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9.056  Articles
1 of 907 pages  |  10  records  |  more records»
The problem of mining low-thickness coal seams in the Western Donbas is described in the article. Technological, economic and environmental reasons reducing the effectiveness of traditional technologies for their development are analyzed in detail and the... see more

The use of mixed integer programming is a modelling approach well suited to formulate the mine scheduling optimisation problem for both open pit and underground mining. The resolution applied for discretising the problem, however, has a direct effect on b... see more

The provision of the energy system of Ukraine with a stable supply of coal in the long term demands calculation of the capacity of the exploitable deposits. Ukrainian deposits are characterized by insignificant thickness and complicated mining-geological ... see more

This paper examines the effects of gravel mining on the suspended sediment transport in the Upper River Cinca (Central Pyrenees). Discharge, sediment transport and sediment grain-size distribution were measured, sampled and further determined in five moni... see more

Lion Air is part of PT. Lion Group, which is a airline in Indonesia and a low-cost airline based in Jakarta, Lion Air throughout the year experienced an increase in its fleet and an increase in the number of flights, the greater the need for cabin crew, i... see more

In this paper, the student navigation paths and student or visitor interested page is identified. Student navigation interest pattern mining contains both the frequently navigation path based on webpage memory size and session length .Relatively comparing... see more

Characterization of dolomite samples from Bone Bolango, Gorontalo Province have been performed with the objective to find out their mineralogical and chemical compositions. Observation and mineral analyses were carried out by means of microscopy and X-ray... see more

The study concerned the silvicultural stands of Aleppo pine in subhumid and semi-arid bioclimatic stage in Morocco. It aims at reporting the silviculture of the species, by reviewing the basic concepts and rules related to forestry actions giving attentio... see more

The Katowice conurbation is the largest traditional economic region in Central Europe and simultaneously a complex settlement system. Yet it faces numerous problems. The article attempts to answer the questions: (1) Does the hitherto relatively uniform ec... see more

1 of 907 pages  |  10  records  |  more records»