Results 21 to 30 of about 249,617 (336)

Influence of aluminium content on the microstructure and densification of spark plasma sintered nickel aluminium bronze

open access: yesManufacturing Review, 2021
In this study, nickel aluminium bronze alloys (NAB) with appreciable densification and improved microhardness was consolidated via spark plasma sintering technique.
Okoro Avwerosuoghene Moses   +3 more
doaj   +1 more source

Dynamics of development the works of roof coal series of the open pit Gacko by the software Gemcom Gems: Module cut evaluation [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2016
This work presents a method of determining the dynamics of development the open pit Gacko in the zone roof coal series with the annual capacity 3∙106 t/year of run-of-mine coal using the module cut evaluation of the software package Gemcom Gems. Defining
Stanić Nikola   +3 more
doaj   +1 more source

The Effect of Training and Development on Employee Attraction and Retention in the Gold Mining Sector in Zimbabwe

open access: yesInternational Journal of Scientific and Management Research, 2023
The purpose of this study is to establish the effect of training and development on employee attraction and retention in the mining sector in Zimbabwe.
Dr. Munyaradzi Chikove
semanticscholar   +1 more source

A Novel Modification Method of Stainless-steel Electrode for Sulfur Preparation by Reduction of Sulfur Dioxide

open access: yesElectrochemistry, 2020
A novel modification method of stainless-steel electrode for reduction of sulfur dioxide to prepare sulfur was reported. Sulfur dioxide can spontaneously react with modified stainless-steel electrode at a rate of 12.77 mA/cm2 to produce sulfur under ...
Zhengyang ZHANG, Haibei WANG, Liugen SUN
doaj   +1 more source

Protection system against water at the open pit Gacko with collective water collector as the capital structure [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2016
Protection of the open pit against water is very important, especially if the open pit is located in the complex conditions regarding protection of the open pit against water.
Doderović Aleksandar   +2 more
doaj   +1 more source

Mine subsidence prediction using gene expression programming based on multivariable symbolic regression

open access: yesITEGAM-JETIA, 2021
Accurate prediction of surface subsidence becomes a significant challenge for active industrial companies in coal mining fields due to the importance of the economic impacts of longwall mining-induced subsidence.
Hadi Rasouli   +2 more
doaj   +1 more source

Studies on availability of the mining equipment: An overview

open access: yesMining and Metallurgy Engineering Bor, 2023
Mining mechanization works in very difficult working conditions, where high productivity, availability, reliability and safety are constantly expected from this mechanization, as the carrier of production.
Miljan Gomilanović   +3 more
semanticscholar   +1 more source

Innovative Development of Student Skills in Raw Materials Engineering Programs

open access: yesU.Porto Journal of Engineering, 2022
The CDIO Initiative (Conceive, Design, Implement, Operate), successfully adopted in those engineering disciplines where the final result is the design and engineering of an innovative product, had not achieved such penetration, however, in other areas ...
Javier Angel Ramírez Masferrer   +2 more
doaj   +1 more source

Benefits of application the modern technology of mechanized charging the boreholes at the OP Potrlica Pljevlja [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2017
In order to improve the blasting technology, the Coal Mine Pljevlja bought a vehicle for mechanized charging of boreholes. The application of this technology has significantly improved the effects and improved the conditions of blasting at the Open Pit ...
Stanić Nikola   +3 more
doaj   +1 more source

Assessment of errors in the transmission of the orientation and cartographic system from the surface to an underground mine [PDF]

open access: yes, 2020
An accurate transmission of the orientation between surface and underground workings, by means of vertical shafts, is a major challenge in the mining industry, especially for deep mines.
Bascompta Massanes, Marc   +2 more
core   +1 more source

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