• Disinfection alternatives to control corrosion on water systems. 

      Soto Díaz, Jesuel (Polytechnic University of Puerto Rico, 2018)
      Disinfection is one of the most common processes in the world since the human understood that the water contained pathogens that can be lethal. Since this, new methods and techniques of disinfection had been developed ...
    • Disminución de Tiempo en Llamadas en Centro de Servicio Bancario 

      Giraldo Machuca, Gabriel Y. (Polytechnic University of Puerto Rico, 2022)
      El centro de servicios FLSC de FirstBank Puerto Rico confrontó a mayor magnitud un alto volumen de llamadas y alto tiempo en ellas tras fusionarse con Banco Santander. El extenso tiempo en llamadas y la baja productividad ...
    • Disminución en la Variación del Torque en la Línea de Producción de Empaque 

      Pomales González, Eddie (Polytechnic University of Puerto Rico, 2016)
      El sellamiento de los productos ha sido de gran importancia para la industria del empaquetamiento ya que un buen sellamiento asegura que el producto va a permanecer a salvo de contaminación. En orden de conseguir un ...
    • Distribución Efectiva de Tareas y Responsabilidades de los Inspectores para Optimizar el Plan de Mantenimiento Preventivo 

      Martínez Feliciano, Omayra (Polytechnic University of Puerto Rico, 2022)
      Este escrito presenta las soluciones recomendadas a la problemática del Directorado de Obras Públicas en una instalación militar. La División de Operaciones y Mantenimiento, la cual es responsable de supervisar el mantenimiento ...
    • DMAIC Application to Reduce Medication Errors in a Specialized Pharmacy Process 

      Cátala Rivera, Karem (Polytechnic University of Puerto Rico, 2014)
      Medication errors can have serious consequences for patients, and medication safety is essential to pharmaceutical care. Insight is needed into the vulnerability of the working process at specialized pharmacies in order ...
    • Do You Stay Connected, or Do You Disconnect? 

      Lozada Figueroa, Sergio Andrés (Polytechnic University of Puerto Rico, 2023)
      This Research Project is based on the lack of knowledge in the area of solar energy in Puerto Rico. Yes, a low percentage of residents have invested in solar systems. The current power grid is not reliable and it’s constantly ...
    • Dominguito Transformer Overload 

      Silva Matos, Eliam J. (Polytechnic University of Puerto Rico, 2023)
      Assessments were made in Arecibo, Puerto Rico, between 2021 and 2023 to determine the root cause for loading issues that were occurring in this area. From this investigation, it was found that Dominguito substation has an ...
    • Downstream Sampling Process Optimization 

      Joshi Sánchez, Atika N. (Polytechnic University of Puerto Rico, 2014)
      The Downstream Sampling Process in the Biopharmaceutical industry is a timely and product consuming step. This process can be described as a highly labor intense due to all the required steps to collect a sample. In ...
    • Downtime Reduction Driven by Evaluation of Material Unavailability 

      Rivera Garcia, Danny (Polytechnic University of Puerto Rico, 2014)
      In the manufacturing & life-sciences industry, increased competition has forced a cost-reduction philosophy in what was once a highly profitable business. Manufacturers now need to maintain or improve time to market and ...
    • Driver Profile and Smart Cars, A Step Ahead in Vehicle Registration and Security 

      Rosario Cruz, Alexis O. (Polytechnic University of Puerto Rico, 2019)
      As vehicle technology advances, so will vehicle security. Systems are being developed to make all elements in a traffic environment communicate with each other to provide a safer and secure landscape. While such an ...
    • Drug Product Process Development Storage Capacity at Amgen’s AML7x 

      Rodriguez Torres, Brayan J. (Polytechnic University of Puerto Rico, 2021)
      The project aimed to increase the storage capacity for the drug product process development team in AM17x building at Amgen. Storage process and operation improvements were identified through the use of the lean concept. ...
    • Dynamic Modeling and Control System Design for a Passenger Coaxial Dodecacopter 

      Nieves Nevárez, Mairim (Polytechnic University of Puerto Rico, 2022)
      Personal Aerial Vehicles (PAVs) are drones that provide transportation to passengers. The airframe and propulsion systems of a manned dodecacopter, or Personal VTOL Vehicle, were previously developed by ...
    • “Easy Checkbook” 

      Ramírez Colón, Orlando (Polytechnic University of Puerto Rico, 2014)
      Por lo general muchas personas tienen problemas llevando sus cuentas bancarias al día ya que cuadrar una chequera es un poco complicado y conlleva mucho tiempo. Este trabajo puede ser más fácil para los clientes con ...
    • Eco-Premia: Plan de Reciclaje Alternativo en Puerto Rico 

      Ortiz Vázquez, Braulio (Polytechnic University of Puerto Rico, 2015)
      Uno de los grandes retos que presenta un plan de reciclaje es aumentar los recaudos de desperdicios sólidos. Este artículo se propone a presentar un plan de reciclaje complementario para lograr aumentar los recaudos de ...
    • Efecto de las Extracciones en los Ríos de Puerto Rico 

      Medina Cortés, Ivonne (Polytechnic University of Puerto Rico, 2010)
      En Puerto Rico, desde la década del 50, se está llevando a cabo la extracción de agregados en algunos ríos del país. El problema que ha ocasionado esta actividad es la contribución a la degradación de sus lechos. ...
    • Efectos Causados por el Huracán María en las Canchas de Baloncesto del Municipio de Yabucoa, Puerto Rico 

      Cuevas Meléndez, Edgardo (Polytechnic University of Puerto Rico, 2019)
      El huracán María entró a Puerto Rico el 20 de septiembre de 2017. El punto de entrada fue el municipio de Yabucoa, que fue uno de los más afectados. Para este proyecto, se investigaron los daños a las canchas de ...
    • The Effect of the Vaporized Hydrogen Peroxide Residues in a Trypticase Soy Agar Plates for a New Barrier Isolated Syringe Filling Machine 

      Lebrón Santos, Ana Delma (Polytechnic University of Puerto Rico, 2011)
      This study has been performed to evaluate the feasibility and adequacy of the Trypticase Soy Agar (TSA) plates in promoting growth after being exposed to Vapor Phase Hydrogen Peroxide (VPHP) decontamination cycle. This ...
    • Effective Work Order Requests And Scheduling Tool Design for Maintenance Jobs 

      Vélez Arias, Sergio A. (Polytechnic University of Puerto Rico, 2020)
      A company located in Puerto Rico, which provides maintenance services and project management for various private properties, identified a problem of delays in maintenance work order response time and completion of ...
    • Effectiveness of Push-Pull Method in a Hydraulic Sales Environment 

      Ortiz Burgos, Juan R. (Polytechnic University of Puerto Rico, 2016)
      In today industry of sales, the main activity is to manage inventory in the fastest way possible. In the same way a warehouse main activity is to move the inventory from point a to point b in the fastest way without ...
    • Effects of In-stream Sand and Gravel Mining in Scour at Bridges in Puerto Rico 

      Torres Santana, Ana L. (Polytechnic University of Puerto Rico, 2016)
      Scour of bed material from around bridge foundations is the most common cause for the failure of highway bridges in the United States. In Puerto Rico, millions of dollars are being spent by the Puerto Rico Highway Authority ...