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Now showing items 11-20 of 66
Methods for intensification of borehole uranium mining at the fields with low filtration characteristics of ores
(Dnipro University of Technology, 2021-09-30)
Purpose. Improving the efficiency of borehole uranium mining and the selection of special decolmating solutions to improve
the filtration characteristics of the seam due to effective destruction, as well as by preventing ...
Research into technology of fastening the mine workings in the conditions of unstable masses
(Dnipro University of Technology, 2021-09-30)
Purpose. Determination of the rock stability along the strike of the mass, where the drift mining of the horizon -480 m is
conducted, considering the possibility of using the improved types of supports in the conditions ...
Northeastern part of the Bilanivske ferruginousquartzite quarry: Risks of mining allotment
(Dnipro University of Technology, 2021-09-30)
Purpose. Substantiation of the managerial decisions to minimize the risks of mining the Bilanivske ferruginous quartzite
quarry on its northeastern margin.
Methods. The legislative, methodological, cartographic and ...
Substantiation of refractory lining influence on the electric furnace efficiency for the production of ferronickel
(Dnipro University of Technology, 2021-09-30)
Purpose. The purpose of the research is to substantiate the possibility of replacing existing MgO bricks with the MgO-C
bricks due to their resistance to the slag aggressiveness of the electric furnace and the Si content ...
The ways to enhance durability and bearing capacity of the open gear drum mills
(Dnipro University of Technology, 2021-09-30)
Purpose is substantiating ways to enhance durability and bearing capacity of open gears of ore-pulverizing drum mills as
well as efficiency of engineering solutions concerning the increase in their unit power at the expense ...
Geochemical characterization of the Sutlegen bauxite deposit, SW Antalya
(Dnipro University of Technology, 2021-09-30)
Purpose. The purpose is to determine geological and geochemical characteristics of the Sutlegen (Antalya, Turkey)
bauxites, to identify the elements that played a major role in their formation.
Methods. X-ray diffraction ...
Analyzing mechanics of rock breaking under conditions of hydromechanical drilling
(Dnipro University of Technology, 2021-09-30)
Purpose is to substantiate design factors and technological parameters of next-generation facilities of hydromechanical
drilling basing upon the determined features of interaction between breaking pellets and rock ...
Application of radio-wave geointoscopy method to study the nature of spreading the solutions in the process of uranium underground leaching
(Dnipro University of Technology, 2021-12-30)
Purpose. Assessment of the effectiveness of using the method of radio-wave geointoscopy of the inter-well space for threedimensional
mapping of the zone of the leaching solution actual propagation in the process of uranium ...
Interaction of rock-bolt supports while weak rock reinforcing by means of injection rock bolts
(Dnipro University of Technology, 2021-12-30)
Purpose is to analyze changes in shape and dimensions of a rock mass area, fortified with the help of a polymer, depending
upon the density of injection rock bolts as well as the value of initial permeability of enclosing ...
Research into influence of drilling-and-blasting operations on the stability of the Kusmuryn open-pit sides in the Republic of Kazakhstan
(Dnipro University of Technology, 2021-09-30)
Purpose. Research into influence of drilling-and-blasting operations on the nature of deformation in near-side masses of the
design open-pit contours and assessing the seismic impact of blasting operations, which are the ...