Results 71 to 80 of about 586,183 (308)

High Charge Carrier Mobility in Non‐Conjugated 3D Covalent Organic Frameworks

open access: yesAdvanced Materials, EarlyView.
A non‐conjugated 3D COF constructed via boronate ester linkages from tetraphenylene and pyrene‐based monomers is reported, which exhibits a high charge carrier mobility of 14 ± 1 cm2 V−1 s−1. ABSTRACT π‐Conjugation, π–π stacking, and long‐range order play a central role in determining charge transport efficiency in organic materials.
Joaquín Almarza   +11 more
wiley   +1 more source

Florido del Corral, David (2010). El espacio portuario de Conil. Infraestructuras socioeconómicas, políticas y de ingeniería [PDF]

open access: yes, 2013
Sevilla: Agencia Pública de Puertos de Andalucía, 298 ...
Rubio-Ardanaz, Juan Antonio
core   +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

DESCRIPCIÓN PRECISA DE LAS TRANSACCIONES ENTRE PARTES VINCULADAS, DESCONOCIMIENTO O SUSTITUCIÓN DE LAS MISMAS Y SU RELACIÓN CON LAS CLÁUSULAS ANTIABUSO GENERALES [PDF]

open access: yesCrónica Tributaria, 2017
El presente artículo se centra en analizar la relación entre, por un lado, el desconocimiento y la recaracterización de operaciones entre partes vinculadas en aplicación del principio de libre concurrencia y, por el otro, las cláusulas antiabuso ...
José Antonio García Bañuelos   +1 more
doaj  

Relative efficiency within a tax administration: The effects of result improvement [PDF]

open access: yes, 2016
Neste trabalho, aborda-se a análise da administração tributária espanhola mediante a avaliação da eficiência relativa de cada um dos escritórios territoriais que a integram, empregando, para isso, a análise envolvente de dados de forma bietápica, com uma
Barrilao-González, Pedro Enrique   +2 more
core   +4 more sources

Gapless Superconductivity From Extremely Dilute Magnetic Disorder in 2H‐NbSe2‐xSx

open access: yesAdvanced Materials, EarlyView.
We demonstrate that 2H‐NbSe2‐xSx hosts gapless superconductivity at unexpectedly low magnetic impurity concentrations. Combining STM, Bogoliubovde Gennes simulations, DFT, and quasiparticle interference, we comprehensively study the development of gapless behavior and show that SeS substitution reshapes the band structure, enhances nesting, and drives ...
Jose Antonio Moreno   +16 more
wiley   +1 more source

BARRERA HIDRÁULICA CONTRA LA INTRUSIÓN MARINA EN EL ACUÍFERO PRINCIPAL DEL DELTA DEL LLOBREGAT (BARCELONA, ESPAÑA)

open access: yesRevista Águas Subterrâneas, 2009
El acuífero del Delta del Llobregat es una reserva estratégica de agua para el abastecimiento a la ciudad de Barcelona, y está afectado por procesos de intrusión marina desde 1970, producto del uso intensivo de las aguas subterráneas.
Felip ORTUÑO   +6 more
doaj  

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