Перегляд Періодичні видання НТУ "Дніпровська політехніка" по назві
Зараз показуються 145-164 з 3493
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Experimental studies on the shear resistance of original coal-shale joint
(National Mining University, 2017-12-30)Purpose. Experimental study and theoretical modeling of the shear resistance of original coal-shale joint. Methods. A two-segment model was developed to describe the shear resistance-shear displacement curves obtained ... -
Experimental study of the thermal reaming of the borehole by axial plasmatron
(National Mining University, 2019-03-30)Purpose. To study rock spallation dynamics in the process of the borehole thermal reaming and analyze energy consumption of the borehole thermal reaming process by plasma jets of the axial plasmatron. Methods. Field ... -
Explorable and economically attractive mineral deposits in the Siberian and Far Eastern Federal Districts of Russia
(National Mining University, 2018-03-30)Purpose. Selection of the most explorable mineral deposits in the Siberian and Far Eastern Federal Districts of the Russian Federation as investment projects. Methods. System rank analysis of minimizing the risks of ... -
Exploration and mining evaluation system and price prediction of uranium resources
(National Mining University, 2018-03-30)Purpose. The paper introduces the development of the Uranium Resources Technical and Economic Evaluation Expert System (URTEEES) from the viewpoint of requirement analysis, system design, functional structure and application ... -
FACILITY менеджмент - эффективный метод управления вспомогательными процессами
(НГУ, 2007-03-12)Останні десять років спостерігається збільшення ролі сервісних служб. Низка виключно виробничих фірм розширили діяльність за рахунок сервісу та допоміжних видів діяльності. Одночасно потенційні замовники прагнуть ... -
Factors influencing the flooding process of former coal open-pits
(Dnipro University of Technology, 2021-06-30)Purpose. This study aims to identify the main factors that influence the flooding process of the remaining gaps of open-pits comprising essentially the velocity and duration of flooding, but also the stability of in situ ... -
Failure criteria for structurally heterogeneous materials
(National Mining University, 2016-09-30)Purpose. To analyze the current research regarding rock failure criteria and justify the analytical failure criterion for structurally heterogeneous materials in three dimensional stress-strain state. Methods. The study ... -
Fault tree analysis and prevention strategies for gas explosion in underground coal mines of Pakistan
(National Mining University, 2019-12-30)Purpose. Gas explosion in the underground coal mines of Pakistan is the main source of coal miners’ mortalities. The purpose of this article is to analyze the main causes of gas explosion in the underground coal mines of ... -
Features of adjacent stream hydrodynamics of the two-phase medium
(2013)Проведено аналіз особливостей локальних зон течій суспензії у гідроциклоні без перечищення та з пристінним перечищенням. -
Features of coal sludge processing on CDF "Gukovskaya"
(2013)Наведено результати удосконалення технології зневоднення вугільних шламів нефлотаційної крупності на високочастотних грохотах типу ГВЧ шляхом застосування різнопохилих ділянок робочої поверхні, що дозволило зменшити вологість ... -
Features of formation of technogenic limestone deposits
(2018)Segregation laws become important in the formation of man-made deposits. The theoretical basis of the physical mechanism of the phenomenon of segregation of the rock mass in the formation of dumps and the storage of minerals ... -
Features of legal support for the operation of small atypical Ukrainian coal mines under contractual conditions of a public-private partnership
(National Mining University, 2020-06-30)Purpose is to study and develop the economic and legal model of small atypical coal mines basing upon the analysis of the operations under contractual condition of public-private partnership as well as upon adequate ... -
Features of setting up a complex, combined and zero-waste gasifier plant
(National Mining University, 2016-09-30)Purpose. Setting up and implementation of complex, combined and non-waste power-chemical plant based on underground coal gasification with regard to analysis of its technical and economic efficiency. Methods. Research ... -
Finite element method applied in mine pressure computation within the context of rock massif – support system interaction
(National Mining University, 2019-03-30)Purpose. The analysis of the current underground mine workings, both those that are in operation and works located within the mining perimeters where activity was stopped, is leading directly to the problem of stability, ... -
Forecast of potentially dangerous rock pressure manifestations in the mine roadways by using information technology and radiometric control methods
(National Mining University, 2019-12-30)Purpose. To reduce risk of emergency and injury-risk situations while improving the methods for predicting stress-strain state of the rock mass with the help of information systems, and to detect fissure locations in the ... -
Formation of competitive advantages of iron-ore mining enterprises
(2013)Розглянуто формування показника конкурентоспроможності гірничозбагачувального підприємства з урахуванням резервів, технологічних і економічних факторів підвищення його конкурентних переваг при реалізації кінцевої продукції ... -
Formation of integrated energy efficiency indicator for mining industry companies
(National Mining University, 2017-12-30)Purpose. Justification of the principles for assessing the competitive status of Ukrainian mining companies’ energy efficiency as a derivative of electricity consumption and qualitative estimation of the companies’ competitive ... -
Formation peculiarities of physical and chemical composition of highly mineralized edge water
(National Mining University, 2017-03-30)Purpose. To study the formation peculiarities of the physical and chemical composition of highly mineralized edge waters in oil and gas fields. Methods. The correlation relationships between the macroions of the edge water ... -
Forming the current of underground metal pipelines by the high-frequency components of cathodic stations output signal
(2015)Обґрунтовано можливість забезпечення необхідних характеристик захисного потенціалу підземного металевого трубопроводу шляхом формування відповідного частотного спектру вихідного сигналу станції катодного захисту. ...