Now showing items 936-955 of 1490

    • Modifications to the Purified Water Storage and Distribution System Polytechnic University of Puerto Rico 

      Rivera Vilá, Jesús M. (Polytechnic University of Puerto Rico, 2013)
      The Purified Water is identified to play an integral role in manufacturing operations. Careful considerations and good manufacturing practices must take place in order to minimize contamination and bacterial load. It ...
    • A Modified Computer Model of a Hyperbolic Energy Analyzer to Determining Its Potential for Operating as a Mass Spectrometer 

      Barreda García, Gerardo E. (Polytechnic University of Puerto Rico, 2016)
      Conventional energy analyzers are used as a plasma diagnostic tool for the determination of ion and electron energy spectra and temperature, having applications in a broad range of disciplines, including molecular spectroscopy, ...
    • Molding Scrap Reduction and Reutilization 

      Lugo Gomez, Herber J. (Polytechnic University of Puerto Rico, 2021)
      A company named ABB, whose operations in Puerto Rico focuses on molded cable installation products, experienced scrap generation during the subassembly processes. The scrap costs represented over $200K per year. The Plant ...
    • Molecular Weight Test Method Validation and HPLC System Qualification 

      Hernández, Karla P. (Polytechnic University of Puerto Rico, 2020)
      The Molecular Weight (Mw) Test Method is performed by a contract laboratory. Performing the method externally affects the product release timeframe and represents additional costs when the results are required to ...
    • Monomer’s Residuals Test Elimination for Soft Acrylic Buttons at Polytechnic University of Puerto Rico 

      Vargas Lugo, Bethzaily (Polytechnic University of Puerto Rico, 2022)
      In the cataract surgery, the natural lens in the eye is replace with an Intraocular Lens. Five monomers (EA/EMA, TFEMA, EGDMA, UV Chr) are mixed to produce the soft acrylic lens. Residual monomer testing ...
    • Monoxide Sensor Device Prototype Development and Implementation in a Mechanic Shop Building 

      Saldaña Rabelo, Jorge L. (Polytechnic University of Puerto Rico, 2012)
      Abstract - Carbon Monoxide is a dangerous component that primarily comes from incomplete combustion of carbon containing fuels. Is a gas with no odor, color or taste , have approximately the same density as air. Is often ...
    • Morovis Sur Water Treatment Plant Optimization 

      Rodríguez Mercado, Vimary (Polytechnic University of Puerto Rico, 2012)
      Abstract - Morovis Sur Water Treatment Plant is one of the many water treatment plants in Puerto Rico which do not fully comply with regulatory requirements established by federal drinking water regulations. Following the ...
    • Mortar Mix Design for Roofing Applications 

      Montilla, Salvador A. (Polytechnic University of Puerto Rico, 2014)
      The following information is about the results on experimental tests of a mortar containing fly ash used on roofing application. These results are based on compressive strength, air permeability and specific gravity. ...
    • MRB Disposition Process Improvement to Reduce High Inventory Level and Aging at a Medical Device Company using DMAIC Methodology 

      Rodríguez Aviles, Ninoska V. (Polytechnic University of Puerto Rico, 2014)
      Quality is an important aspect of the Medical Devices industry. The medical device manufacturing sector has become more regulated everyday in which significant quality systems and product requirements must be satisfied. ...
    • Multi-Site Spare Part Monitoring Plan at RM Manufacturing Puerto Rico 

      Fernandez Rodriguez, Raul M. (Polytechnic University of Puerto Rico, 2022)
      At RM Manufacturing, increase in downtime was observed due to spare parts unavailability. Spare parts monitoring strategy plays a key role in ensuring a manufacturing plant’s uptime. The objective of this project was to ...
    • Multithreading & Sequence Validation Algorithm: Solving Cryptarithmetic Problems 

      Díaz Muñiz, Orlando (Polytechnic University of Puerto Rico, 2012)
      Abstract - Cryptarithmetic problems are mathematical equations of unknown numbers that are represented by letters. The goal is to identify the number that represents each letter. There are algorithms that provide a simple ...
    • My Real Estate Web-Application 

      Garrote Aparicio, Andrés (Polytechnic University of Puerto Rico, 2012)
      This report is focused on explaining the aim of the My Real Estate web application. Details about the decisions made about the design and development of the tool with the capability to integrate the different tasks that ...
    • MySeriesList 

      Rolón Adorno, Aidyl M. (Polytechnic University of Puerto Rico, 2015)
      Usually a person has problems in registering or keeping a log of their own hobbies. For many years people succumbs to hobbies like a scape, stress relieve, or just used to have fun. These specialties vary with each ...
    • 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 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 ...