Browsing Theses & Dissertations by Title
Now showing items 3961-3980 of 4057
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Validación del algoritmo hidroestimador en la región de Puerto Rico
(2006)A heavy convective storm that occurred over the eastern part of Puerto Rico was selected to conduct a validation of the Hydro Estimator (HE). HE is a rainfall estimation algorithm which utilizes data from the GOES ... -
Validación del índice de fósforo del Caribe y evaluación de prácticas de manejo de desechos orgánicos en fincas de producción animal de Puerto Rico
(2005)Nutrient losses from agricultural soils are one of the principal causes of surface water quality impairment. A study was conducted in animal operations (dairy cattle and poultry) of Puerto Rico, to quantify nitrogen (TKN), ... -
Validación del modelo de simulación índice de nitrógeno (N-index) del caribe en sistemas de producción de hortalizas en el Valle de Lajas
(2014)Nutrient losses from agricultural fields are one of the principal causes of environmental degradation. Typical nitrogen (N) fertilizer consumption rates in vegetable production systems and horticultural crops, typically ... -
Validación del modelo de simulación para el rastreo de nutrientes (ntt) a nivel de finca en una siembra de plátano en Salinas Puerto Rico
(2021-07-02)A field study was conducted to assess the ability of the Nutrient Tracking Tool (NTT) model to estimate N losses in a plantain (Musa spp. v. "maricongo") farm in the southern semi-arid coast of Puerto Rico. I evaluated ... -
Validación y aceptación de la variedad de habichuela (Phaseolus vulgaris L.) 'Morales' y la variedad de maíz (Sea mays L.) 'Mayorbela"
(2006)A data base with the daily registries of the sale of bean (Phaseolus vulgaris L.) and corn (Zea mays L.) seed was made for the years 2003 and 2004, at the Isabela Substation of the Agricultural Experimental Station of the ... -
El valor que los egresados perciben haber adquirido en programas doctorales de escuelas de negocios acreditadas por la agencia AACSB respecto a sus competencias genéricas y profesionales
(2020-05-06)Los procesos de acreditación se dirigen a examinar y validar de manera profunda cómo las prácticas institucionales y de carácter programático apoyan la formación de los estudiantes. Esta consiste en el desarrollo de ... -
Valoracion contingente de un bosque urbano en un segmento de la carretera PR-3108 en Mayagüez Puerto Rico
(2009)This article attempts to calculate the economic value for an urban forest in a segment of a location on a main road in PR-3108 in the municipality of Mayagüez, Puerto Rico. To achieve this objective, a double bound contingent ... -
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
(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 ... -
Value engineering integrated budget change request process
(2014)Project management is an emerging discipline for planning, organizing, managing, and controlling projects. A project is a temporary initiative with unique objectives subject to risks and constraints. Many organizations ... -
The vampire-friend in the house : Le Fanu's Carmilla, her secret, and the incitement to discourse
(2022-05-20)This project questions assumptions among scholarship regarding the theme of homosexuality and the reactions it might have provoked to Victorian readers in Le Fanu’s vampire story Carmilla. Specifically considering Victorian ... -
Vapor phase transport of explosive related compounds through unsaturated sandy soils
(2008-08)Chemical detection of buried explosives devices through chemical sensing is influenced by factors affecting the transport of chemical components associated with the devices. Explosive-related chemicals (ERCs), such as ... -
A variable damping semiactive device for control of the seismic response of buildings
(2005)This dissertation proposes a new semiactive device, composed of two fixedorifice viscous fluid dampers installed in the form of V whose top ends are attached to the upper floor and their lower ends to a point that can move ... -
A variable dimension gauss-newton method for ill- conditioned parameter estimation with application to a synchronous generator
(2005)This thesis presents a variable dimension Gauss-Newton (VDGN) parameter estimation algorithm that can be used for fault detection, and diagnosis of a synchronous generator. The algorithm is derived as an extension of the ... -
Variación en la dieta del sapo de la caña (Chaunus [Bufo] marinus) en la reserva natural privada el tallonal en Arecibo, Puerto Rico
(2008)The cane toad, Chaunus [Bufo] marinus, introduced in Puerto Rico, is known for having a varied diet and for being an opportunist species, thus its diet reflects regional and seasonal abundance of prey. In order to know ... -
Variación espacial y temporal del fitoplancton en la bahía de Mayagüez, Puerto Rico
(2007)Mayagüez Bay is an area off western Puerto Rico affected by effluents of domestic waste treatment plants and the three major rivers flowing into the region. In either case, anthropogenic factors are seen as contributing ... -
Variación estacional en la disponibilidad de presas de la viuda, Himantopus mexicanus, en las Salinas de Cabo Rojo, Puerto Rico
(2008)The purpose of this study was to determinate the availability of potential preys for the Black‐necked Stilt, Himantopus mexicanus (Aves, Charadriformes, Recurvirostridae), and to document details of its foraging ecology ... -
Variación pragmática en las formas pronominales de tratamiento en encuentros de servicios del área metropolitana de San Juan, Puerto Rico.
(2020-05-15)En el español puertorriqueño, existen únicamente dos formas pronominales de tratamiento: tú (T) y usted (U). Estudios sobre los usos de estas formas en Puerto Rico (Hummel, 2010; Solé, 1970; Uber, 2000) indican que T tiene ... -
Variación sintáctica y lenguas en contacto : un estudio sincrónico del morfema -NDO español y sus rasgos semánticos y subcategóricos
(2005-06)La situación de contacto que manifiesta el español respecto al inglés en algunas zonas, por ejemplo, de Estados Unidos y Puerto Rico ha llevado a plantear que algunos usos del morfema -ndo español son el resultado de la ... -
Variation for Anthracnose (Colletotrichum sublineolum) resistance within the Sorghum [Sorghum bicolor (L.) Moench] germ plasm collection from the Kayes region of Mali, West Africa
(2007)Anthracnose, caused by Colletotrichum sublineolum, is considered one of the most important diseases of sorghum. The pathogen is highly variable; therefore, additional sources of host plant resistance are needed for the ...