Results 41 to 50 of about 89,064 (186)

Development of a Sustainable Metallurgical Process to Valorize Copper Smelting Wastes with Olive Stones-Based Biochar

open access: yesMetals, 2022
Flue dust waste coming from a copper (Cu) smelting company has been valorized using a newly developed metallurgical process with the aim of recovering a dust concentrated in valuable metals, such as lead (Pb) and zinc (Zn), and studying the feasibility ...
Aitziber Adrados   +7 more
doaj   +1 more source

Soporte informático al Parque Científico Tecnológico [PDF]

open access: yes, 2008
Catálogo de Servicios de soporte informático al Parque Científico ...

core  

Decadal changes in environmental suitability for the margay (Leopardus wiedii) under anthropogenic pressure in the Yucatán Peninsula

open access: yesConservation Science and Practice, EarlyView.
This study evaluates how human activities impact margay (Leopardus wiedii) distribution in the Yucatán Peninsula, revealing habitat loss due to agriculture but also recolonization opportunities in abandoned lands. Species distribution models show range contraction (2010–2023), yet margays demonstrate resilience near disturbed habitats.
Jimena García‐Burgos   +4 more
wiley   +1 more source

Covalent Immobilization of Antibodies through Tetrazine-TCO Reaction to Improve Sensitivity of ELISA Technique

open access: yesBiosensors, 2021
Enzyme-linked immunosorbent assay (ELISA) is routinely used to detect biomolecules related to several diseases facilitating diagnosis and monitoring of these, as well as the possibility of decreasing their mortality rate.
Tania García-Maceira   +6 more
doaj   +1 more source

Linking rivers, mixing faunas: How artificial connectivity between the Middle and Upper Paraná River basins shapes fish diversity in a tributary of the Itaipu Reservoir, Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract This work aimed to investigate the distribution and occurrence of fish species along the São Francisco Falso Braço Norte (SFFBN) River basin, a tributary of the Middle Paraná River basin now artificially connected to the Upper Paraná ecoregion, to evaluate how such connectivity may affect the biogeographic distribution and regional composition
Lucas E. P. Kampfert   +5 more
wiley   +1 more source

Theoretical analysis of the effect of isotropy on the effective diffusion coefficient in the porous and agglomerated phase of the electrodes of a PEMFC

open access: yesScientific Reports
In polymer membrane fuel cells (PEMFC), the pore microstructure and the effective diffusion coefficient ( $$D_{eff}$$ D eff ) of the catalytic layer have a significant impact on the overall performance of the fuel cell. In this work, numerical methods to
C. Pacheco   +3 more
doaj   +1 more source

Simulation of Marine Towing Cable Dynamics Using a Finite Elements Method

open access: yesJournal of Marine Science and Engineering, 2020
A numerical model to study the towing maneuver for floating and submerged bodies has been developed. The proposed model is based on the dynamic study of a catenary line moving between two bodies, one body with imposed motion, and the other free to move ...
Álvaro Rodríguez Luis   +4 more
doaj   +1 more source

PARQUE CIÊNTÍFICO E TECNOLÓGICO: UMA ANÁLISE DO PROCESSO DE IMPLANTAÇÃO E OPERACIONALIZAÇÃO A PARTIR DO ESTUDO DE CASO NO CENTRO DE APOIO AO DESENVOLVIMENTO TECNOLÓGICO (CDT/UNB) COMO GESTOR DO PARQUE DA UNIVERSIDADE DE BRASÍLIA (UNB). [PDF]

open access: yes, 2015
O presente estudo tem como objetivo apresentar uma análise do processo de implantação e operacionalização do Parque Científico e Tecnológico a partir do estudo de caso no Centro de Apoio ao Desenvolvimento Tecnológico (CDT/UnB) como Gestor do Parque da ...
AQUINO, ROSEANE DE SOUZA   +3 more
core  

Integrative taxonomy reveals four new species of the armoured catfish genus Pareiorhina (Siluriformes: Loricariidae) from the upper Paraná River basin, Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract Four new species of the small‐sized armoured catfish genus Pareiorhina are described from mountain ranges in the Grande River drainage, upper Paraná River basin, based on morphological and molecular species delimitation methods. Molecular analyses based on the cytochrome oxidase subunit I (COI) marker recovered Pareiorhina as polyphyletic ...
Pedro L. C. Uzeda   +6 more
wiley   +1 more source

Vegetation species mapping in a coastal-dune ecosystem using high resolution satellite imagery

open access: yesGIScience & Remote Sensing, 2019
Vegetation mapping is a priority when managing natural protected areas. In this context, very high resolution satellite remote sensing data can be fundamental in providing accurate vegetation cartography at species level.
Anabella Medina Machín   +4 more
doaj   +1 more source

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