Background: The purpose of this work is to discover and analyze errors and incidents in some radiotherapy centers, and to introduce methods that could reduce their occurrences, especially those which had happened due to the use of improper and inadequate equipment. This work is a first step toward clarifying the role of education in a risk-conscious culture, and changing the attitude of radioth...

this study examined historical and religious characters and events emanating myth of phoenix manifesting renewal and resurrection after death and destruction in adonis’s poetries. these concepts is symbols of realities in arabic societies. adonis described the society in vortex of leeway, inaction and absolute death. considering phoenix as a symbol of revolutionary human, adonis tried to back t...

assessment of watershed management activities is one of the main subjects for future planning of practical projects and natural resources management. due to the lack of any tool for assessment of watershed processes in many cases, distributed hydrological models can be useful. the purpose of this study was evaluation of watershed management activities in kan watershed by hec-hms (hydrologic mod...

Abstract The current work makes use of eight years electron density data observed by the Swarm constellation to study characteristics equatorial ionospheric single crest phenomenon recorded at altitudes these satellites. features crests have been investigated different and geomagnetic activity levels. Results showed that occurrence rate a was not significantly between lower higher satellite alt...