• Nano Filtration Membrane Skid #2 – Fouling Issues 

      Lopez Perozo, Alfonso Javier (Polytechnic University of Puerto Rico, 2022)
      Water treatment plants that use nano filtration membranes are affected by fouling issues when the feedwater is not controlled efficiently. The city of Hallandale Beach experienced a reduction in the filtration capacity and ...
    • National Cyber League challenges as a way to teach Cybersecurity 

      Agosto Quiñones, André (Polytechnic University of Puerto Rico, 2018)
      Cybersecurity education is a relative new topic in most educational organizations today. This presents a problem to most educational institutions like universities who confront the challenge of teaching cybersecurity topics ...
    • Network Security Assessment using Bettercap: DNS Spoofing and How to Mitigate 

      Santiago Solivan, Rafael (Polytechnic University of Puerto Rico, 2023)
      In the ever-evolving landscape of cybersecurity, the demand for effective tools and techniques to safeguard networks from malicious actors is paramount. This master's degree final project proposes an investigation into the ...
    • Network Security Assessment – Work from Home 

      Correa Meléndez, Arturo E. (Polytechnic University of Puerto Rico, 2021)
      In the past two years, we have seen an increase in employees working from home. This is mainly due to the Covid-19 pandemic. Because of this a study was conducted on a home network that were being used to work from home. ...
    • Neuromodulation Leads Yield Fallout Improvement due to Fallen Segment 

      Ramos Mas, Paloma Del Mar (Polytechnic University of Puerto Rico, 2021)
      Neuromodulation Leads used for Deep Brain Stimulation (DBS) is an elective surgical procedure in which electrodes (that generates electrical impulses that control abnormal brain activity) are ...
    • Neuromodulator Device Scrap Reduction Using DMAIC Methodology 

      Fuentes Cruz, Ismael (Polytechnic University of Puerto Rico, 2019)
      This research project was focused in the Scrap reduction in a final electrical test area of a medical device company. The scrap is defined as the number of dollars per units resulting from the cost of rejected units ...
    • 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 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 ...
    • Ngram Analysis on Classical Ciphers for ease of Understanding of Cryptography 

      Jiménez Correa, José E. (Polytechnic University of Puerto Rico, 2021)
    • 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 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 ...
    • 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 ...
    • Off Site Database Management 

      Venegas Ríos, Jesús J. (Polytechnic University of Puerto Rico, 2012)
      Abstract― In today’s database systems there is a rise in security needs and Database redundancy procedures in order to keep information readily available and secure in the event of a catastrophe. There are different ways ...
    • Offensive Security Using Burp Suite 

      Torres, José (Polytechnic University of Puerto Rico, 2020)
      Burp Suite is a tool used by most professional web page pen tester. It has many features to help the pen tester do his job. The tool help students learn about different type of vulnerabilities like web cache poisoning, ...
    • Office Area Air Conditioning Optimization using Variable Refrigerant Volume System 

      Peña Guzmán, Geraldo (Polytechnic University of Puerto Rico, 2013)
      An office area located in a food industry manufacturing plant of Puerto Rico was analyzed, and a variable refrigerant volume system (VRV) was proposed. Calculations showed an expected energy consumption reduction of around ...
    • On Boarding Cycle Time Improvement to Accelerate Recruitment of Store Operations 

      Muñoz Torres, Bryan (Polytechnic University of Puerto Rico, 2015)
      Recruitment is a crucial step in all of the companies around the world. Is the process of finding and hiring the best qualified candidate for a job opening, in a timely and cost effective manner, This process also ...