introduction: increasing costs of health and treatment services has led health economics specialists and even physicians in all countries to seek new methods for controlling and reducing costs in medical and health services. the present study was aimed to estimate the costs of a cardiac care unit (ccu) in a governmental hospital in iran. methods: in order to determine the end cost, a stepwise p...

Abstract. We use PyBox, a new numerical implementation of the box-model approach, to reproduce pyroclastic density current (PDC) deposits from Somma–Vesuvius volcano (Italy). Our simplified model assumes inertial flow front dynamics and mass deposition equations axisymmetric conditions inside circular sectors. Tephra volume total grain size distribution EU3pf EU4b/c, two well-studied PDC units ...