• Single sub-micron structures testing platform for chemiresistive gas sensors: Microfabrication process design and assembly by lift method 

  De Jesús Villanueva, Nérida H. (2020-03-04)

  Devices built at the micro and nanoscales, with high-throughput capability utilizing microfabrication methods, are traditionally achieved by photolithography. In the past decade Metal oxide Semiconductors (MOS) research ...

• La disposición a adoptar el uso de la tecnología por los agricultores en Puerto Rico para llevar los registros de la finca en aplicaciones para celulares o tabletas 

  Fuertes Hernández, Ysamart Ediths (2019-12-09)

  This study identified the farmers’ profile in Puerto Rico who are willing to use tablets or cellphones as a tool for the management of the farm. In addition, one determined the variables that can predict the adoption and ...

• Literacia financiera entre los estudiantes universitarios 

  Almodóvar Medina, Joanmery (2019-12-09)

  This research aims to determine the level of financial literacy among university students of the University of Puerto Rico at Mayagüez, as well as identify factors that may affect their financial knowledge. Also, the study ...

• Assessing the species relationship of the bamboo collection at USDA-Tropical Agricultural Research Station at Mayaguez, Puerto Rico through DNA barcoding 

  González Avilés, Edlín (2019-12-09)

  Bamboo is a grass that belongs to the subfamily Bambusoideae and has approximately 1400 different species distributed in 116 genera. This plant has been widely used by humans as a source of food, shelter, clothing and ...

• Efecto de la adición de L-carnitina a la dieta de codornices japonesas (Coturnix coturnix japonica) variedad tejana gigante, sobre el comportamiento productivo, ganancia en peso corporal, conversión alimenticia y características de calidad en la canal en condiciones tropicales 

  Ambert Morales, Axel M. (2019-12-03)

  The objective of this study was to determine the effect of L-carnitine: 0, 50, or 100 mg/kg in the Japanese quail var. Texas A&M under tropical conditions, from 1-11 weeks of age on production parameters. Another goal ...

• La representación del prócer: José Celso Barbosa y Luis Muñoz Rivera en el texto El año terrible del 87: Sus antecedentes y consecuencias de Antonio S. Pedreira 

  Ruiz Candelaria, Keyla I. (2019-12-09)

  Esta investigación examina en el Capítulo I los sucesos históricos a finales de Siglo XIX previos y durante la invasión de la Guerra Hispanoamericana del 1898, que se señalan en el texto de El año terrible del 1887: Sus ...

• Framework for humanitarian logistics and relief distribution efforts of non-established relief groups in the aftermath of a catastrophic event: Hurricane Maria in Puerto Rico 

  Rojas Ibarra, María X. (2019-12-12)

  After massive disasters and catastrophes, the infrastructure and communication systems of a community can be severely affected to the point that their function could be nonexistent. Furthermore, the affected areas are ...

• The elliptic anisotropic problem with Wentzell boundary conditions and variable exponents 

  Díaz Martínez, Víctor Manuel (2019-12-10)

  Let $\Omega\subseteq\mathbb{R\!}^N$ be a bounded Lipschitz domain, for $N\geq3$. We investigate the solvability and regularity of a class of quasi-linear elliptic equations involving the anisotropic $\overset{\rightarrow ...

• Diffusing the electric power transmission-distribution boundary through high DER presence 

  Cuello-Polo, Gustavo A. (2019-12-05)

  The future of the electric power industry aims for a more decentralized and resilient service with stricter environmental regulations. The traditional electric system has been facing challenges due to the growing integration ...

• Modelando y resolviendo el problema de programación de cursos universitarios en la UPRM 

  Morales Fajardo, Bayron (2019-12-10)

  This thesis studies the course timetabling problem at the University of Puerto Rico, Mayagüez Campus. Sets of courses, professors, classrooms and a projected class-demand for students are considered. The objective is to ...

• Sulfmyoglobin formation pathway upon reaction of oxy-myoglobin and hydrogen sulfide 

  Rodríguez Mackenzie, Ángel David (2019-12-03)

  Myoglobin (Mb) binds oxygen with high affinity as a low spin singlet complex and thus functions as an oxygen storage protein. Quantum chemical calculations of oxy-Mb models with hydrogen sulfide (H2S) in the active site ...

• A content analysis of undergraduate engineering programs: Financial literacy, creativity and innovation 

  Ruiz González, Marcus C. (2019-12-10)

  There is a need for change in engineering programs to better prepare its students for today’s workforce. These changes suggest and recommend the inclusion of certain abilities, competencies, and qualities identified in ...

• Photovoltaic inverter voltage regulation performance evaluation using a power hardware-in-the-loop setup on distribution system feeders 

  Darbali-Zamora, Rachid (2019-12-10)

  Real-Time (RT) simulation introduces fast computational capabilities with high-fidelity mathematical models to study large or complex operational systems in the aerospace, automotive, energy, or other domains. The advantage ...

• Characterization of an automated, portable, and reusable enterococcus faecalis biosensor for beach water quality. 

  Rodriguez Padilla, Katerin (2019-12-10)

  Recreational water-quality monitoring requires measurements of enterococcus bacteria concentrations in 100-milliliter water samples. Lab-on-a-chip biosensors are an alternative tool to accomplish effective sensing, with ...

• Temporal outlier detection using dynamic Bayesian networks and probabilistic association rules 

  Quispe Vargas, Walter (2019-12-10)

  Temporal datasets provide records of the evolution and dependencies of random variables over time. Recently, there has been an increase in the application of temporal datasets in areas such as intrusion detection, fraud ...

• Parámetros sísmicos de registros de temblores medidos en Puerto Rico y su distribución geográfica 

  Miranda Acuña, Victor (2016)

  In the present study the geographical distribution of several seismic parameters calculated for three earthquakes recorded by the Puerto Rico Strong Motion Program (PRSMP) were analyzed. These seismic parameters have ...

• Effect of non-thermal treatments on the survival of S. enterica Typhimurium, E. coli O157:H7 and L. monocytogenes on produce surfaces at post-harvest 

  Berríos Rodriguez, Armarynette (2019-12-10)

  Foodborne pathogens have cause numerous outbreaks worldwide which affected humans with hospitalizations, diseases/illnesses, and in some cases death. New methods for pathogen control have been proposed against pathogens ...

• Modelo para el análisis de los factores asociados con el tipo de parto aplicando bosques aleatorios y regresión logística 

  López Limas, Lesbia O. (2019-12-11)

  Actualmente existe una variedad de algoritmos que tratan de optimizar el proceso de clasificación, entre ellos el algoritmo de Bosques Aleatorios. Uno de los objetivos de esta investigación es desarrollar un modelo de ...

• Recovery of compressively-sampled reflectance confocal microscopy images of human skin using advanced machine learning techniques 

  Arias-Vargas, Fernando X. (2019-12-10)

  Compressive Sensing (CS) has demonstrated a great potential for the improvement of acquisition, manipulation, and storage operations on a variety of different applications with little to no discernible loss in terms of ...

• Exploración de un marco normativo efectivo y aplicable de alianzas público-privadas para los municipios de Puerto Rico 

  Miranda-Poggys, Alex G. (2019-12-06)

  El marco regulatorio puertorriqueño en materia de Alianzas Público-Privadas (APP) está recogido en la Ley 29 de 2009, según enmendada, titulada «Ley de Alianzas Público-Privadas». Esta ley a su vez creó el marco institucional ...

View more