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Results 181 - 190 of 220
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1/1/1999 - Peer reviewed journal articlesA method is described to measure the conductor temperature of mine trailing cables during normal operation. The temperature is measured using an optical fiber located in the center of the metallic conductors.
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11/1/1998 - Technology NewsDevelopment of methods and tools to assist in the evaluation and selection of rock supports could reduce the number of unplanned rock falls significantly.
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8/1/1998 - Technology NewsNIOSH designed a passive device to detect overheating insulators on mine trolley/track haulageways.
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8/1/1998 - Conference papersSeveral experimental programs were conducted at the Pittsburgh Research Center to investigate the level of mine fire detection and alarm capability possible using state-of-the-art technology.
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5/1/1998 - Reports of InvestigationsFull-scale testing and results are described for an automated system that continuously monitors the accumulation of coal dust in mine entries.
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7/1/1997 - Technology NewsA machine-mounted continuous respirable dust monitor is discussed that can accurately monitor, display, and record concentration levels of respirable coal mine dust in mines for extended periods.
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7/1/1997 - Technology NewsTo provide a safe, practical, cost-effective method for measuring coal rib thickness during highwall mining.
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5/1/1997 - Reports of InvestigationsAs the use of deep-cut mining increases, there is expected to be a greater demand for methane measurement devices capable of scanning working faces at depths in excess of 10 m to alert mine personnel of hazardous concentrations of methane and to satisfy...
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5/1/1997 - Reports of InvestigationsA report evaluating a wireless signaling and warning system for underground mines applicable to both coal and non-coal mines. A TeleMagnetic Signalling Systems wireless ultra-low-frequency electromagnetic signaling system was installed and tested.
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2/1/1997 - Conference papersNIOSH initiated the development of a fixed-site machine-mounted continuous respirable dust monitor. The technology chosen for monitor development is the Rupprecht and Patashnick Co., Inc. tapered element oscillating microbalance. Laboratory and in-mine ...
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Content source: National Institute for Occupational Safety and Health, Mining Program