Mullite–Silicate Proppants Based on High-Iron Bauxite and Waste from Metallurgical Industry in Kazakhstan by Tolebi Dzhienalyev, Alla Biryukova, Bagdaulet Kenzhaliyev, Alma Uskenbaeva, Galiya Ruzakhunova

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Extraction of gold from gravity-flotation concentrates via surfactant and oxidation reagents by Bagdaulet Kenzhaliyev, Aigul Koizhanova, Tatyana Surkova, Dametken Fischer, M. N. Azlan, Olga Atanova, David Magomedov, Maria Yerdenova, Nurgali Abdyldayev

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