Intermittent arc grounding fault frequently occurs in non-solidly earthed networks.Establishing an accurate arc model is the basis for analysis of fault characteristics.First of all, an improved cybernetic arc model is introduced in this study, which can effectively demonstrate arcing process through controlling the arc length, and which is applied

Searching similar pictures for a given picture is an important task in numerous applications, including image recommendation system, image classification and image retrieval.Previous studies mainly focused on the similarities of content, which measures similarities based on visual features, such as color and shape, and few of them pay enough attent

O objetivo deste estudo é analisar as condições de saúde nos municípios paranaenses verificando quais deles melhor otimizam os recursos disponíveis, consequentemente ofertando mais e melhores serviços à população.Neste enfoque, primeiramente procurou-se caracterizar a saúde pública no Brasil, no estado do Paraná e em seus municípios.E