The mixture of deasphalting residue and heavy oil results in a novel dispersion that is suitable for {HEAD ~ use} as {TAIL ~ an asphalt} 
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The mixture of deasphalting residue and heavy oil results in a novel dispersion that is suitable for { HEAD ~ use } as { TAIL ~ an asphalt }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL