900 resultados para Balneario de Betelú (Navarra).


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Betel quid (BQ) and areca nut chewing is widely prevalent in many parts of Asia and Asian-migrant communities throughout the world. Global reports estimate 600 million users. Sufficient evidence of carcinogenicity has been found for BQ and its main ingredient, areca nut. BQ areca nut users have an increased risk of potentially malignant disorders. Among chewers, BQ remains in contact with the oral mucosa for prolonged periods. This review examines the clinical and pathological aspects of lichenoid lesions caused by areca nut and BQ, a condition that has received little attention in the published literature.

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von Fritz Baer

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Signatur des Originals: S 36/F05574

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Signatur des Originals: S 36/F09394

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Signatur des Originals: S 36/F09395

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Signatur des Originals: S 36/F09396

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Signatur des Originals: S 36/F11016

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Signatur des Originals: S 36/F11017

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Field data of soiling energy losses on PV plants are scarce. Furthermore, since dirt type and accumulation vary with the location characteristics (climate, surroundings, etc.), the available data on optical losses are, necessarily, site dependent. This paper presents field measurements of dirt energy losses (dust) and irradiance incidence angle losses along 2005 on a solar-tracking PV plant located south of Navarre (Spain). The paper proposes a method to calculate these losses based on the difference between irradiance measured by calibrated cells on several trackers of the PV plant and irradiance calculated from measurements by two pyranometers (one of them incorporating a shadow ring) regularly cleaned. The equivalent optical energy losses of an installation incorporating fixed horizontal modules at the same location have been calculated as well. The effect of dirt on both types of installations will accordingly be compared.

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Se presenta un nuevo estudio de peligrosidad sísmica de Navarra siguiendo el método de cálculo probabilista zonificado, con un árbol lógico para cuantificar la incertidumbre epistemológica inherente a los modelos de atenuación y a las zonificaciones sísmicas. El estudio parte de la revisión y contraste de los catálogos sísmicos disponibles. A partir de ellos se configura un catálogo de proyecto, homogeneizado a magnitud momento Mw y depurado de réplicas y premonitores. Además se realiza un estudio de las zonificaciones que contienen la región y se desarrolla una nueva zonificación específica para el proyecto, atendiendo a criterios sismológicos y geológicos. Por último, se seleccionan los modelos de atenuación más idóneos para la región Pirenaica. Los cálculos se realizan sobre emplazamiento en roca. Los resultados se presentan mediante mapas de peligrosidad en la provincia de Navarra y espectros de peligrosidad uniforme en varias poblaciones para periodo de retorno de 475 años. Estos resultados se comparan finalmente con los provistos por la Norma NCSE-02 y con los de otros estudios existentes