TY JOUR TI REVIEW OF METHODS FOR DETERMINING FRACTIONAL COMPOSITION OF OIL KW fraction composition KW oil distillation KW fractional distillation JO Modern Technologies and Scientific and Technological Progress AU Litvincev, Y.I. AU Krasnoperov, E.V. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»