Abstract: In this paper, the extraction of precursor signals in acoustic emission and electromagnetic radiation and the identification of precursor signal time intervals are studied. Firstly, the auto ...

Abstract: As one of the most important energy sources in the world, efficient mining and application of coal is the basis for fully utilizing its effectiveness. During the mining stage, accurately ...

Compiled by the Official Charts Company, the UK's biggest rock and metal albums of the week, based on sales of digital bundles, CDs, vinyl and other formats, across a seven day period.

Forbes contributors publish independent expert analyses and insights. Hugh McIntyre covers music, with a focus on the global charts.