Перегляд Періодичні видання НТУ "Дніпровська політехніка" по назві
Зараз показуються 421-440 з 3493
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Substantiation of the method of determination the open-cast mine final con-tours taking into account the transport parameters
(2019)Purpose. Development and justification of the methodology for setting the boundary contours of the quarry and the payback period of capital investments for the development of the deposit in an open way, taking into account ... -
Substantiation of the methodology for modeling and calculating the optimal operating modes of a tandem pumping installation when mining uranium
(National Mining University, 2020-12-30)Purpose. The purpose of the research is to develop a mathematical model of the jet pump (JP) working process and a calculation methodology for modeling, as well as to determine the optimal operating modes of a combined ... -
Substantiation of the parameters of the erosion jet underwater face
(2020)A physical model is developed for the contact of a turbulent flooded axisymmetric water erosion jet with an underwater face of incoherent soil. To develop a mathematical model, an assumption was made about the possibility ... -
Surface mines composite slope deformation mechanisms and stress distribution
(National Mining University, 2020-12-30)Methods. Description and interpretations of the mechanical and stress computational model for a waste dump loading in the formation of a composite slope on the basis of the theory of plasticity and elasticity. Numerical ... -
Survey of the world practice of implementing energy-efficient technologies in terms of mining enterprises
(National Mining University, 2019-12-30)Purpose is the analysis of world practice of applying the best available techniques to increase energy saving and energy efficiency of mining enterprises being the important factor of the economic development. Methods. ... -
Sustainable development of Ukrainian iron and steel industry enterprises in regards to the bulk manufacturing waste recycling efficiency improvement
(National Mining University, 2018-03-30)Purpose. Identify the tendency of sustainable development of Ukrainian iron and steel industry enterprises regarding the raising of the bulk manufacturing waste recycling efficiency. Methods. To achieve this purpose, a ... -
Technical and technological aspects of the coal mine closure based on the geomechanical component assessment
(Dnipro University of Technology, 2021-09-30)Purpose. Development of a comprehensive methodology for assessing the state of mine workings based on the analysis of their contour displacement patterns when solving the problem of minimizing the risks during the closure ... -
Technological characteristics of the device for bore hole cleaning
(National Mining University, 2016-06-30)Purpose. Rationale for structural and technological parameters of the device for processing the bore hole vuggy zone departing from the set dependences of active jets formation while streamlining the blade element. Methods. ... -
Technological complex for production, transportation and storage of gas from the offshore gas and gas hydrates fields
(National Mining University, 2016-09-30)Purpose. Substantiation and development of schematics acceptable for the existing technological methods of natural gas production and transportation from the offshore fields of gas or gas hydrates. Improvement of their ... -
Technological safety of sustainable development of coal enterprises
(National Mining University, 2017-06-30)Purpose. Substantiation of conceptual base of searching the ways of threats prevention to sustainable development of coal enterprises in the presence of multidirectional vectors of economic pressure of the external ... -
Technological, economic and ecological aspects of selective coal mining from ultra-thin seams in conditions of Ukraine
(National Mining University, 2016-03-30)Purpose. At present one of the topical problems associated with coal seams mining is the issue of induced wall-rock coal-cutting with stone, which results in coal getting clogged with refuse stone and turning into the rock ... -
Technology development of Kryvyi Rih iron ore open pits within zones stoping of underground mine working
(2015)На современном этапе отработка залежей железных руд в Кривбассе ведется в условиях как совместных открытых и подземных горных работ, так и открытой разработки месторождений в зонах, подработанных подземными выработками. ... -
Technology of micro-cement injection of destroyed and fractured massif at orlovsky mine
(National Mining University, 2017-03-30)Purpose. Research into the method of strengthening destroyed and fractured rock massif by micro-cement injection during rock driving at Orlovsky mine of “Vostoktsvetmet” LLP. Methods. In situ researches of massif strengthening ... -
Tendencies of coal industry development in Ukraine
(National Mining University, 2016-06-30)Purpose. Analysis of the current state and prospects of Ukraine coal industry development until 2020. Methods. Complex analysis of data regarding mine productivity, coal reserves, mine funds as well as coal consumption ... -
The development of technology schemes of formation of external dump of different types of rock in landslide conditions
(Видавництво НТУ "ДП", 2021)Purpose. The scientific and practical purpose of the study is to develop and substantiate techno- logical schemes for the formation of external dumps in conditions of impaired stability during the development of iron ore ... -
The effect of increasing the water content on rocks characteristics from Şuior, Romania
(National Mining University, 2017-09-30)Purpose. Generation of relative humidity fluctuations lead to a further decrease in the resistance of rocks, which involves the swift evacuation of groundwater from mining works. For andesitic rocks strongly hydrothermal ... -
The experimental research of magnetic susceptibility of manganese sludge
(2013)Виконано експериментальне дослідження питомої магнітної сприйнятливості магніт-них фракцій зернистих марганцевих шламів одного з шламосховищ Нікопольського басейну. Результатами досліджень показано, що досліджувані магнітні ... -
The first year of implementing a new concept of the journal “Mining of Mineral Deposits” of the National Mining University
(National Mining University, 2017-03-30)This article presents the analysis of Ukrainian mining sciences journal – “Mining of Mineral Deposits” (acronym in English MMD). Our paper presents a case study of on journal in the field of mining sciences and describes ... -
The hydraulic impact and alleviation phenomena numeric modeling in the industrial pumped pipelines
(2018)The issues of the hydropercussion phenomena mathematical modeling in the industrial pumped piping systems, with the pumps and dampeners included, to determine the impact absorbers effectiveness on the amplitude-frequency ... -
The impact of vibration mechanism’ installation place on the process of retrieving stuck drill pipe
(National Mining University, 2016-09-30)Purpose. The present paper studies the dependence of the dynamic oscillatory movements in the area of drill string sticking on the parameters of vibrating mechanism and place of its installation in the heavy weight drill ...