Browsing Theses & Dissertations by Title
Now showing items 619-638 of 3517
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Crecimiento y caracterización de películas delgadas de vo, V6O13 y VO2 por sputtering magnetron dc
(2006)Thin films of several vanadium oxides in pure phases: VO, V6O13 and VO2, were grown on glass substrates. The deposition technique used was reactive dc magnetron sputtering. Fabrication of the films with different phases ... -
Crecimiento y medidas de las propiedades térmicas en cristales Cs2ZnI4, {N(CH3)4}2CoCl4, y Cs2CoCl4
(2005)In this thesis we studied the thermal properties, such as specific heat, thermal conductivity, and heat flow, as function of the temperature for crystals of the A2BX4 type, specifically: Cs2ZnI4, {N(CH3)4}2CoCl4 , and ... -
Critical success factors for bitcoin economics
(2015)Bitcoin is a relatively new topic with limited research into its economic and financial implications. While originally described as a peer-to-peer electronic cash system, Bitcoin has popularly come to be known as the ... -
Critical success factors for Puerto Rico’s biotechnology industry: The biopharmaceutical sector case
(2009)With dropping sales of pharmaceuticals due to patent expirations of pharma blockbusters and the development of knowledge based economies around the world, there has been a growing interest from Puerto Rico for biotechnology’s ... -
Cross-linked cytochrome c-based nanoparticles for targeted and controlled cancer therapy
(2022-05-06)Cancer is a major public health problem worldwide and is the second leading cause of death in the United States. The persistent need to develop cancer therapeutics with improved safety and efficacy provides constant fuel ... -
Crowd-curated geographical areas on a scale-capable cloud architecture
(2013)This project presents a new way of managing geographical areas through a web service called AREAS. Using the geohash technique, this platform allows the crowd to define what is the area of any place in a democratic way. ... -
Crystal structures of hemeproteins: Sulf and H2S myoglobin derivatives and Lucina pectinata Oxy (HbII-HbIII) and Oxy (HbIII-HbIII) systems
(2020-04-21)As a gasotransmitter, hydrogen sulfide (H2S) biochemistry in humans is of pivotal importance. One relevant reaction of H2S in our bodies is its interaction with hemeproteins. The threshold of its beneficial/harmful effects ... -
Crystallographic structures of hemoglobin II (HbII) from Lucina Pectinata in the 4–9 pH range
(2011)Lucina pectinata’s ctenidia contains three hemeproteins: the hydrogen sulfide reactive hemoglobin I (HbI) and the oxygen transporting hemoglobins II and III (HbII and HbIII) that remain unaffected by the presence of H2S. ... -
Cuando quedarse en casa no es una opción: experiencias de las personas sin hogar en el casco urbano de Río Piedras durante la Pandemia por COVID-19. Servicios y movilidad.
(2021-05-19)Desde entonces, el propósito de esta investigación fue explorar las experiencias de las personas sin hogar y profesionales del trabajo social, a través de dos dimensiones: movilidad y servicios. La dimensión de movilidad ... -
Cuantificación del impacto de las condiciones ambientales sobre la temperatura vaginal del ganado Senepol puertorriqueño con musculatura doble o sencilla
(2018-05)Senepol cattle has been recognized for its high thermoregulatory capacity. Recently, a mutation in the myostatin gene that results in the double muscle phenotype has been identified in this breed. However, it is unknown ... -
¿Cuáles son las industrias que crearán valor añadido en la zona sur de Puerto Rico como resultado de las operaciones del Puerto de las Américas?
(2008)With the evolution of the Ports around the world, new economies have been created based on competitive advantages and strategies around the concept of clusters and value added. The Port of Ponce, and the prospected Port ... -
Cuba y Puerto Rico : de una plancha dos grabados : plataforma digital de grabado cubano y puertorriqueño, 1950-1960
(2021-06-04)El siguiente proyecto investigativo busca desglosar y encontrar los nexos existentes en el medio del grabado entre Cuba y Puerto Rico durante el periodo comprendido entre 1950-1960. Este trabajo se centrará en investigar ... -
Cucurbita flowers as a new food product for Puerto Rico: Quality and nutritional assessment
(2017)Male pumpkin (Cucurbita spp.) flowers are potentially an important source of several nutrients, carotenes, ascorbic acid, folic acid, vitamins, and minerals that humans should consume in their daily diet. The aim of this ... -
Cuentos y actividades para fomentar la sana convivencia en el ambiente preescolar
(2020-11-30)La sana convivencia es una meta que todos los maestros esperan alcanzar en el aula preescolar. Sin embargo, en ocasiones los docentes no cuentan con herramientas que les permitan trabajar hacia la sana convivencia en su ... -
Cultivos aromáticos repelentes al picudo del pimiento [Anthonomus eugenii cano (Coleoptera: curculionidae)]: Su efecto en el comportamiento de búsqueda y aceptación de huésped
(2018-05)Pepper weevils (Anthonomus eugenii) were exposed to volatiles from Capsicun annuum, from five aromatic crops (Ocimum basilicum, Allium wakegi, Tagetes erecta, Plectranthus amboinicus and Cymbopogon citratus) and from ... -
Cultura Polifónica : aplicación dedicada a promover el turismo cultural de Puerto Rico
(2021-12-17)The cultural offering of our country should be more recognized and supported for its continuity in our patrimony. Media platforms inform about events that are happening through the country either for cultural or touristic ... -
Cultura y subculturas organizacionales: su influencia en el desempeño de instituciones financieras en Puerto Rico
(2021-04-22)El estudio tuvo como propósito indagar sobre la influencia de la cultura organizacional y sus subculturas en el desempeño organizacional de instituciones financieras del área metropolitana de Puerto Rico. La cultura ...