TY JOUR TI NANOTECHNOLOGY OF DEEP PROCESSING OF HYDROCARBON RESIDUES KW deep processing KW heterogeneous catalysis KW nanoscale catalysts KW heavy hydrocarbon residues KW hydrogenation KW suspended catalyst JO Vestnik of Astrakhan State Technical University AU Nurakhmedova, A.. AU Tarakanov, G.. PY 2015 IS 2015 PB Astrakhan State Technical University