نتایج جستجو برای: exposure control
تعداد نتایج: 1589292 فیلتر نتایج به سال:
background : substantial evidence indicates that exposure to electromagnetic fields (emf) above certain levels can affect human health through triggering some biological responses. according to who, short-term exposure to emf at the levels present in the home/environment do not cause any apparent detrimental effects in healthy individuals. however, now, there is a debate on whether long-term ex...
Background and aim: Microwave radiations are one of the most environmental workplace factors that exposed too many workers. In microwave spectrum, radar frequency with 1-300 GHz range have varied applications such as satellite, communications, military, Network, navigation, air-traffic Control, navigation, marine and weather. Uncontrolled occupational exposure to radar radiation caused to vari...
Background and aims: Mining is categorized with considerable exposure to airborne contaminations. Regarding the high prevalence of diseases and the high population of workers in iron ore mines, the aim of this study was to investigate the effect of miners’ exposure to respirable dust compounds on the serum Malondialdehyde (MDA) levels. Methods: In this study, 92 non-smoker healthy workers of G...
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