• Sobre “espanglish” y purismos 

      Santos, José E. (Polytechnic University of Puerto Rico, 2016)
      El mal llamado purismo insular goza de una inmerecida membresía en el salón de la infamia. Se le ve bajo el prisma de la actitud complaciente y seudo-neutral de la lingüística contemporánea. No existe tal cosa como ...
    • Sobrepoblados 

      Rodiz, Pedro (Polytechnic University of Puerto Rico, 2022)
      Obra del dramaturgo, director teatral, guionista, actor, profesor de teatro Pedro Rodiz.
    • Strain gauge and micrometer instrumentation of a truss structure 

      Amado González, Vanessa; Ortiz Marti, Luis A.; Batista Soto, Julian; Peña Rosado, Edwin; Tito Izquierdo, Jorge A.; Collazos Ordóñez, Omaira M. (Polytechnic University of Puerto Rico, 1997-12)
      This project was performed as part of the Structural Analysis courses in order to compare theoretical results of the response of simple structures with the experimental results obtained at the Structures Engineering ...
    • The Structure of a Composite Galaxy Model 

      Talavera Balbuena, Claudia E. (Polytechnic University of Puerto Rico, 2016)
      The algorithms and numerical methods describes the way of implementing a composite galaxy –bulge area, disk, and galaxy halowhich is modeled as a full three-dimensional entity, using spherical and disk models as ...
    • Study of the density of states in amorphous Silicon-Hydrogen using the semiconductor/electrolyte system 

      Muñoz, William (Polytechnic University of Puerto Rico, 1996-12)
      Localized states in amorphous Silicon-Hydrogen are studied by pulsed measurements on the a-Si:H/electrolyte (S/E) system. The S/E interface is essentially blocking to current flow. As a result, surface space-charge layers, ...
    • Subscriber line automatic identification number device 

      Lozada, Roberto; Sánchez, Pedro A. (Polytechnic University of Puerto Rico, 1995-12)
      The subscriber line automatic identification number device, SLAIN device, is an apparatus that may be utilized as the subscriber's end section of a telephone privatization system. This system will not utilize any equipment ...
    • Sueño con una barba inconfundible 

      del Carril, Emilio (Polytechnic University of Puerto Rico, 2022)
      Relatos del escritor Emilio del Carril: Sueño con una barba inconfundible.
    • Techniques for Functional and Structural Testing of Software 

      Cruz Triana, Alfredo; Méndez, Adrián E. (Universidad Politécnica de Puerto Rico, 1999-12)
      This work will present the structural and functional approaches as software testing process techniques. The software testing process is one that consumes at least half of the labor expended to produce a working program. ...
    • Temperature Mapping at a Pharmaceutical Product Warehouse 

      González Reyes, Elvin Xavier (Polytechnic University of Puerto Rico, 2019)
      To sustain pharmaceuticals products with high quality until they arrive to the patients, it is necessary to store them under specified temperature conditions. Warehouses that store these kinds of products use temperature ...
    • Terra Incognita: el espacio público en Río Piedras 

      Sánchez Febres, Ricardo J. F. (Polytechnic University of Puerto Rico, 2015)
      Históricamente, la mayoría de las épocas han articulado cambios o movimientos orientados a la revitalización o expansión cultural- social-económica y política de sus ciudades. Estos cambios los vemos claramente ...
    • Theory of constraints will really improve your competitiveness 

      Cruz, Rafael (Polytechnic University of Puerto Rico, 1992-12)
      The Theory of Constraints (TOC) is a new management philosophy created by Eliyahu M. Goldratt to help an enterprise reach its goal. In order to accomplish this objective a company must change the paradigm of costs an follow ...
    • Theory of constraints will really improve your competitiveness 

      Cruz, Rafael (Polytechnic University of Puerto Rico, 1993-06)
      The Theory of Constraints (TOC) is a new management philosophy created by Eliyahu M. Goldratt to help an enterprise reach its goal. To accomplish this objective a company must change the paradigm of costs and follow two ...
    • Theory of operation of today CD systems 

      García, Rafael; Trabanco, Benjamin R. (Polytechnic University of Puerto Rico, 1993-12)
      In this article we examine the main events that lead to the invention of the compact disc or CD, as we all call it. We consider the most important components of the playback section of the CD such as the pick-up circuit, ...
    • Time Confinement Simulation of a Charged Particle in a Mirror Magnetic Field 

      Ávila O’Neill, Sara R. (Polytechnic University of Puerto Rico, 2016)
      Plasma is a state of matter formed of electrically charged particles. Those particles are greatly influenced by electromagnetic interactions, which have been abundantly studied since the 19 century. The Lorentz equation ...
    • Time Optimization of Gas Chromatography-Mass Spectrometry Method for Controlled Substances Analysis 

      Espada Colón, Cindy Ann (Polytechnic University of Puerto Rico, 2016)
      An optimization of the gas chromatography- mass spectrometry (GC-MS) method was conducted by establishing a temperature ramp of 150°C, held by 3 min and raising at 12°C/min until reaching 300°C, which from 25.00 min ...
    • Tip Optimization for Near-Field Scanning Optical Microscopy by Laser-Heated Pulling 

      Casper Ortiz, William (Polytechnic University of Puerto Rico, 2005)
      The ability to manufacture reproducible and low-cost probe tips is critical for the improvement of near-field scanning optical microscopy as both the resolution and efficiency of the apparatus depend on the tip's geometrical ...
    • Tools for Predicting Uncertainty and confidence Intervals in Radiometric Data Products 

      Mahan, J. R.; Sánchez, María Cristina; Ayala, Edwin A.; Priestley, Kory J. (Universidad Politécnica de Puerto Rico, 1999-12)
      Spaced-based observations of atmospheric energetics, such as those provided by NASA’s Clouds and the Earth’s Radiant Energy System (CERES), produce data products intended to be shared with the larger scientific community ...
    • Total Productive Maintenance (TPM) to Improve Laboratory Performance 

      Rosario López, Ayechia M. (Polytechnic University of Puerto Rico, 2022)
      Total Productive Maintenance is a methodology focused on the improvement of equipment performance. Is a concept mainly employed in the manufacturing operations in which the equipment performance is constantly monitored to ...
    • Trastorno generalizado del desarrollo o autismo atípico (TGDAA): Implicaciones en el aprendizaje 

      Forcino Rubero, Ernesto (Polytechnic University of Puerto Rico, 2019)
      Artículo sobre el autismo en el área de la pedagogía.
    • Trigésimo Aniversario 

      Vélez Delgado, Gilberto A. (Polytechnic University of Puerto Rico, 1996-12)
      La Universidad Politécnica de Puerto Rico (UPPR) cumple 30 años. Nació en 1966 cuando comenzó a ofrecer cursos técnicos conduncentes a un bachillerato en agrimensura y cartografía.