introduction: cost estimation is a important tool which assist the managers to plan and to control the economic functions of the organization. the present study aims to identify the cost of a cesarean surgery in one of the first class public hospitals in iran. methodology: reviewing all expenses of the hospital documents in the financial unit, the cost of a cesarean surgery was determined throu...

This paper reviews a cyclic scheduling model of repetitive manufacturing environments consisting of exible machines and multi-stage jobs. We explicitly model two system performance measures, throughput and ow time, while incorporating variability arising from uncertainty in operation processing times. We present an iterative approximation scheme to estimate the two moment behavior of our perfor...

unfortunately, the prevalence of cesarean section has increased in recent years. whereas awareness of the prevalence and causes is inevitable for planning and effective interventions, so aim of this study has designed and conducted for reviewing of systematic prevalence and caesarean causes in iran. in this meta-analysis, the required information have been collected using several keywords which...

in order to lighten the prestressed concrete solid members, nowadays, it is possible to make use of the advantage of hpc (fc'>60 mpa) as well as replacing the solid section with a psc thin-walled section for certain members such as circular and box columns. using the strength theory of aci, a numerical procedure along with a computer program was developed for the analysis of such sections ...