1. INVESTIGATION OF THE FUNCTIONAL LAYER FORMATION ON THE SURFACE OF CARBON MATERIAL. Authors: SAKEN ABDIMOMYN, AZHAR ATCHABAROVA, DINARA ABDUAKHYTOVA, RUSTAM TOKPAYEV, KANAGAT KISHIBAYEV, TAMINA KHAVAZA, ANDREY KURBATOV, GRAZIELLA LIANA TURDEAN, MIKHAIL NAURYZBAYEV.2. STUDY OF KAZAKHSTAN’S SHUNGITE AS ELECTROCATALYST SUBSTRATE IN HYDROGEN EVOLUTION REACTION IN ACIDIC MEDIA. Authors: AZHAR ATCHABAROVA, DINARA ABDUAKHYTOVA, KHAISA AVCHUKIR, GRAZIELLA LIANA TURDEAN, SAKEN ABDIMOMYN, RUSTAM TOKPAYEV, TAMINA KHAVAZA, MIKHAIL NAURYZBAYEV.