Browsing Theses & Dissertations by Title
Now showing items 900-919 of 4027
-
Determinación rápida y efectiva de la curva de capacidad última de una estructura -“Push-Over-Curve”- mediante el uso de EXCEL
(2013)At present, most seismic structural designs are based on the elastic behavior of the structure. However, over the years studies have shown that the inelastic behavior of structures plays an important role in the design. ... -
Determinación social de la salud: El caso del VIH en Puerto Rico
(2022-08-04)Esta investigación tuvo como objetivo entender la determinación social del Virus de Inmunodeficiencia Humana y sus implicaciones para las políticas sociales que atienden la enfermedad. Se describen las tres dimensiones de ... -
Determinación y cuantificación de metales en agua potable y agua embotellada disponibles en Puerto Rico
(2009)Mediante el uso de la técnica de Inductively Coupled Plasma – Mass Spectrometry (ICPMS) y siguiendo el Método 200.8. de la Environmental Protection Agency (EPA) se determinó y cuantificó la presencia de aluminio, cobre, ... -
Determinar el papel de la educación vocacional en la rehabilitación de menores y la influencia sobre los índices de reincidencia en el centro de detención y tratamiento social de niñas en Ponce Puerto Rico
(2009)This descriptive type of study determines the role of vocational education to rehabilitate minors at the “Centro de Detención y Tratamiento Social de Niñas” in Ponce, Puerto Rico. There were 45 female minors at the moment ... -
Determination of an empirical correlation for the mass transfer coefficients of pharmaceutical powders in a fluid bed layer
(2004)The pharmaceutical industry has four basic operations to produce tablets: mixing, drying, milling, and tablet pressing. Fluidized bed drying of the pharmaceutical powders is one of the most efficient methods, which is ... -
Determination of favorable conditions for the development of a wind power farm in puerto rico
(2005)Development of a wind farm in the east coast of Puerto Rico has the potential of being an attractive economic proposal. This is so because the best wind resource of Puerto Rico is located on its east shore. Reliable wind ... -
Determination of invasion stage of the tokay gecko (Gekko gecko) in Puerto Rico: A comparison between two invasion sites
(2021-05-10)Invasive species have brought ecological and economical losses worldwide and are expected to increase with continuing globalization. Ecologically, invasive species pose threats to local fauna through competition and/or ... -
Determination of Parvovirus B19 IgG in blood plasma of elementary school teachers of western Puerto Rico
(2013)Parvovirus B19 (B19) is a common human pathogen responsible for erythema infectiosum. Other disease manifestations include hydrops fetalis, transient aplastic crisis, arthropathy, and persistent infections in adults. B19 ... -
Determining noise in hyperspectral imagery for the application of oversampling to supervised classification
(2005)A hyperspectral sensor imager has many (~200) contiguous spectral bands. It is this number and bandwidth of spectral bands that defines the spectral resolution of a sensor. In general, having a greater number of spectral ... -
Detrital shocked zircons in the Orange River, South Africa
(2015)The study of detrital shocked minerals in fluvial systems has great potential for the identification of eroded impact structures, since the impact record on Earth is incomplete. This research describes searching for ... -
Deuda y manejo de tarjetas de crédito entre estudiantes universitarios
(2010)The main objective of this research was to evaluate debt management of university students at the University of Puerto Rico – Mayagüez through credit card usage. Also, to identify the behavior and socioeconomic characteristics ... -
Developing insurance solutions software for natural hazard loss estimation
(2007)The population explosion in the second half of the twentieth century has caused exponential growth in economic losses associated with the natural and man-made disasters. Efforts to better understand economic consequences ... -
Development and analysis of the low torque generator for high efficiency applications
(2016-07)This effort presents a novel design for a generator, named the low torque generator, as a device introduced for new applications. The main differences between the conventional generators and the low torque generator is the ... -
Development and application of analytical methods to identify and quantify components in tattoo pigments and inks
(2023-05-12)This work studied the presence of rosin components in pigments and inks used for tattooing. Rosin abietane diterpenoids, also known as resin acids, are known to oxidize in the presence of air, light, or heat to produce ... -
Development and characterization of a multi-cellular in vitro model for the study of nanoparticle-cell Interface
(2018-12-12)Triple Negative Breast Cancer (TNBC) is distinguished by various characteristics which are associated to its poor prognosis. This type of cancer is aggressive in nature and has no targeted therapies. The tumor microenvironment ... -
Development and characterization of oxide scaffolds on gamma-TiAI surfaces to enhance osseointegration
(2009)The wear properties of oxidized and non-oxidized gamma-TiAl (a potential biomaterial) as well as Ti-6Al-4V and CP-Ti disks were studied and characterized by means of standard wear tests using a Bone pin arrangement. The ... -
Development and implemetation of an attenuation correction algorithm for casa off the grid x-band radar network
(2012)Weather radars as, part of forecasting systems, are useful tools for meteorology and hydrology purposes. Meteorological trends and patterns can be analyzed with the highest precision possible provided by these types of ... -
Development and testing of a spatial tool for the assessment anthropogenic threats in coastal and marine habitats in Puerto Rico
(2013)Marine and coastal ecosystems are subject to a wide variety of stressors derived from anthropogenic activities. Because of the complexity of these threats and the difficulty in monitoring them in a synoptic manner, ... -
Development and usability evaluation of a cognitive prosthesis prototype for patients with alzheimer’s disease and their caregivers
(2013)This work presents the development and usability evaluation of the prototype for a software cognitive prosthesis aimed at lessening some of the negative effects that Alzheimer's Disease (AD) has on both patients and their ... -
Development and usability heuristic evaluation of an application in pda for supporting physicians tasks at the point of care
(2007)The main goal of this project was to develop a PDA based application to support physicians’ documentation tasks at the point of care in hospitals. Nowadays, software for portable devices, such as the PDA, is commonly used ...