Перегляд Періодичні видання НТУ "Дніпровська політехніка" по назві
Зараз показуються 91-110 з 3461
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Developing information systems of operation schedules to stabilize the grade of a mineral
(National Mining University, 2017-12-30)Purpose. To develop information technology making it possible to obtain ore flow with the required grade parameters in the context of open-pit mining owing to the implementation of methods and algorithms optimizing operation ... -
Development and analysis of computational model of geomechanical system “layered massif – working support”
(National Mining University, 2016-06-30)Purpose. Substantiating the method for forecasting rock pressure manifestation in the system “layered massif – working support” on the basis of displacement patterns detection at any arbitrary point of the preparatory ... -
Development and testing of an algorithm for calculating the load on support of mine workings
(Dnipro University of Technology, 2021-03-31)Purpose. The purpose is to develop the calculation methods for minimizing the load on the fastening system of the preparatory mine working in difficult mining and geological conditions of its maintenance. Methods. By ... -
Development of a model of contact shoe brake-drum interaction in the context of a mine hoisting machine
(National Mining University, 2017-12-30)Purpose. To develop models of contact brake shoe-drum interaction of a mine hoisting machine while braking, taking into account final bending stiffness of a beam and the effect of friction forces on the distribution of a ... -
Development of a research methodology and analysis of the stress state of a parting under the joint and downward mining of coal seams
(National Mining University, 2018-03-30)Purpose. The investigation of the stress-strain state (SSS) of a parting under the joint and downward mining of coal seams. Methods. The studies have been carried out on the basis of a computational experiment by means ... -
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 ...