Mostrando ítems 121-140 de 152

    • A New Design Strategy for Developing Bi Functional Catalysts for Zinc Air Batteries 

      Rivera Rosario, Marielle A. (Polytechnic University of Puerto Rico, 2021-09-17)
      Zinc air batteries are a great alternative to replace lithium batteries, but they require an electrocatalyst for better ORR kinetics In this work, we proposed a new synthesis strategy for a bifunctional electrocatalyst ...
    • Cheating in Engineering College Student: Reasons, Techniques, and Mitigations 

      Lebrón Feliciano, Esteban Noel (Polytechnic University of Puerto Rico, 2021-09-17)
      On August 2020, the main researcher was selected to be part of the Undergraduate Research Program for Honor Students (URP-HS) within the Polytechnic University of Puerto Rico with the assigned topic of cheating (academic ...
    • Assessment of Structural Damages due to the Earthquakes in Puerto Rico Occurred on January 2020 

      García Torres, Edgardo J. (Polytechnic University of Puerto Rico, 2021-09-17)
      The objective of this research is to develop a comprehensive classification and documentation of the failures in buildings that occurred in Puerto Rico in January 2020 as a result of the southern earthquakes, determine ...
    • Design an Operational Performance Rubric for Emergency Rooms in Puerto Rico 

      Pérez Rivera, Danllelo (Polytechnic University of Puerto Rico, 2021-09-17)
      Hospitals are not effectively measuring their operational execution by using benchmarking tools for comparison analysis The Hospital Association of Puerto Rico encourage the competition of effective operations by comparing ...
    • 3D Printing of Conductive Urinary Catheters and their Applications in Electro-Therapies to Overcome Antibiotic Resistance of Bacterial Biofilms 

      Cué Royo, Camila S.; González Arce, Leira K. (Polytechnic University of Puerto Rico, 2021-09-17)
      Today, antibiotic-resistant bacteria represent a global health challenge, especially for the control of catheter-associated urinal tract infections (CAUTI). Conventional antibacterial treatment for CAUTI requires a high ...
    • Technology during unprecedented times 

      Nieves Álvarez, Britanie V. (Polytechnic University of Puerto Rico, 2021-09-17)
      In the midst of the pandemic crisis caused by the new coronavirus, technology can be a key ally to achieve better results, both to reduce its spread and to mitigate and minimize its impacts. The system developed throughout ...
    • Glow Discharge Plasma sterilization as an alternative for ethylene oxide sterilization (EtO) 

      Albertorio Rosado, Aneizka (Polytechnic University of Puerto Rico, 2021-09-17)
      This work is considering plasma sterilization as an alternative for ethylene oxide sterilization ( EtO ). Ethylene oxide is a carcinogen that represents a threat to the environment and human health. During the COVID ...
    • Vulnerability of schools in Puerto Rico to tsunami events 

      Torres Rodríguez, Verónica A.; Cohen Vázquez, Joel A. (Polytechnic University of Puerto Rico, 2021-09-17)
      Puerto Rico is in an area of high seismicity, due to the presence of seismic faults around and within the Island These faults have the potential to generate earthquakes that cause tsunamis, as occurred in 1918 in the ...
    • Viability of Reflector to Improve Solar Panels Productions & Viability of Indoors Solar Panels with Artificial Light For Future Applications 

      Chéverez Rodríguez, Gabriel J. (Polytechnic University of Puerto Rico, 2021-09-17)
      The good voltage and current values in a solar panel, but they are not negligible for practical applications use of renewable energies has gradually been incorporated into society to counteract the damaging effects ...
    • Vulnerability of Bridges to Natural Events 

      León Malavé, Patricia (Polytechnic University of Puerto Rico, 2020-11-13)
      This project utilized the HAZUS program and ArcGIS to perform vulnerability assessments on the bridges in Puerto Rico After conducting earthquake scenarios, the most probable bridge to experience failure or distress was ...
    • Glow Discharge Plasma Sterilization of Prokaryotic Microorganism Through Electrostatic Plasma 

      Cepeda Torres, Omar S.; Martes Martínez, José O. (Polytechnic University of Puerto Rico, 2020-11-13)
      Plasma is the fourth state of the matter In this state the matter has enough energy to delocalize the subparticles of the atoms that make up the material At the subatomic level plasma is a mixture of highly energized ...
    • Analysis of Surface Electromyography Signals of the Arm in Adults 

      Colón, José E. (Polytechnic University of Puerto Rico, 2020-11-13)
      In human history, medicine has always sought to improve the quality of life of patients with disabilities by designing what is now known as either an assistive device or prosthesis For a person who has an amputated arm, ...
    • 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 ...
    • Development of a Hydrokinetic Turbine for Puerto Rico 

      Rivera Rodríguez, Andrea; Diaz Mercado, Estefan L. (Polytechnic University of Puerto Rico, 2020-11-13)
      The island of Puerto Rico has struggled for decades with antiquated power plants that produce excess greenhouse gases In 2017 the delicacy of the overall power system on the island was demonstrated when two Category 5 ...
    • Dielectric characterization of permittivity, conductivity and loss factors of porcine tissues by impedance spectroscopy 

      Fernández Lozada, Emy J. (Polytechnic University of Puerto Rico, 2020-11-13)
      This investigation was performed to determine whether the mean of fetal porcine tissues analyzed by impedance spectroscopy for their properties adhered to the idealized plots The statistical process was with the purpose ...
    • Comparative Study: Electric Vehicles vs. Combustion Vehicles 

      Soto Pomales, Angélica C. (Polytechnic University of Puerto Rico, 2020-11-13)
      In 2017, a study for Greenhouse emissions discovered that 82% of these emissions are Carbon Dioxide and its main cause is the production of gasoline and diesel for transportation. It’s believed that Electric Vehicles may ...
    • Risk & Vulnerability Assessment on Water Treatment Infrastructure against Natural Hazards in Puerto Rico 

      Lugo Montes, Abdiel (Polytechnic University of Puerto Rico, 2020-11-13)
      This research focused on the use of FEMA’s Hazus-Multi Hazard GIS modeling software for the performance of a risk and vulnerability assessment on drinking water treatment plants in Puerto Rico against natural hazards. ...
    • Infrastructure Condition Assessment Using Drones 

      Atra, Imad (Polytechnic University of Puerto Rico, 2020-11-13)
      The condition assessment in pavement is carried out by performing a traditional visual inspection, and by applying the Pavement Condition Index -PCI (Vásquez, 2002). The visual inspection implies to access the roadway and ...
    • Renewable Energy Lab for Wind & Solar Power System Analysis 

      Calder Acosta, William Rene; Rodríguez, Andrés (Polytechnic University of Puerto Rico, 2018)
      Renewable energy resources used to produce electric energy, significantly lower CO₂ emissions by substituting non-renewable resource based power generators. Our investigation hopes to support the use of these renewable ...
    • Stabilization of a Spherical Robot 

      González, Kenneth J.; Sánchez, Christian
      Robotics is a multidisciplinary branch of science which combines principles of mechanical, electrical, computer engineering and computer science to design automated systems Our research continues the work started as part ...