Results 31 to 40 of about 71,150 (219)

Revisiting Stability Criteria in Ball‐Milled High‐Entropy Alloys: Do Hume–Rothery and Thermodynamic Rules Equally Apply?

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
The stability criteria affecting the formation of high‐entropy alloys, particularly focusing in supersaturated solid solutions produced by mechanical alloying, are analyzed. Criteria based on Hume–Rothery rules are distinguished from those derived from thermodynamic relations. The formers are generally applicable to mechanically alloyed samples.
Javier S. Blázquez   +5 more
wiley   +1 more source

INVESTIGADORES, DOCENTES Y EDUCADORES FRENTE A LA EXCLUSIÓN SOCIAL: PARADOJAS Y APUESTAS

open access: yesEducación XX1, 2017
Hablar de exclusión social hoy nos confronta a una cuestión compleja, espinosa, problemática. Sabemos que toda nominación y clasificación entraña un orden jerárquico que refracta un orden social no exento de asimetrías y subordinaciones. Sabemos, también,
José García Molina   +1 more
doaj   +1 more source

Multimodal Data‐Driven Microstructure Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang   +4 more
wiley   +1 more source

Sentidos del cuidado en centros de privación de libertad para adolescentes en Uruguay

open access: yesRevista Latinoamericana en Ciencias Sociales, Niñez y Juventud, 2019
El artículo explora sentidos y significados asociados al cuidado por parte de agentes responsables de la custodia de adolescentes en centros de privación de libertad en Uruguay.
Cecilia Montes-Maldonado
doaj   +1 more source

Dual‐Mode Film Based on Highly Scattering Nanofibers and Upcycled Chips‐Bags for Year‐Round Thermal Management

open access: yesAdvanced Functional Materials, EarlyView.
Intelligent radiative cooling devices, adaptable to various weather conditions, have the potential for year‐round energy savings. This study introduces a sustainable dual‐mode film made from polycaprolactone nanofibers and upcycled chip bags for effective thermal management.
Qimeng Song   +4 more
wiley   +1 more source

Solidaridad, Territorio y Coerción. Explicando la ausencia de conflicto en los trabajadores agroindustriales precarizados de la región del Maule, Chile

open access: yesMundo Agrario, 2017
En base a 53 entrevistas realizadas a trabajadores agroindustriales de cuatro empresas de la región del Maule (Chile), se busca comprender las razones del “desdoblamiento” entre los indicadores objetivos de precariedad laboral y los bajos niveles de ...
Fernando Baeza Rivas   +2 more
doaj   +1 more source

Raman Microscopy at the Organic–Inorganic Interfaces in Human Calcified Aortic Valves Shows the Co‐Existence of Whitlockite Crystals and Carbonated Hydroxyapatite‐Mineralized Collagen Fibrils

open access: yesAdvanced Functional Materials, EarlyView.
This study advances our understanding of aortic valve stenosis by capturing spatially resolved chemical and structural changes at the nanoscale. The findings highlight the potential of combined Raman and electron microscopy for understanding calcification mechanisms across diverse tissue types.
Robin H. M. Van der Meijden   +11 more
wiley   +1 more source

Pensadores y pobreza El rol del conocimiento especializado en las políticas de lucha contra la pobreza en Uruguay

open access: yesRevista Mexicana de Ciencias Políticas y Sociales, 2015
Este artículo presenta las dinámicas mediante las cuales el conocimiento especializado interviene en el diseño e implementación de las políticas públicas.
María Belén Villegas Plá
doaj   +1 more source

Slight Truncation Changes in Iron Oxide Nanocubes Strongly Affect Their Magnetic Properties

open access: yesAdvanced Functional Materials, EarlyView.
Subtle variations in nanoparticle morphology can lead to significant changes in functional properties. An automated shape‐fitting method captures minor differences in corner truncation between iron oxide nanocubes of similar sizes synthesized under identical conditions, revealing pronounced disparities in their magnetic and hyperthermia behavior ...
Kingsley Poon   +7 more
wiley   +1 more source

Bio‐Inspired Magnetically Tunable Structural Colors from Elliptical Self‐Assembled Block Copolymer Microparticles

open access: yesAdvanced Functional Materials, EarlyView.
Cephalopod‐inspired photonic microparticles with dynamic structural coloration are fabricated via confined self‐assembly of linear block copolymers into ellipsoids containing stacked lamellae. Embedded superparamagnetic nanoparticles enable rapid magnetic alignment, restoring vivid, angle‐dependent color.
Gianluca Mazzotta   +8 more
wiley   +1 more source

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