Search Results - "Echavarría, Juan"

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    The impact of pre-announced day-to-day interventions on the Colombian exchange rate by Echavarría, Juan J., Melo-Velandia, Luis F., Villamizar-Villegas, Mauricio

    Published in Empirical economics (01-11-2018)
    “…There is a general lack of consensus within the literature on the question of how to intervene in the foreign exchange market. Are secret (dirty) interventions…”
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    Journal Article
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    Choking dynamic of highly swirled flow in variable nozzle radial turbines by Tiseira, Andrés, Dolz, Vicente, Inhestern, Lukas Benjamin, Echavarría, Juan David

    Published in Aerospace science and technology (01-03-2022)
    “…This paper presents the results of a computational investigation of the aerodynamic choking mechanism in a variable geometry turbine, which is widely used in…”
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    Journal Article
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    Numerical Analysis of the Effects of Grooved Stator Vanes in a Radial Turbine Operating at High Pressure Ratios Reaching Choked Flow by Galindo, José, Tiseira, Andrés, Navarro, Roberto, Inhestern, Lukas Benjamin, Echavarría, Juan David

    Published in Aerospace (01-04-2023)
    “…The flow through the stator vanes of a variable geometry turbocharger turbine can reach supersonic conditions and generates a shock wave on the stator vanes,…”
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    New records and an update of the distribution of Sibon annulatus (Colubridae: Dipsadinae: Dipsadini) for Colombia by Meneses-Pelayo, Elson, Echavarría-Rentería, Juan David, Bayona-Serrano, Jonard David, Caicedo-Portilla, José Rances, Rengifo-Mosquera, Jhon Tailor

    Published in Check list (Luís Felipe Toledo) (2016)
    “…We revised and identified preserved specimens of Sibon annulatus (Günther, 1872)to present an update of its geographical distribution in Colombia. We include…”
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    Journal Article
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    The Impact of Foreign Exchange Intervention in Colombia. An Event Study Approach by Echavarría, Juan José, Melo, Luis Fernando, Villamizar, Mauricio

    Published in Desarrollo y sociedad (01-01-2014)
    “…To date, there is still great controversy as to which exchange rate model should be used or which monetary channel should be considered, when measuring the…”
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    Numerical Analysis of the Effects of Different Rotor Tip Gaps in a Radial Turbine Operating at High Pressure Ratios Reaching Choked Flow by Galindo, José, Tiseira, Andrés, Navarro, Roberto, Inhestern, Lukas, Echavarría, Juan

    Published in Energies (Basel) (01-12-2022)
    “…To operate, radial turbines used in turbochargers require a minimum tip gap between the rotor blades and the stationary wall casing (shroud). This gap…”
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    Atlas visual de la memoria. Una forma de visualizar y representar el conflicto en Colombia by Toro Tamayo, Luis Carlos, Vallejo Echavarría, Juan Camilo

    “…El presente texto indaga en la definición de parámetros teóricos y técnicos desde la ciencia de la información y los estudios sobre la fotografía como…”
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    Más allá de los datos: la revolución de la inteligencia artificial en las ciencias de la información by Juan Camilo Vallejo Echavarría

    Published in Revista interamericana de bibliotecología (01-01-2024)
    “…La inteligencia artificial (IA) está reformulando algunos paradigmas en la bibliotecología, la archivística y las ciencias de la información, tal y como lo…”
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    RIB 45 años: la historia documentada de la bibliotecología, la archivística y las ciencias de la información desde la EIB by Vallejo Echavarría director/editor, Juan Camilo

    Published in Revista interamericana de bibliotecología (01-05-2023)
    “…La Revista Interamericana de Bibliotecología (RIB) ha cumplido recientemente 45 años de historia. Desde su creación en 1978, esta publicación científica ha…”
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    Journal Article
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    Estudio del régimen de combustión sin llama ante la variación de la carga térmica by Echavarría, Juan D, Arrieta, Andrés Amell

    “…El presente estudio evaluó numérica y experimentalmente en un horno de 20 kW (a gas natural y con un factor de aireación de 1.2) la estabilidad del régimen de…”
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    Risk of Metachronous Neoplasia with High-Risk Adenoma and Synchronous Sessile Serrated Adenoma: A Systematic Review and Meta-Analysis by Boregowda, Umesha, Umapathy, Chandraprakash, Echavarria, Juan, Saligram, Shreyas

    Published in Diagnostics (Basel) (27-04-2023)
    “…Sessile serrated adenomas are important precursors to colorectal cancers and account for 30% of colorectal cancers. The United States Multi-Society Task Force…”
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    Endoscopic Management of Complex Colorectal Polyps: Current Insights and Future Trends by Mann, Rupinder, Gajendran, Mahesh, Umapathy, Chandraprakash, Perisetti, Abhilash, Goyal, Hemant, Saligram, Shreyas, Echavarria, Juan

    Published in Frontiers in medicine (20-01-2022)
    “…Most colorectal cancers arise from adenomatous polyps and sessile serrated lesions. Screening colonoscopy and therapeutic polypectomy can potentially reduce…”
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    Memoria fotográfica: la imagen como recuerdo y documento histórico by Ariza, Augusto Solórzano, Tamayo, Luis Carlos Toro, Echavarría, Juan Camilo Vallejo

    Published in Revista interamericana de bibliotecología (01-01-2017)
    “…The analysis of a particular photographic collection, made up of images unclaimed, taken in different regions of the Colombian geography and collected by an…”
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