Results 71 to 80 of about 3,190 (231)
Advanced Materials, EarlyView.The seminal transformation of a 2D‐COF (SURFCOF‐IMDEA1) into a 2D porous COF (SURFCOF‐IMDEA2) on Au(111) by a sequential C‐C coupling and ladderization triggered by thermal annealing steps at increasing temperatures is reported. Abstract The development of covalent organic frameworks (COFs) is currently a primary objective in materials science, taking ...
Ana Barragán +11 more
wiley +1 more source
, 2017 El presente articulo revisa los principales aspectos juridicos –sustantivos y adjetivos– de la elusion en el codigo tributario. El sentido de las palabras que el legislador utiliza para definir la elusion y los particularismos del procedimiento ...
Marcelo Fuentes
semanticscholar +1 more source
Advanced Materials, EarlyView.Metal‐free carbon catalysts enable the sustainable synthesis of hydrogen peroxide via two‐electron oxygen reduction; however, active site complexity continues to hinder reliable interpretation. This review critiques correlation‐based approaches and highlights the importance of orthogonal experimental designs, standardized catalyst passports ...
Dayu Zhu +3 more
wiley +1 more source
Contaduría Universidad de Antioquia, 2016 El legislador en materia tributaria, por principio de legalidad, tiene la potestad de los tributos, es decir, puede redactar normas que, en oportunidades (no siempre) le permiten al contribuyente desarrollar prácticas elusivas, debido a las falacias ...
Omar Hernando Bedoya Martínez +1 more
semanticscholar +1 more source
Spin and Charge Control of Topological End States in Chiral Graphene Nanoribbons on a 2D Ferromagnet
Advanced Materials, EarlyView.Chiral graphene nanoribbons on a ferromagnetic gadolinium‐gold surface alloy display tunable spin and charge states at their termini. Atomic work function variations and exchange fields enabe transitions between singlet, doublet, and triplet configurations.
Leonard Edens +8 more
wiley +1 more source
THEMIS Revista de Derecho, 2019 El trabajo analiza la figura de la subsanación voluntaria como eximente de punición en la Ley 27444 – Ley del Procedimiento Administrativo General, y los riesgos que tal regulación puede generar en la labor de promoción del cumplimiento de la ...
Tessy Torres Sánchez
semanticscholar +1 more source
Advanced Materials, EarlyView.The water permeability of amorphous carbon dots (CDs) is demonstrated by investigating their plasticization. Novel polyamide‐based and amorphous nanoparticles are synthesized by controlling their inner packing density. Water plasticization is evidenced by the decrease of the CDs glass transition temperature with increasing the hydration degree.
Elisa Sturabotti +8 more
wiley +1 more source
LA TEORÍA SOBRE LA PROHIBICIÓN DEL ABUSO DEL DERECHO EUROPEO COMO BASE DE LAS CLÁUSULAS ANTI-ELUSIVAS GENERALES NACIONALES [PDF]
Crónica Tributaria, 2018 El empleo abusivo de las libertades europeas deriva en conductas elusivas con impacto directo en las arcas de los Estados comunitarios y no comunitarios. Los Estados miembros tratan de proteger sus intereses fiscales a través de la codificación, tanto en
Enrique Sánchez de Castro Martín Luengo
doaj +1 more source
A Novel Coating of Orthodontic Archwires with Chlorhexidine Hexametaphosphate Nanoparticles. [PDF]
Int J Biomater, 2023 Al-Fadhily ZM, Abdul-Hadi M.
europepmc +1 more source
Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics
Advanced Materials, EarlyView.The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades +7 more
wiley +1 more source