this article has considered the volume and direction of iran’s trade using the gravity model. the major issue in this analysis is to explore why iran over or under-traded with the 76 countries relative to the predicted trade flows of the model. the study attempts to explore the reasons from the respect of both the model itself and iran’s trade structure. this is done by analysing the performanc...

Hard rock aquifers for the purpose of this Paper mean the non-carbonate, fractured rock aquifers in the terrain covered by crystalline basement complex, metamorphic rocks and also by extensive effusive volcanic rocks like the basalts of western India (Deccan traps. Ground water development in hard rock aquifer areas has always played a secondary role compared to that in the areas having high-yi...

Background The migration of dentists is a major policy challenge facing both developing and developed countries. Dentists from over 120 countries migrate to Australia, and a large proportion are from developing countries. The aim of the study was to assess the life story experience (LSE) of migrant dentists in Australia, in order to address key policy challenges facing dentist migration.   Meth...

background: diabetes is a worldwide problem nowadays. the present study was designed to assess the productivity of research on diabetes and to evaluate the gap between the burden of diabetes and research on diabetes, in both developed and developing countries. materials and methods: an extensive search in pubmed database for diabetes publications, using diabetes as the mesh term, was carried ou...

although there are remarkable differences in drivers’ behavior as well as vehicles characteristics, road capacity estimationmethods in developing countries are same as developed ones. so, the discrepancy between the theoretical andpractical values of capacity is inevitable. although, capacity estimation methods can be classified based on numerousparameters, in developing countries, the availabi...