Results 11 to 20 of about 1,562,945 (312)

Long-term bare-fallow soil fractions reveal thermo-chemical properties controlling soil organic carbon dynamics [PDF]

open access: yesBiogeosciences, 2021
Evolution of organic carbon content in soils has the potential to be a major driver of atmospheric greenhouse gas concentrations over the next century.
M. Chassé   +10 more
doaj   +1 more source

Atmospheric CO2 consumption by continental erosion : present-day controls and implications for the last glacial maximum [PDF]

open access: yes, 1998
The export of carbon from land to sea by rivers represents a major link in the global carbon cycle. For all principal carbon forms, the main factors that control the present-day fluxes at the global scale have been determined in order to establish global
Amiotte Suchet, Philippe   +3 more
core   +2 more sources

Topsoil Organic Carbon Content [PDF]

open access: yes, 2016
Soil organic carbon (SOC) is a key soil component. SOC stores large amounts of carbon and it also affects water fluxes as well as the availability of nutrients. Soil water fluxes are impacted by SOC directly due to its effect upon soil hydraulic parameters.
Klar, Christian W.   +2 more
openaire   +1 more source

Shortcut biological nitrogen removal (SBNR) in microbial fuel cells (MFCs) [PDF]

open access: yes, 2017
Microbial Fuel Cells (MFCs) represent nowadays a promising technology for the treatment of industrial wastewater. In this work the Shortcut Nitritation/Denitritation process in H-type MFC was investigated.
Bavasso, Irene   +3 more
core   +1 more source

Synthesis and Preliminary Evaluation of the Cytotoxicity of Potential Metabolites of Quinoline Glycoconjugates

open access: yesMolecules, 2022
The design of prodrugs is one of the important strategies for selective anti-cancer therapies. When designing prodrugs, attention is paid to the possibility of their targeting tumor-specific markers such as proteins responsible for glucose uptake.
Monika Domińska   +4 more
doaj   +1 more source

Investigation of the Possibilities for Removal of Phenolic Toxic Compounds from Water by Nanoporous Carbon from Polymer By-Products

open access: yesApplied Sciences, 2022
Nanoporous carbon is synthesized on the base of phenol-formaldehyde resin and polyolefin wax, a by-product from industrial production of polyethylene at low pressure.
Ivanka Stoycheva   +9 more
doaj   +1 more source

Determining Inorganic and Organic Carbon [PDF]

open access: yes, 2017
Carbon is the element which makes up the major fraction of lipids and carbohydrates, which could be used for making biofuel. It is therefore important to provide enough carbon and also follow the flow into particulate organic carbon and potential loss to dissolved organic forms of carbon.
Koistinen, Jaana   +2 more
openaire   +3 more sources

Nitrogen dynamics in the shallow groundwater of a riparian wetland zone of the Garonne, SW France: nitrate inputs, bacterial densities, organic matter supply and denitrification measurements [PDF]

open access: yes, 2003
This study highlights the role of interactions between surface and sub-surface water of the riparian zone of a large river (the Garonne, SW France). Information is given about the role of surface water in supplying Dissolved Organic Carbon (DOC ) to the
F. Garabétian   +8 more
core   +6 more sources

Organic matter degradation causes enrichment of organic pollutants in hadal sediments

open access: yesNature Communications, 2023
Burial of persistent organic pollutants (POPs) such as polychlorinated biphenyls (PCBs) in deep-sea sediments contributes to 60% of their historical emissions. Yet, empirical data on their occurrence in the deep-ocean is scarce.
Anna Sobek   +8 more
doaj   +1 more source

Isotopic Analysis of Sporocarp Protein and Structural Material Improves Resolution of Fungal Carbon Sources [PDF]

open access: yes, 2016
Fungal acquisition of resources is difficult to assess in the field. To determine whether fungi received carbon from recent plant photosynthate, litter or soil-derived organic (C:N bonded) nitrogen, we examined differences in δ13C among bulk tissue ...
Chen, Janet   +2 more
core   +3 more sources

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