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Now showing items 21-30 of 51
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 ...
New technology for mineral deposits prediction to identify prospective areas in the Zhezkazgan ore region
(Dnipro University of Technology, 2021-06-30)
Purpose. Exploration and predicting the prospective areas in the Zhezkazgan ore region to set up detailed prospecting and
evaluation works using new integrated technologies of prediction constructions in the mineral ...
Risk criteria classification and the evaluation of blasting operations in open pit mines by using the FDANP method
(Dnipro University of Technology, 2021-06-30)
Purpose. Mineral projects are heavily influenced by risk factors. By providing evidence-based information and analysis to
make informed decisions about how to choose between options, a risk assessment can be made.
Methods. ...
Factors influencing the flooding process of former coal open-pits
(Dnipro University of Technology, 2021-06-30)
Purpose. This study aims to identify the main factors that influence the flooding process of the remaining gaps of open-pits
comprising essentially the velocity and duration of flooding, but also the stability of in situ ...
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 ...
Studying the influence of the carbon dioxide injection period duration on the gas recovery factor during the gas condensate fields development under water drive
(Dnipro University of Technology, 2021-06-30)
Purpose. Studying the process of carbon dioxide injection at the boundary of the initial gas-water contact in order to slow
down the formation water inflow into producing reservoirs and increase the final hydrocarbon ...
Quality evaluation and loss estimation at gravel quarries around the Qena Governorate, Egypt: A case study
(Dnipro University of Technology, 2021-06-30)
Purpose. In recent years in Egypt there has been a significant increase in the demand for building materials, particularly
gravel which is employed in buildings, the base layer for road construction, and other industries. ...
New theory for the rock mass destruction by blasting
(Dnipro University of Technology, 2021-06-30)
Purpose. To develop a new theory for the rocks destruction by blasting using a description of the formation processes of
zones with various mass state around the charging cavity.
Methods. The new theory for the rock mass ...
Operational lifetime increase of the pumping equipment when pumping-out contaminated groundwater
(Dnipro University of Technology, 2021-03-31)
Purpose. Solving the problem of increasing the pumping equipment operational lifetime when pumping-out contaminated
groundwater in the iron-ore industry by extracting the hard, abrasive part, using magnetic filters based ...
Mineralogical characterization and evaluation of chromite ore in Grevena and Kozani Vourinos massif, Western Macedonia, Greece
(Dnipro University of Technology, 2021-03-31)
Purpose. Chromite samples from Aetoraches mine area in the southern part of the Vourinos complex in Western Macedonia,
Greece were examined from mineralogical-geochemical perspective.
Methods. Χ-ray Diffraction (XRD) ...