Mobility and removal of nitrate in heterogeneous Eocene aquifers [PDF]
n a study of the principles of lateral and vertical nitrate mobility and removal in unconfined heterogeneous fine sandy Eocene aquifers by long-term observation, no significant nitrate reduction could be observed over ...
Eppinger, Ralf, Walraevens, Kristine
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Groundwater circulation model in the extremely arid area of Heiyingshan, Ejina
The Heiyingshan region, located in Ejina, Inner Mongolia, is characterized by an extremely arid climate and predominantly saline groundwater. This acute water scarcity poses substantial challenges to regional socio-economic development and ecological ...
Gaoxin XIAO +7 more
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ObjectivesIn order to understand the indicative significance of the geochemical behavior of rare earth elements (REEs) in deep karst geothermal water of the coalfield in North China.MethodsTaking the Pingdingshan coalfield as an example, the distribution
LI Yanhe +5 more
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On the Specifics of Formation of the Qualitative Characteristics of Waters and Sediments in the Lena River Delta [PDF]
The paper considers the qualitative characteristics (chemical composition of waters and sediments, biological diversity) of the Lena runoff and their transformation as a result of the biogeochemical pro-cesses taking place in the delta region.
A.A. Chetverova +5 more
doaj
Backwater in retention reservoirs is potentially exposed to various contaminants, such as nutrients or heavy metals. Therefore, actions performed at the construction planning stage for such a facility are crucial; they are aimed at precisely evaluating ...
Maksymilian Połomski +3 more
doaj +1 more source
Overspeed correction scheme for dc motor using artifical intelligent approach [PDF]
The conventional PI, PD and PID controllers were used as a control strategy for various industrial processes from many years due to their simplicity in operation.
Bollah, Javadius
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Assessment of Groundwater Quality in the Semi-Arid Environment: Implications of Climate Change
The hydrogeochemical properties and evolution of groundwater in the Essaouira syncline basin in northwestern Morocco were investigated in this study, with a total of 447 samples during different campaigns (April 2017, May 2018, March 2019, and July 2020).
Otman El Mountassir +4 more
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Impact of recent climate variability on an aquifer system in north Belgium [PDF]
The last decade it has been realised that climate and global change can (and very likely will affect) groundwater reserves. This will have impact on both the economical (groundwater exploitation) and ecological (ecosystems) aspects of aquifer systems.
Martens, Kristine +2 more
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Groundwater chemistry of the Lenjanat District, Esfahan Province, Iran [PDF]
Groundwater / Surface water / Water quality / Wells / River Basins / Iran / Esfahan Province / Lenjanat District / Zayandeh Rud Basin / Chadegan Dam / Zagros ...
Gieske, A. +2 more
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Abiotic Typology of the Rivers and Lakes of the Ukrainian Section of the Western Bug River Basin and its Comparison with Results of Polish Investigations [PDF]
The completed investigation, which are based on the requirements of the EU WFD and rivers typology systems adapted in Ukraine and Poland, allowed us to identify: for the Western Bug river basin within Ukraine 9 abiotic river types, within Poland – 7.
Grebin, Vasyl V. +2 more
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