نتایج جستجو برای: lead mine workers
تعداد نتایج: 469901 فیلتر نتایج به سال:
In early decades, rescue operation in coal mine was treated as a dangerous task. After explosions occur, when rescue workers get into the tunnel without environment conditional awareness, they are facing heavy damages due to consecutive explosions [1]. This bring the necessity to detect the status of the mine environment details such as toxic gases, high temperatures through wireless sensors to...
During last century, waste water of gold mine has accumulated heavy metals such as lead, zinc and cadmium in Zarshuran region soil, and thus has increased epidemic disease in this region drastically. The purpose of this research was to reduce the mobility and bioavailability of zinc, lead and cadmium in rhizosphere of sunflower grown in soil around the mine by inorganic sorbents. A pot experime...
An area of major concern in considering increased coal production and utilization is the health and safety of increased numbers of workers who mine, process, or utilize coal. Hazards related to mining activities in the past have been especially serious, resulting in many mine related accidental deaths, disabling injuries, and disability and death from chronic lung disease. Underground coal mine...
background: blood hemoglobin can be damaged by toxins such as lead. thus, this study was carried out to assess its blood hemoglobin concentration in the staff of kermanshah oil refinery that had been exposed to lead components. methods: in this study, 150 workers at kermanshah oil refinery were selected as the case group and 70 workers of textile industry factory were chosen as the control grou...
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