Browsing Theses & Dissertations by Title
Now showing items 46-65 of 4082
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Adaptive leadership and its impact on change management
(2023-05-11)Change is always impacting organizations whether it is due to internal or external forces. Hence, managing change is a crucial task for organizational leaders. Guided by the adaptive leadership framework, this study aimed ... -
Adaptive orchestration of resources in distributed wide area large scale infrastructures
(2009)The goal of this thesis is to take a step to understanding the resource management of massively and scattered distributed systems. A framework to predict grid resources behavior and leverage the execution of long running ... -
An adaptive spectrally weighted structure tensor applied to tensor anisotropic nonlinear diffusion for hyperspectral images
(2012)The structure tensor for vector valued images is most often defined as the average of the scalar structure tensors in each band. The problem with this definition is the assumption that all bands provide the same amount ... -
An adaptive user interface for satellite imagery and data classification
(2008)This work presents the development of a new web application called Terrexplorer. Terrexplorer is a web application that handles different types of information as satellite images, boundaries, metadata and related data, and ... -
Administración de recursos humanos en las pequeñas y medianas empresas de la región oeste de Puerto Rico
(2010)The main objective of this research was to determine the influence of human resources administration in the performance of the organizations. The methodology used as part of this investigation was interviews and surveys. ... -
Adsorción y degradación de Metolachlor y Chlorpyrifos en suelos carbonatados y no carbonatado Puerto Rico.
(2011)Sorption and degradation are major processes that influence the fate of pesticides in the environment. Both processes affect the persistence and impact that these compounds may have on the environment. Leaching and runoff ... -
Adsorption coefficients of 2,4-DNT in soils and clay minerals
(2009)Contamination of soil and water by explosives is widespread and often caused by various military activities. 2,4-DNT is commonly used as a military explosive. This explosive may enter to the environment from the processes ... -
Adsorption of Hexahydro-1,3,5-Trinitro-1,3,5-Triazina (RDX) on soil and clay mineral surfaces
(2008)Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) is an energetic compound that is commonly used as a military explosive. Studies indicate that nitroamines compounds, particularly those exhibiting several NO2 groups or other ... -
Adsorption of pollutants by spent-coffee-grounds composite beads
(2020-05-19)The use of heavy metals in technological applications has led to detrimental effects on the environment. Activated carbon is commonly used to remove pollutants but it is expensive. Therefore, the research of low-cost ... -
Advanced process control of a fluid bed dryer granulator using near infrared sensing technology: An educational tool
(2020-12-11)In this work, the design of an advanced process control strategy for a batch fluid bed dryer was achieved. This accomplishment will become an educational tool for the Center for Pharmaceutical Development and Learning ... -
Advanced wireless mesh networks: design and implementation
(2010)Wireless Mesh Networks (WMNs) have emerged as a fundamental technology for the next generation of Wireless Networking. They are formed by mesh routers and mesh clients. Mesh routers have minimal mobility and usually do not ... -
Advances in embryogenesis and organogenesis in common bean (Phaseolus vulgaris L.)
(2006)Common bean (Phaseolus vulgaris L.), an important legume in the human diet, is recalcitrant to in vitro culture, so the establishment of alternative propagation protocols, including somatic embryogenesis and organogenesis, ... -
Affecting intracellular iron and copper via transmetalation and study of drug delivery systems to improve the specificity of Ti(IV)-based anticancer compounds
(2022-04-27)Cancer is the principal cause of death globally, and research and how it works have become crucial. Iron (Fe) and Copper (Cu) are essential metals present in many critical biological processes in the human body. These ... -
AFM studies on fractured surfaces of AF1410 steel and A7075-T6 aluminum alloy
(2006)In the present research, atomic force microscopy (AFM) was used to characterize fracture surfaces of the AF1410, ultra-high strength steel, and a high strength AA7075-T6 aluminum alloy. Both materials are used by the U.S. ... -
African dust days across the northeast Caribbean
(2020-06-24)Although field campaigns have been conducted to improve the understanding of African dust across the Caribbean, there are still fundamental unanswered questions regarding frequency and magnitude over the Puerto Rico area, ... -
African dust incursions in the Caribbean Region: dust concentrations, chemical composition, and fungal spore concentrations
(2021-05-18)African dust can be transported over thousands of kilometers through the Atlantic Ocean reaching the Caribbean region, Central América, and parts of the southern USA mostly in the summer months. Dust emissions from ... -
Against the "Loi" : counterpolitics of the graphic novel.
(2013-12-13) -
Agri-tectura : agricultura urbana y arquitectura como estrategia de sustentabilidad alimentaria para las comunidades de Río Piedras y Hato Rey
(2022-05-17)Puerto Rico, hoy en día, depende de una gran cantidad de alimentos importados. Esta dependencia presenta vulnerabilidad ante eventos climáticos y fomenta, a diario, el desarrollo de la crisis alimentaria en la Isla. Los ... -
Agriculture students’ language needs in general education courses: A case study
(2012)This study was designed to explore the language needs of Spanish speaking Agriculture Students in general education courses at the University of Puerto Rico Mayaguez (UPRM). The participants were 17 students who were chosen ...