ANALYSIS OF THE STRUCTURAL AND CHEMICAL STATE OF DUPLEX SYSTEM SSILICATES-SILICIDES OF ALKALINE EARTH METALS Message 4. The mechanism of refining blast furnace iron with magnesium and its alloys: Procesi littâ, 2023, Vol 4 (154), 15-27. plit-periodical [Internet]. 2023 Nov. 29 [cited 2026 Oct. 24];154(4):15-27. Available from: https://plit-periodical.org.ua/index.php/plit/article/view/219