Results 21 to 30 of about 41,593 (161)

Petrología sedimentaria. Notas de teoría. 7. Rocas Carbónaticas: Introducción. Físico-química de carbonatos: nociones básicas [PDF]

, 2010
En este tema se hace una breve introducción sobre los procesos de formación de carbonatos y los minerales carbonáticos más abundantes. El tema se centra en el estudio de los principales parámetros físico-químicos (Tª, el pH, la pCO2, entre otros) que ...
Alonso-Zarza, Ana María
core   +1 more source

Structured machine learning modeling to support conservation of deep‐sea benthic biodiversity

Conservation Biology, EarlyView.
Abstract Biodiversity monitoring programs need to deliver accurate, timely, and actionable predictions. To establish a predictive monitoring program for deep‐sea benthos of the Santos Basin, Brazil, we developed a two‐stage structured model that allowed comparison of biodiversity predictions obtained from environmental simulations (2M‐Sim).
Gustavo Fonseca, Danilo C. Vieira, Juliane C. Carneiro, Renato S. Carreira, Milena Ceccopieri, Thais N. Corbisier, Adriana Galindo Dalto, Alberto G. Figueiredo Jr., Fabiane Gallucci, Paula Gheller, Simone Brito de Jesus, Helena Passeri Lavrado, Letícia Lazzari, Eduardo Hilzendeger Marcon, Daniel Leite Moreira, Rafael Bendayan de Moura, Ellen Pape, Ana Cláudia Aoki Santarosa, João Regis dos Santos Filho, Silvia Helena de Mello e Sousa, Thaisa Marques Vicente, Luciana Erika Yaginuma, Cinthia Yamashita, Wandrey Watanabe   +23 more
wiley   +1 more source

A Dicopper(II)‐Based Carbonic Anhydrase Model—Quantum‐Chemical Evaluation of the Mechanistic Pathway

Angewandte Chemie, Volume 136, Issue 25, June 17, 2024.
Prochloron didemni, an obligate symbiont of ascidians produces large amounts of patellamides, known to form dinuclear copper(II) complexes, which are efficient carbonic anhydrases. However, at the pH in the ascidians, catalysis is shown to be product‐inhibited.
Gunasekaran Velmurugan, Philipp Baur, Peter Comba   +2 more
wiley   +2 more sources

Petrología sedimentaria. Notas de teoría. 8. Rocas Carbónaticas: Carbonatos marinos y continentales [PDF]

, 2010
Este tema se dedica al estudio de las características de las calizas que se forman en distintos contextos sedimentarios. Se parte del análisis de los factores que controlan la sedimentación de carbonatos marinos, para después analizar los rasgos más ...
Alonso-Zarza, Ana María
core   +1 more source

Heavy Metals in Soils: An Investigation of the Contaminated Floodplains Around the Sinu River, Colombia

GeoHealth, Volume 10, Issue 3, March 2026.
Abstract Heavy metal contamination in rivers mostly originates from anthropogenic sources such as industrial activities, mining, agriculture, and urban runoff. These metals accumulate in river sediments and impact living organisms and the surrounding ecosystem. Historically, some rivers in Colombia have faced issues related to heavy metal contamination,
Diana Di Luccio, Aimé Lay‐Ekuakille, Sabino Maggi, Néstor Hernando Campos, Maurizio Palmisano   +4 more
wiley   +1 more source

Subsolidus processes in the Longonjo and Bailundo carbonatites (Angola) [PDF]

, 2012
Peer ReviewedPostprint (published ...
Alfonso Abella, María Pura, Bambi, Aurora Cuaiela João Mateus, Castellano Calvo, Amaia, Gonçalves, Antonio Olimpio, Melgarejo Draper, Joan Carles   +4 more
core  

As sucessões carbonáticas neoproterozóicas do Cráton do São Francisco e os depósitos de fosfato: correlações e fosfogênese [PDF]

, 2007
Neoproterozoic Carbonate Sequences of the São Francisco Craton and the Phosphate Deposits: Correlation and Phosphogenesis. The neoproterozoic carbonate successions of the São Francisco craton are formed by thick carbonate and siliciclastic strata ...
Azmy, Karem, Kaufman, Alan J., Misi, Aroldo, Sanches, Andreia L.   +3 more
core   +1 more source

Uranium and Neptunium Accumulation by the Byssus of Mytilus galloprovincialis

European Journal of Inorganic Chemistry, Volume 29, Issue 1, January 1, 2026.
Investigation of uranyl(VI) and neptunyl(V) uptake in mussel's byssus by combining in vivo bioaccumulation with ex vivo isotherms. Data highlight the role of DOPA‐rich mfp proteins in binding both actinyl cations and partial Np(V) reduction. Such data link molecular interactions to radionuclide uptake in the framework of marine radioecology.
Nawel Belkessa, Benjamin Burie, Gaëlle Creff, Aurélie Jeanson, Mostafa Rammal, Pier‐Lorenzo Solari, Damien Prieur, Matthew J. Harrington, Christophe Den Auwer   +8 more
wiley   +1 more source

Carbon Dioxide as a Sustainable Reagent in Circular Hydrometallurgy

ChemSusChem, Volume 18, Issue 3, February 1, 2025.
Carbon dioxide is a useful reagent in hydrometallurgy and it can help to transform linear hydrometallurgical flowsheets into circular ones. Examples of applications of CO2 are pH control, the regeneration of acids used as lixiviants, or as a reagent for precipitation of metal carbonates. A new development is the solvent‐extraction‐assisted formation of
Rodolfo Marin Rivera, Koen Binnemans
wiley   +1 more source

Estudio paleontológico de las tobas cuaternarias de Ocio (Álava, Cuenca Miranda-Trebiño)

Geogaceta
Este trabajo ilustra y describe la asociación de microfósiles presentes en los tramos limosos de las tobas cuaternarias de Ocio (valle del río Inglares, Álava). La asociación consiste en una especie de carofita (Chara cf.
Xabier Murelaga Bereicua, Zuriñe Larena, Juan Ignacio Baceta, Ana Pascual, Julio Rodriguez-Lazaro, Josep Sanjuan, Mariano Larraz, Concha Arenas   +7 more
doaj   +1 more source