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Published in 2017 at "Bulletin of Environmental Contamination and Toxicology"
DOI: 10.1007/s00128-017-2058-x
Abstract: In this study, ambient NH3, NO, NO2, CO and SO2 were measured continuously from February, 2008, to December, 2016. The annual average mixing ratios (mole/mole) of NH3, NO, NO2, CO and SO2 were 17.8 ± 3.4 ppb; 21.2 ± 2.3 ppb,…
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Keywords:
annual variation;
trace gases;
ambient;
nh3 no2 ... See more keywords
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Published in 2020 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2020.117531
Abstract: Abstract A flexible approach for quantifying average long-term changes and seasonal cycles has been applied to the baseline mixing ratios of thirty-two trace gases monitored at the Atmospheric Research Station located at Mace Head, Ireland…
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Keywords:
atmospheric research;
baseline mixing;
trace gases;
mixing ratios ... See more keywords
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Published in 2021 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2020.118088
Abstract: Abstract The short term effect of multiple air pollutants e.g. aerosols (black carbon, BC; PM2.5 and PM10) and trace gases (NO2, SO2, and O3) on all-cause mortality was systematically investigated in a typical urban pollution…
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Keywords:
black carbon;
trace gases;
mortality;
effect ... See more keywords
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Published in 2018 at "Journal of breath research"
DOI: 10.1088/1752-7163/aad207
Abstract: Breath analysis has great potential for becoming an important clinical diagnosis method due to its friendly and non-invasive way of sample collection. Hundreds of endogenous trace gases (volatile organic compounds (VOCs)) are present in breath,…
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Keywords:
breath;
water;
sensitive spectroscopic;
trace gases ... See more keywords
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Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2894035
Abstract: This theoretical modeling and simulation the design and projected performance of an on-chip detector of trace gases using photonic matched filters, with operation in the 3–5-μm mid-infrared range. The thermo-optically tuned multi-Sagnac loop Mach–Zehnder interferometer…
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Keywords:
matched filters;
trace gases;
using photonic;
photonic matched ... See more keywords
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Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3141551
Abstract: In this letter, a new approach for the retrieval of the vertical column concentrations of trace gases from hyperspectral satellite observations is proposed. The main idea is to perform a linear spectral unmixing by estimating…
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Keywords:
trace gases;
gases hyperspectral;
unsupervised sparse;
sparse unmixing ... See more keywords
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Published in 2021 at "Atmosphere"
DOI: 10.3390/atmos12030398
Abstract: The Environmental Trace Gases Monitoring Instrument (EMI) is a high-spectral-resolution payload onboard the latest pathfinder mission GaoFen-5, designed specifically for the monitoring of global atmospheric trace gas compositions and trends This study describes a comparative…
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Keywords:
gases monitoring;
monitoring instrument;
trace gases;
trace ... See more keywords