Open AccessRESEARCHES TO ESTABLISH RATIONAL DRILL AND BLAST PARAMETERS DURING THE PREPARATION AND CUTTING OF EXTRACTION BLOCKS IN THICK DEPOSITS OF HARD ORES
Author(s) -
Yu.A. Masaev,
V.Yu. Masaev,
А.I. Кopytov
Publication year - 2020
Publication title -
vestnik naučnogo centra po bezopasnosti rabot v ugolʹnoj promyšlennosti
Language(s) - English
Resource type - Journals
ISSN - 2072-6554
DOI - 10.26631/arc2-2020-77-81
Subject(s) - drill , extraction (chemistry) , geology , mining engineering , engineering , mechanical engineering , chemistry , chromatography