Articles with "size fractions" as a keyword



Arsenic and Trace Metals in Three West African rivers: Concentrations, Partitioning, and Distribution in Particle-Size Fractions

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Published in 2018 at "Archives of Environmental Contamination and Toxicology"

DOI: 10.1007/s00244-018-0543-9

Abstract: Despite increasing mining activities, and fertilizer and pesticide use in agriculture, little information is available on the status of metal(loid) contamination in rivers in West Africa. Sixty water samples were collected from three significant rivers… read more here.

Keywords: metal; particle size; metal loid; size fractions ... See more keywords
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Arsenic and lead in soil: impacts on element mobility and bioaccessibility

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Published in 2021 at "Environmental Geochemistry and Health"

DOI: 10.1007/s10653-021-01008-8

Abstract: Long-term brown coal mining contributes to risk element contents in soils surrounding coal basins. However, there is a lack of bioaccessibility characterization of the risk elements in the soils at the impacted locations for estimation… read more here.

Keywords: arsenic lead; size fractions; bioaccessibility; soil ... See more keywords

Aging shapes the distribution of copper in soil aggregate size fractions.

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Published in 2018 at "Environmental pollution"

DOI: 10.1016/j.envpol.2017.10.091

Abstract: Soil aggregates are often considered the basic structural elements of soils. Aggregates of different size vary in their ability to retain or transfer heavy metals in the environment. Here, after incubation of a sieved ( read more here.

Keywords: size fractions; copper; size; soil ... See more keywords

Detailed characterization of particle size fractions of municipal solid waste incineration bottom ash

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Published in 2019 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2018.10.022

Abstract: Abstract Municipal Solid Waste Incineration Bottom Ash (MSWI BA) is of increasing interest as a secondary construction material worldwide. In most cases, MSWI BA is used in isolated conditions. However, according to the Dutch Green… read more here.

Keywords: particle size; solid waste; municipal solid; size ... See more keywords

The influence of selected grain size fractions of coal fly ash on properties of clay-cement mortars used for the flood levees construction

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-72315-0

Abstract: This study examines the influence of different grain size fractions of coal fly ash on the properties of clay-cement mortars used in flood levee construction. Dry aerodynamic separation and mesh sieving were used to obtain… read more here.

Keywords: grain size; size fractions; clay cement; fly ash ... See more keywords

Comparative Evaluation of the Bioactive Potential of a Powder and the Particle Size Fractions of Plant Organs From Dacryodes edulis, Solanum torvum, and Curcuma longa

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Published in 2024 at "Journal of Food Processing and Preservation"

DOI: 10.1155/2024/2680085

Abstract: The bioactive potential of plant organ powders depends on their bioactive compound content and is influenced by the properties of particle size fractions (PSFs). This study evaluated the effects of PSFs on total polyphenols, flavonoids,… read more here.

Keywords: condensed tannins; total polyphenols; particle size; plant ... See more keywords

The Effect of Size Fraction in Analyses of Benthic Foraminiferal Assemblages: A Case Study Comparing Assemblages From the >125 and >150 μm Size Fractions

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Published in 2018 at "Frontiers in Earth Science"

DOI: 10.3389/feart.2018.00037

Abstract: Benthic Foraminifera assemblages are employed for past environmental reconstructions, as well as for biomonitoring studies in recent environments. Despite their established status for such applications, and existing protocols for sample treatment, not all studies using… read more here.

Keywords: 125 150; benthic foraminiferal; size fractions; size fraction ... See more keywords
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Seasonal Variation of Bacterial Diversity Along the Marine Particulate Matter Continuum

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Published in 2020 at "Frontiers in Microbiology"

DOI: 10.3389/fmicb.2020.01590

Abstract: Seasonal dynamics of ocean prokaryotic communities in the free-living fraction have been widely described, but less is known about the seasonality of prokaryotes inhabiting marine particles. We describe the seasonality of bacterial communities in the… read more here.

Keywords: size fractions; fraction; size; particulate matter ... See more keywords

Improvement of Gold Leaching from a Refractory Gold Concentrate Calcine by Separate Pretreatment of Coarse and Fine Size Fractions

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Published in 2017 at "Minerals"

DOI: 10.3390/min7050080

Abstract: A total gold extraction of 70.2% could only be reached via direct cyanidation from a refractory As-, S- and C-bearing gold concentrate calcine, and the gold extraction varied noticeably with different size fractions. The reasons… read more here.

Keywords: calcine; size fractions; gold concentrate; gold extraction ... See more keywords

Response of the phytoplankton size fractions along environmental gradients from an oxygen minimum zone in the central Mexican Pacific

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Published in 2024 at "Latin American Journal of Aquatic Research"

DOI: 10.3856/vol52-issue3-fulltext-3124

Abstract: The marine phytoplankton community responds to latitudinal, longitudinal (coast to ocean), and vertical environmental gradients, an important subject in Oxygen minimum zones (OMZ). The phytoplankton structure and the effect of environmental gradients along the central… read more here.

Keywords: phytoplankton; mexican pacific; environmental gradients; central mexican ... See more keywords