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Yuliya Zaloznova, Nataliia Trushkina
Pág. 27 - 36
Performance features of coal mining enterprises in terms of organization of the marketing activity have been studied, including: constant fluctuations of the market of coal products; economic sensitivity to the irregular demand for coal (surplus or defic...
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Yulia Finogenova, Denis Domaschenko, Olga Boyko, Victor Krylov
Pág. 33 - 46
The economies of the countries exporting oil and gas generally have a positive balance of trade and a current account surplus. However, among them there are countries facing the problem of capital outflows under the financial account of the trade balance...
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Sara Remelli, Emma Petrella, Alessandro Chelli, Federica Delia Conti, Carlos Lozano Fondón, Fulvio Celico, Roberto Francese and Cristina Menta
Landslides are common in the Northern Apennines (Italy) and their resulting changes in soil structure affect edaphic fauna biodiversity, whose activity has concurrent impacts on soil structural stability and water-holding capacity. The aim of this study ...
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Karolína Bílá
We attempt here to review recent studies focusing on droughts and hydrology in the ?umava Mts. The main question is can bark beetles affect water regimes in forest and what kind of measures might be taken ? if any ? to prevent bark beetle attacks. We com...
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Fusheng Chao, Xin Jiang, Xin Wang, Bin Lu, Jiahui Liu and Pinhua Xia
The intensifying global decline in submerged aquatic lake plants is commonly attributed to lake eutrophication, while other drivers such as water levels are seldom considered. This study focused on the sudden extinction of the submerged plants in Caohai ...
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Bojan Milovanovic, Predrag Vojt, Budo Zindovic, Vladan Kuzmanovic and Ljubodrag Savic
This paper presents a methodology for estimation of hydrodynamic loads acting on the bottom and at the walls of a stilling basin of a stepped chute with converging walls, based on the pressure measurements at the selected points of a scale model. This is...
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Nair Emmanuela da Silveira Pereira, Susana Beatriz Vinzón, Marcos Nicolás Gallo and Mariela Gabioux
On the southeastern coast of Brazil, the bays of Ilha Grande and Sepetiba are linked by the Ilha Grande Channel, where remarkably strong currents have been consistently observed. Tidal forces cannot explain the strength of these currents. Previous resear...
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Dzhema Melkonyan and Sherin Sugathan
Increasing groundwater levels (GWLs) may become one of the most serious issues for the city of Odessa, Ukraine. This study investigated the spatial distribution characteristics and multifractal scaling behaviour of the groundwater-level/-depth fluctuatio...
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Chi Zhang, Yaguo Lyu, Le Jiang and Zhenxia Liu
The numerical simulation method was used to investigate the deflection and deformation process of a circular lubricating oil jet in transverse shear airflow. The numerical model was compared and validated against the experimental data. The physical param...
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Min-Joon Kim and Thi-Thu-Huong Le
This study delves into the intricate relationship between fluctuations in the real exchange rate and the trade balance, situated within the framework of a ?two-country? trade theory model. Despite a wealth of prior research on the impact of exchange rate...
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