Articles with "organic nitrogen" as a keyword



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Water Soluble Organic Nitrogen (WSON) in Ambient Fine Particles Over a Megacity in South China: Spatiotemporal Variations and Source Apportionment

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017jd027327

Abstract: Organic nitrogen aerosols are complex mixtures and important compositions in ambient fine particulate matters (PM2.5), yet their sources and spatiotemporal patterns are not well understood particularly in regions influenced by intensive human activities. In this… read more here.

Keywords: nitrogen; wson; organic nitrogen; water soluble ... See more keywords
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A streamlined method to quantify the fates of 15N in seawater samples amended with 15N‐labeled organic nitrogen

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Published in 2019 at "Limnology and Oceanography: Methods"

DOI: 10.1002/lom3.10345

Abstract: Quantifying the fate of organic nitrogen in aquatic systems is important to improve understanding of its recycling efficiency and long‐term preservation. The fate of organic nitrogen can be investigated with 15N labeling techniques, but relative… read more here.

Keywords: streamlined method; fates 15n; nitrogen streamlined; 15n labeled ... See more keywords
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Determining Inorganic and Organic Nitrogen.

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Published in 2018 at "Methods in molecular biology"

DOI: 10.1007/7651_2018_128

Abstract: Nitrogen (N) is one of the key nutrients for algal growth and is an integral part of many cellular components, for example in proteins. Being able to determine the inorganic and organic pools of N… read more here.

Keywords: nitrogen; organic nitrogen; determining inorganic; inorganic organic ... See more keywords
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Seasonal nitrogen fluxes of the Lena River Delta

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Published in 2021 at "Ambio"

DOI: 10.1007/s13280-021-01665-0

Abstract: The Arctic is nutrient limited, particularly by nitrogen, and is impacted by anthropogenic global warming which occurs approximately twice as fast compared to the global average. Arctic warming intensifies thawing of permafrost-affected soils releasing their… read more here.

Keywords: nitrogen; lena river; organic nitrogen; river delta ... See more keywords

Effects of irrigation and nitrogen fertilization on greenhouse soil organic nitrogen fractions and soil-soluble nitrogen pools

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Published in 2019 at "Agricultural Water Management"

DOI: 10.1016/j.agwat.2019.02.020

Abstract: Abstract Soil organic nitrogen fractions and soil-soluble nitrogen pools are important indicators of soil fertility and plant nutrition requirements. However, little is known about soil organic nitrogen fractions and their correlations with soil mineral nitrogen… read more here.

Keywords: nitrogen; fractions soil; soil organic; organic nitrogen ... See more keywords
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Different forms of nitrogen deposition show variable effects on soil organic nitrogen turnover in a temperate forest

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Published in 2022 at "Applied Soil Ecology"

DOI: 10.1016/j.apsoil.2021.104212

Abstract: Abstracts The mineralization of soil organic nitrogen (N) catalyzed by N-hydrolyzing enzymes plays a major role in ecosystems N cycling. However, the responses of this biochemical process to N deposition, particularly different N types, remain… read more here.

Keywords: mix deposition; deposition; soil organic; organic nitrogen ... See more keywords
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Origin of the water-soluble organic nitrogen in the maritime aerosol

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Published in 2017 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2017.07.050

Abstract: Abstract In order to clarify the production process for the particulate WSON in the maritime atmosphere, measurements of the WSON and the associated species in the aerosols were conducted at the coastal site on Rishiri… read more here.

Keywords: organic nitrogen; soluble organic; water soluble; maritime ... See more keywords
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Removal of bioavailable dissolved organic nitrogen in wastewater by membrane bioreactors as posttreatment: Implications for eutrophication control.

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Published in 2019 at "Bioresource technology"

DOI: 10.1016/j.biortech.2018.09.009

Abstract: Bioavailable dissolved organic nitrogen (ABDON) is the component of dissolved organic nitrogen (DON) which supports the growth of algae. Previous research indicates that a membrane bioreactor (MBR) is effective in reducing DON, however, its ability… read more here.

Keywords: organic nitrogen; removal; bioavailable dissolved; dissolved organic ... See more keywords
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A green and robust method to measure nanomolar dissolved organic nitrogen (DON) by vacuum ultraviolet

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.01.124

Abstract: Abstract Quantifying trace dissolved organic nitrogen (DON) in water is currently challenging for conventional methods not only because of the presence of dissolved inorganic nitrogen (DIN) species, which usually dominate in total nitrogen (TN), but… read more here.

Keywords: dissolved organic; method; nitrogen; organic nitrogen ... See more keywords
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Characteristics of dissolved organic nitrogen in overlying water of typical lakes of Yunnan Plateau, China

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Published in 2018 at "Ecological Indicators"

DOI: 10.1016/j.ecolind.2017.09.038

Abstract: Abstract In this study, Ultraviolet–visible spectroscopy (UV/Vis) and excitation-emission matrix fluorescence combined with parallel factor analysis (the EEM-PARAFAC model) were used for the characterization of the components and structure of the dissolved organic nitrogen (DON)… read more here.

Keywords: nitrogen overlying; organic nitrogen; overlying water; yunnan plateau ... See more keywords
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Effect of organic nitrogen compounds on deep hydrodesulfurization of middle distillate

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Published in 2018 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2018.04.014

Abstract: Abstract An effect of organic nitrogen compounds on deep hydrodesulfurization catalyst (CoMo/Al2O3) has been carried out using micro-flow reactor at 5 MPa hydrogen pressure, 1.5 h−1 liquid hours space velocity, and 330 to 380 °C temperature. The experiments… read more here.

Keywords: nitrogen; nitrogen compounds; organic nitrogen; compounds deep ... See more keywords