نتایج جستجو برای: work load

تعداد نتایج: 1077161  

Journal: :journal of health sciences and surveillance system 0
samira mirzaei department of occupational health, school of health, shiraz university of medical sciences, shiraz, iran zahra zamanian department of occupational health, school of health, shiraz university of medical sciences, shiraz, iran jafar hasan zade department of epidemiology, school of health, shiraz university of medical sciences, shiraz, iran

background: the present study aimed to investigate the effects of work shifts and mental workload on chronic fatigue among female nurses in intensive care units of selected hospitals in shiraz.   methods: the participants in this cross-sectional study were 118 female nurses working in intensive care units of three hospitals in shiraz with an average age of 304.8± years. sp (samn-perelli) mental...

Journal: :The Japanese journal of ergonomics 1995

Journal: :تحقیقات نظام سلامت 0
حبیب اله دهقان گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشکده بهداشت دانشگاه علوم پزشکی اصفهان، اصفهان، ایران سیف اله غریب کارشناسی ارشد مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشکده بهداشت دانشگاه علوم پزشکی اصفهان، اصفهان، ایران حسینعلی یوسفی ریزی گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشکده بهداشت دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

background: noise is one of the annoying agents in the environment and it is harmful agent in workplaces that its occurrence with work load, there are in many workstations. the aim of this study was to determine the combined effects of exposure to noise and work load on heart rate changes. methods: this cross-sectional study performed on 14 male students into climatic chamber in 2011.the mean ±...

Journal: :journal of paramedical sciences 0
rasool hemmatjo occupational health faculty, bousher university of medical sciences, bushehr sajad zare department of occu¬pational health, school of public health, tehran university of medical sciences, tehran akbar babaei heydarabadi department of public health, student`s committee research, faculty of health, shahid beheshti university of medical sciences, tehran abdollah hajivandi occupational health faculty, bushehr university of medical sciences, bushehr

heat stress is a significant occupational health and safety for workers in petrochemical industries. heat stress is a combination of heat load individual and environmental factors impose on workers’ bodies, which in turn, have impacts on workers’ performance, safety, and health. the present paper is carried out to determine the heat stress levels in workplace and to compare it with allowed wet ...

Journal: :The Japanese journal of ergonomics 1968

Journal: :The Japanese journal of ergonomics 2005

Journal: :The Journal of the Royal College of General Practitioners 1967
A D Manning

ALTHOUGH SEVERAL STUDIES HAVE ALREADY been made on this subject, e.g. Bradford Hill (1951), Fry and Dillane (1964), College of General Practitioners (1965), our information is far from complete, and this quantitative study in a relatively large list, outer suburban London practice may fill some of the gaps. At the same time the value to me has been to highlight the inefficiency of conventional ...

Dehghan , H, Habibi , E, Sharifian , Z*, Ziayi Ghahnavieh , N,

Background & objectives: One of the factors affecting the performance of video display terminal users is their mental work load. Since low sleep quality causes fault and decreased accuracy in work, this study aimed to evaluate the relationship between mental work load and sleep quality in video display terminals users. Methods: This descriptive cross-sectional study was performed on 191 video d...

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