introduction this study determines the effect of prehospital time and advanced trauma life support interventions for trauma patients transported to an our trauma center. materials and methods this study was a retrospective study of trauma victims presenting to a trauma center in central iran by emergency medical services (ems) and hospitalized for more than 24 hours. demographic and injury char...

The design of extrusion dies depends on the experience of the designer. After the die has been manufactured, it is tested during an extrusion trial and machined several times until it works properly. The die is designed by a trial and error method which is an expensive process in terms of time and the amount of scrap. In order to decrease the time and the amount of scrap, research is going on t...

Das Benzoldimer ist ein Prototypsystem f r die Untersuchung nichtkovalenter Wechselwirkungen zwischen aromatischen Systemen, die durch Dispersionskr fte bestimmt werden. Es weist zwei miteinander konkurrierende Gleichgewichtsstrukturen auf: eine gekippte, T-fçrmige (edge-toface) und eine, in der die beiden Benzolringe parallel angeordnet, aber zueinander verschoben sind (stacked). Sowohl der ve...