Перегляд Mining of Mineral Deposits по назві
Зараз показуються 21-40 з 354
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Application features of the surface laser scanning technology when solving the main tasks of surveying support for reclamation
(National Mining University, 2019-09-30)Purpose. Study of the effectiveness of topographical survey methods when solving the main tasks of surveying support for the disturbed lands reclamation. Methods. Comparative analysis of the topographical survey results, ... -
Application of grout slurries with the Defecate addition for effective well cementing
(Dnipro University of Technology, 2021-03-31)Purpose. Research and substantiating the expediency of cement mix formulations of grout slurries with different Defecate additive content and their effective use when cementing the reservoirs prone to absorption of the ... -
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 ... -
Application of shock blasting mode in mine roadway construction
(National Mining University, 2016-06-30)Purpose. Working out measures providing safe application of a shock blasting mode while driving workings in outburst-prone coal seams. Methods. Conveying of shock blasting at the mine workings on the coal mines of Ukraine ... -
Application of the Radial Basis Function interpolation method in selected reservoirs of the Croatian part of the Pannonian Basin System
(National Mining University, 2020-09-30)Purpose. The use of interpolation methods of mapping Radial Basis Function (RBF) on reservoir data from one field in Croatian part of Pannonian Basin System (CPBS). Methods. The RBF method (with five single basic mathematical ... -
Applied scientific and systemic problems of the related ore-dressing plants interaction in the event of decommissioning the massif that separates their quarries
(National Mining University, 2020-03-30)Purpose. Determining the possible and substantiating expedient alternate design and engineering decisions regarding the stage of spacial union of the adjacent quarries belonging to various owners by mining the rock pillar ... -
Applying European approach to predict coal self-heating in Ukrainian mines
(National Mining University, 2019-03-30)Purpose is the prediction of coal self-heating and determination of the factors effecting the dynamics of emission of tracer gases (TG) used for routine control of coal self-heating within the production unit involving ... -
Applying noncantilevered support of mechanized complexes for developing flat seams
(National Mining University, 2016-06-30)Purpose. Substantiation of applying additional load-bearing structure of powered support near the face onto the bench formed within the seam by the cutter-loader actuating element, which allows to increase efficiency of ... -
Assesing a risk of roof fall in the development mine workings in the process of longwall coal mining in terms of Ukrainian mines
(National Mining University, 2020-03-30)Purpose is the analysis of the available approaches used to determine risks of injures of miners and the development of a new method to assess risks of roof fall in the development mine workings, which maintain long stopes ... -
Assessment of coal quality on the site “Uspenivska No 2” in Western Donbas based on the statistical analysis of its chemical and technological properties
(National Mining University, 2016-12-30)Purpose. To conduct a comprehensive assessment of the coal seams’ quality on the site “Uspenivska No 2” in Lozivskyi coal-bearing area of the Western Donbas industrial district; establish their grade composition according ... -
Assessment of environmental and technical risks in the process of mining on the basis of numerical simulation of geofiltration
(National Mining Uniersity, 2016-03-30)Purpose. Substantiation of environmentally acceptable and technically safe operational mining schemes in the context of disturbed hydrogeological and geomechanical conditions by means of developing adapted filtrational ... -
Assessment of environmental impact of gemstone mining in Ijero-Ekiti, Nigeria
(National Mining University, 2018-03-30)Purpose. To examine the environmental impacts of gemstone mining activities on the people of Ijero-Ekiti, Ekiti State, Nigeria. Methods. Soil and water test were carried out on samples from the mine and its environment. ... -
Assessment of radioactivity of 226Ra, 232Th and 40K in soil and plants for estimation of transfer factors and effective dose around Mkuju River Project, Tanzania
(National Mining University, 2017-09-30)Purpose. To establish pre-mining indicators to assess radiological impact as a result of release of radionuclides to environment during uranium mining at Mkuju River Project radioactivity of 226Ra, 232Th and 40K in soil, ... -
Assessment of the factors influencing on the formation of energy-oriented modes of electric power consumption by water-drainage installations of the mines
(Dnipro University of Technology, 2021-12-30)Purpose. Performing the analysis to determine energy-efficient modes and assess the characteristics of the main indicators of electric power consumption by mine water-drainage installations based on the developed research ... -
Assurance of guaranteed atmosphere air quality for a point emission source
(National Mining University, 2019-06-30)Purpose. To solve the task of assessing the components of the guaranteed atmosphere air quality PMPj, PMP depending the maximum pollutant concentrations for a point source of emissions at the stage of designing in various ... -
Beneficiation of phosphate sludge rejected from Djebel Onk plant (Algeria)
(National Mining University, 2019-12-30)Purpose Flotation tests have been used in order to achieve the purposes of this study which are: To obtain the highest recovery with a maximum grade of P2O5 from the tailing generated by the phosphate plant of Djebel Onk ... -
Certain aspects concerning the development of a functioning scheme of the auto-mated system to control energy flows of underground iron-ore enterprises
(National Mining University, 2020-09-30)Purpose is to develop a functioning scheme of ACS for energy flows in terms of invariability of electric power consumption as well as inversion of energy flows of mining enterprises in the current time of day to decrease ... -
Choice and substantiation of stable crown shapes in deep-level iron ore mining
(National Mining University, 2018-12-30)Purpose. The aim of the paper is to select and substantiate stable shapes of crown pillars through determining regularities of rock pressure impacts on their stability depending on the crown shapes, mining depths and iron ... -
Choice of development method for technogenic mineral deposits by technological criteria
(National Mining University, 2016-12-30)Purpose. The purpose of the paper is to search for and choose optimal technologies of developing technogenic deposits. Methods. To achieve the aim, the analysis of selecting the deposit development technologies is used ... -
Choosing a camera for mine surveying of mining enterprise facilities using unmanned aerial vehicles
(National Mining University, 2020-12-30)Purpose. Choosing an effective method for performing the mine surveying of the objects at mining enterprise based on the implementation of practical and analytical work. Particular attention is focused on the use of modern ...