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Results 131 - 140 of 646
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9/1/2009 - Conference papersThis paper discusses changes that new legislation and regulations are making to the U.S. coal mining industry, and current research that is producing technologies to make mining safer.
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9/1/2009 - Conference papersThis paper describes the results of testing using a 20L ignition test chamber to test suspensions of 7 UK and world traded coals in air and O2/C02 mixtures typical of oxy-combustion conditions.
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8/1/2009 - Conference papersThe pressure applied to the patella and combined PT and TT was determined for postures associated with low-seam mining.
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8/1/2009 - Conference papersIn this study thigh-calf and heel-gluteus contact forces were quantified to on the externally applied flexion moment in high flexion.
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7/1/2009 - Conference papersThis study extends the method of dynamic analysis to events driven by slip on geologic features.
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7/1/2009 - Conference papersThis paper documents the MHRA process and analyzes the strengths and weaknesses of the technique as it applies to pillar recovery operations.
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7/1/2009 - Conference papersThis paper provides an overview of current deep cover pillar recovery practice.
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7/1/2009 - Conference papersAs part of an effort to obtain more field data on longwall tailgate and support interaction, a study was conducted at a longwall mine in the Herrin No. 6 coal seam in southern Illinois.
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7/1/2009 - Conference papersA process is presented that relates the structures and their locations to provide a numerical value, or roof quality index that can be used to assess roof stability.
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6/1/2009 - Conference papersThis paper aims to examine the effects of porosity and permeability changes of the coal seam on methane emissions in an underground continuous miner section.
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Content source: National Institute for Occupational Safety and Health, Mining Program