Results 91 to 100 of about 16,199 (256)

“Mostrarte Aumentada”. Sobre encontrarnos en tiempos de distanciamiento

open access: yesEncuentro Educativo, 2022
En el siguiente artículo compartiremos la experiencia institucional educativa “Mostrarte Aumentada”, donde se articularon diferentes espacios, presenciales y virtuales.
Carolina Quintana, Marcela Ordiz
doaj  

Geometry‐Based Neural‐Network Prediction of Electron Localization Function Topology in Dense Hydrogen

open access: yesChemistry – A European Journal, EarlyView.
We present a machine‐learning framework that predicts the electron localization function (ELF) of dense hydrogen directly from atomic geometry, bypassing explicit electronic‐structure calculations. Trained on ab initio data for fluid hydrogen across multiple pressures, the model achieves high accuracy and reveals pressure‐dependent nonlocal ...
Xiaoyu Wang   +5 more
wiley   +1 more source

Breaking the Mold: Electrophilic Hydrophosphanation Emerges

open access: yesChemistry – A European Journal, EarlyView.
Electrophilic hydride attack on the olefin, instead of the classical nucleophilic addition by a phosphanido ligand, is unveiled in rhodium‐catalyzed olefin hydrophosphanation. This hydride‐driven pathway operates for both activated and inactivated olefins, with transition states characterized by elongated Rh─H bonds and nascent C─H bond formation ...
Víctor Varela‐Izquierdo   +4 more
wiley   +1 more source

E-Gobierno Electrónico e Indicadores en la Cultura Tributaria: Caso Gobierno Autónomo Descentralizado de Jipijapa

open access: yesReincisol.
La presente investigación titulada E-Gobierno Electrónico e indicadores en la Cultura Tributaria: Caso Gobierno Autónomo Descentralizado de Jipijapa donde se presentaba una débil cultura tributaria y una escasa implementación en e gobierno electrónico, se planteó como objetivo analizar E-Gobierno Electrónico e indicadores en la Cultura Tributaria para ...
José Jorge Tualombo Tituaña   +1 more
openaire   +1 more source

Decoding Heptazine Architectures: From Molecular Association to Structural Insight

open access: yesChemistry – A European Journal, EarlyView.
A comprehensive study (NMR and theoretical) of three novel heptazine derivatives that self‐assemble into dimers has been conducted, highlighting their versatility as a platform for multifunctional supramolecular and optoelectronic materials. ABSTRACT Heptazine (Hpz) derivatives display remarkable supramolecular organization governed by noncovalent ...
Silvia del Moral   +5 more
wiley   +1 more source

Assessment of Attainable Distances in Proteins by Through‐Space 19F–19F Couplings

open access: yesChemistry – A European Journal, EarlyView.
De novo synthesized difluorinated tryptophan analogues are site‐specifically incorporated into Cyclophilin A (CypA). 19F–19F NOESY build‐up experiments are recorded for each labeled protein, and the distances derived from cross‐relaxation rates are compared to reference distances.
Iker Hernández   +6 more
wiley   +1 more source

La contribución de las redes sociales a la participación política.

open access: yesPerspectivas de la Comunicación, 2012
La centralización en partidos políticos, la excesiva autonomía otorgada a los representantes políticos y la indiferencia ante la opinión pública por la falta de espacios de deliberación, provocan la pérdida de legitimidad en la democracia representativa.
Jorge Francisco Aguirre Sala
doaj  

Benchmarking del e-gobierno local: limitaciones de los sistemas de evaluación comparativa

open access: yes, 2011
Se introduce la necesidad de evaluar y comparar el desarrollo del e-gobierno y se analizan los instrumentos existentes. En primer lugar se presentan los modelos de evolución del e-gobierno actualmente en uso y se discuten sus características y utilidad.
Batlle Montserrat, Joan   +2 more
openaire   +1 more source

La innovación en el gobierno de las cajas rurales españolas: evaluación de su e-gobierno corporativo [PDF]

open access: yesCIRIEC-España, revista de economía pública, social y cooperativa, 2008
[Otros] L¿apparition de l¿économie de la connaissance a eu pour conséquence, entre autres, le triomphe de la mondialisation et de la libération des marchés, la suprématie de la personne en tant que facteur concurrentiel essentiel et la crise de l¿information financière en ce qui concerne son importance, comparabilité et fiabilité.
Elies Seguí Mas   +3 more
openaire   +1 more source

Charge State Influence on Stability and Isomerism in Dehydrogenated PAHs: Insights from Anthracene, Acridine, and Phenazine

open access: yesChemPhysChem, Volume 26, Issue 6, March 15, 2025.
The ionization of anthracene, acridine, and phenazine has been explored, along with the removal of one and two hydrogen atoms, to provide valuable information for astrochemists and to understand the behavior of the resulting structures and their electronic reorganization. Abstract In this study, we systematically explored the stability and isomerism of
Khaldia Zghida   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy