- distillable fractions
- перегоняемые фракции
English-Russian big polytechnic dictionary. 2014.
English-Russian big polytechnic dictionary. 2014.
residues — Residues, also called residua or resids, are those fractions which are non distillable under given conditions and remain at the bottom of a distillation tower. (Altgelt and Boduszynski 1994) … Petroleum refining glossary