Results 91 to 100 of about 572,074 (234)

Pressure‐Driven Phase Transition Unlocking Unique Eu2+ Luminescence in Li2SrSiO4 for Optical Sensing and White‐LEDs

open access: yesAdvanced Science, EarlyView.
This study demonstrates, for the first time, the use of a large‐format high‐pressure press to modify synthesized Li2SrSiO4:Eu2+,Cs+ phosphors after its preparation. The pressure treatment results in the formation of new materials with distinctive optical properties, opening pathways for the development of advanced LED devices and high‐performance ...
Przemysław Woźny   +9 more
wiley   +1 more source

Electrolyte–Framework Matching in High‐Voltage TEMPO‐COF Cathodes for Lithium Batteries

open access: yesAdvanced Science, EarlyView.
TEMPO‐functionalized covalent organic frameworks are investigated as high‐voltage cathodes for lithium batteries. Screening five electrolyte anions identifies lithium difluoro(oxalato)borate (LiDFOB) as the optimal electrolyte, balancing capacity, rate capability, and cycling stability, while buckypaper electrodes achieve high mass loading (40 mg cm−2)
Marilyn Esclance DMello   +5 more
wiley   +1 more source

A Unifying Approach to Self‐Organizing Systems Interacting via Conservation Laws

open access: yesAdvanced Intelligent Discovery, EarlyView.
The article develops a unified way to model and analyze self‐organizing systems whose interactions are constrained by conservation laws. It represents physical/biological/engineered networks as graphs and builds projection operators (from incidence/cycle structure) that enforce those constraints and decompose network variables into constrained versus ...
F. Barrows   +7 more
wiley   +1 more source

La física óptica

open access: yes, 2016
En física, la óptica física, o la óptica de onda, es la rama de la óptica que estudia de interferencia, difracción, polarización, y otros fenómenos de la luz.

core  

Enhancing Sensitivity across Scales with Highly Sensitive Hall Effect‐Based Auxetic Tactile Sensors

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Herein, a tactile sensor based on hall‐effect sensors with an auxetic structure, called Hall effect‐based auxetic tactile sensor (HEATS), is proposed. The change in magnetism resulting from the deformation of the auxetic structure is utilized for sensing.
Youngheon Yun   +6 more
wiley   +1 more source

A Soft Robotic Jellyfish with Decoupled Actuators for Agile 3D Locomotion

open access: yesAdvanced Intelligent Systems, EarlyView.
This study presents a soft robotic jellyfish featuring a functionally decoupled actuation architecture. By separating propulsion, steering, and vertical regulation into independent modules, the robot overcomes conventional coupled‐motion limitations. Utilizing a passive‐valve‐based differential drag strategy and lateral water jets, it achieves agile 3D
Zhuoheng Li   +6 more
wiley   +1 more source

Fundación Mazda para el arte y la ciencia décima segunda entrega de becas

open access: yesCivilizar, 2003
Matemáticos y físicos, desde los albores de estas disciplinas han formulado problemas y conjeturas que muy posteriormente y gracias a herramientas nuevas y deaarrollo insospechados han encontrado alguna respuesta.
Fernando Isaza Delgado
doaj  

A crença dogmática e sua relação com o ser professor na formação inicial em Educação Física

open access: yesRevista Cocar, 2018
Este estudo tem como objetivo compreender as crenças dogmáticas dos licenciandos de Educação Física, no que se refere ao “ser professor”, tendo como referência estudantes que estão na formação inicial, do Centro e Educação Física e Desportos/UFSM.
Telles, Cassiano   +2 more
openaire   +1 more source

Movimento renovador na educação física e currículo: formação docente e consciência crítica [PDF]

open access: yes, 2015
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Desportos, Programa de Pós-Graduação em Educação Física, Florianópolis, 2015.O presente estudo surgiu de uma preocupação acerca da constatação de que na prática docente de ...
Bianchini, Leandro
core  

Os saberes/conhecimentos mobilizados pelos professores de estágio curricular nos cursos de licenciatura em Educação Física no Estado de Mato Grosso

open access: yesRevista Cocar, 2018
O presente artigo tem como objetivo identificar quais os saberes/conhecimentos mobilizados pelos professores de Estágio Curricular nos cursos de Licenciatura em Educação Física do Estado de Mato Grosso. A pesquisa se caracteriza como descritiva com uma abordagem qualitativa.
de Almeida, Francisca Franciely Veloso   +1 more
openaire   +1 more source

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