acknowledgements i wish to express my gratitude to all those who have helped me in preparing this thesis. i would like to express my deep gratitude to my respected advisor dr. kourosh akef, whose advice and comments helped me in the early stages of the research and throughout the writing process. i would also like to express my gratitude to dr. hajar khanmohammad whose invaluable guidance he...

Background and Aim: The pandemic of coronavirus as an emerging virus is still prevalent around the world, which in addition to high mortality, numerous economic losses, is a serious threat to the health of the world and has social and security consequences. The gap in knowledge about the cause, treatment options, and mortality of high COVID-19 has increased speculation about it and confused pol...

INTRODUCTION: The Islamic Republic of Iran Red Crescent Society, which is one of the elements of the country’s crisis management organization, is always present at the scene from the earliest moments in the critical situations such as floods, earthquakes, fires, etc. and deals with the crisis and facilitates the situation. Given the increasing role of technology in all aspects of human life, th...

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

the present paper investigates how far ideologies can be tease out in discourse by examining the employed schemata by two ideologically opposed news media, the bbc and press tv, to report syria crisis during a period of nine months in 2011. by assuming that news is not a valuefree construction of facts and drawing on micro structural approach of schema theory, for the first time in discours...

INTRODUCTION: In Iran, natural disasters are constantly increasing; however, no research has clearly explained the indicators of resilience in such situations. Resilience enhances internal strengths and protects against potential threats to maintain and promote the health of the community. The present study aimed to design a crisis resilience model based on the institutionalization of organizat...

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...