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- Hazard prevention and control:
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- Grounding
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- Ground monitoring systems
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- Dust control
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- Removal of deposited dust
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- Water infusion
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- Wet drilling
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- Emission controls
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- Ergonomic design
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- Fire and explosion prevention
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- Methane control
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- Inerting atmosphere
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- Automation
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- Improving visibility
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- Reducing glare
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- Fire detection
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- Noise and vibration control
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- Noise shielding
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- Vibration damping
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- Noise cancellation
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- Noise absorption
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- Mechanical isolation
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Results 81 - 90 of 975
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2/1/2007 - Peer reviewed journal articlesA study of ground behavior, reinforcement performance and stress redistribution looked at a longwall tailgate under severe horizontal stress. Comparison to field results showed that a FLAC-2D model captured the significant roof and support behavior.
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This video focuses on individual and organizational behavior related to arc flash events over an 11-year period in the mining industry.
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12/1/2006 - Conference papersThis paper presents a method using a ray-tracing technique to determine absorption coefficients for underground mines. Absorption coefficients are determined and presented for octave bands from 63 Hz to 8 kHz.
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11/1/2006 - Peer reviewed journal articlesNIOSH researchers studied laser safety in potentially flammable environments. Researchers measured threshold igniting powers as a function of beam diameter for butane and propane-air mixtures by laser-heating targets placed on optical fiber tips.
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9/1/2006 - Peer reviewed journal articlesResearchers conducted experiments to estimate the mean and standard deviation of laser powers needed to ignite 6% methane-air atmospheres using single-mode optical fiber tips covered by two types of iron oxide mixed with a ceramic adhesive.
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9/1/2006 - Peer reviewed journal articlesThere are potential detrimental effects of capacitance charging currents during line-to-ground faults in mine power distribution systems. A representative mine power system is modeled, and simulations with faults at various locations are conducted.
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8/1/2006 - Conference papersNIOSH and MSHA conducted a joint survey to determine the range of coal particle sizes found in dust samples collected from intake airways of U.S. coal mines.
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8/1/2006 - Reports of InvestigationsThis study evaluated the effectiveness of the state-of-the-art technologies for controlling DPM and gaseous emissions from underground diesel-powered mining equipment using the isolated zone approach.
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6/1/2006 - Conference papersNIOSH conducted a study with the goal of characterizing methane emissions from increasing face lengths in the Pittsburgh Coalbed and providing a method of predicting emissions increases from longer faces and of planning for more methane control.
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6/1/2006 - Conference papersNIOSH conducted a longwall methane emission and mining time study at a Pittsburgh Coalbed mine to predict emissions from a longer face, and developed and applied mathematical formulas and constants to characterize four emission contributors.
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Content source: National Institute for Occupational Safety and Health, Mining Program