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Substantiation of the intensified dump reclamation in the process of field development
(National Mining University, 2020-06-30)
Purpose is to substantiate intensification of dozer dump reclamation in the process of open pit-mining.
Methods. Analysis of methods intended to intensify reclamation activities in the context of open-pit mineral extraction ...
Research into the process of storage and recycling technogenic phosphogypsum placers
(National Mining University, 2020-06-30)
Purpose. Study of technogenic placers storage conditions using the example of phosphogypsum dumps at PJSC “Rivneazot” by determining the rocks sorption properties, distribution and concentration of elements, as well as ...
Cradle-to-gate life cycle assessment of the production of separated mix of rare earth oxides based on Australian production route
(National Mining University, 2020-06-30)
Purpose. Life cycle assessment (LCA) to investigate environmental impact resulting from the production of separated mixture of rare earth oxides (REO) mined in Australia.
Methods. Analytical study of the literature reviews ...
Mitigation of the environmental risks resulting from diesel vehicle operation at the mining industry enterprises
(National Mining University, 2020-06-30)
Purpose is to predict potentially hazardous effects of diesel vehicles of mining enterprises on the environment and to
minimize the environmental risks caused by these impacts by modifying motor fuels with special ...
The octahedral concept and cubic triaxiality in assessment of secondary stress state
(National Mining University, 2020-03-30)
Purpose. The opportunities offered by rock mechanics as a science are not fully and efficiently applied in the design and assessment of underground constructions performed in salt massifs, especially in the efficient design ...
Adaptive control of drilling by identifying parameters of object model under nonstationarity conditions
(National Mining University, 2020-03-30)
Purpose. The research is intended to investigate and synthesize adaptive control over drilling by identifying parameters of an object model under non-stationarity conditions.
Methods. Under conditions of rapidly changing ...
Studying a correlation between characteristics of rock and their conditions
(National Mining University, 2020-09-30)
Purpose is to determine dependences of velocities of elastic waves in isotropic rocks and anisotropic waves with orthotropic and transverse-isotropic symmetry upon pressure and depth to develop evaluation criteria and ...
Improving the technology of uranium mining under the conditions of high groundwater pressure
(National Mining University, 2020-09-30)
Purpose. Substantiation of technological solutions for uranium mining by the method of In-Situ Leach Mining (ISL) under the conditions of the high groundwater pressure.
Methods. Analysis of mining-and-geological conditions ...
Design of bottom hole assemblies with two rock cutting tools for drilling wells of large diameter
(National Mining University, 2020-09-30)
Purpose. A methodology development for calculating the bottom hole assemblies (BHA) with two rock cutting tools for drilling the wells of large-diameter with an ability to manage the trajectory.
Methods. A mathematical ...
Experimental characteristics for deformation properties of backfill mass
(National Mining University, 2020-09-30)
Purpose. Determining the deformation properties of backfill mass used to preserve the continuity of the coal-rock stratum enclosing mine workings.
Methods. To achieve the purpose set, laboratory studies have been performed ...