905 resultados para Espaço e tempo


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Introduction: The HELLP syndrome is a severe complication of pregnant women with preeclampsia (PE), characterized by association of hemolysis, changes in liver enzymes and thrombocytopenia. Hemolysis, defined by the presence of microangiopathic hemolytic anemia, is one of the characteristics in this syndrome. However, as hemolysis occurs in a short time there is some difficulty in its laboratory diagnosis. Therefore, the search for a more sensitive and specific method for hemolysis determination may help in the early diagnosis of the HELLP syndrome. Objectives: a) To determine the plasma concentration of haptoglobin in normotensive pregnant women and in pregnant women with PE, classified into mild PE, severe PE and HELLP/partial HELLP syndrome; b) To compare the efficacy of haptoglobin plasma concentration and serum total bilirubin as criteria for hemolysis diagnosis in HELLP/partial HELLP syndrome. Methods: We conducted a cross-sectional analytical and comparative study involving 66 pregnant women diagnosed with PE, being 25 cases with mild PE, 28 with severe PE, and 13 with HELLP/partial HELLP syndrome. Twenty-one normotensive pregnant women were included for comparison of haptoglobin plasma concentration between the groups and to determine the normal values for pregnant women. The variables studied were: maternal age, gestational age, systolic and diastolic blood pressure, proteinuria, hematocrit and hemoglobin values, platelet count, serum total bilirubin, lactate dehydrogenase (LDH), glutamic oxaloacetic transaminase (AST) and glutamic-pyruvic transaminase (ALT), urea, creatinine and uric acid, and also plasma concentrations of haptoglobin. The results were analyzed by nonparametric tests, with a significance level of 5%. Results: The values of urea, uric acid, AST, ALT and LDH were significantly higher, while the number of platelets was lower in pregnant women with HELLP/partial HELLP syndrome compared to pregnant women with mild PE and ...

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Pós-graduação em Engenharia Elétrica - FEIS

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Thinking about the correlations between linguistic variation and education is both necessary and urgent if we wish to make language teaching more appropriate, fairer and more meaningful. I take, on one hand, already well-established concepts derived from research on language: the variable nature of language (in space, time, situations) and the intrinsic relationship between this variation and social structure, the communicative needs of speakers, the needs and desires that speakers have to build their social identity. On the other hand, we found out that the teaching of Portuguese language has usually been based on a vision that assumes the language as a static reality. I propose to contrast the two components of this issue, to reveal where, and if, any relationship has been established, and where it is to be built. In the first instance, I seek to evaluate the bond – how one speaks about change when this issue comes to be focused; in the second, I seek the reasons for absence - ignorance or indifference?

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Th is article proposes a refl ection on the chronotope, considering its infl uence on the forms of cultural expression coming from segregated urban spaces in Brazil. Th e article deals, specifi cally, with Carioca Funk as a cultural expression and an integral part of the hip hop movement in Rio de Janeiro. With this aim in view, this work is based on the Bakhtin Circle proposals and some sociological refl ections on the approached subject.

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The knowledge of the facial growth trend is very important in orthodontic treatment. A lateral headfilm is recommended in all young patients undergoing a preorthodontic guidance program to anticipate the best time to begin any mechanical procedures and the possibilities to determine the type of facial growth trend. In type A it will be observed that the middle and lower face are growing forward and downward in unison, with no change in ANB angle. Type B growth trends reveals that growth is downward and forward, with the middle face growing forward more rapidly than the lower and in type C the lower face is growing downward and forward more rapidly than the middle face revealing a decrease in the size of the ANB angle.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Agronomia (Energia na Agricultura) - FCA

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Pós-graduação em Física - FEG

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This work explores the flash mobs, which are flash mobilizations arranged by intent that involve a large number of people to do something together in a pre-arranged place. With the advent of 2.0 Internet, the sharing of information and the mobile virtual communication grown up and showed behavior of an individual person to meet for a common interest. Those affective relationships born in the social networks come to the urban space in a real-virtual space junction and the possibilities of that are unexplored yet. Studied by this work, the Y generation is the flash mob most popular public and uses those mobilizations to reinforce their fan identity and appreciation for a media product

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One of the most primal ways of human work already known is the tessellation and ginning for the production of fabric and clothing - what used to be, back in those days, statement of power and status. The arrival of the Industrial Revolution - in the middle of the XVIII century at Britain - increased the textile industry production, and what used to be manufactured and hard to obtain, starts then to be produced in mechanical ways and large-scale. Despite all the boost given to the economy of an expanding capitalist market, it should be pointed out the consequences of this major industrialization, especially the environmental ones, more and more concerning nowadays. The emissions of waste - that sometimes could be toxic - in effluents can possibly contaminate the aquatic ecosystems, causing a huge damage to its fauna and flora, affecting therefore all the biodiversity, reaching inclusively the humans. To avoid these problems, a few strategies have been taking place in the attempt to eliminate - or at least reduce - the amount of dye found in the effluents, and as the textile industry constantly leaves waste, efficient methods - that present good results in a short period of time - with a low cost are needed. The present study will test the bioremoval capacity of yeast (Saccharomyces cerevisiae) in contact with dyes in a fix concentration, diluted in water with three different pH values. The tests will be done duplicate, and after the concentration analyses - made by spectrophotometry - it will be analyzed which pH shows major efficiency in the dye removal and what is the influence of the biomass in this process

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This study arose from many issues that permeated the undergraduate degree in Education about the role of schools in society, and how this, which also represents space and time, has influenced the lack of pleasure in learning of school students fundamental. Thus, we intend to review the context of the formal school emergence in Brazil, noting its social function and compare the changes in the initial model to the present day. The aim is also to analyze the writing of a group of students about school design, which was transferred by a teacher who participates in the Extension Project: Teacher Education for Specialized Educational Support Services to Students with Learning Disabilities in order to articulate the extent to which the school contributes to the feeling of not belonging student at school. It is a qualitative research, which was used initially on a review and written analysis procedure

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)