Physical & Chemical Geotechnologies = Фізико-хімічні геотехнології: Recent submissions
Зараз показуються 61-80 з 129
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GEO-ENERGETICS OF UKRAINIAN SHIELD
(2018)The analysis and systematization of geodynamic conditions of underground mining of ore deposits in Ukraine is executed. The issue of description of natural condition of rocks in world practice is enclosed. -
STRUCTURAL INTERACTION OF LAYERS IN THIN FILM Fe/Tb 2 O 3
(2018)Thin films, consisting of contacting layers of iron group metals Fe, Co, Ni and rare earth metals oxides are perspective for use in spintronics. Due to exchange f–d interaction at them interface, magnetization and ... -
UTILIZATION OF WASTE MATERIALS OF PRIDNEPROVSKA TPP
(2018)Study the possibility of fly ashes full recycling of Pridneprovska Thermal Power Plant (PTPP) by their refining in industrially valuable products using gravity classification of dry ash from ... -
DEVELOPMENT OF COMPUTING MODEL OF GEOMECHANICS SYSTEM «LAYERED MASSIF - WORKING SUPPORT» AT PHYSICAL PARAMETERS OF ROCKS
(2018)Substantiation of method forecasting of manifestation rock pressure in the system «layered massif – working support» based on the detection of patterns displacement any point of circuit the preparatory ... -
THE CONCEPTUAL FOUNDATION OF HARMONIZATION OF DIMENSIONAL DESIGN SOLUTION WHILE PLANNING AND WORKING OUT OF COAL-GAS DEPOSITS BY UNDERGROUND METHODS
(2018)Following the 25th World Mining Congress in Astana, it is concluded how important the coal mining industry nowadays. There are only a few energy sources that can produce heat and electricity day-and-night. ... -
INCREASING OF ENERGY EFFICIENCY OF COAL MINING USING DATA ANALYSIS METHODS
(2018)Analysis of the influence of geological and mining technical factors on the drift stability to determine the reliable and effective support of workings during the service period. -
SUSTAINABLE DEVELOPMENT OF TERRITORIES OF MINING REGIONS
(2018)Developing innovative technologies of mining coal seams and increasing the competitiveness of coal produced and providing further diversification of the mine using the "post-mining" concept as ... -
DETERMINATION OF LEACHING PARAMETER VALUES BY UNDERGROUND MINING METHODS FROM POOR AND EXTREMELY POOR ORES USING SIMILARITY THEOREM
(2018)Determination of technological parameters of leaching processes of poor and extremely poor uranium ores by similarity theorems. -
RIGIDITY OF ELASTIC SHELL OF RUBBER-CABLE BELT DURING CABLE DISPLACEMENT
(2018)Establishment of a character of the influence of geometric parameters on shear rigidity, determination of maximum stresses in a layer of elastic shell located between the cables and the drum, and ... -
DYNAMIC PROCESSES IN LONG-STROKE PUMPING SET FOR BOOTY OF PETROLEUM-OIL
(2018)Researching of twowave dynamic processes in a rope hauling organ and of the lifted mixture of oil, water, gas and soil in the steel pipeline of plunger long-stroke pump for the booty of oil. -
INFLUENCE OF BANDS TENSION AND FRICTION MODELS FOR LONGITUDINAL STABILITY PROCESS OF ROLLING
(2018)Investigation of influence of bands tension and friction models for longitudinal stability process of rolling. -
ESTIMATION OF RELIABILITY OF SYSTEM OF REVERSE STAMPS WITH USE OF COMPOSITE MATERIALS AND ACCURACY OF PUNCHED PARTS
(2018)Estimation of reliability of system of reverse stamps with use of composite materials and accuracy of punched parts. -
IMPACT OF STRAY CURRENTS IN ELECTRICAL SYSTEMS OF UNDERGROUND TRANSPORT: AN OVERVIEW AND METHODS FOR SOLVING PROBLEMS
(2018)The metro system in the modern world is widely used in the urban transport system. Nevertheless, many negative consequences, such as electrochemical corrosion on the metro route caused by a wandering ... -
EVOLUTION OF THE WC-Co STRUCTURE, AS THE RESULT OF PRELIMINARY COLD ISOSTATIC PRESSING UP TO 0.3 GPa AND SINTERING
(2018)Investigation of the effect of cold isostatic pressing of WC-Co samples on the density, coercive force, grain size WC, thickness of the Co interlayer and microhardness value. -
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. -
SUBSTANTIATION OF MUD PREPARATION TECHNOLOGY
(2018)To study the advantages of hydrodynamic cavitation, to calculate the frequency of cavitation oscillations by the device parameters, to obtain a formula for determining the dispersion time of the material, and to study ... -
ABOUT THE REASONS FOR THE AMPLITUDE INCREASE OF THE SEISMOACOUSTIC OSCILLATIONS WITH FREQUENCIES OF THE HAZARD RANGE AT COAL SEAMS MINING
(2018)Determine the reasons for the amplitude increase (growth) of the seismoacoustic oscillations with frequencies of 700-1400 Hz in mine workings, which is one of the main criteria in the gas-dynamic ... -
THEORETICAL INVESTIGATIONS OF THE STRESSED STATE ON THE EXCHANGE RATE OF MATRIX AT HIGHLY CYLINDER PARTS
(2018)investigations of the stressed state on the exchange rate of matrix at highly cylinder parts. -
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 ... -
ELASTIC-DISSIPATIVE STABILIZATION OF DYNAMIC PROCESSES OF HYDROPULSE SYSTEMS OF MINING MACHINES
(2018)Investigation of elastic-dissipative stabilization of dynamic processes of hydropulse systems of mining machines.