Results 21 to 30 of about 1,584,676 (342)

Groundwater treatment by combining the electrokinetic process with permeable reactive barriers containing granular activated carbon [PDF]

open access: yesمهندسی عمران شریف
Today, groundwater plays an undeniable role in supplying water for the communities. In recent years, the extensive use of chemical fertilizers and improper wastewater treatment from industrial sites has led to several environmental problems, such as an ...
M. Rokneddin, N. Mokhtarani
doaj   +1 more source

Study of holy water consumed to treat gastrointestinal ailments in gold deposit areas of May-Hibey, Northwestern Tigray, Ethiopia

open access: yesH2Open Journal, 2023
In Ethiopia, holy water is used to treat various ailments. This study examined the safety of holy water in May-Hibey, NW Tigray, Ethiopia consumed to treat gastrointestinal ailments.
Goitom Gebreyohannes Berhe   +2 more
doaj   +1 more source

Sulfate Reduction in Sediments Produces High Levels of Chromophoric Dissolved Organic Matter [PDF]

open access: yes, 2017
Sulfate reduction plays an important role in altering dissolved organic matter (DOM) in estuarine and coastal sediments, although its role in the production of optically active chromophoric DOM (CDOM) and a subset of fluorescent DOM (FDOM) has not been ...
Gonsior, Michael   +4 more
core   +2 more sources

Development of affinity-based delivery of NGF from a chondroitin sulfate biomaterial. [PDF]

open access: yes, 2011
Chondroitin sulfate is a major component of the extracellular matrix in both the central and peripheral nervous systems. Chondroitin sulfate is upregulated at injury, thus methods to promote neurite extension through chondroitin sulfate-rich matrices and
Butterfield, Karen Chao   +2 more
core   +1 more source

Anthropogenic signals recorded in an ice core from Eclipse Icefield, Yukon Territory, Canada [PDF]

open access: yes, 2001
Trends in the annual flux of sulfate and nitrate in a new ice core collected at an elevation of 3017 m on Eclipse Icefield, 45 km northeast of Mt. Logan were examined to determine the effect of anthropogenic activity on precipitation chemistry in the ...
Wake, Cameron P, Yalcin, Kaplan
core   +3 more sources

Tris(4-hydroxypyridinium) hydrogen sulfate–sulfate monohydrate [PDF]

open access: yesActa Crystallographica Section E Structure Reports Online, 2009
En la estructura cristalina de la sal del título, 3C(5)H(6)NO (+) · HSO(4) (-) · SO (4) (2-) · H(2)O, el ion de sulfato de hidrógeno está unido al ion de sulfato por un enlace de hidrógeno O-H O. El anión sulfato de hidrógeno-sulfato es un aceptor de enlaces de hidrógeno para los tres cationes independientes y el mol-ecule de agua no coordinado, las ...
Yingming Xu, Shan Gao, Seik Weng Ng
openaire   +2 more sources

Solid–Liquid Phase Equilibria of the Aqueous Quaternary System Rb+, Cs+, Mg2+//SO42− - H2O at T = 323.2 K

open access: yesSeparations
Sulfate-type salt lakes constitute over half of the total salt lakes in China and are rich in rare elements, such as rubidium and cesium. However, the complex interactions between ions make the separation and extraction process quite challenging.
Zhangfa Yu   +7 more
doaj   +1 more source

Biotechnological aspects of sulfate reduction with methane as electron donor [PDF]

open access: yes, 2010
Biological sulfate reduction can be used for the removal and recovery of oxidized sulfur compounds and metals from waste streams. However, the costs of conventional electron donors, like hydrogen and ethanol, limit the application possibilities.
Lens, P.N.L.   +2 more
core   +2 more sources

Sulfate Mobility in Fen Peat and Its Impact on the Release of Solutes

open access: yesFrontiers in Environmental Science, 2019
Sea-level rise coupled with land subsidence from wetland drainage exposes increasingly large areas of coastal peatlands to seawater intrusion. Seawater contains high concentrations of sulfate (SO42−), which can alter the decomposition of organic matter ...
Lennart Gosch   +5 more
doaj   +1 more source

Chemical Mechanisms Involved in the Coupled Attack of Sulfate and Chloride Ions on Low-Carbon Cementitious Materials: An In-Depth Study

open access: yesApplied Sciences, 2023
This study aims to analyze the individual and combined chemical attacks of sulfate and chloride ions on cementitious materials and assess the efficiency of some selected additives (fly ash, blast furnace slag, and metakaolin) in countering this combined ...
François El Inaty   +3 more
doaj   +1 more source

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