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Anthracite

Known as: Anthracites 
A high-grade metamorphic coal having a semimetallic luster, high content of fixed carbon, and high density, and burning with a short blue flame and… 
National Institutes of Health

Papers overview

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2014
2014
Abstract The Cretaceous Hegang Basin is located on the Jiamusi Block, NE China, and separated from the Songliao Basin by the… 
Highly Cited
2012
Highly Cited
2012
Grinding is widely used in ore size reduction. In this investigation, grinding is proved to be advantageous in improving the… 
2007
2007
This report evaluates the results of a continuous 4.5-day laboratory aeration experiment and the first year of passive, aerobic… 
1983
1983
The Bureau of Mines conducted a field investigation of the water quality in inundated underground coal mines in the Northern… 
1932
1932
During the past twenty years many papers have been written dealing with the presence of living bacteria in ancient rocks. Galle…