00641naa#a2200193#i#4500001001500000005001700015011001400032100004100046102000700087200015800094210006600252215001000318608002700328700003000355700002000385700001900405700000600424856001700430EN\\bibl\9208320250811144654.1##a3034-4689##a20250801b2025####ek#y0engy0150####ca##aRU1#aEFFECT OF CARBONATE ADDITIVES CA AND MG ON CHANGES IN COMPOSITION AND PROPERTIES OF HEAVY OIL IN THE PROCESS OF LOW-TEMPERATURE CRACKINGeJournal article1#aKazancKazan National Research Technological Universityd2025##a5 с.##aJournal article2local#1aAntonovagMarina Yur'evna#1aDavletshingA R#1aTelyashevgR G#1g 4#avestniktu.ru