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pro vyhledávání: '"Ekaterina S. Shchukina"'
Publikováno v:
Materials; Volume 15; Issue 5; Pages: 1922
In this paper, a universal technology is proposed for processing low-titanium mineral raw material—apatite-nepheline ore waste, including its treatment with sulfuric or hydrochloric acid in a two-stage mode with a sequential increase in the concent