began trading for copra in the New Guinea Islands. In 1884, Germany formally took possession of the northeast quarter of the island and put its administration in the hands of a chartered company. In 1899, the German imperial government assumed direct control of the territory...
aFire is of major concern to those who work in underground coal mines. It is important to have a warning system that is capable of detecting fire and generating an alarm. In this paper, we present the design of an early warning system in a “Bord & Pillar” coal mine. It uses Wireless...
The Queensland Department of Natural Resources and Mines (NR&M) accepted the environmental liability for the Mount Morgan minesite in 1991. This gold and copper mine located 38 km southwest of Rockhampton had been in operation for more t... CJ Unger,T Laurencont 被引量: 4发表: 2003年 The...
fourminesinQueensland(BlairAthol,Kestrel,TarongandHailCreekmines),andis Queensland’ssecondlargest,andAustralia’sthirdlargest,blackcoalproducer.Production reachedalmost22milliontonnesperannum(Mtpa)in2002,whichisapproximately8%of Australia’scurrenttotalannualblackcoalproduction.TheestimatednetbenefittoState ...