Results 41 to 50 of about 2,796,987 (295)

The Infrared Einstein Ring in the Gravitational Lens MG1131+0456 and the Death of the Dusty Lens Hypothesis [PDF]

open access: yes, 1998
We have obtained and modeled new NICMOS images of the lens system MG1131+0456, which show that its lens galaxy is an H=18.6 mag, transparent, early-type galaxy at a redshift of about z_l = 0.85; it has a major axis effective radius R_e=0.68+/-0.05 arcsec,
B. A. Mcleod   +8 more
core   +1 more source

Modeling field evaporation degradation of metallic surfaces by first principles calculations: A case study for Al, Au, Ag, and Pd [PDF]

open access: yes, 2018
Indexación: Scopus.Under the effects of an extreme electric field, the atoms on a metallic surface evaporate by breaking their bonds with the surface. In this work, we present the effects of a high electric field, by the use of computational simulations,
Broderick, S.R.   +3 more
core   +1 more source

Plasma Proteomic Signatures for Alzheimer's Disease: Comparable Accuracy to ATN Biomarkers and Cross‐Platform Validation

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background There is growing recognition of the potential of plasma proteomics for Alzheimer's Disease (AD) risk assessment and disease characterization. However, differences between proteomics platforms introduce uncertainties regarding cross‐platform applicability.
Manyue Hu   +9 more
wiley   +1 more source

Historia & proyecto

open access: yesA&P Continuidad, 2018
Dentro de una cartografía que intenta abordar las distintas posibilidades de producción del proyecto, este ensayo profundiza particularmente uno –que llamamos modo heterónomo- según el cual, el proyecto es una cierta reelaboración de saberes previos y/o externos al eventual saber específico de la arquitectura.
openaire   +2 more sources

Frutos de la tierra, Marca Colectiva para el Desarrollo Rural Agroecologico [PDF]

open access: yes, 2013
Mejorar las condiciones de acceso de productos ecológicos a los mercados locales es uno de los objetivos fundamentales de la Asociación Nacional de Productores Ecológicos del Perú (ANPE PERÚ).
Proyecto AGROECO,
core  

Charged pion masses under strong magnetic fields in the NJL model [PDF]

open access: yes, 2018
The behavior of charged pion masses in the presence of a static uniform magnetic field is studied in the framework of the two-flavor NJL model, using a magnetic field-independent regularization scheme.
Coppola, Máximo   +2 more
core   +3 more sources

Color Routing and Beam Steering of Single‐Molecule Emission with a Spherical Silicon Nanoantenna

open access: yesAdvanced Functional Materials, EarlyView.
We experimentally demonstrate broadband directional emission from single molecules using a single spherical silicon nanoparticle assembled via DNA origami. By varying nanoparticle (NP) size and emitter position, we achieve unidirectional emission, beam steering, and color routing at the nanoscale, revealing modal interference as the underlying ...
María Sanz‐Paz   +9 more
wiley   +1 more source

Regulatory reform policies for developing market process: The ecuadorian case

open access: yesRehuso, 2022
Market processes suggest legal figures that are applied effectively and efficiently. In the Ecuadorian case, it is essential for legal institutions to be strong, which implies formality and stability.
Lissangee Stefanía Mendoza García   +4 more
doaj  

Inventario de mamíferos medianos y grandes en la reserva los Titíes de San Juan, Montes de María, Bolívar, Colombia

open access: yesMammalogy Notes, 2020
Reportamos el inventario de mamíferos medianos y grandes para la Reserva Nacional de la Sociedad Civil Los Titíes de San Juan en el departamento de Bolívar.
Leidy Carolina García-T   +2 more
doaj   +1 more source

Consolidation of an EV Project Based Learning program integrated within a complete Bachelor Engineering Degree [PDF]

open access: yes, 2017
Proyecto docente para el aprendizaje de competencias fundamentales de la ingeniería a través del aprendizaje basado en un proyecto multianual y multidisciplinar coordinado sobre las asignaturas troncales de este tipo de grados.
Andrés-Díaz, José Ramón   +4 more
core  

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