28 research outputs found

    Opportunities for renewable energy electrification in remote areas of Costa Rica

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    Perspectives on Global Development and Technology. Online Publication Date: 10 Dec 2019Countries around the world are politically driven to move toward a low-carbon future by embracing renewable energies technologies for electricity generation. With abundance of renewable energy resources, Costa Rica has produced over 95% of its electricity from hydro, geothermal and wind power plants. Only 1% of its population live without electricity, mainly in remote territories where rural off-grid electrification is very challenging. The purpose of this research is to understand the opportunities to reach universal electricity access in Costa Rica by using renewables. This paper highlights that a greater level of engagement is needed from local leaders develop efficient solutions. There are more opportunities to access funding schemes if projects are linked with the education sector. Hence, financial and technical support from external entities can be granted supporting the sustainability of the power systems and its expected socio-economic outcomes. This funding scheme can be replicated in other developing countries

    Análisis y estrategia de comunicación para la marca Rextie

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    Este trabajo de investigación tiene como propósito desarrollar una campaña publicitaria para posicionar la marca Rextie, la cual es una casa de cambios virtual que busca tener más reconocimiento entre sus competidores directos. Al igual que una casa de cambio presencial, tiene un tipo de cambio que varía según la economía, pero su diferencial se basa en evitar las colas y poder cambiar dólares en cualquier lugar desde tu aplicación. Esta marca va dirigida a hombres y mujeres de 24 a 55 años, usuarios PYMES y naturales, brindándoles seguridad y rapidez a la hora de cambiar dólares de manera online. Para que la campaña publicitaria sea efectiva utilizaremos herramientas de investigación que nos ayudarán a conocer más sobre el público objetivo: entrevistas, encuestas y análisis. Además, se investigará a profundidad la marca Rextie, sus redes más utilizadas y a su competencia.The purpose of this investigation work is to develop an advertising campaign to position the Rextie brand, which is a virtual exchange that seeks to gain more recognition among its direct competitors. Like a face-to-face exchange, it has an exchange rate that varies according to the economy, but its differential is based on avoiding queues and being able to exchange dollars anywhere from your application. This brand is aimed at men and women from 27 to 45 years old, SME and natural users, offering them security and speed when it comes to exchanging dollars online. For the advertising campaign to be effective, we will use research tools that will help us to learn more about the target audience: interviews, surveys and analysis. In addition, the Rextie brand, its most used networks and its competition will be investigated in depth

    Reducing the environmental impact of surgery on a global scale: systematic review and co-prioritization with healthcare workers in 132 countries

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    Abstract Background Healthcare cannot achieve net-zero carbon without addressing operating theatres. The aim of this study was to prioritize feasible interventions to reduce the environmental impact of operating theatres. Methods This study adopted a four-phase Delphi consensus co-prioritization methodology. In phase 1, a systematic review of published interventions and global consultation of perioperative healthcare professionals were used to longlist interventions. In phase 2, iterative thematic analysis consolidated comparable interventions into a shortlist. In phase 3, the shortlist was co-prioritized based on patient and clinician views on acceptability, feasibility, and safety. In phase 4, ranked lists of interventions were presented by their relevance to high-income countries and low–middle-income countries. Results In phase 1, 43 interventions were identified, which had low uptake in practice according to 3042 professionals globally. In phase 2, a shortlist of 15 intervention domains was generated. In phase 3, interventions were deemed acceptable for more than 90 per cent of patients except for reducing general anaesthesia (84 per cent) and re-sterilization of ‘single-use’ consumables (86 per cent). In phase 4, the top three shortlisted interventions for high-income countries were: introducing recycling; reducing use of anaesthetic gases; and appropriate clinical waste processing. In phase 4, the top three shortlisted interventions for low–middle-income countries were: introducing reusable surgical devices; reducing use of consumables; and reducing the use of general anaesthesia. Conclusion This is a step toward environmentally sustainable operating environments with actionable interventions applicable to both high– and low–middle–income countries

    Embedded wireless delay tolerant networks on chips for segmented architectures

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    Fault-tolerant systems were traditionally based on the use of local redundancies. But currently, network technologies have allowed the emergence of novel distributed alternatives. Among these, disruption tolerant networks (DTNs) are designed to be robust against all sorts of delays and disruptions. DTNs were initially applied in scenarios with long distances and variable interruption intervals between their nodes. Wireless delay tolerant networks on chips (WDTNOCs) have been recently introduced as an enabling technology that can inherit some DTNs characteristics while improving embedded systems dependability. This work presents new results regarding ´hop counts´ and ´end to end delays´ for linear-shaped WDTNOCs under parametric transient fault scenarios. Extensive simulation results demonstrate that it is also possible to improve system´s performance and graceful degradation characteristics. Feasibility aspects regarding the required buffer sizes are also addressed. Finally, as an important application possibility, it is shown how the so-called segmented architectures can directly benefit from embedded WDTNOCs.Fil: Ferreyra, Pablo Alejandro. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Universidad Nacional de Córdoba. Facultad de Matemática, Astronomía y Física; Argentina. Universidad Nacional de Córdoba. Facultad de Ingeniería; ArgentinaFil: Capkob, Rubén Danilo. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; ArgentinaFil: Gomez, Alberto Fabian. Universidad Nacional de Chilecito; ArgentinaFil: Fraire, Juan Andres. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Nacional de Córdoba; Argentina. Universite Claude Bernard Lyon 1. Institut de Physique Nucléaire de Lyon.; FranciaFil: Barrientos, Carlos José. Comision Nacional de Actividades Espaciales; Argentin

    Universidad inteligente: Mapa estratégico desde la adopción de tecnología

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    Se contextualiza desde el Internet de las Cosas y su vital importancia para el concepto emergente de universidad inteligente. El propósito de este documento es presentar una propuesta de mapa estratégico a partir del análisis de la bibliografí.0000-0002-2880-924
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