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BACKGROUND Exposure to urban pollution may cause respiratory diseases in traffic policemen, especially in very polluted cities. The aim of this study was to investigate respiratory symptoms and pulmonary function in traffic police officers in a 5-year follow-up. METHODS A 5-year follow-up on FEV1 (forced expiratory volume in one second), FVC (forced vital(More)
In waters surrounding James Ross Island (JRI), which is generally inaccessible, high chlorophyll-a concentration [Chla] can often be detected during summer periods by ocean color imagery. The region is influenced by a retreating sea ice edge from Weddell Sea and freshwater runoff from JRI glaciers, factors that probably trigger phytoplankton growth. In this(More)
Microalgae are unicellular organisms that have different shapes, sizes and structures. Classifying these microalgae manually can be an expensive task, because thousands of microalgae can be found in even a small sample of water. This paper presents an approach for an automatic/semi-automatic classification of microalgae based on semi-supervised and active(More)
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