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Anzeige der Dokumente 1843-1862 von 2207

    • Reliability Excellence in Utilities 

      Rivera, Waldemar (Polytechnic University of Puerto Rico, 2017)
      The Reliability Excellence tools and methods are explained through this paper providing an effective understanding on how to apply it in different areas such as: utilities, facilities and manufacturing. Using the Reliability ...

    • Reliability of Operators performing the Visual Inspection of Parenteral Drug Products 

      Adams Monell, Glorynette (Polytechnic University of Puerto Rico, 2010)
      The visual inspection of parenteral product filled vials is performed to assure that any damaged or defective unit is detected and removed prior to packaging. This investigation evaluated the visual inspection process ...

    • Removal of Manganese from Toa Vaca Reservoir Raw Water using Electrocoagulation 

      Pérez, Félix A. (Polytechnic University of Puerto Rico, 2012)
      Abstract - The aim of this study was to investigate the efficiency of this technique in manganese removal from the raw water at the Toa Vaca Filter Plant. Preliminary runs with different electrode materials were performed ...

    • Renewable Energy in Historic Buildings; The Capitol of Puerto Rico and its Annexes 

      Martínez, Alex E. (Polytechnic University of Puerto Rico, 2012)
      The Puerto Rico State Capitol Superintendence (CS) is aligned with the new energy management challenges that the world is facing in order to reduce the energy consumption and CO2 emissions levels. A payback period ...

    • Renewable Energy Lab for Wind & Solar Power System Analysis 

      Calder Acosta, William Rene; Rodríguez, Andrés (Polytechnic University of Puerto Rico, 2018)
      Renewable energy resources used to produce electric energy, significantly lower CO₂ emissions by substituting non-renewable resource based power generators. Our investigation hopes to support the use of these renewable ...

    • Repensar la vivienda para la masa crítica 

      López Dinardi, Marcelo (School of Architecture, Polytechnic University of Puerto Rico, 2010)
      Reseña del curso de Vivienda Colectiva (ARCH 4010).

    • Replacement of manufacturing plastic containers with 600l stainless steel bins 

      Soto Gonzalez, Hector A. (Polytechnic University of Puerto Rico, 2013)
      In order to improve Compression, Coating and Packaging areas at the pharmaceutical company Sandoz in Wilson, NC, it was evaluated the possibility of replacing the current plastic containers used to hold and transport ...

    • Reproducibility and Repeatability in Calibration for Gas Chromatography in Fusel and Esters Analysis 

      Dedós Peña, Lyneries (Polytechnic University of Puerto Rico, 2019)
      Gas chromatography is a very sensitive method of analysis that requires understanding what will be analyzed in order to choose the correct parts and analysis parameters. This project seeks to find the ideal conditions ...

    • Reputation Scanner 

      Rios Soto, Azeem J. (Polytechnic University of Puerto Rico, 2019)
      The issue of security is paramount in any organization, especially one such as a bank. With the intention to improve bank security, a web application was developed. The application involves the scanning of uniform resource ...

    • Research in the Requirements for Reducing the Blood Transfer Device Complains for Air Bubbles and Leakage 

      Lorenzo Vargas, Otilio (Polytechnic University of Puerto Rico, 2017)
      An increase on complain trigger a company Quality department raising a flag for further investigation of a product Nonconformance. Using Lean Six Sigma tools and DMAIC methodology a multidisciplinary team work together to ...

    • Research of Anterior Cervical System using different materials 

      Lugo Vélez, Isabel (Polytechnic University of Puerto Rico, 2013)
      With the continuous worldwide demand for anterior cervical systems, Medtronic Spinal Division decided to makes changes in the manufacturing process in order to meet this demand. The company decided to introduce some new ...

    • Reseña de "Aftershocks of Disaster: Puerto Rico Before and After the Storm." 

      Delgado Esquilín, Gloribel (Polytechnic University of Puerto Rico, 2019)
      Reseña: Bonilla, Yarimar y Marisol LeBrón, eds. Aftershocks of Disaster: Puerto Rico Before and After the Storm. Haymarket Books, 2019, 384 páginas. ISBN: 978-1-6425-9030-2

    • Restablecimiento de Prácticas de Gestión de Riesgos en Proyectos de Construcción en Puerto Rico: Un Análisis Comparativo con Perú 

      Salas Ramírez, Kassandra S. (Polytechnic University of Puerto Rico, 2023)
      Históricamente, los proyectos de construcción en Puerto Rico han enfrentado desafíos en la gestión de riesgos, lo que ha resultado en retrasos, sobrecostos e inquietud de seguridad. Este estudio tiene como objetivo ...

    • Restauración de Sistema de Monitoreo de Energía 

      Torres Vicente, Sandralys (Polytechnic University of Puerto Rico, 2021)
      Es importante que las compañías de manufactura cuenten con un sistema de monitoreo eficaz que permita visualizar datos eléctricos precisos de sus equipos. Al estudiar el sistema de monitoreo de energía eléctrica de una ...

    • Restoration of Río Humacao Fluvial System 

      Miranda Rodríguez, José D. (Polytechnic University of Puerto Rico, 2010)
      Río Humacao is located in the southeast coast of Puerto Rico and generally flows eastward into the Vieques Passage along a trapezoidal earth channel that runs approximately 7 kilometers upstream from the river mouth. ...

    • Resuminer – A Résumé Recommender System for Job Seekers using Cluster Analysis 

      Ferrer Hernández, Orlando (Polytechnic University of Puerto Rico, 2016)
      Resumes or curriculum vitae are an essential requirement for job seekers in any industry and are usually the first interactions with third parties that are actively hiring. For a single person, there is an infinite ...

    • Retired Homes and Elderly Building Evacuation Plan: Aguada 

      Quiñones Ramos, Bryan J. (Polytechnic University of Puerto Rico, 2023)
      On September 20, 2017, Puerto Rico was struck by a category 4 hurricane that left billions of dollars in damages and thousands of people died. But the most casualties from this catastrophe were from the elderly community. ...

    • Retículos cúbicos, ortomodulares, conexos, de altura 3 y configuraciones proyectivas ortomodulares conexas 

      Sarmiento, Jorge (Polytechnic University of Puerto Rico, 1994-12)
      Cubic orthomodular connected lattices of height 3 and orthomodular connected projective configurations The construction of a connected orthomodular projective configuration, from a cubic, connected, orthomodular lattice ...

    • Retos de una arquitectura por venir 

      Mignucci, Andrés (School of Architecture, Polytechnic University of Puerto Rico, 2013)
      Este artículo esboza cinco temas a considerar como parte de una agenda para una arquitectura por venir. A manera de rúbricas los describimos de la siguiente forma: 1. La dimensión del tiempo en la arquitectura; 2. Tradición ...

    • Retroceso de glaciares tropicales en los Andes Centrales de Colombia mediante imágenes LANDSAT 

      Ariza, Alexander (Polytechnic University of Puerto Rico, 2006)
      Los glaciares tropicales exhiben cambios significativos en respuesta a las variaciones de las condiciones climáticas, observándose una pérdida constante y progresiva en los últimos 100 años. La estimación de la superficie ...