Перегляд Періодичні видання НТУ "Дніпровська політехніка" по назві
Зараз показуються 95-114 з 3446
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Development of composition of cementing slurry for fastening of low-cemented rocks
(Dnipro University of Technology, 2021-06-30)Purpose. Improving the producing capacity and ensuring the stable operation of gas wells that develop unstable, lowcemented reservoirs by preventing the sand entry from the reservoir by means of creating the cement stone ... -
Development of computational algoritms to simulate frictional contact oscillating processes
(2014)Для разработки вычислительного алгоритма решения динамических задач с трением используется вариационный подход. Дискретизация вариационных задач по времени производилась на основе двух- и трехслойных разностных схем. ... -
Development of the landslide risk classification for natural and man-made slopes based on soil watering and deformation extent
(National Mining University, 2020-12-30)Purpose. To summarize and formalize the estimates of landslide risk levels based on the proposed classification of relevant environmental or man-made risks in the regions of Ukraine and local territories, including a ... -
Digital system of quarry management as a SAAS solution: mineral deposit module
(National Mining University, 2019-06-30)Purpose. Improving the efficiency of functioning the mining enterprises and aggregation of earlier obtained results into a unified digital system of designing and operative management by quarry operation. Methods. Both ... -
Distant interaction of rock mass clusters around underground opening
(National Mining University, 2017-06-30)Purpose. To experimentally prove the fact of distant interaction between rock clusters during the irreversible displacements of rock mass. Disintegration of the rock mass does not necessarily imply loss in underground ... -
Distribution of mineral extraction revenue: overview of international practice
(National Mining University, 2019-06-30)Purpose. To study basic principles and conditions of the efficiency of the system to redistribute mineral extraction revenue including the countries with lower levels of welfare. Methods. The research applies a method of ... -
Division intensification according to fineness and dehydration of raw materials at the new way of vibroshock grating
(2013)Наведено результати експериментальних досліджень нового методу віброударного грохочення з використанням для інтенсифікації розпушення крупних часток. Отримано залежності вологості надрешітного і та вмісту класів у продуктах ... -
Drying of the disperse material in the aero spouted bed with horizontal material moving
(2013)Проведено аналіз діючих сушильних пристроїв, показані їх достоїнства й недоліки.. Розглянуто конструкцію сушильної установки з використанням киплячого прошарку з газоди-намічним транспортуванням матеріалу. -
Dynamic analysis of well equipment to produce oil
(National Mining University, 2020-12-30)Purpose is to study dynamics of a technological cycle of well oil production equipment to evaluate the forces acting on its structural components while operating. It is required to improve their reliability and durability ... -
Dynamics of loess mass deformations due to technogenic load
(2014)По результатам анализа энергетических и фильтрационных свойств техногенно нагруженного лессового массива определен интервал глубин, и геологические слои, характеризующиеся наиболее интенсивным развитием деформационных ... -
DZIEDZICTWO KULTUROWE I HISTORIA GÓRNICTWA NA UKRAINIE: PROBLEM MUZEIFIKACJI GÓRNICZYCH ARTEFAKTÓW
(Школа підземної розробки, 2012)Викладено світовий досвід збереження культурної спадщини гірників та істо-ріографію розвитку гірництва й гірничої науки в Україні. Робиться висновок про необхідність розгортання вже сьогодні на державному рівні роботи по ... -
Early assessment of seismic hazard in terms of Voronezh massif-Moscow Depression contact
(Dnipro University of Technology, 2021-09-30)Purpose is to develop a system approach for early assessment of areas being of high seismic hazard and characterizing by low stability of rock mass relative to external loads. Methods. Well cores have been assessed down ... -
Ecological and technological aspects of iron-ore underground mining
(National Mining University, 2017-06-30)Purpose. To substantiate drilling-and-blasting technologies allowing to reduce the amount of hazardous substances affecting the level of ecological safety during underground ore mining. Methods. The laboratory research ... -
Ecological patterns for vegetation cover formation in the mining waste dumps of the Lviv-Volyn coal basin
(National Mining University, 2020-06-30)Purpose. Determination of ecological patterns for vegetation cover formation in the mining waste dumps of the Lviv-Volyn coal basin based on the ecotopes floristic composition analysis of waste heaps reclaimed and ... -
Economic criteria for optimizing the number and load factor of mining transformers
(National Mining University, 2019-06-30)Purpose. This article discusses how to choose the optimal number and load factor, respectively the economic power in the first year of mining power transformers operation. The analysis is carried out based on technical-economic ... -
Economic prospects for involvement of investors to resolve economic problems of big seaports at the western Black Sea of Ukraine
(2010-04-22)На основі проведеного SWOT аналізу досліджено економічні перспективи участі інвесторів у розв’язанні економічних проблем великих морських портів у західній частині Чорного моря України.; The research of investors’ involvement ... -
Effect of blast induced rock fragmentation and muckpile angle on excavator performance in surface mines
(National Mining University, 2019-09-30)Purpose. A fit excavator in a surface mine gives a trouble free production. To maintain the condition and safety of an excavator, proper sizes of rock fragmentation and muckpile parameters are crucial besides its maintenance. ... -
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 ...