- distillable fractions
- перегоняемые фракции
Англо русский политехнический словарь. Академик.ру. 2011.
Англо русский политехнический словарь. Академик.ру. 2011.
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