capped off in January 1862 with a major atmospheric river storm warm enough to melt any snow that had accumulated in the Sierra Nevada mountains, flooding California’s Central Valley into an inland sea 300 miles long by 60 wide, oddly occurred well before SUVs, or even coal fired power pla...
While in 2013, Zhen [6] made great achievements in the research of underground ventilation monitoring system in coal mine. For underground mines, with the continuous development of mining transportation industry, rail transport has gradually been replaced by trackless transport. However, there is no ...