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Mostrando ítems 4955-4974 de 19072
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Design and Characterization of a High Vacuum Metals Deposition System based on Electron Beam Evaporation
(2010-08-03)We describe a high vacuum metals deposition system based ona variation of a pendant-drop type electron beam evaporator.This system uses a Molybdenum crucible as an evaporantinstead of a rod or wire usually used in ultrathin ... -
Design and Evaluation of a Personalized Cancer Treatment System using Human-Computer Interaction Techniques
(2016)This paper presents a case study where Human-Computer Interaction techniques were applied in the design and evaluation of a health system. The system consisted of a software platform that supports personalized cancer ... -
Design and Implementation of a Software Testing Training Course
(2015)This paper presents the design and implementation of a software testing training course for software developers with little or no background on software testing. The design of this training course is modular, so that it ... -
Design and synthesis of n-[3-(3-oxoprop-1-yn-1-yl) phenyl] benzene sulfonamide: a highly active antimicrobial compound
(2019)The synthesis of the highly active compound N-[3-(3-oxoprop-1-yn-1-yl)phenyl] benzene sulfonamide was performed and its activity against Gram (+), Gram (-), mold and yeast was determined. -
Design Challenges for Reconnecting in Later Life: A Qualitative Study
(2018-05-31)Friendships and social interactions are renown contributors to wellbeing. As such, keeping a healthy amount of relationships becomes very important as people age and the size of their social network tends to decrease. ... -
Design of a device to slow the motion and vertical descent of a water rocket inspired by tropical seeds from Costa Rica
(2022-09-18)The project design is framed in the project: “C1461 Mobile Laboratory of Action and Thought in Biomimetic Arts” in which an interdisciplinary group of researchers and students from the Universidad de Costa Rica collaborated ... -
Design of an optimized biomixture for the degradation of carbofuran based on pesticide removal and toxicity reduction of the matrix
(2015-12)Pesticide biopurification systems contain a biologically active matrix (biomixture) responsible for the accelerated elimination of pesticides in wastewaters derived from pest control in crop fields. Biomixtures have been ... -
Design of experiments assessment for the determination of moisture content in five herbal raw materials contained in tea products
(2020-02)Research interest in natural raw materials is rapidly growing due to the high demand for natural products like herbal teas. Their quality control has a direct impact on safety and efficacy. The aim of this study was to ... -
Design of Experiments for the Establishment of the Dissolution Test Conditions of Rupatadine Fumarate 10 mg tablets
(2019)Design of Experiments (DoE) is a statistical model that aims to determine if the factors under study affect the response, and if so, it determines the conditions under which this variable of interest can be optimized. In ... -
Design thinking para la docencia universitaria en bibliotecología
(2020)El presente estudio tiene como objetivo presentar la aplicación de la metodología design thinking o pensamiento de diseño en escenarios de enseñanza y asimismo investigar sobre estrategias implementadas en el marco de la ... -
Designing a Context-Aware Smart Notifications System for Precision Agriculture
(2022-11-21)Smart farming solutions seek to help farmers in their daily activities. Their use has shown that it is beneficial for farmers to be aware of the distinct variables affecting the production. For this reason, having alerts ... -
Designing diagnosis instrument to determine e-Commerce readiness for micro and small enterprises in rural areas
(2022-05)Before implementing electronic commerce, micro-businesses must conduct a diagnostic study to determine its feasibility. They must decide whether they have the technological resources required and determine if potential ... -
Designing Tools that Allows Children in the Early Childhood to Program Robots
(2017)This paper describes the design and evaluation process of two mobile programming assistance tools that allow children in the early childhood to develop programs and execute them using robots. The tools are called TITIBOTS ... -
Desigualdad de ingreso y mercado de trabajo
(2023-02-03)A finales de 2022, los trabajadores del sector informal presentan mayor desigualdad de ingreso que los trabajadores formales privados y que los trabajadores públicos. La diferencia en ingresos entre empleados públicos y ... -
Desigualdad económica y erosión de los Derechos Humanos/ El caso de Costa Rica.
(2022-09-28)Exposición del Dr. Jaime Ordoñez Chacón sobre la creciente desigualdad económica a causa de distintos factores, enfocada principalmente en la incidencia provocada por la situación de la pandemia de Covid-19. En esta ... -
Desigualdad percibida de ingreso y salud
(2023-02-20)Costarricenses nacidos entre 1945 y 1955 y que perciben que su situación socioeconómica relativa desmejoró a través de sus vidas tienen más probabilidades de fallecer que los compatriotas que sienten que su nivel de vida ... -
Desigualdad social y ciudadanía: Nicaragua en el marco de la Constitución de 1858
(2016)En este capítulo se analiza el marco jurídico que definió la ciudadanía en Nicaragua, centrándose en el régimen establecido a partir de la Constitución Política de 1858. Se destaca que la ciudadanía es una construcción ... -
Desigualdad y recursos forestales: una tipología de los conflictos ambientales en Costa Rica, 1882-1955
(2016)El estudio se enfoca en la conflictividad forestal en Costa Rica y busca comprender los diferentes factores que han contribuido a la transformación de los bosques en la región a lo largo del tiempo. Se analizan las dinámicas ...