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Integrating transformer-based learning and Sentinel-2 bare soil composites for soil organic carbon mapping in the black soil region of Northeast China. [PDF]
Sci RepChen N +6 more
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2003
The most common and successful method for producing organic carbonates, including polycarbonates, has been based for long time on the reaction between an alcohol or phenol and phosgene. The existing strict environmental regulations and the expanding market for organic carbonates do not assure that this technology can continue to have a leading role in ...
Danielle Ballivet-Tkatchenko +1 more
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The most common and successful method for producing organic carbonates, including polycarbonates, has been based for long time on the reaction between an alcohol or phenol and phosgene. The existing strict environmental regulations and the expanding market for organic carbonates do not assure that this technology can continue to have a leading role in ...
Danielle Ballivet-Tkatchenko +1 more
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Soil organic carbon across scales
Global Change Biology, 2015AbstractMechanistic understanding of scale effects is important for interpreting the processes that control the global carbon cycle. Greater attention should be given to scale in soil organic carbon (SOC) science so that we can devise better policy to protect/enhance existing SOC stocks and ensure sustainable use of soils. Global issues such as climate
Sharon M. ORourke +3 more
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Organic Functionalization of Carbon Nanotubes
Journal of the American Chemical Society, 2002A very general and versatile method for functionalizing different types of carbon nanotubes is described, using the 1,3-dipolar cycloaddition of azomethine ylides. Approximately one organic group per 100 carbon atoms of the nanotube is introduced, to yield remakably soluble bundles of nanotubes, as seen in transmission electron micrographs.
GEORGAKILAS V. +5 more
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Carbon–Carbon Linked Covalent Organic Frameworks
2023Carbon–carbon (C–C or C=C) linked organic frameworks are a highly important class of conjugated, porous, and crystalline organic material. Due to strong covalent bonding between the building molecules, they possess outstanding chemical stability and uninterrupted π conjugation. These properties make them suitable for potential applications in catalysis,
Satyapriya Nath +3 more
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The synthesis of organic carbonates from carbon dioxide
Chemical Communications, 2009Carbon dioxide (CO(2)) is an easily available, renewable carbon resource, which has the advantages of being non-toxic, abundant and economical. CO(2) is also attractive as an environmentally friendly chemical reagent, and is especially useful as a phosgene substitute.
Toshiyasu, Sakakura, Kazufumi, Kohno
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Carbon- and Nitrogen-Based Organic Frameworks
Accounts of Chemical Research, 2015This Account provides an overview of organic, covalent, porous frameworks and solid-state materials mainly composed of the elements carbon and nitrogen. The structures under consideration are rather diverse and cover a wide spectrum. This Account will summarize current works on the synthetic concepts leading toward those systems and cover the ...
Sakaushi, K., Antonietti, M.
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Recalcitrant Dissolved Organic Carbon Fractions
Annual Review of Marine Science, 2013Marine dissolved organic carbon (DOC) exhibits a spectrum of reactivity, from very fast turnover of the most bioavailable forms in the surface ocean to long-lived materials circulating within the ocean abyss. These disparate reactivities group DOC by fractions with distinctive functions in the cycling of carbon, ranging from support of the microbial ...
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Aerosol Organic-Mass-to-Organic-Carbon Ratio Measurements
Environmental Science & Technology, 2003The ratio of organic-mass-to-organic-carbon, typically taken to be between 1.4 and 1.7, has an uncertainty higher than 50%, but this value is used in every measurement to date of the organic fraction of atmospheric particles. A recently developed technique with errors reduced to between 9% and 33% provides measurements of this ratio that show its large
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