Littérature scientifique sur le sujet « Pompe des carbonates »
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Articles de revues sur le sujet "Pompe des carbonates"
Isnandar Yunanto, Idha Silviyati, Lian Elvani et Lety Trisnaliani. « Preparation and Characterization of Ceramic Membrane Composition Variations in Pome Waste Treatment ». Aptisi Transactions on Technopreneurship (ATT) 4, no 3 (6 octobre 2022) : 285–91. http://dx.doi.org/10.34306/att.v4i3.273.
Texte intégralLyousfi, Nadia, Ikram Legrifi, Nabil Ennahli, Abdelali Blenzar, Said Amiri, Salah-Eddine Laasli, Nadia Handaq, Zineb Belabess, Essaid Ait Barka et Rachid Lahlali. « Evaluating Food Additives Based on Organic and Inorganic Salts as Antifungal Agents against Monilinia fructigena and Maintaining Postharvest Quality of Apple Fruit ». Journal of Fungi 9, no 7 (19 juillet 2023) : 762. http://dx.doi.org/10.3390/jof9070762.
Texte intégralThèses sur le sujet "Pompe des carbonates"
Planchat, Alban. « Alkalinity and calcium carbonate in Earth system models, and implications for the ocean carbon cycle ». Electronic Thesis or Diss., Université Paris sciences et lettres, 2023. http://www.theses.fr/2023UPSLE005.
Texte intégralOcean alkalinity (Alk) is critical for the uptake of atmospheric carbon and provides buffering capacity against acidification. Within the context of projections of ocean carbon uptake and potential ecosystem impacts, the representation of Alk and the main driver of its distribution in the ocean interior, the calcium carbonate (CaCO3) cycle, have often been overlooked. This thesis addresses the lack of consideration given to Alk and the CaCO3 cycle in Earth system models (ESMs) and explores the implications for the carbon cycle in a pre-industrial ocean as well as under climate change scenarios. Through an ESM intercomparison, a reduction in simulated Alk biases in the 6th phase of the Coupled Model Intercomparison Project (CMIP6) is reported. This reduction can be partially explained by increased pelagic calcification, redistributing Alk at the surface and strengthening its vertical gradient in the water column. A review of the ocean biogeochemical models used in current ESMs reveals a diverse representation of the CaCO3 cycle and processes affecting Alk. Parameterization schemes for CaCO3 production, export, dissolution, and burial vary substantially, with no benthic calcification and generally only calcite considered. This diversity leads to contrasting projections of carbon export associated with CaCO3 from the surface ocean to the ocean interior in future scenarios. However, sensitivity simulations performed with the NEMO-PISCES ocean biogeochemical model indicate that the feedback of this on anthropogenic carbon fluxes and ocean acidification remains limited. Through an ensemble of NEMO-PISCES simulations, careful consideration of the Alk budget is shown to be critical to estimating pre-industrial ocean carbon outgassing due to riverine discharge and the burial of organic matter and CaCO3. Such estimates are fundamental to assessing anthropogenic air-sea carbon fluxes using observational data and highlight the need for greater constraints on the ocean Alk budget
Lemaitre, Nolwenn. « Approche multi-proxy (Thorium-234, Baryum en excès) des flux d'export et de reminéralisation du carbone et des éléments nutritifs associés à la pompe biologique océanique ». Thesis, Brest, 2017. http://www.theses.fr/2017BRES0009/document.
Texte intégralThe main objective of this thesis is to improve our understanding of the different controls that affect the oceanic biological carbon pump. Particulate export and remineralization fluxes were investigated using the thorium-234 (234Th) and biogenic barium (Baxs) proxies.In the North Atlantic, the highest particulate organic carbon (POC) export fluxes were associated to biogenic (biogenic silica or calcium carbonate) and lithogenic minerals, ballasting the particles.Export efficiency was generally low (< 10%) and inversely related to primary production, highlighting a phase lag between production and export. The highest transfer efficiencies, i.e. the fraction of POC that reached 400m, were driven by sinking particles ballasted by calcite or lithogenic minerals.The regional variation of mesopelagic remineralization was attributed to changes in bloom intensity, phytoplankton cell size, community structure and physical forcing (downwelling). Carbon remineralization balanced, or even exceeded, POC export, highlighting the impact of mesopelagic remineralization on the biological pump with a near-zero, deep carbon sequestration for spring 2014.Export of trace metals appeared strongly influenced by lithogenic material advected from the margins. However, at open ocean stations not influenced by lithogenic matter, trace metal export rather depended on phytoplankton activity and biomass.A last part of this work focused on export of biogenic silica, particulate nitrogen and iron near the Kerguelen Island. This area is characterized by a natural iron-fertilization that increases export fluxes. Inside the fertilized area, flux variability is related to phytoplankton community composition
Chapitres de livres sur le sujet "Pompe des carbonates"
Downes, J. W. « Equipment for extraction and processing of soft and pome fruit juices ». Dans Production and Packaging of Non-Carbonated Fruit Juices and Fruit Beverages, 197–220. Boston, MA : Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-0949-3_7.
Texte intégralDownes, J. W. « Equipment for extraction and processing of soft and pome fruit juices ». Dans Production and Packaging of Non-Carbonated Fruit Juices and Fruit Beverages, 197–220. Boston, MA : Springer US, 1999. http://dx.doi.org/10.1007/978-1-4757-6296-9_7.
Texte intégralEmsley, John. « Lead murders ». Dans The Elements of Murder. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780192805997.003.0021.
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