There are abundant deep coal resources in northern Shaanxi. but the fragile natural environment in this area hinders the large-scale exploitation of oil-rich coal. In-situ thermal conversion of deep coal to oil and gas will become an environmentally friendly technology for oil-rich coal mining. Accurate prediction of oil-rich coal tar yield in various regions is a prerequisite. https://www.nacrack.com/mega-choice-2005-2006-NISSAN-ALTIMA-Radio-Receiver-AM-FM-stereo-single-CD-Player-G-mega-value/