This article demonstrates the feasibility of converting Iran’s 40MWt heavy-water research reactor at Arak (the IR-40) to use low-enriched uranium fuel in order to slow the production of weapon-usable plutonium. Two methods are proposed, and both retain identical power density, thermal-hydraulic, and safety profiles as the original design and require no physical alteration of the core. They can ...

locating landfills in urban areas is one of the most important issues in urban planning because of the effect on economy, ecology, and environment, therefore the right management and principled landfilling of solid waste is the major concern all over the world especially in the developed countries. in locating landfills, different criteria should be considered. in the present study, locating si...

Locating landfills in urban areas is one of the most important issues in urban planning because of the effect on economy, ecology, and environment, therefore the right management and principled landfilling of solid waste is the major concern all over the world especially in the developed countries. In locating landfills, different criteria should be considered. In the present study, locating si...

There are studies about interlocal relations of local governance, but it would be unique to explain these in urban management mechanisms of unitary country in Middle East, like Iran. One of the important issues for the city's urban management system is its state actors’ interrelations and probable challenges of this process, which mentioned by terms like inter-local, intergovernmental, or inter...

background: zoonotic cutaneous leishmaniasis (zcl) due to leishmania major is increasing in many parts of iran. this disease originally is a disease found in gerbils. leishmania parasites are transmitted by sandflies that live and breed in gerbil burrows. nested pcr amplified leishmania its1-5.8s rrna gene in both main reservoir host “rhombomys opimus” and in the “phlebotomus papatasi” main vec...

tourism and the economy at the moment, change has been the main pillars of business wiki world stowe plays a vital role in the global economy. moreover, many planners and policy makers also learn to develop the tourism industry as the main pillar. activities related to tourism and related services in a region, like many economic sectors in the areas of need is mvrdmnsha’n. the importance of the...

b a ckground: type  2  diabetes  (t2d)  is  an  increasing  public  health  problem primarily because of increase in the prevalence of a sedentary lifestyle and obesity. the aim of this study was to evaluate the efficacy of self-management education on metabolic control in adults with t2d. m ethods : in a quasi-experimental study, 300 patients with t2d recruited from the diabetes society of nat...

This study recommends a GIS-based (Geographic Information Systems) and multi-criteria evaluation for site selection of gas power plant in Natanz City of Iran. The multi-criteria decision framework integrates legal requirements and physical constraints related to environmental and economic concerns. It also builds a hierarchy model for gas power plant suitability. The methodologies used for site...