimy (Soldagem e Inspecao, 2016)
      En este trabajo se estudió la soldabilidad de polietileno de alta densidad (PEAD) mediante el proceso de soldadura por fricción agitación (SFA), usando dos herramientas diferentes, una convencional y otra con hombro no ...
    • Solidarity economy organizations in vulnerable populations: a reflection on challenges and planning challenges 

      Sánchez Otero, Madelín; Caridad-Faria, Migdalia; Garizabal-Donado, Mildred; Hernández-Palma, Hugo Gaspar (Centro de Informacion Tecnologica, 2018-06-19)
      El objetivo del trabajo presentado fue analizar la planificación y gestión interna de organizaciones de economía solidaria establecidas por población vulnerable. Se emplearon técnicas mixtas de recolección de datos, dirigidas ...
    • Solving flexible job-shop scheduling problem with transfer batches, setup times and multiple resources in apparel industry 

      Ortiz Barrios, Miguel Angel; Neira Rodado, Dionicio; Jimenez, Genett; Hernandez, Hugo (2016)
      Apparel industry is characterized by the presence of flexible job-shop systems that have been structured to manufacture a wide range of customized products. However, Flexible Job-shop Scheduling is really chal-lenging and ...
    • Spatio-temporal variations of sulfur dioxide concentrations in industrial and urban area via a new statistical approach 

      Landim, A. A; Calesso Teixeira, Elba; Agudelo Castañeda, Dayana Milena; Schneider, Ismael Luis; Silva Oliveira, Luis Felipe; Wiegand, Flavio; Kumar, Prashant (Universidad de la Costa, 2018-08-01)
      Sulfur dioxide (SO2) is considered the most widespread pollutant that threatens environmental and human health. The purpose of this study is to propose a new method for evaluating the spatial variation of SO2 levels in the ...
    • Springback Prediction: Simplified Model 

      Gonzalez Coneo, Jorge Enrique (Publisher: Association For Iron And Steel Technology, AISTECH, 2014-10-12)
      The materials plastically deformed by the application of cold work undergoes a change in its shape and geometry in removing the charge that has been applied. This phenomenon is known as springback or elastic recovery. There ...
    • State estimation of a dehydration process by interval analysis 

      Collazos, Carlos A.; Collazos, César A.; Sánchez, Carlos; Mariño, Pedro; Montaño, Domingo A.; Ruiz, Iván; Meléndez Pertuz, Farid Alexander (Communications in Computer and Information Science, 2018)
      This article presents a general methodology of state estimation by interval analysis in a dynamic system modeled by difference equations. The methodology is applied to a pineapple osmotic dehydration process, in order to ...
    • State of the Art on the Use of Portable Digital Devices to Assess Stress in Humans 

      Bellido Esteban, Alberto; Ruisoto, Pablo; Beltrán Velasco, Ana Isabel; Clemente Suárez, Vicente Javier (Journal of Medical Systems, 2018)
      The aim of this study is to review the current tools for the assessment of stress response in humans, ranging from the use of psychological questionnaires to the latest tools involving portable digital devices. Practical ...
    • Steel aggregate swelling potential in layers of road pavements 

      Oliveira, Victor H.S; Tarazona Buitrago, Nairo David; Ribeiro Martins, Luís Fernando; Cavalcante Brasil, André Luís (Journal of Environmental Engineering, 2018-09-01)
      Steel slag, one of the by-products from the production of steel, is crushed, sized properly, and treated in relation to its volume swelling potential to be used as a highly resistant aggregate called steel aggregate or ...
    • Storage, processing and distribution of information and communication: Cloud computing in Latin-American 

      Viloria Silva, Amelec Jesus (Journal of Engineering and Applied Sciences, 2017)
      Remote computing operations including storage, processing and distribution of information and communication began to emerge in the last decade of the last century in business and corporate environments. However, its use ...
    • Strategic hybrid approach for selecting suppliers of high-density polyethylene 

      Ortiz Barrios, Miguel Angel; Berk, Kucukaltan; Carvajal Tinoco, Daniel Josué; Neira Rodado, Dionicio; Jimenez, Genett (Journal of MultiCriteria Decision Analysis, 2017)
      Supplier selection is an important process for companies in the plastic sector due to its influence on firm performance and competitiveness. For a proper selection, a number of criteria from different aspects need to be ...