CONTENTS Absametov M.K., Itemen N.M., Murtazin Ye.Zh., Zhexembayev E.Sh., Toktaganov T.Sh. FEATURES OF THE ISOTOPIC COMPOSITION OF GROUNDWATER IN THE MANGYSTAU
REGION............................................................................................................................................................6
Akimbek G.A., Aliyarov B.K., Badaker V.C., Akimbekova Sh.A. METHODOLOGY AND EXPERIMENTAL SETUP FOR THE STUDY OF RELATIVE
ABRASIVENESS OF BULK SOLIDS..........................................................................................................14