• Simulation model risk-based scheduling tool for high-mix and low-volume manufacturing facility with sequence-dependent setup times 

  Linares-Blasini, José E. (2019-07-11)

  Production scheduling in most real-world scenarios is very complex. Many of the methodologies used for creating production schedules are often deterministic which means that variation is not considered. The use of deterministic ...

• Analysis of driver’s performance on a school zone using a driving simulator and an eye tracker 

  Colón-Torres, Enid (2019-07-03)

  Road safety and speed limit compliance in school zones are critical problems in the United States (US), Puerto Rico, and other places around the world. Research has shown that drivers do not comply with speed limits around ...

• Shamanism in "Manfred" and "The Rime of the Ancient Mariner" 

  Valle, Alan (2019-07-11)

  The American and French Revolutions spurred class-consciousness across Britain, which caused a political division that resulted in the persecution and condemnation of radicals. Under these dangerous circumstances, Byron ...

• A procedure to study the resiliency of the power system during extreme events 

  Maldonado-Segarra, Nelson N. (2019-08-08)

  In this thesis, a procedure for the study of resiliency of the power system during an extreme event or natural phenomenon (i.e. a hurricane) was designed. The main goal was to include a quantitative form/way from which the ...

• Formation of aggregates and storage of carbon mediated by earthworms in two soil series of Puerto Rico 

  Morejón, Mauricio (2019-06-03)

  Earthworms play an important role in soil aggregate formation and carbon incorporation. However, there are no currently published reports of soil aggregate formation mediated by earthworms in the soils of Puerto Rico. This ...

• Valoración de prácticas culturales para el control de la pudrición del cormo, producción a escala de material de propagación libre de enfermedades y estimación de la diversidad genética de apio (arracacia xanthorrhiza bancroft) en Puerto Rico 

  Cevallos-Hidalgo, Paulina A. (2019-07-11)

  Apio (Arracacia xanthorrhiza Bancroft) is an important crop at the high land region of Puerto Rico, with a unique potential for commercialization and food processing. However, research about integrated plant management of ...

• Deposition and characterization of thin films of vanadium dioxide 

  Verbel, Camilo (2019-07-09)

  In this work, thin films of VO2 and V2O3, were deposited on glass (SiO2) and TiO2 (001) substrates, by D.C. magnetron sputtering, in order to study their structural, electrical, optical and morphological properties. In ...

• Evaluación de características fisicoquímicas y agronómicas de variedades de arroz (Oryza sativa L.) en el valle de Lajas, Puerto Rico 

  Velazquez-Gotay, Nelson A. (2019-07-01)

  El arroz es una fuente de energía de importancia por su alto consumo en Puerto Rico. Entre los años 2015 al 2018 se estudió el potencial agronómico y culinario de variedades e híbridos con potencial comercial en el Valle ...

• Evaluación de las propiedades funcionales del almidón modificado del cormo de la yautía (Xanthosoma Spp.) del cultivar nazareno mediante métodos físicos, químicos y enzimáticos 

  Agredo, Diana M. (2019-07-10)

  Actualmente el cormo de la yautía (Xanthosoma spp.) es descartado a pesar de que tiene un alto contenido de almidón. Sin embargo, los almidones nativos no poseen las propiedades funcionales ideales para la formulación de ...

• Elaboración de productos de valor añadido utilizando la harina del cormo de la yautía (Xanthosoma spp.) del cultivar Nazareno 

  Rosero-López, Brandon (2019-07-10)

  Cocoyam corm flour from the Nazareno cultivar has a great potential in the food industry for the elaboration of different products. The objective of this study was to make extrudates products based on corm flour and flour ...

• Development of angle-resolved light scattering system and computation techniques for ultrafast surface spectroscopy 

  Theran, Larry (2019-07-09)

  This work focused on the development of a time- and angle-resolved hemispherical elastic light scattering (tr-ARHELS) optical apparatus, which was applied to monitor the phase transition and complex pathways of photoinduced ...

• Análisis económico de sistemas de producción ovina para Puerto Rico 

  Zapater-Ramos, Ricardo A. (2019-08-11)

  The purpose of this investigation was to conduct an exploratory study about the sheep industry (Ovis aries) in Puerto Rico. The study was divided in two parts, first a questionnaire was done to 16 sheep producers, and a ...

• Evaluation of the National Water Model for Puerto Rico 

  Valle, Jean P. (2019-07-11)

  In Puerto Rico, a territory of the United States in the Caribbean, the past decades have been plagued with frequent floods, some of which (e.g. Hurricanes Irma and Maria in 2017) have been catastrophic. Puerto Rico’s ...

• Modeling load effects of water on coastal structures using STAR CCM+ software 

  Cueto-Alvarado, Kevin (2019-07-11)

  Global warming brings as consequence an alteration in precipitation and increase in the sea water level. These consequences generate flood loads in structures near to the coast. The forces generated by these floods are: ...

• Análisis y cuantificación de los indicadores de incivilidad percibidos por los estudiantes del RUM en sus áreas de vivienda 

  Vargas-Mejia, Diana C. (2019-05-13)

  The insecurity perception affects people’s quality of life. That is why, the aim of the thesis is to analyze and quantify the indicators of incivility perception, which is one of the factors that affect this problem. The ...

• Preparation and characterization of Chitosan/talc nanocomposite films for food packaging applications 

  Cabán-Nevárez, Rebeca B. (2019-07-08)

  In the present study, the effect of ultrasonication treatment time on talc particles’ morphology, crystallite size, dimensions, structure and specific surface area was investigated. Additionally, the effect of talc as a ...

• Stochastic simulation of tropical cyclones for quantification of uncertainty associated with storm recurrence and intensity 

  Ramos-Santiago, Efrain (2019-07-10)

  Current practice for the design and assessment of coastal infrastructure requires the use of stochastic methods for the evaluation of the risk associated with coastal hazards such as storm surge and flooding induced by ...

• Synthesis, characterization and antibacterial properties of pure and Li doped ZnO nanoparticles for alternative water disinfection methods 

  Oquendo, Abdiel (2019-07-11)

  As a consequence of growing water demand and pollution, water borne disease outbreaks are on the rise and current disinfection methods have shown to be ineffective in inactivating all pathogens during water treatment. Zinc ...

• Phytoremediation of leachate, erosion control, and slope stabilization with [Vetiveria zizanioides (L). NASH] in Fajardo, Puerto Rico. 

  Rivera-Santiago, Eric (2019-07-11)

  This study assessed the use of Vetiveria Zizanioides (L.) Nash as a viable alternative to reduce excess of final disposal volume of leachate and soil erosion from a landfill sideslope. A total area of 4-acres was planted ...

• Binning in the chi-square goodness-of-fit test 

  Gutierrez, Cristian (2019-07-10)

  One of the most commonly used goodness-of-fit tests is based on Pearson's chi-square statistic. Since this requires class intervals for the data, questions arise with respect to the method of estimation, types, and the ...

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