Gastroesophageal Reflux Disease: Medical or Surgical Treatment?

Background.Gastroesophageal reflux disease is a common condition with increasing prevalence worldwide.The disease encompasses a broad spectrum of clinical symptoms and disorders from simple heartburn without esophagitis to erosive esophagitis with severe complications, such Gear Shift Products as esophageal strictures and intestinal metaplasia.Diag

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Theoretical evaluation of the tritium extraction from liquid metal flows through a free surface and through a permeable membrane

Effective tritium extraction from PbLi flows is a requirement for the functioning of any PbLi based breeding blanket concept.For a continuous plant operation, the removal of the tritium dissolved in the PbLi has to be performed in line and sufficiently fast.Otherwise, tritium inventories in the liquid metal, start-up inventories and buffer inventor

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