Перегляд Physical & Chemical Geotechnologies = Фізико-хімічні геотехнології за датою
Зараз показуються 61-80 з 129
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CHOICE OF CONTROLLED VARIABLES FOR ENERGY MANAGEMENT SYSTEM OF PISTON СOMPRESSOR UNITS
(2018)Nowadays on-off control system is common for piston compressors delivery. The control system is applied in case there is no technological need in maintaining the stable pressure level in pneumatic ... -
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. -
USING NON-BLASTING TECHNOLOGIES FOR DESTRUCTION OF HARD ROCK IN SURFACE MINING
(2018)Determination the effective application field of non-blasting technology and technologies for the hard rock preparation for excavation during surface mining. -
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. -
FORECASTING OF TECHNICAL CONDITION PARAMETERS FOR COMPLEX ELECTROMECHANICAL SYSTEMS
(2018)Estimation of technical condition parameters for complex electromechanical systems. -
ELASTIC TORSION OF COMPOUND PRISMATIC BODIES WITH CROSS-SECTIONS OF COMPLEX SHAPE
(2018)Study the stress state of composite prismatic bodies with biconnected domain under torsion -
CORRECTION OF THE HIGH-FREQUENCY TRANSFORMER ASYMMETRY OF UNDISTURBED POWER SUPPLY OF LIMITED POWER
(2018)Study the possibilities to adjust asymmetry of the high frequency transformer as a component of an undisturbed power supply system. -
DEVELOPMENT OF AUTOMATIC SPEED CONTROL SYSTEM FOR SYNCHRONOUS DRIVE OF HIGH-POWER TUMBLING MILLS
(2018)Study the possibilities to increase the efficiency and decrease energy consumption of powerful tumbling mills. -
INFLUENCE OF OVERHEATING AND COOLING RATE ON THE STRUCTURE AND PHYSICOCHEMICAL PROPERTIES OF AL-CU ALLOYS
(2018)Study the was to investigate the structural properties of Al-Cu alloys depending on the heating temperature of the alloy above the liquidus, the cooling rate. -
SOME ASPECTS OF ENERGY SAVING OF BURDEN MATERIAL IN THE BLAST FURNACE
(2018)To determine the possibility of self-stabilization effect for burden surface texture and gas flow in operating blast furnace under the proper conditions was experimentally proved for the first time, as well as ... -
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 ... -
CONVERSION AND TRANSMISSION OF ELECTRICAL ENERGY IN A COMBINED ELECTROMECHANICAL CONVERTER FOR HYBRID AND ELECTRIC VEHICLES
(2018)Creation and effective control of a combined converter for electromechanical systems with alternating and direct current sources, as well as, in reducing capital costs in the scheme for constructing the electric ... -
SUBSTANTIATING A MECHANISM TO INCREASE THERMAL RESOURCE OF WATER-BEARING LEVELS AT THE EXPENSE OF UNDERGROUND COAL COMBUSTION
(2018)Objective is to study a mechanism increasing thermal resource of water-bearing levels at the expense of underground coal combustion. -
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. -
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. -
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. -
SCIENTIFIC SUBSTANTIATION OF ENERGY-EFFICIENT AND LOW- WASTE TECHNOLOGY OF CARBOHYDRATE RESOURCES DEVELOPMENT
(2018)Scientific substantiation and development of energy-efficient low- waste technology for hydrocarbon raw materials extraction by changing its aggregate state by physico-chemical interference, taking ... -
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. -
FORECASTING OF ECOLOGICAL AND ECONOMIC CONSEQUENCES OF FLOODING OF COAL MINES
(2018)The main objective of the paper is to determination of the impact of groundwater near coal mines on the health of the local population in order to compensate for this impact on the cost of treatment for people