نتایج جستجو برای: heavy

تعداد نتایج: 125133  

In the present work, health risk of heavy metals such as As, Cd, Co, Cr, Cu, Hg, Ni, Pb, Zn in Iranian urban and rural samples including wheat, wheat flour, bread, pasta and sweets were assessed. The real amount of heavy metals in target samples were determined by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and atomic absorption spectroscopy (AAS). Wet ashing and hydride g...

Journal: :journal of occupational health and epidemiology 0
mr rezaei assistant professor of environmental sciences, natural resource and environment school, university of birjand, birjand, iran mh sayadi assistant professor of environmental sciences, natural resource and environment school, university of birjand, birjand, iran

background: composition of dust in the air due to contact with human via inhalation, ingestion and skin absorption will have a large impact on public health. in the learning environments such as universities, many people spend most of their day in contact with the dust. the purpose of this study was to evaluate the concentration of heavy metals lead, chromium and copper in the training space of...

Journal: :Progress of Theoretical Physics Supplement 2008

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