S Mahdavi
[ 1 ] - Changing trends in the abundance and biomass of cyanobacteria in the southern part of the Caspian Sea in 2009 (The stretch between Tonekabon and Amirabad)
Changes in abundance and biomass of cyanobacteria have been studied in the southern part of the Caspian Sea (the stretch between Tonekabon and Amirabad) in four seasons (spring, summer, autumn, winter) in which samples were taken from five depths of 5, 10, 20, 50 and 100 meters in the stations of Tonekabon, Noushahr, Babolsar and Amirabad. Samples were fixed in formalin (2-2.5%) before transfer...
[ 2 ] - Comparing the Core Body Temperature and the Heat Stress indices of HSI and WBGT in lorestan Steels Industry Workers
Background & Aims of the Study: Heat Stress is a major factor in many industrials and heat stress is one of occupational hazards in the workplace and severely affects the health and productivity, heat stress can decrease efficiency, increase accidents and reduce safety levels. Aim of this study was comparing the heat stress indices of HSI and WBGT and core body temperature in steels ind...
[ 3 ] - بررسی اختلالات اسکلتی عضلانی به روش QEC در بین جوشکاران شهر خرم‌آباد در سال 1394
Background: Based on recently conducted research, the reason for more than half of the absences from the work environment and one-third of the work-related compensation claims is attributable to musculoskeletal disorders. This study aimed to evaluate musculoskeletal disorders and assess the risk of these disorders among the welders of Khorramabad, Iran. Materials and Methods: This descriptive-...
[ 4 ] - Changing trends in the abundance and biomass of cyanobacteria in the southern part of the Caspian Sea in 2009 (The stretch between Tonekabon and Amirabad)
Changes in abundance and biomass of cyanobacteria have been studied in the southern part of the Caspian Sea (the stretch between Tonekabon and Amirabad) in four seasons (spring, summer, autumn, winter) in which samples were taken from five depths of 5, 10, 20, 50 and 100 meters in the stations of Tonekabon, Noushahr, Babolsar and Amirabad. Samples were fixed in formalin (2-2.5%) before transfer...
[ 5 ] - Safety assessment of glycol recovery unit in a gas refinery by failure mode and effects analysis technique
Background: The reliability and safety of gas refineries are strongly associated with the reliability of other parts of the system. Defect and failure in one part of a system can cause total system breakdown or accident. The failure and damage in these equipment such as transformers and boilers results in not only the equipment damage and human injuries but also productivity reduction. The purp...
[ 6 ] - Evaluation of the risk of musculoskeletal disorders using Rapid Entire Body Assessment among hairdressers in Khorramabad, Iran, in 2014
Background: Work-related musculoskeletal disorders (WRMSDs) are considered a major factor in health problems, human injuries, and loss of work time. The aim of the present study was to assess the risk of musculoskeletal disorder (MSD) and evaluate the prevalence of MSD among female hairdressers. Materials and Methods: In this descriptive analytical study, the risk of MSDs was e...
[ 7 ] - طراحی و ساخت سپر الکترومغناطیس دولایه نوین در برابر پرتوهای راداری
مقدمه مطالعه حاضر با هدف طراحی و ساخت سپر نانوکامپوزیتی دولایه نوین، جهت کنترل شدت پرتوهای راداری باند بسامدی ایکس صورت گرفته است. مواد و روشها از رزین اپوکسی و نانوذرات اکسید نیکل به عنوان بستر و فیلر استفاده شد. سپرهای دولایه با قرارگیری سپرهای تک لایه بر روی یکدیگر در 9 درصد وزنی مختلف و 3 ضخامت متفاوت تهیه شدند. اثربخشی حفاظتی سپرهای دولایه با استفاده از دستگاه تحلیلگر شبکه و در باند بس...
[ 8 ] - مقایسه ارزشیابی عملکرد آموزشی اعضای هیأت علمی توسط دانشجویان با خودارزیابی آن‌ها
مقدمه: موضوع ارزشیابی عملکرد آموزشی اساتید فاکتور بسیار مهمی جهت برنامهریزی و بهبود وضعیت آموزشی در دانشگاهها میباشد. این مطالعه با هدف مقایسه ارزشیابی عملکرد آموزشی اساتید تـوسط دانشجویان با خودارزیابی اساتید انجام شد. روشها: در این مطالعه که به روش توصیفی – تحلیلی در دانشکده بهداشت، تغذیه و پیراپزشکی دانشگاه علوم پزشکی لرستان انجام شد. تعداد 31 نفر از اساتید به روش سرشماری انتخاب شدند...
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