Results 51 to 60 of about 75,315 (126)

Statistical optimization of biosorption of Reactive Orange 13 by dead biomass of Rhizopus arrhizus NCIM 997 using response surface methodology

open access: yesInternational Journal of Industrial Chemistry, 2015
BackgroundIncreasing environmental awareness is forcing waste creators to consider new options such as biosorption for the disposal of colored wastewaters.
S. Saraf, V. Vaidya
semanticscholar   +1 more source

Energy efficiency of belt conveyor at constant speed operation [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2015
Belt conveyor drives at the open pit mines consist of motors with large installed power. Each analysis of their energy efficiency presents an important factor for proper control to achieve better financial effects.
Štatkić Saša   +3 more
doaj   +1 more source

Soil oscillation law parameter determination with the application of Lagrange's theorem at the 'Kovilovača' open pit [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2015
Large scale mining as a method of extraction of mineral raw materials have a growing application with the aim to increase the quantity of blasted mass, and to reduce costs of production as well. Increasing the quantity of blasted mass requires the use of
Lutovac Suzana   +3 more
doaj   +1 more source

Thermodynamic calculations in the Cu-In-Sn system [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2015
Tin based alloys with addition of indium and copper are well discussed from the point of phase diagrams, but there are still properties which are not measured or calculated. Therefore, in this paper some calculations were performed in order to obtain the
Milosavljević Aleksandra, Kostov Ana
doaj   +1 more source

Mechanisms of hydrogen evolution on chromium [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2015
In this work, the mechanisms of hydrogen evolution on the metal chromium in a solution of 0.1 M Na2SO4 + H2SO4, pH 1 to pH 7 were analysed. In the pH < 3 range, hydrogen is evolved according to three different mechanisms, depending on the experimental ...
Jegdić Bore   +3 more
doaj   +1 more source

Impact of drilling in the open pit mining on the environment [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2017
In order to provide better and easier loading of useful component and overburden, the drilling and blasting belong to the important work operations at the open pits.
Mikić Miomir   +3 more
doaj   +1 more source

Driving power verification of the apron feeder for ore transportation [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2017
This paper gives the methodology for driving power calculation of an apron feeder for ore transportation on the example of the apron feeder DO-F in the open pit of the Copper Mine Majdanpek.
Rajković Branislav   +2 more
doaj   +1 more source

Analysis of coal quality in a function of selection level for mining at the open pit Gacko [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2017
This work analyzes the quality of coal in the function level selection for exploitation. A detailed analysis was carried out for the main coal seam, the first floor seam, the second floor seam and the overlying coal series of the coal deposit Gacko of 0 ...
Stepanović Saša   +3 more
doaj   +1 more source

Quality management in the tourism industry [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2017
The traditional approach to the management in the function of quality the tourist industry has not offered the high quality product or service. Namely, dissatisfaction is a response to the managerial approach, reduced customer satisfaction, and small ...
Katanić Zoran   +2 more
doaj   +1 more source

Options of implementation the modern business quality management methods in mining [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2017
Modern business conditions, which are reflected in the process of the world market globalization, inevitably influence all spheres of business. With the aim of continued existence, the growth and development, companies in all sectors are required to ...
Đokić Aleksandar   +2 more
doaj   +1 more source

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