Перегляд по назві
Зараз показуються 2708-2727 з 23055
-
Strength and strain quantities under brittle compression process of hard rocks
(National Mining University, 2018-03-30)Purpose. To examine the relationships between strength properties and strain quantities associated with the brittle compression process of hard brittle rocks. Methods. The data used in this paper were obtained from ... -
Strength Calculations of Block Elements of Room-and-Pillar Mining under the Permafrost Conditions
(London : Taylor & Francis Group, 2010)The paper covers results of rheological properties of gypsum under natural conditions of permafrost and stress-and-strain conditions of room’s roof rocks in gypsum quarries depending upon the ceiling thickness. The ... -
Stress-strain state of rock mass while mining flat coal seam under protected objects
(Видавництво НГУ, 2014)The monograph concerns the problems of determining rules of stress-strain state change of two-layer rock mass “washes-carbon” while mining flat coal seam under protected objects by the example of mines in Western Donbass. ... -
Stress-strain state of the mine massif around the chambers of the second stage of mining
(Geotechnical mechanics, 2014)A stress-strain state of the rock mass around the chambers of the second stage of mining was analyzed with the help of thermodynamic method. This study is the question of the day as the ore reserves in the chambers of the ... -
Structural bonds development in the backfill mass when changing the dispersion of the binding material
(UNIVERSITAS Publishing, 2021)Purpose. Theoretical and experimental research on the structural and strength peculiarities of the backfill mass formation during the ore deposits development by activating the binding material of the backfill mixture using ... -
STRUCTURAL CHANGES IN THE WORLD SOCIAL PRODUCTION UNDER THE CONDITIONS OF THE GLOBAL TRANSFORMATION
(2013-12-27)The article considers interdependency between two important economic processes at the present stage which are foreign investments and structural shifts in the economy. These processes have been acquiring new trends and ... -
STRUCTURAL INTERACTION OF LAYERS IN THIN FILM Fe/Tb 2 O 3
(2018)Thin films, consisting of contacting layers of iron group metals Fe, Co, Ni and rare earth metals oxides are perspective for use in spintronics. Due to exchange f–d interaction at them interface, magnetization and ... -
Structural, tectonic and fluid-dynamic aspects of deep degassing of the black sea megatrench
(National Mining University, 2017-03-30)Purpose. The problematical and controversial issues related to active gassing, deep structure, formation and evolution of the Black Sea are discussed. Methods. Geological and geophysical data (sonar, seismic and seismological ... -
STUDENTS’ COLLOCATIONAL COMPETENCE
(Літограф, 2014) -
Studieren fuer eine saubere Zukunft
(2014) -
Studies of new nonadhesive anchoring
(National Mining University, 2018-06-30)Purpose is to develop anchoring with nonadhesive high-strength roof bolting in terms of large pre-destructive deformations and its testing under laboratory conditions. Methods. Laboratory studies of hydration hardening ... -
Studies of Thermochemical Heat Recovery of Exhaust Gases of Furnaces
(Видавництво НГУ, 2017)The review of schemes and methods of thermochemical heat recovery (TCR) of exhaust flue gas for different power plants operating on hydrocarbon fuels have been performed. The essence of the heat of flue gases TCR is to ... -
Study and evaluation of the stability of underground mining method used in shallow-dip vein deposits hosted in poor quality rock
(Dnipro University of Technology, 2021-09-30)Purpose. This article proposes to analyze and determine the mining design for shallow-dip deposits hosted in poor quality rock. Methods. We used the UBC tool to find the optimal exploitation method, the Rock mass rating ... -
Study of change in the leaching solution activity after treatment with a cavitator
(National Mining University, 2019-12-30)Purpose. Increasing the valuable component content in a pregnant solution due to the activation of leaching solution with cavitation treatment in case of the borehole in-situ leaching (ISL). Methods. To obtain the cavitation ... -
Study of control processes through system analysis
(2023)System analysis is a scientific and methodological discipline that studies the principles, methods and means of studying complex objects by representing them as systems and analyzing these systems. Thus, in system analysis ... -
STUDY OF EXISTING MODES OF REDUCTIONS DURING PRODUCTION OF RAILWAY AXLES
(2018)Study of existing modes of reductions during production of railway axles.