Five major froms(lamellar,banded,crack-like,dissceminated and segregated encrustation(of organic matter distribution in sourc rocks have been revealed under sca
Electronic structures of square planar coordinated transition metal ions in BaCuSi4O10 and CaCrSi4O10 are investigated using the ligand-field theory(LFT),angula
Studies of biological marker compou nds in five oil samples from a profile wherenormal crude oil,low condensate oil and heavy oil are produced in the Karamay Oi