TY JOUR TI PRODUCTION OF PROPANTS ON THE RAW MATERIAL BASE OF THE BAIKAL REGION KW hydraulic fracturing technology KW proppant KW organic-mineral binder KW phenol-formaldehyde resin JO Modern Technologies and Scientific and Technological Progress AU Scherbin, S.A. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»