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SF6 Tracer Gas Used to Trace Airflow Through Abandoned Mine Workings

Andrew Stokes

出版	Canada Centre for Mineral and Energy Technology, 1985
URL	http://books.google.com.hk/books?id=a2FhjwEACAAJ&hl=&source=gbs_api

註釋

The tracer gas Sulphur Hexafluoride was used to confirm thecontinued existence of the underground connection between twoabandoned collieries in the Sydney Coalfield. This reportoutlines the investigation and the results obtained.