Novel tetracyclic terpanes X and Y namely C24-des-A-oleanane and C27 tetracyclic terpane were detected in crude oils and source rock extracts in Zhu 1 depressio
Based on the historical documents and measured data from the active-layer temperature(ALT) at A, B and C locations(4 670, 4 720 and 4 770 m a.s.l.) on Baishui G