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Autor:
M. I. Prokopenko, T. G. Tishina, V. L. Zinchenko, L. A. Babkina, V. I. Drozd, N. A. Stefanyuk
Publikováno v:
Refractories. 37:274-276
Substandard quartzites from horizons 110 – 100 and 150 – 140 of the Ovruchskoe Deposit are investigated. The established properties of the materials make them inapplicable for the production of dinas parts but quite suitable for the production of