Results 51 to 60 of about 2,555 (260)

Turning Water Into a Tool: From Degradation Pathways to Functional Engineering in Halide Perovskites

open access: yesAdvanced Materials Technologies, EarlyView.
Water exhibits a threshold‐dependent dual role in lead halide perovskites, acting either as a degradation trigger or as a powerful tool for defect passivation, recrystallization, and structural engineering. This review discusses how controlled water‐mediated interactions govern stability, dimensionality, and optoelectronic performance, providing ...
Raphaella T. S. Gonçalves   +4 more
wiley   +1 more source

Prácticas afirmativas de organización áulica en situaciones conflictivas

open access: yesRevista Portuguesa de Pedagogia, 2020
El presente trabajo está asociado a la colaboración de los autores en dos proyectos de investigación vinculados a la observación de la práctica docente.
Daniel Gómez Ramos   +1 more
doaj   +1 more source

Extrusion Bioprinting for Wound Healing: Innovations in Functionalized Bioinks and Bioprinting Technology

open access: yesAdvanced Materials Technologies, EarlyView.
Extrusion‐based bioprinting (EBB) has emerged as a versatile biofabrication platform capable of precisely depositing bioinks composed of biomaterials, cells, and bioactive agents to generate patient‐specific, biomimetic skin constructs. This paper presents a state‐of‐the‐art and forward‐looking overview of EBB for wound healing, encompassing printing ...
Hien‐Phuong Le   +4 more
wiley   +1 more source

Rotura de maquinaria: Una explicación a partir de la Teoría del Caos

open access: yesIndustrial Data, 2009
Se expone una tentativa para explicar el proceso de las fallas en maquinarias, basada en la teoría del caos. Las máquinas realizan tareas repetitivas que podrían ser modeladas matemáticamente como combinaciones de movimientos oscilatorios forzados; en ...
Javier Montenegro Joo
doaj   +1 more source

DE ANDRONOV A PEIXOTO: A NOÇÃO DE ESTABILIDADE ESTRUTURAL E AS PRIMEIRAS MOTIVAÇÕES DA ESCOLA BRASILEIRA DE SISTEMAS DINÂMICOS

open access: yesRevista Brasileira de História da Matemática, 2020
Abordamos, neste artigo, o período da história da Teoria dos Sistemas Dinâmicos que vai de meados dos anos 1930 ao início dos anos 1960, procurando investigar a gênese de conceitos e ferramentas que participaram da constituição deste novo domínio da ...
Tatiana Roque
doaj   +1 more source

Strong‐Magnetic Flexible Composites for Magnetically Responsive Soft Robots

open access: yesAdvanced Robotics Research, EarlyView.
This perspective provides an overview of the performance mechanisms, preparation methods, and applications of strong magnetic flexible composite materials in soft actuators (such as gripping, movement, and sensing), and further explores current opportunities and challenges.
Wenwen Li   +4 more
wiley   +1 more source

Cross‐Scale Hierarchical Targeted Delivery System Based on Small‐Scale Magnetic Robots

open access: yesAdvanced Robotics Research, EarlyView.
This article reviews a cross‐scale hierarchical targeted delivery system that integrates magnetic continuum robots and magnetic microrobots. By combining rapid long‐range navigation with precise microscale targeting, the system overcomes key limitations of single‐scale approaches.
Junjian Zhou   +4 more
wiley   +1 more source

Sistemas dinámicos cardiacos en neonatos normales: Ley caótica cardiaca neonatal

open access: yesSalud Uninorte, 2014
Objetivo: Caracterizar matemáticamente la dinámica cardiaca neonatal normal en cuatro estados: Dormido quieto, Dormido activo, Despierto quieto y Despierto activo, para desarrollar una generalización determinando todos los posibles atractores normales ...
Javier Rodríguez-Velásquez   +8 more
doaj  

Learning‐Based Soft Robotic Grasping: Recent Progress and Remaining Challenges

open access: yesAdvanced Robotics Research, EarlyView.
This review analyzes learning‐based soft robotic grasping from a pipeline‐oriented perspective, encompassing soft gripper design, multimodal sensing, and learning‐based planning and control. It surveys key neural network architectures and benchmark datasets and identifies critical challenges such as sim‐to‐real transfer, generalization, and continual ...
Arnab Majumder   +3 more
wiley   +1 more source

A Whole‐Head Finite Element Model for Electrical Neuromodulation via Visual Brain‐Machine Interfaces

open access: yesAdvanced Science, EarlyView.
A multimodal, personalized head model is presented that integrates the entire visual pathway with surrounding tissues to simulate electrical stimulation of the optic nerve. In vivo validation in humans and goats, plus systematic component‐elimination analysis, demonstrates the high accuracy of the comprehensive model.
Shengjian Lu   +12 more
wiley   +1 more source

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