Buscar
Mostrando ítems 1-10 de 24
Comparative Study: Electric Vehicles vs. Combustion Vehicles
(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 ...
Development of a Hydrokinetic Turbine for Puerto Rico
(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 ...
Analysis of Surface Electromyography Signals of the Arm in Adults
(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, ...
Vulnerability of Bridges to Natural Events
(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 ...
Infrastructure Condition Assessment Using Drones
(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 ...
Nickel Doped Carbon Nitride for Applications in Electrochemical Energy Systems
(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 ...
Cheating in Engineering College Student: Reasons, Techniques, and Mitigations
(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 ...
3D Printing of Biopolymer Composites Fabricated from Polylactic Acid & Eggshell Derived Hydroxyapatite
(Polytechnic University of Puerto Rico, 2021-09-17)
Hydroxyapatite
( is a naturally occurring mineral form of calcium apatite, which
is found in 65 70 of human bones Waste derived HAp is attracting considerable
attention due to its excellent biocompatibility and capacity ...
A New Design Strategy for Developing Bi Functional Catalysts for Zinc Air Batteries
(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 ...
Glow Discharge Plasma sterilization as an alternative for ethylene oxide sterilization (EtO)
(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 ...