• New Dewatering Belt Filter Press System 

      Torres Rivas, Juan C. (Polytechnic University of Puerto Rico, 2016)
      The new belt filter press that was installed recently will help the company to reduce labor cost, polymer usage as well as improve dewatering process. Actually running an old belt filter press did not help to dewater ...
    • New flow route for the delivery of the to be cleaned filling equipment for the lot-to-lot changeover optimization using the lean manufacturing methodology 

      Cruz Martínez, Karina Y. (Polytechnic University of Puerto Rico, 2022)
      Management demand to reduce downtime in manufacturing had increased in recent years. This led manufacturing to use the Lean Methodology and Six Sigma tools to optimize the process. Focused on process improvement and ...
    • New Maintenance and Engineering Division to improve growth and profits of the Matrix Company 

      Berríos Rodriguez, Alberto (Polytechnic University of Puerto Rico, 2015)
      Purification of water has been an important activity for beverage companies. There are plenty of different ways adopted to purify the water and chemical is an essence in each way. In this project, the highlighted issues ...
    • New Material and Personal Lifting for Material Management Building 

      Rivera Iglesias, Lizette E. (Polytechnic University of Puerto Rico, 2022)
      A new elevator will be installed in the materials handling building of Lilly del Caribe. For it, a facility commissioning will be carried out, since where the stairs of the building are, it will be installed there. It ...
    • New technologies in mathematics 

      Sarmiento, Jorge (Polytechnic University of Puerto Rico, 1998-06)
      Throughout the ages, the development of computational instruments runs parallel to the development of mathematics playing an important role in the dissemination of this subject matter and its applications. Nevertheless, ...
    • New Tools for the Design and Analysis of Complex Springs 

      Candelario, William (Polytechnic University of Puerto Rico, 1999-06)
      The molded case circuit breaker industry, in general, produces great families of breakers, i.e., the bolt-on and the plug-in units. The bolt-on unit uses a screw to connect the unit to the bus bar of the panelboard. In the ...
    • Ngram Analysis on Classical Ciphers for ease of Understanding of Cryptography 

      Jiménez Correa, José E. (Polytechnic University of Puerto Rico, 2021)
    • Nickel Doped Carbon Nitride for Applications in Electrochemical Energy Systems 

      Acosta, José; Burgos, Ivonne; De La Luz, Natalie (Polytechnic University of Puerto Rico, 2020-11-13)
      Alkaline fuel cells and supercapacitors have attracted considerable attention over the last decades, mainly because these systems offer the possibility to produce and store energy in a sustainable manner Since the current ...
    • Nickel Doped Carbon Nitride for the Photoelectrochemical Degradation of a Sunscreen derived Organic Pollutant Found in Swimming Pool Waters 

      Ortiz, Jahzeel; Rivera, Ambar (Polytechnic University of Puerto Rico, 2021-09-17)
      The fabrication and consumption of sun care products has increased exponentially the concentration of organic UV filters in the oceans and seas, which represents a threat to the marine environment The present research ...
    • Nitrogen and BOD Removal from Municipal Wastewater Using a Constructed Vegetate Plug Flow Multiple Stages Series System 

      Lugo Rosa, Orvill (Polytechnic University of Puerto Rico, 2012)
      Abstract - Most wastewaters contain nitrogenous compounds that have given rise to various negative phenomena in water environments, such as growth of algae causing eutrophication with damage to aquatic life, being toxic ...
    • Non Production Scrap Reduction in the DVD Manufacturing Process 

      Figueroa Torres, Angel José (Polytechnic University of Puerto Rico, 2012)
      As well as many other manufacturing processes the Compact Disc (CD) and Digital Video Disc (DVD) manufacturing companies are in constant perused for price and scrap reduction. This research approach the reduction is ...
    • Nonlinear Pharmacokinetic Models Based on Statistical Regression Methods Using Secondary Data 

      Ortiz Stewart, Ishmael (Polytechnic University of Puerto Rico, 2023-08-31)
      This research is about creating nonlinear pharmacokinetic models to better understand the behaviors that take place. From there, see patterns, relations between behaviors, and statistical techniques and, as an end goal, ...
    • Nonlinear Static Analysis and Evaluation of an Existing Structure 

      Martínez Rivera, José L. (Polytechnic University of Puerto Rico, 2015)
      A seismic evaluation was performed to an existing structure in the city of Carolina, who is a municipality located on the northeast coast of Puerto Rico. It is a concrete structure of two levels with a lateral resistance ...
    • Nonoccupational noise exposures and their hazards: a literature review 

      Pesante Santana, José A. (Polytechnic University of Puerto Rico, 1998-06)
      Noise pollution has been extensively studied during the last 30 years. Although most of the government regulations protect the vast majority of the workforce in the in the United States, they fail to consider the workers' ...
    • Notas preliminares sobre el rol de la educación tecnológica en el mundo moderno 

      Miranda Irlanda, Wilfredo (Polytechnic University of Puerto Rico, 1991-06)
      El preparar estudiantes para una ocupación u oficio en la industria moderna requiere, al presente, un programa educativo que incluya todos los elementos de una alta tecnología tanto en la teoría como en la práctica. ...
    • NPDES: La gran realidad 

      Torres Arroyo, María L. (Polytechnic University of Puerto Rico, 2022)
      Este proyecto está enfocado en el análisis del Permiso NPDES en Puerto Rico. El mismo persigue identificar los factores que pudiesen estar influyendo en la implementación efectiva de los requerimientos establecidos en ...
    • NPI Workgroups Management System 

      Rivera González, Joel (Polytechnic University of Puerto Rico, 2021)
      Organizations with virtual teams and its resources located in different geographical locations have a growing concern on the impact of turnaround time and work-life balance. As a result, the main challenges are the coverage ...
    • Nutri-Fitness Tracker Web Application 

      Negrón Santiago, Josué J. (Polytechnic University of Puerto Rico, 2019)
      There are several health programs that intend to help people to drop weight in a natural manner. Novovida Health & Fitness is such a program, which promotes a better eating habit and physical activities in order to ...
    • Obsolescence Management- Unknown Parts 

      Beltran Cruz, Diara (Polytechnic University of Puerto Rico, 2020)
      In an aerospace program, an opportunity to improve the obsolescence process was identified. The DMAIC methodology was implemented. The Bill of Materials was evaluated and it was found that there are parts with Unknown ...
    • Ocio y negocio: las nuevas geografías del espacio público 

      Nenadich, Nadya K. (School of Architecture, Polytechnic University of Puerto Rico, 2009)
      Dentro del cambiante marco que traza las diversas geografías de lo público, el espacio ha sido uno de los elementos clave en Ia recomposición del contexto histórico contemporáneo. La localización de las personas, Ia manera ...