Browsing Theses & Dissertations by Title
Now showing items 940-959 of 3312
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Earthquake induced damage estimation for steel buildings in Puerto Rico
(2006)This work presents a method for estimating the expected damage caused by an earthquake on steel buildings in Puerto Rico. Since Puerto Rico is located between a series of tectonic faults, buildings could suffer the damages ... -
Earthquake loss estimation in Puerto Rico from historical and potential earthquake scenarios
(2016)Puerto Rico is located in the active seismic zone of the Eastern Caribbean where earthquakes are a potential threat for the island. In the past, several damaging earthquakes have affected Puerto Rico (1787, 1867, and 1918). ... -
Ecological aspects of sponges in mesophotic coral ecosystems
(2010)Mesophotic Coral Ecosystems (MCE) represent a new realm of unexplored habitats that range from 30-100m deep. Given the worldwide coral reef decline, MCE research has created great expectations because of their potential ... -
Ecological education: Pedagogy of awareness, transformation and action through children’s literature in an ESL classroom
(2015-05)This research investigation explores possible ways of formally introducing ecological education to sixth grade Puerto Rican learners through children and young adult literature. The purpose of this project is to explore ... -
Ecological studies of the tree fern Alsophila amintae D.S.Conant (CYATHEACEAE) in the cloud forest of Puerto Rico
(2017)Alsophila amintae D.S.Conant (Cyatheaceae) is an endangered tree fern endemic to the central mountains of Puerto Rico. It was previously known from three populations in Monte Guilarte, Monte Jayuya and Cerro Rosa. The ... -
Ecología del Todus mexicanus (Coraciiformes-Todidae) en el Bosque de Susúa, Sabana Grande, Puerto Rico
(2006)The objetive of this investigation was to increase the knowledge of one of the endemic birds of Puerto Rico: the Puerto Rican Tody (Todus mexicanus). I studied the abundance and the foraging behavior of this bird and the ... -
Ecología poblacional y reproductiva de Cordia bellonis Urb. (Boraginaceae), una especie en peligro
(2006)Cordia bellonis Urb. is a rare and endemic shrub located in the Maricao and Río Abajo Commonwealth Forests. No individuals were registered in the Susúa forest. The species grows on serpentine and limestone soils, at edges ... -
Ecology of the Asian clam, Corbicula fluminea (Müller), and its impact on the benthic invertebrates in Guajataca and La Plata Reservoirs, Puerto Rico.
(2012)Corbicula fluminea (Müller, 1774) is one of the most invasive freshwater bivalves. It is nonnative to America, where it has impacted the benthic macroinvertebrates and phytoplankton communities of many lakes. The first ... -
Ecology of the encrusting sponge Desmapsamma anchorata
(2006-09)Sponges are a prominent component of the invertebrate fauna of Caribbean reefs. This study describes various aspects of the ecology of the demosponge Desmapsamma anchorata, Carter 1882, off southwest Puerto Rico. The ... -
Economic costs of compliance with Basel III: the case of Puerto Rico
(2015)Financial Regulations arising from the Basel III Regulatory Framework, in response to the Global Financial Crisis, will impose important transition costs upon the economies of the countries who implement them. In this ... -
Economic evaluation of feeder automation in a distribution system
(2011)The absence of economic justification is one of the leading barriers for the integration of feeder automation systems into distribution networks. These systems may require substantial capital investments from utilities, ... -
Economic feasibility and public perception of using recycled glass as beach nourishment material to mitigate Puerto Rico erosion problems
(2018)A portion of the Rincón coastline in Northwestern Puerto Rico has experienced an erosion rate of approximately 1 meter per year; the problem was significantly aggravated with the strong hit of hurricane María in September ... -
Economic impact of adopting an rsp in puerto rico: case studies and policy recommendations
(2011)This Project determines the economic impact related to the adoption of a Renewable Portfolio Standard in Puerto Rico. RPS policies have become key drivers to increase the use of renewable energy sources. However, its ... -
Economía de carrera y su relación con medidas antropométricas en corredores de larga distancia
(2021-05-06)En este estudio se investigó si existe relación entre economía de carrera (EC) y las siguientes medidas antropométricas: largo de extremidad inferior del cuerpo (LEIC), largo del muslo (L.muslo), largo de pierna (L.pierna) ... -
Económico y perfil de los productores orgánicos en Puerto Rico, 2007.
(2010)The purpose of this study was to examine organic farming in Puerto Rico, describe the producers profile, business characteristics, production practices, and problems and needs they encounter. A questionnaire was developed ... -
Ecuación de Schrӧdinger en espacios con curvatura constante, separación de variables, oscilador armónico cuántico y potenciales admisibles
(2013-08)Se discuten condiciones para la integrabilidad al cuadrado de las funciones de estado, al utilizar el potencial estándar en espacios de curvatura constante dos dimensionales. Además, se construye una familia de potenciales ... -
Educación en servicio para docentes universitarios: estudio de caso instrumental
(2020-05-05)En esta investigación se estudió la perspectiva de administradores y docentes en torno al proceso de educación en servicio de docentes universitarios. Por medio del método cualitativo y mediante el estudio de caso instrumental, ... -
An educational journey: The Puerto Rican experience from student to teacher in U.S. schools
(2018-01-29)This thesis presents the life stories of six Puerto Rican teachers, focusing on their educational experiences as they grew from students to teachers in U.S. schools. Using the Funds of Knowledge theoretical framework, this ... -
Efectividad de diferentes tratamientos desinfectantes sobre Salmonella Typhimurium y la probabilidad de infiltración en tomates hidropónicos durante operaciones de lavado
(2009)The consumption of fruits and vegetables has increased over the past decades due to several reasons including: change in consumption patterns, healthy lifestyles and increased availability through the year. Today we ... -
Efectividad de fungicidas sistémicos y de contacto para el control de Sigatoka negra (Mycosphaerella fijiensis Morelet) en guineo en Isabela, Puerto Rico
(2010)Sigatoka negra Mycosphaerella fijiensis (anamorfo Pseudocercospora fijiensis) es la enfermedad más limitante para la producción de guineos en Puerto Rico. Un experimento de campo se estableció en la estación Isabela para ...