998 resultados para Portugal. Cortes.
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L. C. set incomplete: v. 1 wanting.
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Referência : Biblioteca Nacional de Portugal - Catálogo On-line.
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Sign.: A-F4.
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Integran este número de la revista ponencias presentadas en Studia Hispanica Medievalia VIII: Actas de las IX Jornadas Internacionales de Literatura Española Medieval, 2008, y de Homenaje al Quinto Centenario de Amadis de Gaula.
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Estudo comparado sobre o tratamento dado ao procedimento de escolha e nomeação dos titulares de cortes constitucionais no direito da França, Estados Unidos, Áustria, Alemanha, Portugal, Espanha e Brasil.
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Diccionario Bibliographico Portuguez / Innocencio Francisco da Silva, 1860. v. 4, p. 219.
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Referência: Biblioteca Nacional de Portugal- Catálogo On-line.
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Referência : Biblioteca Nacional de Portugal- Catálogo On-line.
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Esta tese tem como propósito analisar as relações político-diplomáticas entre Portugal e a Santa Sé na primeira metade do século XVIII, tendo como principal problemática o corte das relações diplomáticas entre as duas cortes -, ocorrido entre 1728-1731. O episódio resultou, no nível mais imediato, da recusa de Roma em conceder paridade a Portugal diante das outras cortes europeias, negando a ascensão do núncio apostólico Vicente Bichi, ao título de cardeal. Tal política inseria-se em uma linguagem diplomática tradicional, para a qual Roma permanecia o centro da cristandade e distribuidora de privilégios. A opção de D. João V em manter-se fiel a uma linguagem tradicional não o impediu de se apropriar e de utilizar uma linguagem moderna, expressão compartilhada pelos loci de poder setecentistas, representados pelas monarquias que se consolidavam na França, na Inglaterra, na Áustria, na Prússia e até na Rússia, operando a partir de uma razão de Estado, a linguagem diplomática moderna, que configurou o tabuleiro político europeu entre os congressos de Utrecht e de Viena. Linguagem esta que fora traduzida pelos embaixadores ou chefes de missão portugueses, o que permitiu a participação de Portugal nas grandes decisões do período e consolidou a política de privilégio de D. João V, consagrando o monarca Fidelíssimo e, consequentemente, o reino português numa Europa em transformação.
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Strong and sometimes extreme responses in runoff and soil erosion following wildfires have been reported worldwide. However, in the case of North-Central Portugal, little research had been carried out regarding the hydrologic and erosive impacts of several land management activities in recently burnt areas (such as ground preparation, post-fire logging or post-fire mitigation treatments). This study aims to assess post-fire runoff and soil erosion response on Eucalypt and Maritime pine plantations during the first, second and third years following wildfires. The effect of several pre-fire ground preparation operations (ploughed down-slope, contour ploughed and inclined terraces), post-fire logging activities (on both the eucalypt and pine plantations), as well as the application of hydromulch (a post-fire emergency treatment) on overland flow and soil erosion were compared to burnt but undisturbed and untreated areas. The intensive monitoring of runoff, soil erosion and selected soil properties served to determine the main factors involved in post-fire runoff and soil erosion and their spatial and temporal variation. Soil water repellency deserved special attention, due to its supposed important role for overland flow generation. Repeated rainfall simulation experiments (RSE’s), micro-scale runoff plots and bounded sediment fences were carried out and/or installed immediately after the wildfire on seven burnt slopes. Micro-scale runoff plots results under natural rainfall conditions were also compared to the RSE’s results, which was useful for assessing the representativeness of the data obtained with artificial rainfall. The results showed comparable runoff coefficient (20-60%) but lower sediment losses (125-1000 g m-2) than prior studies in Portugal, but especially outside Portugal. Lower sediment losses were related with the historic intensive land use in the area. In evaluating these losses, however, the shallowness and stoniness of the soils, as well as the high organic matter fraction of the eroded sediments (50%) must not be overlooked. Sediment limited erosion was measured in all the ploughed sites, probably due to the time since ploughing (several years). The disturbance of the soil surface cover due to post-fire logging and wood extraction substantially increased sediment losses at both the pine and eucalypt sites. Hydromulch effectiveness in reducing the runoff (70%) and sediment losses (83%) was attributed to the protective high coverage provided by hydromulch. The hydromulch significantly affected the soil cover and other soil properties and these changes also reduced the soil erosion risk. The rainfall amount was the main factor explaining the variance in runoff. However, a shift from rainfall amount to rainfall intensity was detected when either the surface cover or the infiltration capacity (hydrophilic conditions) increased. Sediment losses were controlled by rainfall intensity and surface cover. The role of soil water repellency on runoff generation was not consistent; the overall repellency levels alone were not enough to assess its hydrological impact. Soil water repellency explained runoff generation in the specific-sites model better than in the overall model. Additionally, soil moisture content was a better predictor for soil water repellency than antecedent rainfall. The natural rainfall results confirmed that RSE’s were able to capture the specific sediment losses and its organic matter content as well as the differences between the ploughed and unploughed sites. Repeated RSE’s also captured the seasonal variations in runoff and sediment losses attributed to soil water repellency. These results have implications for post-fire soil erosion modelling and soil conservation practices in the region, or areas with the same land use, climate and soil characteristics. The measured sediment loss, as well as the increasing frequency of ploughing in recently burnt and unburnt eucalypt stands, suggests ploughing is not an effective as a soil conservation measure. Logging activities with less impact are recommended in order to maintain the forest litter protecting the soil surface. Due to its high effectiveness in reducing runoff and soil erosion, hydromulch is recommended for highly sensitive and vulnerable areas.
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Introdução Nos últimos anos temos assistido a grandes modificações e desafios no sector da saúde, com reformas ao nível da organização cultural, reestruturação de serviços, encerramento de algumas urgências e maternidades, reduções de vencimento e grandes cortes ao nível do financiamento dos serviços. É necessário perceber, qual o impacto, que esta reforma tem provocado nas expectativas profissionais dos futuros médicos de Portugal. Sendo as expectativas um dos determinantes da motivação, estas são um factor crucial para o desempenho de um serviço de qualidade e com eficiência. Métodos Foi realizado um estudo qualitativo e a abordagem metodológica foi um estudo de caso, com uma amostra intencional por conveniência, selecionada por questões de proximidade e acessibilidade da investigadora. A informação foi recolhida através da técnica de grupos focais a internos do ano comum e da especialidade, da Administração Regional de Saúde do Alentejo, mais precisamente na cidade de Évora. Realizaram-se 4 grupos focais, onde participaram 10 internos do ano comum e 9 internos da especialidade. Os dados obtidos durante a realização dos grupos focais foram os sujeitos a análise de conteúdo e foi realizada uma breve caracterização dos indivíduos que participaram. Resultados e discussão Em todos os grupos verificou-se uma incapacidade de pensar e planear o futuro, apresentando como principal razão as constantes alterações aplicadas com a reforma no sector da saúde. Observou-se uma ausência de expectativas relativamente ao seu futuro profissional, com grande preocupação em relação ao possível desemprego médico. Os internos do ano comum pretendem na sua maioria especialidades hospitalares. Mas mantêm a preocupação relativamente à possibilidade de não conseguirem vaga para a realização da especialidade. Conclusão Estes futuros médicos necessitam de esperança e de um elementos motivadores, activadores de comportamento, que possibilite um aumento das suas expectativas e consequentemente um melhor desempenho profissional futuro.
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Besnoitia besnoiti, an obligate intracellular protozoan parasite belonging to the phylum apicomplexa, is the causative agent of bovine besnoitiosis. Besnoitiosis is responsible for significant losses in the cattle industry of Africa and Mediterranean countries due to the high morbidity rate, abortion and infertility in males. The acute stage of disease is associated with the proliferative forms (tachyzoites) and is characterized by fever, whimpery, general weakness and swelling of the superficial lymph nodes. During the following chronic stage, a huge number of cysts are formed mainly in the subcutaneous tissues. This process is non-reversible, and chronic besnoitiosis is characterized by hyper-sclerodermia, hyperkeratosis, alopecia and, in bulls, atrophy, sclerosis and focal necrosis that cause irreversible lesions in the testis. In this paper we report on the identification of large cysts in the skin of a cow and a bull in Portugal, which presented loss of hair and enlargement and pachydermis all over the body. The observation of a two-layered cyst wall within the host cell, the encapsulation of the host cell by a large outer cyst wall, and the subcutaneous localization of the cysts within the host, were characteristic for B. besnoiti. The parasites were isolated from the infected animals and successfully propagated in Vero cells without prior passages in laboratory animals. Morphological characterization of B. besnoiti tachyzoites and the amplification of the 149 bp segment from the internal transcribed spacer 1 (ITS1), aided with specific primers, confirmed the identification of B. besnoiti.
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Trichinellosis is one of the most important foodborne parasitic zoonoses, caused by nematodes of the genus Trichinella. Pigs and other domestic and wild animals, including red foxes (Vulpes vulpes), are sources of Trichinella infection for human beings. Trichinella britovi is the major agent of infection in sylvatic animals and the most important species circulating in the European wildlife. The present study aimed at assessing Trichinella spp. infection in red foxes from the North of Portugal. Forty-seven carcasses of wild red foxes shot during the official hunting season or killed in road accidents were obtained between November 2008 and March 2010. In order to identify the presence of Trichinella spp. larvae in red foxes, an individual artificial digestion was performed using approximately 30g of muscle samples. Larvae of Trichinella spp. were detected in one (2.1%) out of the 47 assessed foxes. After a multiplex polymerase chain reaction analysis, T. britovi was molecularly identified as the infecting species. The recognition of T. britovi in a red fox confirms that a sylvatic cycle is present in the North of Portugal and that the local prevalence of Trichinella infection in wildlife must not be ignored due to its underlying zoonotic risks.
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Encuadernación en papel timbrado y tintado en aguas.