Results 81 to 90 of about 408,590 (264)

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

La Unión Europea

open access: yesQuaderns IEE
Los valores fundacionales de la Unión Europea, como la paz, la solidaridad, la unidad, la libertad y el progreso económico y social, han sido esenciales para garantizar la cohesión y estabilidad en Europa.
Maria Mut Bosque
doaj   +1 more source

Régimen competencial y relaciones intergubernamentales sobre aduanas [PDF]

open access: yes, 2015
Aunque por su vinculación al concepto de soberanía el régimen aduanero está formalmente atribuido a la competencia exclusiva del Estado por la Constitución de 1978 (art. 149.1.
Fernández Allés, José Joaquín
core   +1 more source

El régimen fiscal de las cooperativas y el Derecho de la Unión Europea [PDF]

open access: yes, 2016
El régimen jurídico y económico de las cooperativas presenta una serie de limitaciones que, en gran medida, derivan del respeto a los principios cooperativos y de concepciones restrictivas del concepto de cooperativa y de cooperativismo.
Aguilar Rubio, Marina
core   +4 more sources

Beyond Earth: Resilience of Quasi‐2D Perovskite Solar Cells in Space

open access: yesAdvanced Materials, EarlyView.
In the article (DOI: 10.1002/adma.202520433), Christoph Putz and co‐workers demonstrate rigid quasi‐2D perovskite solar cells operating in low Earth orbit, delivering stable power for more than 100 days under real‐space conditions. In‐orbit performance is correlated with extensive ground‐based thermal and proton‐irradiation studies on rigid and ...
Christoph Putz   +17 more
wiley   +1 more source

Soberanía nacional vs colaboración entre estados: crisis migratoria en la Unión Europea [PDF]

open access: yes, 2019
Artículo de investigaciónSe examinan los retos que se han desarrollado frente a la crisis migratoria dentro de la Unión Europea, se desvelan entonces las problemáticas internas frente a la soberanía de los estados miembros y como esto repercute entre los
Castillo-Villanueva, Lady Tatiana
core  

La política europea de seguridad y defensa en el escenario internacional actual [PDF]

open access: yes, 2002
El papel de la Unión Europea en la sociedad internacional actual depende en gran medida de la calidad y eficacia de los instrumentos que tiene a su alcance.
Barbé, Esther   +1 more
core   +4 more sources

Formation of Laser‐Induced Periodic Surface Structures on Titanium Alloy Using a Picosecond Laser: Dependence on Fluence and Number of Laser Pulses

open access: yesAdvanced Materials Interfaces, EarlyView.
Laser treatment of materials is a versatile technique for generating ordered surface structures. Nevertheless, such structures are the result of laser parameters such as laser pulse fluence. We demonstrate that homogeneous low special frequency laser‐induced periodic surface structures are contingent on both single and effective fluence dose and can be
Iana Fomicheva   +6 more
wiley   +1 more source

Nonmulberry Silk Fibroin Doping Boosts Charge Transfer and Charge Injection in Aligned Polypyrrole‐Silk Scaffolds for Low‐Voltage Neurostimulation

open access: yesAdvanced Materials Interfaces, EarlyView.
Conductive silk‐polypyrrole scaffolds couple redox stability with cell‐affinitive peptides present innately in an endogenous silk fibroin, enabling optimized electrical stimulation to drive neurite outgrowth. Findings establish electrochemical‐biological link for biomaterial design rules for smart nerve guidance conduits that can provide low voltage ...
Rajiv Borah   +5 more
wiley   +1 more source

Amido‐Amine Co(II) Precursor‐Based Atomic/Molecular Layer Deposition Processes for Cobalt‐Organic Thin Films and Their Thermal Conversion to CoO Thin Films

open access: yesAdvanced Materials Technologies, EarlyView.
Three new atomic/molecular layer deposition processes are developed for Co‐organic thin films using a promising all‐nitrogen‐coordinated cobalt precursor. The study examines film growth, reaction mechanisms, chemical stability, and decomposition pathways of the resulting films through extensive characterization techniques and DFT calculations ...
Topias Jussila   +9 more
wiley   +1 more source

Home - About - Disclaimer - Privacy