搜索结果: 1-12 共查到“地质学 dissolved”相关记录12条 . 查询时间(0.015 秒)
Dissolved CO2 in natural waters: development of an automated monitoring system and first application to Stromboli volcano (Italy)
Gas–water interaction Dissolved CO2 Fluid geochemistry Geochemical monitoring
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2015/8/27
The study of geochemical parameters applied to natural systems has provided improved knowledge of geochemical mechanisms of gas/rock dissolution in natural waters that are linked to gas–water and/or w...
Atmospheric dissolved iron deposition to the global oceans: effects of oxalate-promoted Fe dissolution, photochemical redox cycling, and dust mineralogy
global oceans oxalate-promoted Fe dissolution
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2014/12/12
Mineral dust deposition is suggested to be a significant atmospheric supply pathway of bioavailable iron
(Fe) to Fe-depleted surface oceans.
Photochemical, microbial and metal complexation behavior of fluorescent dissolved organic matter in the aquatic environments
photodegradation microbial degradation metal complexation
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2017/4/12
Chemical properties and reactivity of fluorescent dissolved organic matter (FDOM) are examined in this paper. They
are key issues to understand the biogeochemical processes in the aquatic environment...
Groundwaters of Mt. Vulture volcano, southern Italy: Chemistry and sulfur isotope composition of dissolved sulfate
Mt. Vulture volcano water-rock interaction silicate weathering hydrogeochemistry sulfur isotope composition
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2017/8/9
We report the chemical composition of groundwaters—including the first data on the sulfur isotopic composition of dissolved sulfate—from the volcanic aquifers of Mt. Vulture, one of the most important...
Linking allochthonous dissolved organic matter and boreal lake sediment carbon sequestration: The role of light-mediated flocculation
Linking allochthonous dissolved organic matter boreal lake sediment carbon sequestration The role of light-mediated flocculation
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2014/4/21
We measured flocculation of dissolved organic carbon (DOC) in the water from a humic lake (DOC = 14.9 mg C L-1) and from an adjacent mire (DOC = 25.7 mg C L-1), in in situ enclosure experiments with d...
Dissolved organic matter in abyssal sediments: Core recovery artifacts
Dissolved organic matter abyssal sediments Core recovery artifacts
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2014/4/22
We report measurements of pore-water dissolved organic carbon (DOC), dissolved organic nitrogen, total dissolved carbohydrates, dissolved free monosaccharides, and ammonium in recovered deep-sea sedim...
Universal scaling of dissolved oxygen distribution at the sediment-water interface: A power law
Universal scaling dissolved oxygen distribution the sediment-water interface A power law
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2014/5/13
Dissolved oxygen (DO) distribution at the sediment-water interface of a flow over a smooth bed is investigated for Reynolds numbers >360 and <4,090. These conditions are commonly encountered in stream...
Determination of the influence of pressure and dissolved water on the viscosity of highly viscous melts: Application of a new parallel-plate viscometer
Determination pressure dissolved water viscosity highly viscous melts:Application new parallel-plate viscometer
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2012/4/1
A parallel-plate viscometer has been designed for use in an internally heated pressure vesse
(IHPV) at pressures up to 350 MPa and at temperatures up to 900 ?C. The viscosity of a melt is
determined...
Structural environment of krypton dissolved in vitreous silica
Structural environment krypton dissolved vitreous silica X-ray
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2012/4/1
X-ray absorption measurements on Kr dissolved homogeneously in vitreous silica (1.97 wt% Kr)
have been carried out at the Kr K-edge at 4.5 K, representing the first direct determination of the sites
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Effects of microbial activity on the 18O of dissolved inorganic phosphate and textural features of synthetic apatites
microbial activity inorganic phosphate textural features synthetic apatites
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2012/4/1
Laboratory growth experiments were conducted to investigate the oxygen isotope effects associated with bacterial metabolism of phosphatic compounds commonly available in nature. The observed oxygen is...
The Effect of Dissolved Ligands on the Sorption of Cu(II) by Ca-Montmorillonite
Adsorption β-alanine Copper Ethylenediamine Malonic acid Modeling Montmorillonite
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2011/12/28
The effects of three organic ligands on the adsorption of copper on Ca-montmorillonite were studied. The results indicate that these effects include three different processes: Enhanced uptake of posit...
The Effect of Dissolved Ligands upon the Sorption of Cu(II) by Ca-Montmorillonite
Adsorption β-alanine Copper Ethylenediamine Malonic acid Modeling Montmorillonite
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2011/12/30
The effect of three organic ligands on the adsorption of Cu on Ca-montmorillonite was studied. The results indicate that these effects include three different processes: Enhanced uptake of positively ...