Перегляд Volume 12, Issue 4 по назві
Зараз показуються 9-14 з 14
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Mechanism conversion process and timeliness of N2-ECBM
(National Mining University, 2018-12-30)Purpose. Based on the technology by which methane drainage is strengthened under gas injection, to examine the process of gas injection and the mechanism of action. Methods. Physical simulation experiment method, using ... -
Nonlinear criteria and the influence of the average principal stress on rocks destruction
(National Mining University, 2018-12-30)Purpose. Consider possible series methods of Mohr-Coulomb nonlinear criterion that takes into account stresses in the plane of fracture. Investigate the influence of the average principal stress on rocks destruction when ... -
Optimization of blending operation for Aswan phosphate mines using linear programming
(National Mining University, 2018-12-30)Purpose. The economic value of phosphate is reduced when randomly blending raw phosphate produced from different mines. Therefore, the blending process of different raw phosphate ores to produce economic percentage of P2O5 ... -
Review of geomechanical problems of accumulation and reduction of mining industry wastes, and ways of their solution
(National Mining University, 2018-12-30)Purpose. The identification of geomechanical problems of mining industry wastes accumulation and substantiation of the ways for their solution with the possibility of processing the watery technogenic feedstock by fine ... -
Selection of accessing and development schemes for extracting reserves of ore body 2 in Irtysh deposit
(National Mining University, 2018-12-30)Purpose. Justification and selection of a rational scheme for accessing the second ore body of the Irtysh deposit based on a technical and economic comparison of its adopted competitive options. Methods. The main mining, ... -
Topical problems concerning both methods and economy to develop mineral deposits
(National Mining University, 2018-12-30)Purpose. Development of mining enterprises adaptation to changes in conjuncture of a product market relying upon its competitiveness while reducing expenditures connected with mineral stock extraction at the expense of ...