Перегляд Періодичні видання НТУ "Дніпровська політехніка" по назві
Зараз показуються 112-131 з 3446
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Effect of fracture pressures on the selection of depths for casing setting in Slovakia
(National Mining University, 2016-12-30)Purpose. The purpose of the article is to describe the method of casing wells for oil and gas in the Slovak Republic. Methods. Apparently there is no general method or procedure that gives the optimal location. This article ... -
Effect of heat shock on graphitization of Donbass anthracite
(National Mining University, 2020-09-30)Purpose. The aim is to conduct experimental research into graphitization process of anthracites from the Donbass basin using shock heating, which is characteristic of furnaces with electrothermal fluidized bed. Methods. ... -
Effect of rocks displacement activation on the formation of the surface trough during anthracite seams extraction
(National Mining University, 2017-06-30)Purpose. To define peculiarities related to the formation of the dynamic and stationary half-troughs under the influence of anthracite seam extraction by adjacent faces. Methods. To establish the parameters of the surface ... -
Effects of elevated temperature on physical and mechanical properties of carbonate rocks in South-Southern Nigeria
(National Mining University, 2018-12-30)Purpose. Limestone and marble are carbonate rocks with several structural and engineering applications. The physical and mechanical properties of the rocks are fundamental as they determine their suitability for various ... -
Efficiency of energy resource production while optimizing parameters of socio-economic balance
(National Mining University, 2016-03-30)Purpose. Definition of the standardized index of energy resource generation efficiency in changing socio-economic conditions considering the development of the technological basis of the modern mining industry. Methods. ... -
Elaborating a scheme for mine methane capturing while developing coal gas seams
(National Mining University, 2020-09-30)Purpose is to substantiate and develop an efficient scheme of coalmine methane capture while preparing and developing gassy coal seams. Methods. Critical analysis of literature sources has been carried out; practice of ... -
Electric road vehicles - overview, concepts and research at Reutlingen university
(2011)The paper details the architecture of fully electrified vehicles as well as their new electronic systems. Examples of up-to-date electrical passenger cars are given. A very important question, that is the environmental ... -
Electromechanical transducer for drying and processing of coal concentrates and sludges
(National Mining University, 2016-12-30)Purpose. Determination of the effect of perforations in the hollow ferromagnetic rotor on dynamic characteristics of the electro-mechanical transducer. Methods. Calculation of the dynamic characteristics of the electromechanical ... -
Empirical definition of the shearing angle and chip-edge contact length when cutting
(Видавництво НТУ "ДП", 2020)Simplification of shearing angle determination during chip formation and improving the determination of chip-edge contact length with the corresponding derivation of new calculation empirical formulas. -
Energy consumption analysis for natural aggregate processing and its results (Atabey, Isparta, Turkey)
(National Mining University, 2018-09-30)Purpose. This study was conducted to determine the amount of energy and water consumption in the production of aggregates for a certain period of time and also calculated the parameters that effect energy consumption in ... -
Energy indicators of the rescue units members
(National Mining University, 2016-09-30)Purpose. To determine energy consumption by rescuers depending on the type and conditions of rescue and emergency response operations. Methods. Analytical and experimental methods have been implemented both for the study ... -
Energy-saving intensification of gas-condensate field production in the east of Ukraine using foaming reagents
(National Mining University, 2019-06-30)Purpose. Development of recommendations on the use of foaming surfactants (FSs) in the overall task of increasing energy and resource conservation of wells at the final stages of the development of gas condensate fields ... -
Engineering characteristics of Egyptian limestone
(National Mining University, 2019-06-30)Purpose. Study of physical properties such as porosity, density and mechanical properties such as compressive strength and tensile strength of Egyptian limestone based on experimental investigations. Methods. In this paper ... -
Ensuring the specified position of multisupport rotating units when dressing mineral resources
(National Mining University, 2019-12-30)Purpose. The solution of the problem for determining a specified vertical displacement of supports in a rotating unit, taking into account the yielding in the crosscut of the supporting node, as well as the peculiarities ... -
Estimation of corrosion resistance of curing mixtures based on coal-bearing rocks from Western Donbass
(National Mining University, 2016-09-30)Purpose. Substantiation of possible use of coal-bearing rocks as a replacement for a part of the filler in the preparation of shotcrete for lining of mine workings in the conditions of mineralized mine water. Methods. The ... -
Estimation of parameters of gas storage operation in inhomogeneous aquifers
(Видавництво НТУ "ДП", 2022)The purpose of the article is development and testing of a mathematical model of gas storage in a layered aquifer with a low permeability interlayer for a case of plane-parallel and axial-symmetric filtration. Methodology. ... -
Estimation of the wear rate associated with ball mill of Mahd Ad Dahab Gold Mine, Saudi Arabia (KSA)
(National Mining University, 2018-09-30)Purpose. This study aims to estimate the wear of the middle chrome grinding balls in both dry and wet grinding media. The selected ball mill for this study is located at Mahd Ad Dahab Gold Mine, Saudi Arabia. Methods. The ... -
Evaluation of exploiting barite, the critical raw material in Slovakia, and benefits of its mining
(Dnipro University of Technology, 2021-06-30)Purpose. There are several deposits of critical raw materials in the Slovak Republic, but currently only one is mined. This is a barite deposit in Spiš, which shows an ever-lower volume of exploited raw material year-on-year. ...