مهری, احمد

[ 1 ] - مدلسازی پیامد نشت هگزان از مخازن ذخیره هگزان و تدوین برنامه واکنش در شرایط اضطراری در یک مجتمع پتروشیمی (مطالعه موردی)

Background and aims: Leakage of toxic and hazardous substances in the chemical and process industries always had been one of the factors threatening the workers and residents of the industries. The purpose of this study is modeling of hexane emissions planning emergency response program. Methods: In this study we describes the factors affecting discharging release of material and ALOHA ...

[ 2 ] - مطالعه تاثیر صدای ترافیک بر عملکرد شناختی رانندگان

Background and aims:Traffic noise is one of the most important environmental pollutants. World health organization has determined the health effects of community noise including cognitive performance disorders. The aim of this research is the study of effects of road traffic noise on peripheral perception and choice reaction time performance drivers.methods: thirty and five students from the fa...

[ 3 ] - تاثیر صدای ترافیک بر عملکرد ذهنی با توجه به پیچیدگی فعالیت

Introduction: Traffic noise has been thought as a major environmental stress in modern societies, and the cause of physiological and psychological disorders according to the World Health Organization. Moreover, traffic noise can interfere with mental performance. However, there is little coherent evidence showing the effect of traffic noise on individuals’ performance. Hence, this paper aimed t...

[ 4 ] - Effect of occupational exposure to extremely low frequency electromagnetic fields on level of thyroid hormones effective on fatigue

Background: The aim of this study was to assess exposure to extremely low frequency electromagnetic fields (ELF-EMFs) and its effects on secretion of thyroid hormones associated with symptoms of fatigue on electric arc welding workers. Methods: This study was carried out on two groups including 35 welders (as exposed) and 35 non-welders (as control). Extremely low frequency electromagnetic fie...