Browsing Polytechnic University of Puerto Rico by Issue Date

Now showing items 201-220 of 2118

    • Design of an Automation and Control System for PUPR-MC Plasma Machine 

      Molina, Omar; Morales, E.; González Lizardo, Ángel E.; Leal Quirós, Edbertho (Polytechnic University of Puerto Rico, 2008)
      The automation of Polytechnic University of Puerto Rico Mirror-Cusp (PUPR-MC) plasma machine is part of the work performed by the Plasma Engineering Laboratory in the experiments of the NASA Solar Probe Mission Thermal ...

    • High Density Plasma Nitriding on Stainless Steel Alloys at PUPR-MC Plasma Machine 

      Rivera, Ramón; Colmenares, Franklyn; Lleonart Dávila, Giovanni; Leal, David; Gaudier, Jorge; González Lizardo, Ángel E.; Leal Quirós, Edbertho; Burgos Saldaña, Gilmer (Polytechnic University of Puerto Rico, 2008)
      A novel method of nitriding at high current levels at Polytechnic University of Puerto Rico Mirror Cusp plasma machine (PUPR-MC) has been performed. Nitrogen ions implantation or plasma nitriding increases the hardness at ...

    • Smart Antenna Performance Simulation in Multipath Propagation Environment 

      Ortiz, Jorge A. (Polytechnic University of Puerto Rico, 2008)
      This paper presents the effect of multipath propagation on the performance of smart antenna. The influence of the correlation between the source multipath components on the uplink beam pattern shape, as well as the resulting ...

    • Plasma Gas Identification Using the Single Langmuir Probe 

      Sánchez, Samuel; Gaudier, Jorge R.; Rivera, Ramón; Colmenares, Franklin; Lleonart, Giovanni; Carrera, Miguel A.; Molina, Omar (Polytechnic University of Puerto Rico, 2008)
      A novel method to identify mass composition of plasmas was discovered at Polytechnic University of Puerto Rico Mirror Cusp (PUPR-MC) plasma machine using a Single Langmuir probe characteristic. This is a comparative method ...

    • Experimental Design of a High Vacuum System for PUPR-MC Plasma Machine 

      Rivera Varona, Ramón; Colmenares, Franklyn; Leal, David; Lleonart, Giovanni (Polytechnic University of Puerto Rico, 2008)
      In vacuum technology it is customary to divide a large pressure region (as of today, covering 16 orders of magnitude) into single, smaller regions. These divisions are somewhat arbitrary. Thus, the chemists frequently refer ...

    • El Juglar (Vol. 1, Marzo 2008) 

      Universidad Politécnica de Puerto Rico. Departamento de Estudios Sociohumanísticos. Oficina de Actividades Culturales. (Polytechnic University of Puerto Rico, 2008-03)
      El Juglar (Vol. 1, Marzo 2008) publicación de la Oficina de Actividades Culturales de la Facultad de Artes y Ciencias. Esta publicación trimestral reseñará y anunciará toda la actividad cultural que disfrutaremos durante ...

    • El Juglar (Vol. 2, Agosto 2008) 

      Universidad Politécnica de Puerto Rico. Departamento de Estudios Sociohumanísticos. Oficina de Actividades Culturales. (Polytechnic University of Puerto Rico, 2008-08)
      El Juglar (Vol. 2, Agosto 2008) publicación de la Oficina de Actividades Culturales de la Facultad de Artes y Ciencias. Esta publicación trimestral reseñará y anunciará toda la actividad cultural que disfrutaremos durante ...

    • Entérate (08-2008) 

      Universidad Politécnica de Puerto Rico. Programa de Honor. (Universidad Politécnica de Puerto Rico, 2008-08)
      Información acerca de los beneficios y requerimientos del Programa de Honor. También pueden hallar información de becas, internados, actividades llevabas a cabo por nuestro departamento y anuncios sobre futuras actividades.

    • El Juglar (Vol. 3, Winter 2008-2009) 

      Universidad Politécnica de Puerto Rico. Departamento de Estudios Sociohumanísticos. Oficina de Actividades Culturales. (Polytechnic University of Puerto Rico, 2008-11)
      El Juglar (Vol.3, Winter 2008-2009) publicación de la Oficina de Actividades Culturales de la Facultad de Artes y Ciencias. Esta publicación trimestral reseñará y anunciará toda la actividad cultural que disfrutaremos ...

    • Entérate (12-2008) 

      Universidad Politécnica de Puerto Rico. Programa de Honor. (Universidad Politécnica de Puerto Rico, 2008-12)
      Información acerca de los beneficios y requerimientos del Programa de Honor. También pueden hallar información de becas, internados, actividades llevabas a cabo por nuestro departamento y anuncios sobre futuras actividades.

    • Statistical Analysis for the Development of a Mathematical Model for Liquid Phase Color Reproduction 

      Rodríguez Rivera, Wilson (Polytechnic University of Puerto Rico, 2009)
      Abstract - This study aims to develop a mathematical model, capable to give a receipt of the dies concentrations to be used to develop a desire color. The model helps to minimize, and in some cases eliminate, the trial and ...

    • Development of General Guidelines for the Pharmaceutical Manufacture Company Reaction to a Consent Decree Emitted by the Federal Drug Administration (FDA) 

      Pérez Moyeno, Janet (Polytechnic University of Puerto Rico, 2009)
      Abstract ⎯ Consent Decrees have been very popular lately. The consent decree mandates that a company start initiating change, and that change is usually associated with the way the company is manufacturing a product; and, ...

    • Improvement of Contact Lens Field Complaint Rate Using the DMAIC Approach 

      Pietri, Emil A. (Polytechnic University of Puerto Rico, 2009)
      Contact lenses are susceptible to a defect call “tearing”. This is common but seldom condition detected in the field by the customer. The manufacturing process of a contact lens is a very precise method of combining ...

    • Piedras Blancas Landslide: Mitigation Works 

      Rendón Ferrer, Janet (Polytechnic University of Puerto Rico, 2009)
      Abstract - The Puerto Rico Highway and Transportation Authority has conducted since the 1980s several geotechnical investigations about the Piedras Blancas Landslide in the Municipality of San Sebastian. This landslide has ...

    • Development of Vaporized Hydrogen Peroxide (VHP) Decontamination Cycle for a Syringe Isolator 

      Ruiz Vargas, José J. (Polytechnic University of Puerto Rico, 2009)
      Abstract - A parenteral syring filling line inside a closed cabin isolator was installed in an existing manufacturing space. To increase sterility assurance the isolator must be effectively biodecontamined by means of Vapor ...

    • Tratamiento de Aguas Residual Domestica para el Complejo de Apartamentos “El Metro”, Villa Mella, Santo Domingo 

      Padilla Gratereaux, Gisselle A. (Polytechnic University of Puerto Rico, 2009)
      Resumen - El diseño de la planta de tratamiento de las aguas residuales domesticas para el complejo de apartamentos “El Metro”, surge de la necesidad del Ing. Juan Padilla de construir dicha planta para 416 viviendas, ya ...

    • Application of Design of Experiment to Demonstrate Equivalency of Two Multi Layer Compression Process for an Extended Release Tablets Product 

      Carrión Vega, Jaime (Polytechnic University of Puerto Rico, 2009)
      Abstract ― A design of experiment (DOE) was performed to a multi layer compression process that is going to be transferred from facility A to facility B. This study demonstrates and compared the equivalence of the compression ...

    • Quality Improvement in a Medical Device Manufacturing Process Applying Six Sigma Tools 

      Rondón Nieves, Luis Daniel (Polytechnic University of Puerto Rico, 2009)
      Abstract - The current manufacturing process of a medical device product has great opportunities on scrap percent reduction, which has been impacting the material and labor costs of the product, as well as in defects per ...

    • Estudio de los Aspectos Ergonómicos en Laboratorios de Control de Calidad en Industrias Farmacéuticas 

      Figueroa Colón, Marielis (Polytechnic University of Puerto Rico, 2009)
      Abstracto - El objetivo de esta investigación es conocer, cuan efectivo son los diseños ergonómicos en laboratorios de control de calidad de las industrias farmacéuticas. En esta investigación se realizó una evaluación de ...

    • Lean and Safe Manufacturing for an Antidepressant Tablets Coating Process 

      Torres Santiago, Meraris (Polytechnic University of Puerto Rico, 2009)
      Abstract - The Lean and Safe Manufacturing Process (6S event) was selected for implementation in an antidepressant tablets coating manufacturing process. The coating process was identified due to the utilization of toxic ...