Results 151 to 160 of about 693,443 (333)

Ultra‐Sensitive and Linear Flexible Pressure Sensors with Tri‐Scale Graded Microstructures for Advanced Health Monitoring and Robotic Perception

open access: yesAdvanced Science, EarlyView.
A flexible piezoresistive sensor with a 3D tri‐scale graded microstructure is proposed, overcoming the trade‐off between sensitivity and linearity. The device achieves ultra‐high sensitivity (138.6 kPa−1), a broad linear range (400 kPa, R2 = 0.99), and exceptional stability (24 000 repeated loading cycles), enabling precise detection of physiological ...
Rui Chen   +6 more
wiley   +1 more source

COLETA DE EXTRATO PIROLENHOSO NA INDÚSTRIA CARVOEIRA

open access: yesRevista de Estudos Sociais, 2014
A obtenção de alguns produtos originados a partir da carbonização da madeira tem permitido aumentar a rentabilidade da produção de carvão vegetal com subprodutos de grande importância comercial como o extrato pirolenhoso, alcatrão e gases não ...
Marcelo Elias dos Santos   +2 more
doaj  

Reiniciando Atuária na FEA/USP [PDF]

open access: diamond, 2006
Iran Siqueira Lima
openalex   +1 more source

Delamination failure in a unidirectional curved composite laminate [PDF]

open access: yes
Delamination failure in a unidirectional curved composite laminate was investigated. The curved laminate failed unstably by delaminations developing around the curved region of the laminate at different depths through the thickness until virtually all ...
Martin, Roderick H.
core   +1 more source

Liquid Metals in Radio Frequency Applications: A Review of Physics, Manufacturing, and Emerging Technologies

open access: yesAdvanced Electronic Materials, EarlyView.
This paper reviews the physics of liquid metals in RF devices, including the influence of mechanical strain on resonance as well as fabrication methods and strategies for designing tunable and strain‐tolerant inductors, capacitors, and antennas.
Md Saifur Rahman, William J. Scheideler
wiley   +1 more source

Interações energéticas entre o Estado de Minas Gerais e o restante do Brasil: uma análise inter-regional de insumo-produto

open access: yesEconomia Aplicada, 2007
Este trabalho analisa as interações entre o Estado de Minas Gerais e o restante do Brasil com relação ao consumo de energia. A análise é feita utilizando-se um modelo inter-regional híbrido de insumo-produto, por meio do qual são computadas medidas de ...
Fernando Salgueiro Perobelli   +2 more
doaj  

Aqueous Zinc‐Based Batteries: Active Materials, Device Design, and Future Perspectives

open access: yesAdvanced Energy Materials, EarlyView.
This review conducts a comprehensive analysis of aqueous zinc‐based batteries (AZBs) based on their intrinsic mechanisms, including redox reactions, ion intercalation reactions, alloying reactions, electrochemical double‐layer reactions, and mixed mechanisms, systematically discussing recent advancements in each type of AZBs.
Yan Ran, Fang Dong, Shuhui Sun, Yong Lei
wiley   +1 more source

O salário mínimo como instrumento de combate à pobreza extrema: estariam esgotados seus efeitos?

open access: yesEconomia Aplicada, 2011
Este artigo analisa a evolução do salário mínimo no Brasil após o Plano Real e os seus efeitos na pobreza extrema. Entre 1994 e 2008, o salário mínimo acumulou um aumento real de quase 110%, crescendo em relação à renda média no país.
Luís Eduardo Afonso   +3 more
doaj  

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