{Identify|Determine|Recognize} Similarities in Diverse Polycyclic Aromatic Hydrocarbons of Asphaltenes and Heavy Oils Revealed by Noncontact Atomic Force Microscopy: Aromaticity, Bonding, and Implications in Reactivity
Heavyoils are enriched with polycyclic (or polynuclear) aromatic hydrocarbons (PAHor PNA), but characterization of their chemical structures has been a greatchallenge {due to|because of|as a result of|on account of|resulting from|as…