فهرست مطالب alireza hadipour

The present research aimed at investigating the optimum use of resources in hospitals by estimating and comparing the utilization and cost of consumables in a large hospital in Iran during 2017-2018. The data were collected from the accrual accounting system, store invoices and executive management department. Descriptive statistics were performed. Excel was used for data analysis. Syringe and surgical gas had the highest and lowest cost items, respectively, among the hospital consumables. Surgical gas had also the greatest growth of consumables cost from 2017 to 2018 (114%). Emergency department and ICU had the highest consumption among hospital departments. Moreover, greatest increases in consumable costs were observed in laboratory (258%), and osteology (72%) and digestion (72%) departments. The findings also showed that although utilization of most of consumables had a decreasing trend, their cost increased (overall 45%) The high rate of general inflation, lack of utilization plan for consumables, and lack of supervision and monitoring system on resource consumption are among the reasons for the increasing trend of resource cost. Two last issues can be addressed by hospital administrators in order to control consumables cost.

In this paper, We purpose to analyze the large bending of elastic curved structures that found in the engineering, science and nature. We investigated large bending of an open sector circular cylindrical tube into a complete circular cylindrical tube such that the solid is modeled via an incompressible, homogenous and isotropic hyperelastic material. According to the finite deformation of the structure, in the compressed side of bended beam wrinkles and local buckling may appear. We interpret the onset this instability by using the theory of incremental deformation superimposed on the finite deformation and analytical WKB method for Mooney-Rivilin strain energy function is utilized and boundary loads are defined for bending analysis. Moreover, the instability and numbers of wrinkles is studied in detail. The main results are that the obtained bending conditions are depended on the sector angles before and after deformation, exterior traction and the numbers of wrinkles per surface area. The trend of changes and dependence of these geometric parameters are examined by drawing diagrams

The genus Eremostachys (Lamiaceae), consists of about 60 species which 15 species of Eremostachys grow wildly in the North-West of Iran. The rhizomes and roots of E. laciniata have traditionally been used as a local analgesic and for the treatment of rheumatic diseases and pain in the feet. This experiment was conducted in the North-West of Iran in 2012-2013, to evaluate morphological diversity. The samples were taken from 15 regions. Thirty traits including plant height, inflorescence height, root length, root fresh and dry weight was measured. Simple correlation analysis showed the existence of significant correlations among root yield and tuberous root length (r=0.62), main root length (r=0.53), tuberous root number (r=0.57) at p≤0.05 level and tuberous root diameter (r=0.85) at p≤0.01 level. ANOVA showed that populations in 27 of 30 traits had significant differences. Factor analysis via PCA explained over 75.5% of the variation related to main effective characters. Populations of E. laciniata separated into four groups by cluster analysis using Ward method. Results showed that three populations i.e. Marand, Hyderabad and Till had high quantities in most of the traits and can be used in breeding and production programs.