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Results 41 - 50 of 66
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1/1/2006 - Conference papersNIOSH's Office of Mine Safety and Health Research, in collaboration with MSHA Technical Support, has devised a prototype handheld device, Coal Dust Explosibitlity Meter (CDEM), to assess the potential explosibility of a coal and rock dust mixture.
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10/1/2004 - Conference papersThe NIOSH mining research program at the Pittsburgh Research Laboratory (PRL) includes the areas of coal mine dust control and monitoring, and explosion prevention.
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8/1/2004 - Conference papersIn underground coal mines, concrete block stoppings are widely used to control mine ventilation. Researchers developed a numerical model to evaluate the performance of stopping materials and different wall geometries in a controlled environment.
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5/1/2004 - Conference papersThis study describes how response times of machine-mounted methane monitors were measured by placing the methane sensor heads in a specially designed box where they were exposed to an atmosphere containing a constant concentration of methane.
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7/1/2003 - Conference papersThis study indicates that it may be possible to use ground penetrating radar (GPR) for initial underground mine studies followed by directional drilling to accurately delineate the extent and position of adjacent abandoned mine workings.
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Roof screening has been found to be very effective in controlling the fall of small rocks from the immediate roof surface. Data is presented from two mines that show a dramatic reduction in roof skin injuries when screening is used.
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8/1/2002 - Conference papersThe story of how roof bolting was implemented by the mining industry, but took so long to live up to its promise, is a fascinating example of the interaction between economics, technology, regulation, and science. It still has important lessons for today.
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6/1/2002 - Conference papersThis publication examines a procedure for measuring the response time of machine-mounted methane monitors
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2/1/2002 - Conference papersMine fires can be especially perilous because toxic products can quickly spread well beyond the fire zone thereby exposing all underground miners to dangerous and deadly conditions. This paper provides a review of the available materials and technology ...
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2/1/2002 - Conference papersThis report discusses a cooperative research study performed on a surface drill retrofitted with a new pressurization and filtration system. Respirable dust concentrations were substantially reduced from 0.64 mg/m3 during pre-testing to 0.05 mg/m3 duri...
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Content source: National Institute for Occupational Safety and Health, Mining Program