Results 21 to 30 of about 7,599 (216)

Thoughts on planning of Tianjin Zhangdaokou seismological observatory

open access: yes地震科学进展, 2020
This paper briefly introduces the history of Zhangdaokou seismological station and analyzes the present situation. The paper also suggests that the station needs to be replanned and renovated.
Boyang Wu   +5 more
doaj   +1 more source

The technological development of drinking water treatment plants in the Czech Republic

open access: yesWater Policy, 2023
Several actors have an impact on the quality of drinking water, but ultimately drinking water treatment plants (DWTPs) play a decisive role in ensuring that water quality complies with public regulations.
Geir Inge Orderud   +6 more
doaj   +1 more source

Assessing the Influences of Land Use Change on Groundwater Hydrochemistry in an Oasis-Desert Region of Central Asia

open access: yesWater, 2022
Land use change greatly affects groundwater hydrochemical cycling and thereby food and ecosystem security in arid regions. Spatiotemporal distribution of groundwater hydrochemistry is vital to understand groundwater water-salt migration processes in the ...
Wanrui Wang   +6 more
semanticscholar   +1 more source

High-Density Microalgae Cultivation in Open Thin-Layer Cascade Photobioreactors with Water Recycling

open access: yesApplied Sciences, 2020
(1) Background: Recycling of water and non-converted nutrients is considered to be a necessity for an economically viable production of microalgal biomass as a renewable feedstock.
Torben Schädler   +6 more
doaj   +1 more source

Anthropogenic pressure on the largest lakes of the River Tywa catchment

open access: yesLimnological Review, 2017
The largest lakes of the River Tywa basin i.e. Strzeszowskie, Dołgie, Swobnica and Dłużec (north-west Poland, West Pomeranian Lakeland) were studied in the period 2008–2013, usually in a six week cycle. The aim of the study was to determine the degree of
Kubiak Jacek   +3 more
doaj   +1 more source

Validation of hydrogeochemical databases for problems in deep geothermal energy

open access: yesGeothermal Energy, 2018
Hydrogeochemical modelling has become an important tool for the exploration and optimisation of deep hydrogeothermal energy resources. However, well-established software and model concepts are often run outside of its temperature, pressure, and salinity ...
Thorsten Hörbrand   +2 more
doaj   +1 more source

The hydrochemistry and water quality of glacierized catchments in Central Asia: A review of the current status and anticipated change

open access: yesJournal of Hydrology: Regional Studies, 2021
Study region: Glacierized catchments in Central Asia Study focus: The literature on hydrochemistry and water quality was reviewed to identify gaps in knowledge required to understand and quantify the impacts of climate change and deglacierization.
Vadim Yapiyev   +5 more
doaj   +1 more source

Assessment of the Evolution of Groundwater Chemistry and Its Controlling Factors in the Huangshui River Basin of Northwestern China, Using Hydrochemistry and Multivariate Statistical Techniques

open access: yesInternational Journal of Environmental Research and Public Health, 2021
Groundwater is an eco-environmental factor and critical resource required for human life and socioeconomic development. Understanding the evolution of groundwater chemistry and its controlling factors are imperative for preventing its deterioration and ...
Bing Zhou, Huiwei Wang, Qianqian Zhang
semanticscholar   +1 more source

Assessment of Anthropogenic Load on the Ile River Ecosystem Considering Regional Peculiarities

open access: yesApplied Sciences
The Ile River is the main water artery of the Lake Balkhash basin and the main fresh water resource supplying the south-eastern part of Kazakhstan. Increasing human economic activity makes it necessary to assess the anthropogenic load of the river on ...
Ainur Mussakulkyzy   +5 more
doaj   +1 more source

Rippled scales in a geothermal facility in the Bavarian Molasse Basin: a key to understand the calcite scaling process

open access: yesGeothermal Energy, 2020
Mineral precipitates, scales, are wide-spread in geothermal facilities and hamper technical and economic efficiency. Scales reported from earlier studies in the Bavarian Molasse Basin consisted mostly of calcite, appeared rather homogeneous, grew flat ...
Bernhard Köhl   +2 more
doaj   +1 more source

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