نتایج جستجو برای: coal miners

تعداد نتایج: 34103  

Journal: :British Journal of Ophthalmology 1950

Journal: :Occupational and Environmental Medicine 1987

2007
Victor P. Berveno Konstantin G. Gromov Valentina A. Gromova

Disabilities of coal miners due to black-lung decease morbidities are rather high (up to 10 men per 1 million tons of mined coal). Besides that, dangerous to health biological activity is also proper to various carbon nanoparticles. The analysis of relationships between coal miner morbidities, biological activities of coals and bibliographical data has shown that: activity of coals is mainly de...

Journal: :IOP Conference Series: Earth and Environmental Science 2017

Journal: :American Journal of Public Health and the Nations Health 1970

2003
Daniel F. Huber Nicolas Vandapel

For several years, our research group has been developing methods for automated modeling of 3D environments. In September, 2002, we were given the opportunity to demonstrate our mapping capability in an underground coal mine. The opportunity arose as a result of the Quecreek mine accident, in which an inaccurate map caused miners to breach an abandoned, water-filled mine, trapping them for seve...

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