825 resultados para Assessment and evaluative practices
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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The Brazilian relief, predominantly composed by small mountains and plateaus, contributed to formation of rivers with high amount of falls. With exception to North-eastern Brazil, the climate of this country are rainy, which contributes to maintain water flows high. These elements are essential to a high hydroelectric potential, contributing to the choice of hydroelectric power plants as the main technology of electricity generation in Brazil. Though this is a renewable source, whose utilized resource is free, dams must to be established which generates a high environmental and social impact. The objective of this study is to evaluate the impact caused by these dams through the use of environmental indexes. These indexes are ratio formed by installed power with dam area of a hydro power plant, and ratio formed by firm power with this dam area. In this study, the greatest media values were found in South, Southeast, and Northeast regions respectively, and the smallest media values were found in North and Mid-West regions, respectively. The greatest encountered media indexes were also found in dams established in the 1950s. In the last six decades, the smallest indexes were registered by darns established in the 1980s. These indexes could be utilized as important instruments for environmental impact assessments, and could enable a dam to be established that depletes an ecosystem as less as possible.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Aim: To assess the DMFT (D = decayed; M = missing; F = filled) index of institutionalized patients with mild and moderate physical and mental disabilities and to correlate it with the Streptococcus mutans (S. mutans) counts in the supragingival bacterial biofilm. Methods: Dental examination of 28 patients aged 15 to 25 years was conducted to determine the DMFT index (number of decayed, missing and filled teeth). Supragingival plaque samples were collected from the buccal surfaces of all teeth. The samples were inoculated in SB20 medium and incubated at 37 °C for 48 hours. Spearman's correlation test was applied (p = 0.05) to evaluate the correlation between the DMFT index and the amount of S. mutans. Results: The mean DMFT recorded was 7.68 and a large mean number of S. mutans colony-forming units (cfu > 10 6) was found. No statistically significant correlation was found between the DMFT index and the number of S. mutans. Conclusions: Under the conditions of this study, no correlation was found between the DMFT index and the number of S. mutans cfu in institutionalized patients with mental retardation and physical disabilities.
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Includes bibliography
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Includes bibliography
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Informe de la mision realizada para evaluar el estado de las estadisticas vitales en las Islas Virgenes Britanicas, y estudiar la forma de mejorar los sistemas de recoleccion y entrega de datos.
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Analiza la importancia de una evaluacion del impacto ambiental de los proyectos de desarrollo turistico en la region.
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Includes bibliography
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With external conditions sluggish and highly uncertain as the global economy still struggles to shake off the effects of the economic crisis of 2008-2009, the Latin American and Caribbean region is not isolated from these effects and is projected to record a small drop in gross domestic product (GDP) in 2015, followed by a weak recovery in 2016. Against this backdrop, 2015 will be the third consecutive year of increasing declines in regional export values; a state of affairs not seen since the Great Depression of the 1930s. This poor performance reflects the end of the commodity price boom, the slowdown of the Chinese economy, the weak recovery of the eurozone and the lacklustre economic activity in the region, particularly in South America.