Пошук
Зараз показуються 241-250 з 382
Improvement of safety management system at the mining enterprises of Ukraine
(National Mining University, 2020-06-30)
Purpose. Search for ways and their analysis to improve the safety of mining operations at coal mines in case of inadequate perception of risks or deliberate violation of occupational safety.
Methods. An integrated approach ...
Geostatistical analysis of the nickel source in Gllavica mine, Kosovo
(National Mining University, 2020-06-30)
Purpose. Geological research character and real quality assessment of Nickel source based on the geostatistical survey analysis and comparing the block quality grade results by assessing present mining condition of nickel ...
Origin of barite deposits in dolomite-limestone units, Gazipasa, Eastern of Antalya: geology, geochemistry, statistics, sulfur isotope composition
(National Mining University, 2020-03-30)
Purpose. Gazipasa region is one of the most important barite mineralization of Turkey. To investigate the main origin
properties of Gazipasa barite deposits, conditions of their genesis and occurrence.
Methods. To ...
Features of legal support for the operation of small atypical Ukrainian coal mines under contractual conditions of a public-private partnership
(National Mining University, 2020-06-30)
Purpose is to study and develop the economic and legal model of small atypical coal mines basing upon the analysis of the operations under contractual condition of public-private partnership as well as upon adequate ...
Modeling of the lifting of a heat transfer agent in a geothermal well of a gas condensate deposit
(National Mining University, 2020-06-30)
Purpose is to develop mathematical model of nonisothermal inflow and lifting of the recovered gaseous mixture (i.e. geothermal fluid) of a well taking into consideration dynamic coefficient of heat transfer and thermal ...
Stability of the overworked slightly metamorphosed massif around mine working
(National Mining University, 2020-06-30)
Purpose. The study of mechanisms of the overworked slightly metamorphosed massif stability around mine working using the example of laminal rocks in the Western Donbas (Ukraine).
Methods. The analysis of the overworking ...
Assesing a risk of roof fall in the development mine workings in the process of longwall coal mining in terms of Ukrainian mines
(National Mining University, 2020-03-30)
Purpose is the analysis of the available approaches used to determine risks of injures of miners and the development of a new method to assess risks of roof fall in the development mine workings, which maintain long stopes ...
Research into stress-strain state of the rock mass condition in the process of the operation of double-unit longwalls
(National Mining University, 2020-06-30)
Purpose. To substantiate changes in stress-strain state of rock mass in the process of long-pillar mining with the help of double-unit longwalls while evaluating stress of a mine field in terms of Lvivvuhillia SE mine.
Methods. ...
Prediction of tunnel boring machine penetration rate using ant colony optimization, bee colony optimization and the particle swarm optimization, case study: Sabzkooh water conveyance tunnel
(National Mining University, 2020-06-30)
Purpose. The purpose of this study is to use a novel approach to estimate the tunnel boring machine (TBM) penetration rate in diverse ground conditions.
Methods. The methods used in this study include ant colony optimization ...
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 ...