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   Articles with "background concentrations" as a keyword



Choose Your Procedure Wisely: Removal of Outliers is Inappropriate for Estimating Background Concentrations of Trace Elements in Soil

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recommendations! Published in 2022 at "Environmental Toxicology and Chemistry"

DOI: 10.1002/etc.5550

Abstract: Background concentrations of trace elements in soil, i.e., the natural abundances of metals and metalloids in soil, have been the subject of much scientific discussion. This article attempts to clarify the concept, particularly from the… read more here.

Keywords: toxicology; chemistry; concentrations trace; background concentrations ... See more keywords

High contributions of vehicular emissions to ammonia in three European cities derived from mobile measurements

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recommendations! Published in 2018 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2017.11.030

Abstract: Abstract Ambient ammonia (NH3) measurements were performed with a mobile platform in three European cities: Zurich (Switzerland), Tartu (Estonia) and Tallinn (Estonia) deploying an NH3 analyzer based on cavity ring-down spectroscopy. A heated inlet line… read more here.

Keywords: traffic; nh3; background concentrations; european cities ... See more keywords

Background concentrations of PMs in Xinjiang, West China: An estimation based on meteorological filter method and Eckhardt algorithm

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recommendations! Published in 2019 at "Atmospheric Research"

DOI: 10.1016/j.atmosres.2018.09.008

Abstract: Abstract Quantitative evaluation of background concentrations of pollutants in atmospheric field can help us implement effective measures to improve air quality. The aim of this study was to estimate background concentrations of PM10 and PM2.5… read more here.

Keywords: background concentrations; xinjiang; background; filter ... See more keywords

Geochemical indices and regression tree models for estimation of ambient background concentrations of copper, chromium, nickel and zinc in soil.

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recommendations! Published in 2018 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2018.06.138

Abstract: Geochemical ratios between elements of environmental concern and Fe have been recommended for estimation of "background" concentrations of Cr, Cu, Ni and Zn in soil. However, little research has occurred to assess the consistency of… read more here.

Keywords: background concentrations; models estimation; regression tree; background ... See more keywords

Environmental and anthropogenic influences on ambient background concentrations of fluoride in soil.

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recommendations! Published in 2018 at "Environmental pollution"

DOI: 10.1016/j.envpol.2018.07.083

Abstract: Excess exposure to fluoride causes substantive health burden in humans and livestock globally. However, few studies have assessed the distribution and controls of variability of ambient background concentrations of fluoride in soil. Ambient background concentrations… read more here.

Keywords: background concentrations; concentrations fluoride; fluoride soil; soil ... See more keywords
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Comparison of near-background concentrations of Argon-37 and Xenon-133 in the atmosphere.

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recommendations! Published in 2021 at "Journal of environmental radioactivity"

DOI: 10.1016/j.jenvrad.2021.106590

Abstract: Radioisotopes of the noble gases xenon and argon can be important indicators of underground nuclear explosions. The Comprehensive Nuclear-Test-Ban Treaty (CTBT) includes monitoring capabilities to identify potential nuclear explosions conducted in violation of the CTBT.… read more here.

Keywords: background concentrations; argon xenon; near background; concentrations argon ... See more keywords

Modeling Desorption Rates and Background Concentrations of Heavy Metals Using a One-Dimensional Approach

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recommendations! Published in 2025 at "Toxics"

DOI: 10.3390/toxics13060421

Abstract: Harmful heavy metals (HHMs) in marine sediments pose significant ecological and human health risks. This research developed a novel one-dimensional mathematical model to investigate the desorption rates and background concentrations (Cbg) of HHMs in cohesive… read more here.

Keywords: rates background; desorption rates; one dimensional; heavy metals ... See more keywords