Now showing items 1-20 of 302

    • 49 

      Martínez, Jan (Polytechnic University of Puerto Rico, 2018)
      Poesía: ¿Cuándo te dijeron sé Qué sentiste mientras te ungías, Mientras te tragabas el celeste De todos los universos? ¿Qué hiciste cuándo te llegó el azul, La rosa de los vientos, la estrella polar, El astro para ...
    • Acerca de “La virgen de los boleros” 

      Rabelo, José (Polytechnic University of Puerto Rico, 2016)
      La virgen de los boleros (Isla Negra, 2015) es la nueva colección de cuentos del escritor puertorriqueño, radicado en California, Jorge Luis Castillo. La variedad de temáticas, personajes y situaciones enriquecen el ...
    • ADSL: The Best Choice for Fast Internet Access 

      Rodríguez, Raquelimar; González, Rita; López, Wilfredo; González, Félix; Cruz, Alfredo (Polytechnic University of Puerto Rico, 2000-12)
      There is a real need for the increased bandwidth at a tower cost provided by ADSL (Asymmetric Digital Subscriber Line). The time is ripe for deployment due to the current competitive environment, and both A DSL transport ...
    • Agreste-Urbano de Cecilio Colón Guzmán 

      Trelles, Rafael (Polytechnic University of Puerto Rico, 2022)
      Ensayo pintor y artista multidisciplinario Rafael Trelles.
    • Amarilis Vázquez Rivera [Poesía] 

      Vázquez Rivera, Amarilis (Universidad Politécnica de Puerto Rico, 2024)
      Poesías de Amarilis Vázquez Rivera: Amortajada; Odiseos; Postmortem
    • Análisis comparativo de sistema eléctricos 

      Alvarez Alamo, Víctor J. (Polytechnic University of Puerto Rico, 1993-06)
      In this paper we study different alternatives to supply electric power to die die company Eureka Marine Products. The energy alternatives considered in the study are the wind energy, solar energy and the electric power ...
    • Análisis de corto circuito considerando cargas 

      Sánchez del Río, Ángel (Polytechnic University of Puerto Rico, 1991-12)
      Short circuit analysis is usually simplified neglecting shunt connections including system loads. If under particular conditions, system loads cannot be neglected, the superposition principle can be used, adding pre-fault ...
    • Análisis del sistema de protección de IPR Pharmaceuticals, Inc 

      Flores Nieves, Ramon H.; Pérez Dumeng, Luis A. (Polytechnic University of Puerto Rico, 1994-12)
      Analysis of the electrical protection system of IPR Pharmaceuticals This study is based on the electrical distribution system of a pharmaceutical plant. The purpose of the study is to investigate why the low voltage ...
    • Antena inteligente con haces conmutados para redes de comunicaciones móviles* 

      Zaharov, Viktor; Acosta, James (Polytechnic University of Puerto Rico, 2005)
      The smart antenna technology for mobile communications has been the object of enormous worldwide interest during the last decade. The principal reason for the application of smart antennae is their potential for a large ...
    • Aplicación de sistemas de información geográfica en el análisis de la isla de calor urbana 

      Matos Flores, Raúl; Rodríguez Rivera, Marisol (Universidad Politécnica de Puerto Rico, 1998-12)
      An urban heat island has been described as the difference in temperature between the city and its peripheral rural area. It is caused mainly by the growth of the city not taking into consideration the conditions previous ...
    • An approach in statistical control chart design 

      Rodríguez-Mombille, René (Polytechnic University of Puerto Rico, 1992-06)
      Several questions arise when designing statistical process control charts Is the control chart sensitive enough to detect a particular process shift with a particular frequency? When should a process shift be considered ...
    • Aprendizaje mediante la colaboración grupal (Cooperative Learning) 

      Charón, Sergio (Universidad Politécnica de Puerto Rico, 1998-12)
      This work illustrates the needs of exposing the students to learning experiences that develop and enhance their capabilities for analytical critical thinking in the solution of problems. The work in small groups with ...
    • Architects and engineers: What makes the difference? 

      Vélez Delgado, Gilberto A. (Polytechnic University of Puerto Rico, 1997-12)
      The historic dispute between architects and engineers, particularly civil engineers, is nonsense. Both professions are prestigious and dedicate themselves to covering separate and distinct aspects of the design of buildings ...
    • Are you making good decisions? 

      Claudio, Carlos E. (Polytechnic University of Puerto Rico, 2004)
      Due to the wide array of choices that modern society has at its disposal, decision making has become an integral part of our daily routines. Because of that, most of the time, the potential repercussions associated with ...
    • Ars Poética 

      Albadalejo, Luis Raúl (Polytechnic University Of Puerto Rico, 2018-01)
      Una palabra cae del cielo interno como fruta madura y misteriosa y de pronto el lenguaje es una rosa o una lluvia cayendo en mi cuaderno.
    • Asidos al deseo Un largo suspiro de Carlos Roberto Gómez Beras. Isla Negra editores Colección Filo de Juego, San Juan, Santo Domingo, 2021. 

      Morante, José Luis (Polytechnic University of Puerto Rico, 2022)
      Reseña del libro Un largo suspiro por el profesor José Luis Morante.
    • At-Risk Students Prediction Using Machine Learning 

      Ledain Gentillon, Reginald (Polytechnic University of Puerto Rico, 2022)
      This article intends to discover how machine learning can be used to predict at-risk students during the school year. Different algorithms were tested within a common framework to compare their accuracy and their ...
    • Automation of Plasma Diagnostics at Polytechnic University of Puerto Rico 

      Sánchez, Samuel; Colmenares, Franklyn; González Lizardo, Ángel E.; Leal Quirós, Edbertho (Polytechnic University of Puerto Rico, 2008)
      This work presents an ongoing effort to develop an automatic measurement system for plasma diagnostics at the Plasma Engineering Laboratory of Polytechnic University of Puerto Rico, along with an example of its operation. ...
    • Banco de pruebas de relés 

      Figueroa, Heriberto (Polytechnic University of Puerto Rico, 1993-12)
      Description of a test bench that simulates the operation of the protection system of a transmission center. The test bench developed integrates several electromagnetic devices, known as relays, that work together to protect ...
    • Basic Plasma Diagnostics: Probes and Analyzers 

      Leal Quirós, Edbertho; González Lizardo, Ángel E. (Polytechnic University of Puerto Rico, 2008)
      What is plasma? Plasma is the fourth state of matter. Plasma are conductive assemblies of charged particles, neutrals and fields that exhibit collective effects. Plasma is profoundly influenced by the electrical interaction ...