نتایج جستجو برای: exposure rate

تعداد نتایج: 1236503  

Journal: :Exchanges: The Interdisciplinary Research Journal 2017

Journal: :international journal of health studies 0
kamal azam 1 1. dept. of biostatistics, school of public health, tehran university of medical sciences, tehran, iran. elham entezari zarch 2* 1. dept. of occupational health, school of health, tehran university of medical sciences, tehran, iran. seyed abolfazl zakerian 3 3. dept. of occupational health, school of public health, tehran university of medical sciences, tehran, iran.

background: the present study examines the effects of iranian traditional music and western classical music during 20 min of pedaling on an ergometer, along with the normal factors of profile of mood states and rate of perceived exertion. methods: seventeen non-athlete participants (11 men and six women) with a mean age of 26±1.5 cycled in three conditions: exposure to iranian traditional music...

Journal: :iranian journal of radiation research 0
j. salimi dr. j. salimi, sina hospital, tehran university of medical sciences, tehran, iran. p.o.box:11365-8486, tehran, iran fax: +98-21-6716545 k. moosavi s. vatankhah

background: measurement of background radiation is very important from different points of view especially for human health. the aim of this survey was focused on determining the current background radiation in one of the highest altitude regions ( zagros mountains ), chaharmahal and bakhtiari province, in the south west of iran . materials and methods: the outdoors-environmental monitoring exp...

Background and purpose: Radiographic film repeat rate assessment is performed to appropriate profiting of existence resources in therapeutic wards. Multiple exposures of x-ray generators due to repeated radiographic examination can lead to amortization of the radiographic facilities and decrease their longevity and also increases the cost of facilities repair. On the other hand, its therapeut...

Journal: :Industrial health 2012
Hiroji Tsujimura Kazushi Taoda Teruyo Kitahara

A field study designed to reveal the physiological workload on garbage collectors (GC) was conducted in Japan. Three drivers who only operated a garbage truck, three loaders who actually collected as a team, three solo collectors, and one clerical worker, totaling 10 male workers participated in this study. The ambient temperature and the relative humidity, activity intensity, and heart rate we...

Journal: :Annals of global health 2015
James Goldie Steven C Sherwood Donna Green Lisa Alexander

BACKGROUND Many studies have explored the relationship between temperature and health in the context of a changing climate, but few have considered the effects of humidity, particularly in tropical locations, on human health and well-being. To investigate this potential relationship, this study assessed the main and interacting effects of daily temperature and humidity on hospital admission rat...

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