35 research outputs found

    Estudio exploratorio acerca de las creencias del profesorado de ciencias naturales y ciencias sociales sobre la consulta en l铆nea en diferentes dimensiones

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    Este trabajo se hace parte de una investigaci贸n m谩s compleja derivada del Proyecto AKA EDU 03 que involucra a tres universidades finlandesas y dos universidades chilenas. Se trata de un proyecto de investigaci贸n ambicioso tanto para aumentar nuestra comprensi贸n de c贸mo los estudiantes preguntan cu谩ndo consultan en l铆nea en el contexto de la informaci贸n dominada por la Web y el ambiente de los medios de comunicaci贸n, y para desarrollar un nuevo modelo pedag贸gico de la pr谩ctica de consultas en l铆nea en diferentes dominios de las ciencias sociales y naturales. Los desaf铆os a los que nos enfrentamos como profesores de promover sujetos competentes en ciencias (SCC) requieren un enfoque multidisciplinario que se base en la experiencia acad茅mica en lectura y comprensi贸n en l铆nea, educaci贸n de maestros y estudios de informaci贸n. El proyecto conjunto entre socios finlandeses y chilenos ofrece una excelente oportunidad para estudiar este fen贸meno y desarrollar modelos pedag贸gicos para consultas en l铆nea en diferentes contextos y culturas educativas. Aqu铆 compartimos la primera etapa de este proyecto de la contraparte chilena

    Amphibious Seismic Survey Images Plate Interface at 1960 Chile Earthquake

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    The southern central Chilean margin at the site of the largest historically recorded earthquake in the Valdivia region, in 1960 (Mw = 9.5), is part of the 5000-km-long active subduction system whose geodynamic evolution is controversially debated and poorly understood. Covering the area between 36掳 and 40掳S, the oceanic crust is segmented by prominent fracture zones. The offshore forearc and its onshore continuation show a complex image with segments of varying geophysical character, and several fault systems active during the past 24 m.y. In autumn 2001, the project SPOC was organized to study the Subduction Processes Off Chile, with a focus on the seismogenic coupling zone and the forearc. The acquired seismic data crossing the Chilean subduction system were gathered in a combined offshore-onshore survey and provide new insights into the lithospheric structure and evolution of active margins with insignificant frontal accretion

    The 4D nucleome project

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    A Seismic Vulnerability Index for Confined Masonry Shear Wall Buildings and a Relationship with the Damage

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    In this paper the Italian CNR-GNDT vulnerability index for masonry buildings was modified to apply in confined masonry buildings and to obtain a reasonable relationship with the wall density per unit floor index. With this purpose, a sample of twenty-four confined masonry buildings with three and four storeys built during the last twenty-five years for social housing programs was used. A relationship has also been obtained between the value of the proposal index and the damage observed in the March 1985 Central Chile subduction earthquake (Ms = 7.8)

    Estudio exploratorio acerca de las creencias del profesorado de ciencias naturales y ciencias sociales sobre la consulta en l铆nea en diferentes dimensiones

    No full text
    Este trabajo se hace parte de una investigaci贸n m谩s compleja derivada del Proyecto AKA EDU 03 que involucra a tres universidades finlandesas y dos universidades chilenas. Se trata de un proyecto de investigaci贸n ambicioso tanto para aumentar nuestra comprensi贸n de c贸mo los estudiantes preguntan cu谩ndo consultan en l铆nea en el contexto de la informaci贸n dominada por la Web y el ambiente de los medios de comunicaci贸n, y para desarrollar un nuevo modelo pedag贸gico de la pr谩ctica de consultas en l铆nea en diferentes dominios de las ciencias sociales y naturales. Los desaf铆os a los que nos enfrentamos como profesores de promover sujetos competentes en ciencias (SCC) requieren un enfoque multidisciplinario que se base en la experiencia acad茅mica en lectura y comprensi贸n en l铆nea, educaci贸n de maestros y estudios de informaci贸n. El proyecto conjunto entre socios finlandeses y chilenos ofrece una excelente oportunidad para estudiar este fen贸meno y desarrollar modelos pedag贸gicos para consultas en l铆nea en diferentes contextos y culturas educativas. Aqu铆 compartimos la primera etapa de este proyecto de la contraparte chilena

    eminger G, De Sio M, Sodha H, Saussine C, de la Rosette J; CROES PNL study group. Effect of Supine vs Prone Position on Outcomes of Percutaneous Nephrolithotomy in Staghorn Calculi: Results From the Clinical Research Office of the Endourology Society Study.

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    OBJECTIVE: To analyze the effect of patient positioning on outcomes of percutaneous nephrolithotomy (PNL) among patients with staghorn stones. The choice of optimal position for these patients undergoing PNL remains challenging. No previous studies exclusively addressing this point have been performed. METHODS: From November 2007 to December 2009, prospective data were collected by the Clinical Research Office of the Endourological Society. We included all patients with staghorn stones. Patients were divided on the basis of the position used during PNL (prone/supine). Patient characteristics, stone burden, operative details, and outcomes were compared. Multivariate analysis was performed to evaluate the relationship between patient position and stone-free rate and complication rate adjusting for number of access puncture sites. RESULTS: A total of 1079 PNLs were performed in prone and 232 in supine positions. There were no differences in comorbidities or preoperative stone burden. A higher percentage of patients in the prone position had access through the upper pole (P <.001). Surgical time was shorter (P <.001) and stone-free rate was higher (P <.001) for patients in the prone position. There were no differences in complication rates. In multivariate analysis, patients in prone position had a higher stone-free rates (P = .0013) after adjusting for the method used for determining stone-free status and number of renal access. CONCLUSION: Higher stone-free rates are achieved in the prone position during PNL for patients with staghorn calculi. Complication rates were similar for both positions
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