Browsing Theses & Dissertations by Title
Now showing items 2901-2920 of 3517
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Risk assessment of an electric power system using intelligent power routers
(2005)We seek to determine the reliability of Intelligent Power Routers (IPR) and the reliability change of an electric power system (PS) operated with and without IPR. The IPR is our module to provide scalable coordination in ... -
Risk of death of colon cancer according to the time elapsed between the diagnose and the first surgery in Puerto Rico
(2020-05-13)Background/Objectives: According to the Puerto Rico Central Cancer Registry (PRCCR), during the period 2010-2014, colorectal cancer was the second leading cancer with the highest incidence in both sexes. Previous studies ... -
Rito y otros cuerpos (in)disciplinados en tres textos de Mayra Montero
(2007)En La trenza de la hermosa luna (1987), Del rojo de su sombra (1992) y Tú la oscuridad (1995), Mayra Montero construye tres relatos que trazan una línea intermitente y evolutiva a través de la cartografía histórica ... -
Robust bird-strike modeling using LS-DYNA
(2006)Throughout this work, bird-strike events are studied using three approaches in LSDYNA: Lagrangian, Arbitrary Lagrange Eulerian (ALE), and Smooth Particle Hydrodynamics (SPH). A simple one-dimensional beam centered impact ... -
Robustness studies of the cms tracker for the lhc upgrade phase i
(2013)Currently, several changes are being implemented in the tracker geometry of the Compact Muon Solenoid (CMS). These should improve the performance of both strip and pixel detectors. The new pixel detector will have four ... -
Rocking and reading exploring multimodal media literacy in an ESL college classroom
(2010)In spite of the multimodality of texts with which students interact nowadays, reliance on print-based literary textbooks in English classrooms prevails. This qualitative action research adopted a poststructuralist framework ... -
Rol del profesional de trabajo social en la implementación de la política pública de los programas establecidos para lograr la retención del estudiante en el Departamento de Educación de Puerto Rico
(2019-05-01)The purpose of this research was to identify the role of the social worker in the implementation of the public policy of the established programs to achieve student retention, especially in their work with the indicators ... -
The role of Ca+2 doping on the structural, magnetic and electrical properties of bismuth ferrite powders and films
(2018-07)The search for alternative ways of collecting, storing and reusing energy has motivated our research to investigate multifunctional materials based on the perovskite structure, such as Bismuth ferrite (BFO). Our scope was ... -
The role of Emersonian transcendentalism in Alan Ball’s American Beauty and Six Feet Under
(2011)This thesis explores the manner in which Ralph Waldo Emerson‘s nineteenth century transcendentalist thought as described in his essays, Nature, The American Scholar, and Self Reliance, is present and appropriated in Alan ... -
The role of position E11 in the stabilization of the HbI-SH2 complex from L. pectinata
(2007)The bivalve mollusk, Lucina pectinata, contains three hemoglobins: hemoglobin I (HbI) which is a H2S reactive protein, hemoglobin II (HbII) and hemoglobin III (HbIII) which deliver O2 to the organism. HbI is a monomeric ... -
Role of stress in expression of eicosanoids in the red alga Murrayella periclados (C. Agardh) Schmitz (Rhodophyta, Rhodomelaceae)
(2008)Analyses of the concentration of the eicosanoid 12-hydroxyeicosatrienoic acid (12- HETE) and heat shock proteins in response to stress conditions were studied in the common Caribbean benthic marine alga Murrayella ... -
Rompiendo barreras: taller psicoeducativo para el uso de aplicaciones tecnológicas como apoyo en la práctica de la consejería profesional
(2020-05-19)Este es un proyecto creativo va dirigido a consejeros(a) profesionales, interesados en adquirir conocimientos básicos sobre el uso de aplicaciones tecnológicas. Por otro lado, este taller tiene como referente el marco ... -
Room-temperature synthesis and characterization of highly monodisperse transition metal-doped ZnO nanocrystals
(2006)Recent experimental verifications of predicted intrinsic room-temperature ferromagnetism in transition metal doped-ZnO nanostructures have increased their attractiveness as promising candidates for optoelectronic and ... -
Rulebased expert system to infer biological pathways in rhodobacter sphaeroides
(2005)A better method for functional analysis of the genes is the identification of biological pathways, since these provide information about the expression and regulation of genes. The search of these pathways is a complex ... -
Rumpelstiltskin: Superimposing current societal/cultural needs onto the fairy tale genre
(2015)Since their introduction in 1815, Grimm’s Children’s Stories and Household Tales have been retold and refashioned many times in American popular culture. Closely studying these retellings helps readers understand the ... -
Rumshake: Amplification of earthquake ground motion in Mayagüez, Puerto Rico
(2020-05-29)Puerto Rico is a seismically active region with a history of destructive earthquakes such as the 1918 M7.3 Mona Passage event, and more recently, the 2020 Southwest Puerto Rico Earthquake sequence. In the years 2018 and ... -
Ruptura con el mito filosófico de la figura femenina en la cuentística de Olga Nolla y Miriam González-Hernández
(2006)This thesis examines divergences, motives and issues incorporated in current narrative styles that break away from the older femenine–figure–oriented work. This investigation was done with Gabriela Mora’s theory of literary ... -
Rutéate: Un app basada en la metodología “user experience” para promover la socio-economía puertorriqueña
(2021-10-20)La metodología basada en la experiencia del usuario (UX, por sus siglas en inglés) está centrada en el usuario tomando en cuenta las acciones que ejecuta, sus sensaciones y sus pensamientos a medida que usa un producto o ...