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Sulfur hexafluoride as a mine ventilation research tool :recent field applications
Laboratory evaluation of spray-applied rigid urethane foams
Evaluating ventilation parameters of three coal mine gobs
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Published Year
1980-1989 (3)
Subject
Mine ventilation (3) *
Coal mines and mining--Safety measures (1)
Mine gases (1)
Mine shafts (1)
Sealing compounds--Testing (1)
Sulfur hexafluoride (1)
Tracers (Chemistry) (1)
Urethane foam--Testing (1)
Author
Thimons, Edward D. (3)
Timko, Robert J. (3) *
Kissell, Fred N. (1)
Marshall, Mervin D. (1)
