Auflistung Періодичні видання НТУ "Дніпровська політехніка" nach Titel
Anzeige der Dokumente 292-311 von 3467
-
Overview of technologies for constructing the facilities at the Dniester pumped storage power station
(National Mining University, 2019-09-30)Purpose. Perform an overview of the construction technologies and substantiate the effectiveness of the Ukrainian experience in building a pumped storage power station (PSPS) on the Dniester River in difficult engineerin ... -
Oбогащение руд, обеспечивающее максимальный выход концентрата
(2011)За допомогою теореми Рейнгардта показано для рудної шихти, що максимальний вихід концентрату можна отримати тільки при роздільному збагаченні рудних різновидів, встановлюючи для кожного з них розділовий блок сепараторів з ... -
Parameters determination of hydromechanization technologies for the dumps development as technogenic deposits
(National Mining University, 2020-03-30)Purpose. Determination and substantiation of the hydromechanization technologies parameters and the hydraulic transport operation modes for mining the technogenic deposits formed as a result of the enrichment waste storing ... -
Parameters of anchoring systems for fastening of inclined workings
(2019)Purpose is to analyze a state of the boundary rock mass of an inclined anchored working with the use of mathematical modeling methods and to determine rational anchoring parameters as well as length of the anchors if they ... -
Peculiarities of britlle and ductile materials destruction and deformation during the explosion of industrial shaped charges
(National Mining University, 2017-06-30)Purpose. To study the laws of deformation and destruction of brittle and ductile rocks and concretes under explosion of industrial shaped charges. Methods. In experiments, the following methods of investigation were used: ... -
Petrographic characteristics in the central part of Kosovo
(Dnipro University of Technology, 2021-12-30)Purpose. This paper aims to provide complete identification of rock types in the Drenas region by detailed description of all types of the rocks found. The authors intended to determine interruption or continuity of all ... -
Phenomena of stability of the coal seam roof with a yielding support
(National Mining University, 2019-12-30)Purpose. Determining the conditions and parameters for ensuring the stability of the coal seam roof with a yielding support in the area adjacent to face and behind it under the influence of dynamic loads based on the ... -
Physical and chemical conditions for the formation of mercuric gold within Au-Hg deposits (thermodynamic modeling)
(National Mining University, 2017-12-30)Purpose. To carry out computer thermodynamic modeling of gold and mercury behaviour in the context of their common occurrence and formation of mercuric gold in hydrothermal solutions Cl– – HCO3– – Na+ and Cl– – Na+ – Ca2+ ... -
Physical and mathematical modelling of the conditions of coal and gas outbursts
(National Mining University, 2017-09-30)Purpose. Experimental study and theoretical modeling of conditions initiating destructive processes and development of gas generation in coals. Methods. Analysis, generalization and statistical processing of experimental ... -
Physical model of dehydration process of coal sludge unflotation size suspensions on the high-frequency sifter with different sloped sites of the working surface
(2013)Запропонована фізична модель процесу зневоднення вугільних шламових суспензій на ви-сокочастотному грохоті з різнопохилими ділянками робочої поверхні, у якій процес зневоднення здійснюється у три етапи: перевод у ... -
Possible way of effective enrichment of the mixed ores
(2013)Викладено результати експериментальних досліджень, що дозволили розробити та рекомендувати до впровадження нові технічні рішення комплексної переробки змішаних (напівокислених) залізних руд з використанням екологічно ... -
Potential for increasing the efficiency of design processes for mining the solid mineral deposits based on digitalization and advanced analytics
(Dnipro University of Technology, 2021-06-30)Purpose. The research purpose is to develop and adapt the existing scientific-methodological, as well as software and information base for managing the geotechnological complexes to implement the process approach at the ... -
Potential utilization of quartz sand and kaolin from tin mine tailings for whiteware
(Dnipro University of Technology, 2021-09-30)Purpose. To do experimental research into the potential utilization of residual quartz-based sands and kaolin from the tin mine tailings in Bangka Belitung Province, Indonesia. Methods. Process of raw materials beneficiation ... -
Power consumption of rock decomposition process during diamond core drilling using pulse flushing
(National Mining University, 2018-09-30)Purpose. To study the impact of pulse flushing on the power consumption of rock decomposition during diamond core drilling. Methods. Theoretical analysis, processing of the obtained experimental data. Findings. The ... -
Predicting remaining lifetime of drill pipes basing upon the fatigue crack kinetics within a pre-critical period
(National Mining University, 2019-09-30)Purpose is to determine regularities of the development of corrosive fatigue cracks in terms of high-strength drill pipes. Methods. Basing upon the approaches of the material failure mechanics, the crack has been characterized ... -
Prediction of contamination level of the atmosphere at influence zone of iron-ore mine
(National Mining University, 2016-06-30)Purpose. The main purpose of the work is estimating and predicting ecological state of the atmosphere air on the territory of iron-ore mine. Methods. Laboratory research and biological estimation of the atmosphere state ... -
Prediction of the number of consumed disc cutters of tunnel boring machine using intelligent methods
(Dnipro University of Technology, 2021-12-30)Purpose. Disc cutters are the main cutting tools for the Tunnel Boring Machines (TBMs). Prediction of the number of consumed disc cutters of TBMs is one of the most significant factors in the tunneling projects. Choosing ... -
Prediction of tunnel boring machine penetration rate using ant colony optimization, bee colony optimization and the particle swarm optimization, case study: Sabzkooh water conveyance tunnel
(National Mining University, 2020-06-30)Purpose. The purpose of this study is to use a novel approach to estimate the tunnel boring machine (TBM) penetration rate in diverse ground conditions. Methods. The methods used in this study include ant colony optimization ... -
Preliminary assessment of roadheaders efficiency based on empirical methods and index of equivalent rock strength
(National Mining University, 2019-09-30)Purpose. The choice of a proper roadheader is a critically important step in planning of a project or some of its stages. Nowadays various manufacturers produce numerous models of these vehicles, hence it is unreasonable ... -
Probabilistic calculation in terms of deformations of the formations consisting of compacted overburden of Quarternary rocks
(National Mining University, 2020-12-30)Purpose is to study the effect of a stress-strain state (SSS) of rock mass on statistical dispersion of deformability characteristics of the compacted overburden; to develop modeling methods of dispersion of random values ...