Martina Nania

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BACKGROUND Trace elements have been hypothesised to be involved in the pathogenesis of Multiple Sclerosis and volcanic degassing is the major natural sources of trace elements. Both incidence of Multiple Sclerosis in Catania and volcanic activity of Mount Etna have been significantly increased during the last 30 years. Due to prevailing trade winds(More)
Recently available on the market the emitter switched bipolar transistor (ESBT) having high voltage breakdown, low voltage drop, and low switching losses as well, represents an interesting alternative to other power transistors thus giving a new chance to further improve the system efficiency. This paper deals with a new silicon technology used to produce a(More)
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