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PRINCIPLES OF ROCK PRESSURE ENERGY USAGE DURING UNDERGROUND MINING OF DEPOSITS
(Національний гірничий університет, 2017-04)Purpose. To substantiate principles of rock pressure usage during underground mining of deposits. Methodology. Zonal structuring indices of massif around mine workings were established with help of industrial, laboratory ... -
Process pattern of heterogeneous gas hydrate deposits dissociation
(National Mining University, 2018-04)Purpose. Justification of the effective dissociation process parameters of heterogeneous gas hydrate deposits and elaboration of their classification according to the thermal energy consumption. Methodology. The ... -
Profiled detonation waves in the technologies of explosion treatment of metals
(2023)A short review is represented concerning physicotechnical features of current technologies, plane-wave, converging cylindrical and spherical detonation waves used in physics and chemistry of high energy densities, physics ... -
Prospects of utilization mining methane on the basis of gas hydrate technologies
(2019)The peculiarities of the innovative approach to the utilization of coal mine methane, which is extracted by significant volumes due to the technological process of underground development of coal-gas fields, are revealed. ... -
Prospects to Use Biogas of Refuse Dams of Dnipropetrovsk Region (Ukraine) as Alternative Energy Carrier
(Mechanics, Materials Science & Engineering, 2017-07)Prospects for recovery and use of biogas from solid domestic waste landfills in Dnipropetrovsk region have been considered. Scientific sources have been analyzed. The world practices to use biogas from solid domestic waste ... -
Prospects to Use Biogas of Refuse Dams of Dnipropetrovsk Region (Ukraine) as Alternative Energy Carrier
(Mechanics, Materials Science & Engineering, 2017-07)Prospects for recovery and use of biogas from solid domestic waste landfills in Dnipropetrovsk region have been considered. Scientific sources have been analyzed. The world practices to use biogas from solid domestic waste ... -
Public administration as a systemic phenomenon in society
(2021)The article aims to reveal the concept and principles of public administration as a systemic phenomenon in society. The main task in management is the joint activity of people, their individual groups, and organizations, ... -
Pulse method of magnetite demagnetizing
(CRC Press/Balkema, 2015)The article presents experimental results of classification of magnetized and demagnetized suspension of magnetite concentrate. It shows a high degree of demagnetization in a pulsed mode. The aim of this article is to ... -
PYRITIZATION OF THE MIDDLE CARBONIFEROUS SANDSTONES OF THE DONBAS
(Mineralogical Journal (Ukraine), 2020)Coal mining is linked with such phenomena as sudden gas outburst, explosions, and ignition of coal seams. Among the preconditions for explosions, emissions and possible inflammations, the process of pyritization of rocks ... -
Rational parameters of drilling-and-blasting operations at mine workings construction in the conditions of PJSC “Zaporizskyi iron-ore plant”
(2020)Purpose. Substantiation and choice of rational parameters of drilling-and-blasting operations for mine workings construction with the use of emulsion ex-plosives. Methods. The tasks were solved by a complex method, which ... -
Rational use and protection of subsurface resources in the underground mining of ore deposits in conditions of technogenesis
(2019)The basic scientific and practical results of rational use and protection of subsoil under underground mining of ore deposits in the conditions of technogenesis are based on reliable geological and surveying and geomechanical ... -
RATIONALIZATION OF DEEP BOREHOLES DRILLING IN THE CONDITIONS OF PJSC “ZAPORIZSKYI IRON-ORE PLANT”
(2018)Purpose. To develop effective approach to determination of parameters of deep boreholes location which would consider stress of the ore massif in the course of layers breaking. Methods. It has been established that energy ... -
Reforming and modernizing the public service of Ukraine under European standards management of personnel policy
(2021)The study outlines the importance of effective public administration. It was determined that the reform of the public service in Ukraine was the discrepancy between the Ukrainian system of public administration and ... -
REINVESTMENT ACTIVITY OF INDUSTRIAL ENTERPRISE – STIMULATORS AND MOTIVATORS: CASE OF UKRAINE
(2011)Basic tendencies in investment climate of Ukraine are discovered. The principal sources of investments of industrial enterprises are examined. The process of reinvestment activity of industrial enterprises and its influence ... -
Research an adaptation process of the system «Rock and coal massif–underground gasgenerator» on stand setting
(Instytut Gospodarki Surowcami miniralnymi i energiją Polskiej akademii nauk, 2012-02)The results of borehole underground coal gasification researches on the stand seating with account tech-nological and geological conditions and technological parameters at coal seam gasification process are examined. During ... -
RESEARCH AND DEVELOPMENT OF METHODS TO REDUCE ENERGY CONSUMPTION CLOSED JOINT STOCK COMPANY "ERLAN"
(Nauka i studia, 2017)The work developed economic model selecting optimal heating of industrial facilities to reduce energy consumption. To construct a mathematical model of optimization criteria have been established, the analysis of the most ... -
Research into peculiarities of phase transitions during the dissociation of gas hydrates
(2021)Purpose. Analytical study of the dissociation process of gas hydrates taking into account the peculiarities of phase transitions occurring during their dissociation and described by the Clausius-Clapeyron equation. Methods. ... -
Research into thermobaric processes of methane gas hydrates formation
(2020)Based on experimental studies, the paper deals with the dynamics of the methane gas hydrates formation, influenced by the organized media, such as surface-active agents (surfactants, SAA), namely, dibutylphenol treated ...