Results 21 to 30 of about 2,006 (159)

A Soft, Flexible Implant for Wireless Photothermal–Pyroelectric Neurostimulation

open access: yesAdvanced Science, EarlyView.
A replication strategy is used to enlarge the exposed surface area of barium titanate within flexible films with embedded carbon nanotubes, enabling efficient photothermal‐pyroelectric stimulation. Polar crystalline nanosheets show superior performance in guiding neural progenitor cells toward neuronal differentiation.
Jiang Wu   +7 more
wiley   +1 more source

Soil physical properties of high mountain fields under bauxite mining

open access: yesCiência e Agrotecnologia, 2013
Mining contributes to the life quality of contemporary society, but can generate significant impacts, these being mitigated due to environmental controls adopted.
Dalmo Arantes de Barros   +5 more
doaj   +1 more source

Electrolyte–Framework Matching in High‐Voltage TEMPO‐COF Cathodes for Lithium Batteries

open access: yesAdvanced Science, EarlyView.
TEMPO‐functionalized covalent organic frameworks are investigated as high‐voltage cathodes for lithium batteries. Screening five electrolyte anions identifies lithium difluoro(oxalato)borate (LiDFOB) as the optimal electrolyte, balancing capacity, rate capability, and cycling stability, while buckypaper electrodes achieve high mass loading (40 mg cm−2)
Marilyn Esclance DMello   +5 more
wiley   +1 more source

Direct Observation of Vortex Liquid Droplets in the Iron Pnictide Superconductor CaKFe4As4 at 0.5Tc

open access: yesAdvanced Science, EarlyView.
Vortex matter in the iron‐based superconductor CaKFe4As4${\rm CaKFe}_4{\rm As}_4$ is visualized at the nanoscale, revealing the unexpected emergence of vortex‐liquid droplets far below the critical temperature. These localized fluctuating regions coexist with a vortex solid, demonstrating that dissipation‐related dynamics arise well before macroscopic ...
Óscar Bou Marqués   +9 more
wiley   +1 more source

Compactação do solo

open access: yesAgropecuária Catarinense, 1996
A compactação do solo pode ocorrer tanto na superfície  como no subsolo, devido principalmente ao tráfego de veículos em condições inadequadas de umidade.
Alceu Pedrotti   +1 more
doaj  

Curva de retenção de água elaborada pelo método do psicrômetro para uso na determinação do índice "S" de qualidade física do solo [PDF]

open access: yesEngenharia Agrícola, 2015
RESUMO A curva de retenção representa a relação entre o teor de água no solo e a energia com a qual a mesma está retida nos poros e/ou adsorvida nas partículas minerais do solo.
José F. de Melo Filho   +2 more
doaj   +1 more source

Qualidade física do solo de pastagens em sistemas de integração lavoura pecuária para recria de bovinos de corte

open access: yesBoletim de Indústria Animal, 2013
O artigo não apresenta resumo em português.
Camila Cassante de Lima   +2 more
openaire   +8 more sources

Solvent Oxidation‐Directed Synthesis of Highly Crystalline Iron Oxide Nanoparticles With Near‐Bulk Magnetization

open access: yesAdvanced Science, EarlyView.
Controlled oxidation of benzyl ether is established as a key synthetic parameter in the thermal decomposition of iron(III) acetylacetonate. Oxygenated solvent species alter precursor coordination and nucleation–growth kinetics, producing highly crystalline, magnetite‐rich nanoparticles with tunable size, controlled morphology, and near‐bulk ...
Lukas Hertle   +17 more
wiley   +1 more source

Intervalo hídrico ótimo para avaliação da degradação física do solo

open access: yesRevista Brasileira de Ciência do Solo, 2013
A influência do sistema de uso e manejo na qualidade física do solo tem sido tema de destaque em razão de seus impactos ambientais e agronômicos.
Rachel Muylaert Locks Guimarães   +3 more
doaj   +1 more source

Light‐Modulated Exchange Bias in Multiferroic Heterostructures

open access: yesElectron, EarlyView.
In this article, exchange bias and magnetization are modulated with visible light at room temperature in PMN‐PZT/FeGa/IrMn multiferroic heterostructures. Photostrictive effect is the main mechanism leading to the modulation of magnetic anisotropy and interfacial exchange bias coupling between the ferromagnetic and antiferromagnetic layers.
Huan Tan   +9 more
wiley   +1 more source

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