986 resultados para tastiera virtuale Android Arduino Due virtual keyboard


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This paper records the plants used in the treatment of cutaneous leishmaniasis due to Leishmania (Viannia) braziliensis (L(V)b) among the rural population of a cocoa- producing coastal area of Bahia state, Brazil. An enquiry conducted among a hundred patients identified 49 plant species used to treat skin ulceration caused by this Leishmania species. The principal plants used are caju-branco (Anacardium occidentale - Anacardiaceae), used by 65% of the population, folha-fogo (Clidemia hirta - Melastomataceae) 39%, alfavaca-grossa (Plectranthus amboinicus - Lamiaceae) 33%, mastruz (Chenopodium ambrosioides - Chenopodiaceae) 31%, erva-de-santa-maria (Solatium americanum - Solanaceae) (25%) and transagem (Plantago major - Plantaginaceae.) 2%.

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The authors report a case of adenovirus- induced enlargement of the parotid gland involving a patient infected with human immunodeficiency virus (HIV). Physical examination revealed good general condition, no fever and bilateral enlargement of the parotid region, which was of increased consistency and slightly tender to palpation. Histological examination of the parotid gland demonstrated a slight periductal lymphomononuclear inflammatory infiltrate with the presence of focal points of necrosis. Tests to determine the presence of fungi and alcohol-acid resistent bacilli were negative. Immunohistochemistry for cytomegalovirus, heipes simplex, HIV p24 antigen and adenovirus showed positivity only for adenovirus in the epithelial nuclei of numerous gland ducts. Tins is the third case of this type reported in the literature, indicating the importance of including adenovirus in the differential diagnosis of this condition.

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Dissertação para a obtenção do Grau de Mestre em Engenharia e Gestão da Água

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A Work Project, presented as part of the requirements for the Award of a Masters Degree in Management from the NOVA – School of Business and Economics

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Dissertation submitted in partial fulfillment of the requirements for the Degree of Master of Science in Geospatial Technologies.

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Dissertação para obtenção do Grau de Mestre em Engenharia Informática

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Dissertação de Mestrado em Ciências da Comunicação ‐ Culturas Contemporâneas e Novas Tecnologias

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The figure and the oeuvre of Carlos Seixas (1704-42) were rediscovered in the 1930s chiefly by the British musicologist Macario Santiago Kastner (1908-92), whose writings and editions raised the attention of international scholars and interpreters for the Portuguese composer. Nevertheless, and in spite of an unusual editorial tradition for Portuguese standards, a critical appraisal of the body of sources of Seixas' keyboard sonatas has never been attempted, to the point of even impeding the knowledge of how many there really are. This article deals briefly with the issues of source situation, authorship attribution and the distinctive characteristics of Seixas' style, offering a preliminary catalogue of the sonatas and a description of four of the manuscript collections containing them, housed at the National Library of Portugal. Textual peculiarities and problems of works surviving in more than one source are examined and the question of text 'banalization' by means of the incorporation of performance practice gestures is also discussed, advancing the hypothesis of the existence of two different traditions for some of the sonatas―one written and one 'oral'―that merge in the texts known to us.

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Data on Schistosoma mansoni-Entamoeba histolytica coinfection are scarce in the literature. In the present study, hamsters that had been infected for 70 days with Schistosoma mansoni (LE strain) were inoculated via the portal vein with two strains of trophozoites of Entamoeba histolytica: ICB-EGG (highly virulent) and ICB-RPS (non-virulent). The most evident result of coinfection was increased morbidity and mortality, in comparison with either of the infections alone. Histologically, there were no evident signs of interaction between these two infections. The morphological findings of schistosomal granuloma and amoebic abscesses in the liver were similar to those seen in the respective single-infection controls. However, there was severe wasting of the animals with both infections and greater numbers of amoebic lesions in their livers. The results obtained indicated that schistosomiasis aggravates the course of amoebiasis in hamsters.

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The first two cases of scorpion envenoming caused by Tityus neoespartanus (Buthidae) are described. The accidents took place within human environments (one inside a home and the other inside a school), in the village of La Sierra, Margarita Island, State of Nueva Esparta, northeastern Venezuela. Both cases were moderately severe and developed pancreatic involvement and electrocardiographic abnormalities. This report allows inclusion of Margarita Island among the endemic areas of scorpionism in Venezuela.

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Esta investigação visa estudar a forma como os materiais educativos em ambientes interactivos e dinâmicos, no CD-ROM da Escola Virtual, desenvolvem a competência dos alunos na aprendizagem da geometria e em particular, no tema relativo ao método cartesiano no plano. A metodologia de investigação insere-se no paradigma interpretativo e segue uma abordagem qualitativa. Foi seleccionada uma turma do 11.º ano de escolaridade de um curso profissional, de uma Escola Secundária do distrito de Lisboa. A recolha de dados decorreu ao longo de dois meses, e recorreu a técnicas diversas como observação das aulas, questionários, registo vídeo, entrevistas e seu registo áudio. Os resultados obtidos neste estudo permitem concluir que a utilização do CDROM da Escola Virtual foi muito vantajosa no desenvolvimento do método cartesiano do plano e que a interactividade e animação gráfica presente contribuíram para uma boa compreensão dos conteúdos. Contudo, verificou-se que as potencialidades, dinâmicas e interactivas desta ferramenta nem sempre são suficientes e eficazes para a compreensão e apropriação de conceitos, por parte dos alunos. Quando os alunos não conseguem acompanhar as explicações no CD-ROM, o professor tem um papel preponderante, no sentido de os orientar, na procura de informação, ou de os ajudar na superação das dificuldades. Também permitiu concluir, que a utilização do CD-ROM influenciou de modo positivo a motivação dos alunos e favoreceu o trabalho colaborativo. A aprendizagem dos conceitos matemáticos processou-se a partir das interacções entre os grupos e entre os elementos de cada grupo, e através das acções mediadas pelos artefactos, designadamente o CD-ROM da Escola Virtual e seus recursos.