Browsing Theses & Dissertations by Title
Now showing items 2579-2598 of 3350
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Process oriented basis estimation in presence of non-orthogonal basis elements
(2005)Process Oriented Basis Representations (POBREP) is a multivariate Statistical Process Control (SPC) procedure with diagnosis capabilities developed by Barton and Gonzalez-Barreto (1996). Although this methodology is ... -
Process windows considering two conflicting criteria: the injection molding case
(2012)In this work, multiple criteria in conflict are considered simultaneously to determine a process window for injection molding (IM). The best compromises between criteria are identified through the direct application of ... -
Processing and characterization of nematic co-polymer Phba/Pet nanocomposite films via hot-melt extrusion
(2011)In this research work, the effect of particle shape (i.e. rod-like, spherical and platellet) and concentration on the liquid crystalline structure of poly (4-benzoic acidco-ethylene terephthalate) (PHBA/PET) was evaluated ... -
Producción de maíz dulce con leguminosas de cobertura y efectos alelopáticos en cultivos agrónomicos
(2014)Sustainable agriculture requires the integration of organic matter, crop rotation and association with legumes to reduce the use of inorganic fertilizer. Therefore, three studies were conducted to compare the effects of ... -
La producción textual a partir de la tradición oral en Nimayá
(2020-05-14)El propósito de la investigación responde al interés de documentar los saberes e historias de la tradición oral de la comunidad del Caserío Nimayá en Guatemala, con la finalidad de utilizar tales conocimientos para crear ... -
Productivity analysis of foreign direct investment and capital formation on developed and developing countries
(2012)Este estudio examina el efecto de la inversión extranjera directa y la formación de capital en la productividad total de los factores del país utilizando el modelo de regresión de mínimos cuadrados ordinarios y análisis ... -
Progesterone, insulin, and non-esterified fatty acids concentration in the blood of slick hair and wild type heifers
(2021-05-13)The objective of this investigation was to study the effect of the slick hair genotype (SH) on the concentration of progesterone, insulin and non-esterified fatty acids (NEFA) in dairy heifers. The estrus of Holstein heifers ... -
Program evaluation of a suicide prevention training for primary care
(2020-12)Background: More than a third of people who die by suicide visited their primary care provider in the month before their death. Primary care staff thus have a valuable opportunity to treat this preventable public health ... -
Program vectorization for reducing energy consumption in embedded systems
(2014)When it comes to software optimization, speedup is the rst goal that comes to mind. However, as the integration level of electronic circuits continues its exponential growth, power reduction has also become an important ... -
Project evaluation using fuzzy logic and risk analysis techniques
(2006)The purpose of this thesis work is to develop a new methodology to solve risk analysis problems with the purpose of determining the project’s attractiveness. The algorithm created in this thesis was developed using fuzzy ... -
Project portfolio management as a tool for value creation and risk management in the IT outsourcing vendor
(2010)Taking the vendor perspective of IT outsourcing, Project Portfolio Management is described as a tool for value creation and risk management. Superior processes and project management are at the core of the IT outsourcing ... -
Promoting the use of tropical legumes as cover crops in Puerto Rico
(2009)Degradation and misuse of agricultural land has made it necessary to identify solutions to address this serious problem. Cover crops have long been used in the tropics to increase soil and water conservation, especially ... -
Pronóstico Bayesiano para el modelo logístico
(2017)El 28 de enero de 1986, la NASA lanzó al transbordador Challenger a cumplir una misión en el espacio. A 73 segundos del despegue el Challenger explotó, dejando siete víctimas fatales. El accidente del Challenger se catalogó ... -
Propiedades antimicrobiales del aloe vera en cantalupo (Cucumis melo L.) listos para consumo
(2017)Promoting the intake of healthy and fresh products ready for consumption has caused a great interest in the food industry. Is for this reason the search of ways to maintain the microbiological, nutritional and sensorial ... -
Propiedades de algunos T-conjuntos
(2018-05)The theory of τ -factorizations on integral domains was developed in 2006, by Anderson and Frazier. This is a type of generalize factorization where τ is a symmetric relation on the nonzero nonunit elements and factors of ... -
Propiedades fisico-quimicas de un postre congelado elaborado con suero de leche
(2013)This project evaluated the physical and chemical properties during storage of a frozen dessert made from acid whey in order to provide an added value to the acid whey, as it is a waste and an environmental pollutant. Six ... -
Propiedades físico-químicas de un postre congelado elaborado con aislado de suero de leche
(2017)The physicochemical characteristics of a milk and whey protein isolate (WPI) frozen dessert were evaluated, with the purpose of obtaining a product with a higher protein content. Whey is considered a waste in the cheese ... -
Propiedades geométricas de marcos finitos y ajustados en espacios de Hilbert de dimensión finita
(2012-08)En el presente trabajo se estudian conceptos de la teoría de marcos en espacios de Hilbert de dimensión finita. Esta teoría tiene sus origen en el trabajo de Duffin y Schaeffer en la década de los años 50 [1]. Se presenta ... -
Propiedades mecánicas de materiales compuestos a nivel micro y macro considerando degradación higrotérmica
(2009-06)Glass fiber reinforced polymers (GFRP) are widely used in civil engineering applications, however they are still not considered a main stream material. This is believed to be related to its relatively high cost and ... -
A proposal for the creation of the Corpus of Puerto Rican English and Spanish written texts (CoPRES)
(2021-05-20)Este trabajo propone la creación del “Corpus of Puerto Rican English and Spanish” de textos escritos (CoPRES). Inicialmente, el propósito del CoPRES es recopilar muestras de textos escritos por estudiantes de nuevo ingreso ...