نتایج جستجو برای: stress level

تعداد نتایج: 1475730  

Journal: :مجله دانشگاه علوم پزشکی کرمانشاه 0
iraj mohammadfam dept. of occupational health, school of public health, hamedan university of medical sciences, hamedan abdol rahman bahrami dept. of occupational health, school of public health, hamedan university of medical sciences, hamedan rostam golmohammadi dept. of occupational health, school of public health, hamedan university of medical sciences, hamedan farin fatemi dept. of occupational health, school of public health, hamedan university of medical sciences, hamedan hossein mahjub dept. of biostatistics & epidemiology, school of public health, hamedan university of medical sciences, hamedan

background: automobile manufacturing industries are considered among the main sites where accidents are likely to happen. from a cognitive point of view, stress can cause problems such as poor concentration, absent-mindedness, and hesitancy while making decisions. this study examines the relationship between job stress and occupational accidents in an automobile manufacturing company. methods: ...

Journal: :journal of dentistry, tehran university of medical sciences 0
mahvash mousavijazi assistant professor, dental research center and department of periodontics, school of dentistry, tehran university of medical sciences, tehran, iran. aniseh naderan mitra ebrahimpoor maryam sadeghipoor

based on the evidence regarding the relationship between inflammatory processes and stress responses, the present study investigated the association between psychological stress and elevation of inflammatory mediators related to periodontal disease in adult patients.the study consisted of 50 patients including 25 patients with chronic periodontitis and 25 cases with aggressive periodontitis. tw...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1340

چکیده ندارد.

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1390

مرحله گذارقطع یک راهکار بسیارسودمند جهت تجزیه وتحلیل سری های زمانی تصادفی است. مادراین پایان نامه با معرفی این روش به تحقیق در مورد سری های زمانی فواصل ضربان قلب و سری زمانی شاخص بورس سهام چندشرکت وزبری سطح دررشد لایه های نازک می پردازیم. دراین روش می توان بااستفاده از تابع توزیع چگالی احتمال ?_?^+ نسبت به ? وهمچنین تابع توزیع چگالی احتمال بیشترین نقاط برخورد نسبت به مقدار شیب، تمایز قلب سالم و...

Journal: :مجله علوم اعصاب شفای خاتم 0
mandana sadat ghafourian department of electronic & computer engineerin, bioelectric faculty, khaje nasir toosi university of technology, tehran, iran amin noori electrical engineering and biomedical engineering faculty, sadjad university of tecnology, mashhad, iran

anxiety disorders are the most common reasons for referring to specialized clinics. if the response to stress changed, anxiety can be greatly controlled. the most obvious effect of stress occurs on circulatory system especially through sweating. the electrical conductivity of skin or in other words galvanic skin response (gsr) which is dependent on stress level is used; beside this parameter pe...

Journal: :IOP Conference Series: Materials Science and Engineering 2020

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