having access to locations struck by natural environmental disasters is one of the chief necessities in urban disaster management. this paper aims to study different physical and semi-physical patterns for increasing access to different districts in a city through applying changes to the present network of routes. to attain this goal, district 6 of tehran municipality was selected for the case ...

data grid is an infrastructure that controls huge amount of data files, and provides intensive computational resources across geographically distributed collaboration. the heterogeneity and geographic dispersion of grid resources and applications place some complex problems such as job scheduling. most existing scheduling algorithms in grids only focus on one kind of grid jobs which can be data...

background: arteriovenous fistula (avf)is the ideal method of vascular access for patients on maintenance hemodialysis (hd).therefore it is an important part of treatment in hd.there are several observations that indicate the role of inflammation in failure of avf.the aim of this study was to evaluate the hematologic and inflammatory biomarkers in early avf failure.   methods : this case-contro...

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