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Results 121 - 130 of 646
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11/1/2009 - Conference papersThis paper demonstrates the applications of coal bed reservoir engineering and modeling techniques for optimizing and controlling methane emissions in longwall and continuous miner sections.
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11/1/2009 - Conference papersThe Pittsburgh Research Laboratory (PRL) of NIOSH conducts research to evaluate control technologies and monitoring instrumentation that can be used to reduce the diesel particulate matter (DPM) exposure of mine workers.
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11/1/2009 - Conference papersThe paper discusses how the Diesel Particulate Matter (DPM) monitors have performed within the underground mine environment in evaluating DPM during the various phases of longwall moves.
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11/1/2009 - Conference papersNIOSH is developing bit and chuck isolators to reduce vibration, and thus noise radiation of the drill steel, with the longer-term goal of reducing roof bolting machine operator noise exposure.
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11/1/2009 - Conference papersThis paper describes NIOSH research to develop noise controls for mining equipment whose operators exceed the Permissible Exposure Level (PEL). Two alternative approaches are explored to the conventional beamforming algorithm.
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11/1/2009 - Conference papersThis paper discusses a limited number of control technologies to reduce or eliminate harmful respirable dust.
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11/1/2009 - Conference papersIn this paper, computational fluid dynamics (CFD) modeling results for both bleeder and bleederless ventilation systems are presented and the difference between two systems is discussed.
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11/1/2009 - Conference papersFor horizontal vibrating screens, NIOSH testing indicates that the screen sides and feed box are dominant noise sources for the 250 Hz through 800 Hz one-third octave bands, while the electric motor is the most significant source for the 1 kHz band.
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10/1/2009 - Conference papersBy surveying experienced equipment operators about visual cues, researchers developed a method to gather data on the needs and practices of machine operators while controlling the machine and the reasons for needing particular operational cues.
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10/1/2009 - Conference papersThe objective of this research is to estimate the cementitious seal/rock interface properties from full scale test results.
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Content source: National Institute for Occupational Safety and Health, Mining Program