Results 31 to 40 of about 10,781 (203)

Sustainable and Multifunctional Natural Macromolecular Polymers for Aqueous Zn Metal Batteries

open access: yesAdvanced Materials, EarlyView.
We comprehensively review the structure‐function relationships and regulatory mechanism of natural macromolecular polymers in stabilizing zinc anodes at the microscopic and mesoscopic scales. The interactions among polymer structures, optimization strategies, and regulatory mechanisms are discussed systematically summarizing recent related research ...
Yunuo Shi   +13 more
wiley   +1 more source

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

open access: yesAdvanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz   +5 more
wiley   +1 more source

COMBINAÇÃO DE SÉRIES TEMPORAIS DE ATRASO ZENITAL TROPOSFÉRICO EM TEMPO QUASE REAL: RESULTADOS PRELIMINARES

open access: yesRevista Brasileira de Cartografia, 2015
Um dos produtos meteorológicos advindos do processamento de alta precisão de dados GNSS é a estimativa do atraso zenital troposférico, o qual pode ser utilizado para quantificar o vapor d'água integrado na coluna atmosférica, importante medida para as ...
Vinicius Francisco Rofatto   +2 more
doaj  

Additive‐Manufactured, Multifunctional Bioreactor Technology for Dynamic Culture of 3D Bioprinted Tissue Models

open access: yesAdvanced Materials Technologies, EarlyView.
We introduce an additively manufactured bioreactor with a perfusion flow system and integrated temperature and pH sensors for skeletal muscle tissue biofabrication. The bioreactor's performance was evaluated by assessing the viability, spreading of the myoblast cells in a printed scaffold, and contraction of the isolated murine musculi interossei ...
Lys Sprenger   +9 more
wiley   +1 more source

Previsão de Tendência de Preço no Mercado Brasileiro de Ações usando Cadeias de Markov de Tempo Discreto

open access: yesVetor
O entendimento da tendência do mercado de ações com o objetivo de prever o movimento de preço é muito importante para decisões de investimento dado que os preços das ações são afetados não somente pelo estado financeiro da empresa, mas também por ...
João Queiroz, Martha Torres
doaj   +1 more source

Aplicação da análise de agrupamento de dados de expressão gênica temporal a dados em painel

open access: yesPesquisa Agropecuária Brasileira, 2011
O objetivo deste trabalho foi determinar a melhor alternativa, entre os métodos de agrupamento hierárquico (Ward) e de otimização (Tocher), para a formação de grupos homogêneos de séries de expressão gênica, e realizar previsões quanto à expressão gênica
Moysés Nascimento   +2 more
doaj   +1 more source

Testing and Simulation of Multilayer Polyvinylidene Fluoride‐Based Piezoelectric Energy Harvester Devices

open access: yesAdvanced Materials Technologies, EarlyView.
The study considers the use of polymer/dielectric‐based multilayers piezoelectric Energy Harvesters (EH) to produce an output voltage and current, by exploiting the mechanical energy provided by human organs movements. In particular, the heart motion is considered from the kinematic viewpoint, and a multiphysics theoretical model is developed to assess
Hamdi Ezzin   +5 more
wiley   +1 more source

On‐Chip Photonic Neural Network Architectures

open access: yesAdvanced Optical Materials, EarlyView.
This review presents a comprehensive overview of on‐chip photonic neural network architectures, covering key photonic building blocks, representative network types, and emerging applications. Recent advances, implementation challenges, and future directions are examined, highlighting the potential of integrated photonics to enable ultrafast, energy ...
Seokjin Hong   +7 more
wiley   +1 more source

Learning Highly Dynamic Skills Transition for Quadruped Jumping Through Constrained Space

open access: yesAdvanced Robotics Research, EarlyView.
A quadruped robot masters dynamic jumps through constrained spaces with animal‐inspired moves and intelligent vision control. This hierarchical learning approach combines imitation of biological agility with real‐time trajectory planning. Although legged animals are capable of performing explosive motions while traversing confined spaces, replicating ...
Zeren Luo   +6 more
wiley   +1 more source

Mortalidade infantil no Brasil em períodos recentes de crise econômica

open access: yesRevista de Saúde Pública, 2003
OBJETIVO: Analisar a tendência temporal da mortalidade infantil no Brasil em um período recente (1980 a 1998) de crise econômica. MÉTODOS: Estudo de série temporal tendo o Sistema de Informações de Mortalidade do Ministério da Saúde, Fundação IBGE e ...
Maria da Conceição Nascimento Costa   +5 more
doaj   +3 more sources

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