Results 41 to 50 of about 422 (260)

Las cofradías en el reino de Valencia. Análisis y claves interpretativas

open access: yesAnuario de Estudios Medievales, 2006
Entre los años 1329 y 1458, el reino de Valencia asistió al desarrollo de un movimiento asociativo, paralelo a otras regiones europeas, que dio lugar a la aparición de un buen número de corporaciones divididas en dos grandes grupos: cofradías religiosas ...
Manuel Benítez Bolorinos
doaj   +1 more source

3D Anodic Alumina Nanoarchitectures: A Decade of Progress from Foundational Science to Functional Metamaterials

open access: yesAdvanced Materials, EarlyView.
Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley   +1 more source

Topology and Material Optimization in Ultra‐Soft Magneto‐Active Structures: Making Advantage of Residual Anisotropies

open access: yesAdvanced Materials, EarlyView.
Residual magnetization induces pronounced mechanical anisotropy in ultra‐soft magnetorheological elastomers, shaping deformation and actuation even without external magnetic fields. This study introduces a computational‐experimental framework integrating magneto‐mechanical coupling into topology optimization for designing soft magnetic actuators with ...
Carlos Perez‐Garcia   +3 more
wiley   +1 more source

¿Cómo se comporta Andalucía en la globalización del siglo XXI?

open access: yesBoletín de la Asociación de Geógrafos Españoles, 2017
Después de tres décadas de autogobierno, y tras ser la región europea que más fondos comunitarios ha recibido, es una evidencia que Andalucía no ha convergido con el resto de regiones europeas, y continua en posiciones de retraso relativo. Este artículo
Manuel J. Marchena Gómez   +1 more
doaj   +3 more sources

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

open access: yesAdvanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis   +19 more
wiley   +1 more source

Flexible Chemiresistive Chitosan‐Glycerol Sensors on Laser‐Induced Graphene Electrodes for Room‐Temperature Ammonia Detection

open access: yesAdvanced Materials Technologies, EarlyView.
Flexible Chitosan‐glycerol sensor integrated with porous laser‐induced graphene (LIG) electrodes enable room‐temperature chemiresistive detection of ammonia (NH3) and proof‐of‐concept detection of fish spoilage. ABSTRACT We report a metal‐free sensor platform combining laser induced graphene (LIG) electrodes with drop‐deposited, glycerol‐plasticized ...
Mintesinot Tamiru Mengistu   +9 more
wiley   +1 more source

Desarrollo rural en la UE

open access: yesEconomía Agraria y Recursos Naturales, 2011
Este artículo analiza la evolución de la economía regional rural europea y las políticas regionales públicas comunitarias, con el fin de aportar lecciones a otras áreas del mundo, especialmente Latinoamérica.
Allan Buckwell
doaj   +1 more source

Large Faraday Rotation in Liquid Crystals With Embedded Paramagnetic Ions (Cu2+, VO2+) at Room Temperature

open access: yesAdvanced Optical Materials, EarlyView.
Large Faraday rotation at room temperature is observed in thin films of discotic copper (Cu2+: 3d9) and vanadyl (VO2+: 3d1) enaminoketone complexes. The large Verdet constant originates from a high density of paramagnetic centers, metal‐ligand p−d hybridization and π orbitals involved in optical transitions (identified by DFT calculations), as well as ...
Karolina Łempicka‐Mirek   +8 more
wiley   +1 more source

Obstáculos y estímulos a la integración de las regiones atlánticas regresivas

open access: yesInvestigaciones Geográficas, 2001
En este artículo se indaga sobre la situación de una región atlántica marcada por los caracteres propios de las regiones periféricas, Asturias, y sobre las acciones de reactivación económica y dinamización territorial previstas por el Gobierno regional
Paz Benito del Pozo
doaj  

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