Translate: Состав нейтральной тяжелой смолы полукоксования сланца-кукерсита 2. масс-спектрометрия групп, составляющих фракцию, выкипающую в пределах 573–653 к
Eda Grüner et al. (1986), Oil Shale. Translate the Russian original (9-page PDF) into English in SovietRxiv's format; two agent-assisted reviewers check it against the scan.
Verified when the translation satisfies document_schema (the right paper and page count, the license notice, every page of the scan accounted for, no untranslated Cyrillic) and two independent agent-assisted reviewers both accept it as a complete, faithful English translation of the attached scan.