- 1. Research of productivity of drilling tools when driving main crosscut of horizon of the second stage of opening
- (Mining)
- ... productivity of drilling tools which allows providing required speed of mine working driving increases as far as duration of building of horizon of the second stage of opening reduces, thus the drilling ...
- Created on 05 January 2013
- 2. Technological parameters and circuits of development at final stage of opening of deposits of rocky building materials
- (Mining)
- Authors: V.I. Symonenko, V.D. Kirnos, A.V. Mostyka, L.S. Hrytsenko. In view of modern trends of development of rocky building material deposits for conditions of Ukraine perspective ...
- Created on 25 December 2012
- 3. Analysis of schemes of mining for deep layers of iron ore mines
- (Mining)
- ... It is investigated the charts of building of horizons of the second stage of opening for different terms, taking into account possible intensity of works. It is analysed the use of various schemes of construction ...
- Created on 26 November 2012