Abstract In this paper, Markov chain and dynamic programming were used to represent a suitable pattern for tax relief and tax evasion decrease based on tax earnings in Iran from 2005 to 2009. Results, by applying this model, showed that tax evasion were 6714 billion Rials**. With 4% relief to tax payers and by calculating present value of the received tax, it was reduced to 3108 billion Rials. ...

this study aims to give data concrning phantom material made in iran i'rom a natural rubber which is used for obtaining calibration data for patient dose measurements in nuclear medicine applications of radionuclides for therapy and diagnosis.is showed to be a tissue equivalent material cheap (25000 rials the material itself and 35000 rials the process of casting and moulding etc.), easily avai...

schemic stroke is the most feared complication of atrial brillation, and many studies have investigated strategies to educe cerebral embolism. Anticoagulation with warfarin is emarkably effective in reducing the risk of ischemic stroke mong patients with chronic atrial fibrillation (1) and has ecome standard therapy. More recently, four randomized rials (2–5) have shown that a strategy of aggre...

abstract one of the major aspects of water resources management in the arid and semi-arid regions is the use of unconventional water sources such as effluents from wastewater treatment plants. as a result, assessment of water supply potential as well as fertilizer values of these unconventional water sources is an important issue in any comprehensive resource management program. in this study, ...

Breast conserving surgery with adjuvant radiation therapy is supported by mult iple clinical t rials as being a safe alternative to total mastectomy. 2 Outlined by Arm I of RTOG Protocol 1005, 1 one current standard of care for external beam radiation (EBRT) is delivery of 50 Gray (Gy) in 25 fract ions to the whole breast with a sequential 12 Gy photon or electron boost to the post-lumpectomy b...

Background: In Iran, a combination of three methods of budget payment, fee for service and case-based payment (known as the global payment system) is used to reimburse the cost of hospital services. The aim of this study was to investigate the costs of 90 services of the Global Hospital Reimbursement System at Tehran University of Medical Sciences. Methods: This descriptive cross-sectional app...

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The current review goal to provide a thorough understanding of the nanocom- posite coating steel for industrial applications. Based on findings from recent research, we will go into detail here about several mate- rials, deposition methods, and challenges associated with creating best steel. two primary categories in which this article has been prepared are. In first part, anti-corrosion coatin...