Browsing Physical & Chemical Geotechnologies = Фізико-хімічні геотехнології by Title
Now showing items 64-83 of 129
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LEACHING OF URANIUM DEPOSITS IN MONGOLIA
(2018)The paper outlines the results of field, laboratory, and theoretical studies on geotechnical parameters of uranium in-situ leaching (ISL) for hydrogenous deposits located in eastern Mongolia. ... -
Methodology of researching the process of obtaining composite fuel from coal processing waste
(Видавництво НТУ «ДП», 2020)In solving the problem of developing coal preparation wastes in the production of composite fuels, such as coal sludge and braize, reliable knowledge about various physical and mechanical characteristics of waste is important ... -
MODELS AND INFORMATION SYSTEMS OF ECOLOGICAL AND ECONOMICAL RISKS WITH DECISION MAKING ON THE CLOSURE OF COAL MINES
(2018)Development of decision support system based on simulation results of underworking of surface and selection of rational way of remediation. -
MULTIFUNCTIONAL POWER QUALITY CORRECTION SYSTEM
(2018)Study the system of electric power quality control based on AVI with PWM in the systems of group feed of electromechanics with the direct-current unibus. -
New theory of rock massif fragmentation by using explosion energy
(Видавництво НТУ ДП, 2020)Purpose. Ore mining involves the destruction of large volumes of hard rocks, which requires preliminary fragmentation by using drilling-and-blasting operations. Therefore, special attention is paid to the ... -
NUMERICAL SIMULATION OF JOINTED ROCK MASS IN GEOMECHANICAL PROBLEMS
(2018)Study the possibility of realistically numerical simulation of a jointed rock mass and estimate the design rock mass strength involving discontinuity surface conditions and various shapes and sizes of rock blocks. -
OBJECTIVE LAWS OF ROCK PRESSURE CHANGE IN FRONT OF ADVANCING LONGWALL FACE
(2018)To develop a method for determining the increase in stress above advancing longwall face in conditions of Western Donbas mines. -
OBTAINING WEAR-RESISTANT COATINGS ON COPPER ALLOYS UNDER SHS CONDITIONS
(2018)Obtaining wear-resistant coatings on copper alloys under shs conditions. -
OPTIMIZATION OF INVESTMENT FOR COAL MINES BASED ON NEURAL NETWORK MODEL
(2018)The main objective of the paper is to develop a system of economic and mathematical models for managing the investment activity of the coal mining enterprise, including improving the principles and methods for ... -
PARAMETERS OF DRILLING-AND-BLASTING OPERATIONS FOR THE USE EMULSION EXPLOSIVES
(2018)The analysis of experience of emulsion explosives application for the last 10 years has allowed to establish a tendency for increasing in their usage on underground mining operations. Safety of ... -
Peculiarities of international and national legislation and modern activity of leading companies in the extraction of colored gems
(Видавництво НТУ ДП, 2020)Purpose. Study the impact of the peculiarities of international and national legislation in the field of colored gems mining on the success of the world's leading companies in order to activate the gemstone market ... -
PHYSICAL & CHEMICAL PROCESES FOR COAL DESTRUCTION IN UNDERGROUND GAS GENERATOR
(2018)Estimate the material and thermal balance for providing the chemical reactions in underground gasgenn according to physical spreads of their fluency. -
Phytoremediation technology for coal dumps
(Видавництво НТУ «ДП», 2020)To study the physical-and-chemical parameters of soil substrates used for coal dump reclamation in Western Donbas, in particular black soil and red-brown clay; to investigate the Bioconcentration Factors, Translocation ... -
POSSIBILITIES OF MINING WASTES UTILIZATION BY THERMAL DESTRUCTION WITHIN THE UNDERGROUND GAS GENERATOR
(2018)Study the possibility of developing the technical and technological justification of mining wastes utilization within the closed cycle of gassgene in in economic effective level. -
POTENTIAL AND INTERNAL ECONOMIC RESERVES OF STATE UN-PROFITABLE COAL-MINING ENTERPRISES
(2018)The purpose of the article is to consider the possibility of regulating the economic reliability of coalmining enterprises from the point of view of identifying economic reserves of individual areas ... -
Preliminary assessment of the content of valuable components in coal mine waste dumps
(Видавництво НТУ «ДП», 2020)Study of the mineralogical and chemical composition of waste rocks from the Western Donbass coal mines dumps to establish the presence of valuable components and their subsequent industrial development. The present work ... -
PROBLEMS OF SYSTEMS WITH DISTRIBUTED GENERATION
(2018)The problems of the development of modern production are related to the demand for electricity, which is ahead of the increase in generating capacity. Electric power industry in the 20 th century ... -
REGULATION OF REACTIVE POWER PRODUCED BY DOUBLY FED INDUCTION WIND GENERATORS
(2018)Study the methods of providing balance of reactive power by means of the voltage applied to the rotor of doubly fed induction wind generators. -
Research of possibilities for extraction of secondary resources from mining waste and mineral processing waste
(Видавництво НТУ «ДП», 2020)Substantiation of new methods and technologies of processing and enrichment of technogenic wastes and previously formed wastes of mining and metallurgical production [1-5]. The choice of areas of rational use of man-made ... -
RESEARCH OF THE APPLICATION OF COMBINED ANCHOR SYSTEMS FOR THE MAINTENANCE OF RE-USED MINING WORKINGS
(2018)Study the possibility of developing the technical and technological justification of combined anchor systems for the maintenance of re-used mining workings in economic effective level.