988 resultados para Pitture Restauro Rimini S.Nicolò S.Michelino


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El trabajo obtuvo el Segundo Premio de la Modalidad B de los 'Premios Tom??s Garc??a Verdejo' a las buenas pr??cticas educativas en la Comunidad Aut??noma de Extremadura para el curso acad??mico 2013/2014

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Resumen basado en el de la publicaci??n

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Resumen basado en el de la publicaci??n

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Se describen un conjunto de actividades llevadas a cabo en el IES Francisco de Orellana (Trujillo, C??ceres) orientadas a la investigaci??n, conocimiento y difusi??n del Holocausto jud??o, que adem??s pretenden mejorar la convivencia dentro y fuera del entorno escolar e inculcar valores de respeto y de aceptaci??n del otro. Las actividades se insertan en la trayectoria de ense??anza-aprendizaje de la lengua francesa y la cultura franc??fona de la secci??n biling??e de franc??s del centro

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El trabajo obtuvo un premio de la Modalidad B de los Premios Tom??s Garc??a Verdejo a las buenas pr??cticas educativas en la Comunidad Aut??noma de Extremadura para el curso 2011/2012

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Orientador: Maria Otílio Telles Storni ; co-orientador: José Bernardino Pereira Duarte

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É unanimemente reconhecido que o conhecimento das origens e do desenvolvimento das sociedades humanas assume uma importância fundamental para toda a humanidade, permitindo-lhe reconhecer as suas raízes culturais e sociais. O património arqueológico constitui um testemunho essencial sobre as actividades humanas do passado. A sua protecção e gestão cuidadas são, por conseguinte, indispensáveis para permitir aos arqueólogos e a outros especialistas o seu estudo e interpretação em nome e para benefício das gerações presentes e futuras. A protecção deste património não pode basear-se exclusivamente nas técnicas da arqueologia. Exige uma base de conhecimentos e de competências profissionais e científicas mais alargadas. Alguns elementos do património arqueológico fazem parte de estruturas arquitectónicas, devendo nesse caso ser protegidos com respeito pelos critérios relativos ao património arquitectónico enunciados em 1964 na Carta de Veneza sobre a conservação e o restauro dos monumentos e sítios. Outros elementos fazem parte das tradições vivas das populações autóctones, cuja participação se torna essencial para a sua protecção e conservação. Por estas e outras razões, a protecção do património arqueológico deve assentar numa colaboração efectiva entre especialistas de diversas disciplinas. Exige ainda a cooperação dos serviços públicos, dos investigadores, das empresas privadas e do grande público.

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Este estudo pretende ser um contributo para a valorização histórica e reabilitação do mosteiro de S. Salvador de Palme. Está dividido em duas partes, uma parte histórica e outra em ordem à reabilitação do edifício. No aspecto histórico procurou-se retratar, desde a sua construção, até aos nossos dias os factos mais relevantes ligados à vida do mosteiro. Este mosteiro foi construído cerca do ano de 1.028 por um nobre chamado Lovezendo, e após alguns anos foi entregue aos monges de S. Bento. Ao longo dos séculos a vida neste mosteiro nem sempre foi pacífica, conforme se documenta no desenvolvimento do trabalho. Em 1834, por decreto-lei o mosteiro é extinto e vendido em hasta pública à família Fonseca Moniz. Daí em diante o mosteiro foi praticamente só utilizado para fins habitacionais da família. Dado o estado de degradação em que se encontra o mosteiro, procurou-se dar um contributo no sentido de serem reabilitados os revestimentos exteriores do edifício, visto ser aí onde se encontra o maior número de patologias. Para isso fez-se o levantamento dessas patologias e apresentam-se metodologias e soluções.

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The Convective Storm Initiation Project (CSIP) is an international project to understand precisely where, when, and how convective clouds form and develop into showers in the mainly maritime environment of southern England. A major aim of CSIP is to compare the results of the very high resolution Met Office weather forecasting model with detailed observations of the early stages of convective clouds and to use the newly gained understanding to improve the predictions of the model. A large array of ground-based instruments plus two instrumented aircraft, from the U.K. National Centre for Atmospheric Science (NCAS) and the German Institute for Meteorology and Climate Research (IMK), Karlsruhe, were deployed in southern England, over an area centered on the meteorological radars at Chilbolton, during the summers of 2004 and 2005. In addition to a variety of ground-based remote-sensing instruments, numerous rawin-sondes were released at one- to two-hourly intervals from six closely spaced sites. The Met Office weather radar network and Meteosat satellite imagery were used to provide context for the observations made by the instruments deployed during CSIP. This article presents an overview of the CSIP field campaign and examples from CSIP of the types of convective initiation phenomena that are typical in the United Kingdom. It shows the way in which certain kinds of observational data are able to reveal these phenomena and gives an explanation of how the analyses of data from the field campaign will be used in the development of an improved very high resolution NWP model for operational use.

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Sorghum (Sorghum bicolor) was grown for 40 days in. rhizocylinder (a growth container which permitted access to rh zosphere and nonrhizosphere soil), in two soils of low P status. Soils were fertilized with different rates of ammonium and nitrate and supplemented with 40 mg phosphorus (P) kg(-1) and inoculated with either Glomus mosseae (Nicol. and Gerd.) or nonmycorrhizal root inoculum.. N-serve (2 mg kg(-1)) was added to prevent nitrification. At harvest, soil from around the roots was collected at distances of 0-5, 5-10, and 10-20 mm from the root core which was 35 mm diameter. Sorghum plants, with and without mycorrhiza, grew larger with NH4+ than with NO3- application. After measuring soil pH, 4 3 suspensions of the same sample were titrated against 0.01 M HCl or 0.01 M NaOH until soil pH reached the nonplanted pH level. The acid or base requirement for each sample was calculated as mmol H+ or OFF kg(-1) soil. The magnitude of liberated acid or base depended on the form and rate of nitrogen and soil type. When the plant root was either uninfected or infected with mycorrhiza., soil pH changes extended up to 5 mm from the root core surface. In both soils, ammonium as an N source resulted in lower soil pH than nitrate. Mycorrhizal (VAM) inoculation did not enhance this difference. In mycorrhizal inoculated soil, P depletion extended tip to 20 mm from the root surface. In non-VAM inoculated soil P depletion extended up to 10 mm from the root surface and remained unchanged at greater distances. In the mycorrhizal inoculated soils, the contribution of the 0-5 mm soil zone to P uptake was greater than the core soil, which reflects the hyphal contribution to P supply. Nitrogen (N) applications that caused acidification increased P uptake because of increased demand; there is no direct evidence that the increased uptake was due to acidity increasing the solubility of P although this may have been a minor effect.

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Nitrous oxide (N2O) emission from soils is a major contributor to the atmospheric loading of this potent greenhouse gas. It is thought that autotrophic ammonia oxidizing bacteria (AOB) are a significant source of soil-derived N2O and a denitrification pathway (i.e. reduction of NO2- to NO and N2O), so-called nitrifier denitrification, has been demonstrated as a N2O production mechanism in Nitrosomonas europaea. It is thought that Nitrosospira spp. are the dominant AOB in soil, but little information is available on their ability to produce N2O or on the existence of a nitrifier denitrification pathway in this lineage. This study aims to characterize N2O production and nitrifier denitrification in seven strains of AOB representative of clusters 0, 2 and 3 in the cultured Nitrosospira lineage. Nitrosomonas europaea ATCC 19718 and ATCC 25978 were analysed for comparison. The aerobically incubated test strains produced significant (P < 0.001) amounts of N2O and total N2O production rates ranged from 2.0 amol cell(-1) h(-1), in Nitrosospira tenuis strain NV12, to 58.0 amol cell(-1) h(-1), in N. europaea ATCC 19718. Nitrosomonas europaea ATCC 19718 was atypical in that it produced four times more N2O than the next highest producing strain. All AOB tested were able to carry out nitrifier denitrification under aerobic conditions, as determined by production of N-15-N2O from applied N-15-NO2-. Up to 13.5% of the N2O produced was derived from the exogenously applied N-15-NO2-. The results suggest that nitrifier denitrification could be a universal trait in the betaproteobacterial AOB and its potential ecological significance is discussed.

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Invasive plant species have been shown to alter the microbial community composition of the soils they invade and it is suggested that this below-ground perturbation of potential pathogens, decomposers or symbionts may feedback positively to allow invasive success. Whether these perturbations are mediated through specific components of root exudation are not understood. We focussed on 8-hydroxyquinoline, a putative allelochemical of Centaurea diffusa (diffuse knapweed) and used an artificial root system to differentiate the effects of 8-hydroxyquinoline against a background of total rhizodeposition as mimicked through supply of a synthetic exudate solution. In soil proximal (0-10 cm) to the artificial root, synthetic exudates had a highly significant (P < 0.001) influence on dehydrogenase, fluorescein diacetate hydrolysis and urease activity. in addition, 8-hydroxyquinoline was significant (p = 0.003) as a main effect on dehydrogenase activity and interacted with synthetic exudates to affect urease activity (p = 0.09). Hierarchical cluster analysis of 16S rDNA-based DGGE band patterns also identified a primary affect of synthetic exudates and a secondary affect of 8-hydroxyquinoline on bacterial community structure. Thus, we show that the artificial rhizosphere produced by the synthetic exudates was the predominant effect, but, that the influence of the 8-hydroxyquinoline signal on the activity and structure of soil microbial communities could also be detected. (C) 2009 Elsevier Ltd. All rights reserved.