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- Hazard prevention and control:
- Signalling
- Document types:
- Peer reviewed journal articles
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Results 1 - 4 of 4
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3/1/1975 - Peer reviewed journal articlesThe theoretical study of UHF radio communication in coal mines, with particular reference to the rate of loss of signal strength along a tunnel, and from one tunnel to another around a corner is the concern of this paper. This work was part of an invest...
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2/1/2013 - Peer reviewed journal articlesAn experiment was conducted to explore coding and directional compatibility on roof bolting equipment and to determine the feasibility of a visual feedback system to alert operators of critical movements and workers in close proximity to the equipment.
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7/1/1985 - Peer reviewed journal articlesMedium frequency (MF) techniques have been successfully applied to the problem of radio voice communications in both coal and metal and nonmetal mines. MF techniques can also be applied to the areas of in-mine control and monitoring. Preliminary work in...
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2/1/1984 - Peer reviewed journal articlesThe Bureau of Mines has conducted field studies in coal mines throughout the United States to determine the effectiveness of electromagnetic techniques in locating miners trapped underground following a mine accident.
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Content source: National Institute for Occupational Safety and Health, Mining Program