Results 151 to 160 of about 776,895 (376)

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

Application of analysis techniques for low frequency interior noise and vibration of commercial aircraft [PDF]

open access: yes
Finite element analysis (FEA), statistical energy analysis (SEA), and a power flow method (computer program PAIN) were used to assess low frequency interior noise associated with advanced propeller installations.
Landmann, A. E.   +2 more
core   +1 more source

Embedded Direct‐Written Organic Micro‐TEGs for High‐Efficiency Skin‐Heat Harvesting

open access: yesAdvanced Electronic Materials, EarlyView.
A finite‐element–guided design of direct‐written organic micro‐thermoelectric generators is presented for efficient skin‐heat harvesting. Embedding PEDOT:PSS/PBFDO thermoelectric legs within flexible substrates suppresses interfacial heat losses and enhances vertical heat flow.
Milad Jabri   +4 more
wiley   +1 more source

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

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  

La fea.

open access: yes, 2019
Este cuento, narrado en primera persona, aborda el tema de las feas eróticamente exitosas. Describe la venganza, de una mujer que se considera fea y tiene sentimientos de ira por ello. Más allá de la historia descrita, se pone sobre el tapete el tema de la belleza, su vigencia, la transformación y subjetividad del concepto. (Texto tomado de la fuente)
openaire   +1 more source

Climate Change Agricultural Comparative Advantage and the US Trade Balance

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT Current science indicates that warming and elevated atmospheric CO2 will have ambiguous results for crop productivity depending on crop type and geographic location, whereas increased heat stress makes livestock and human labor less productive.
Elizabeth A. Fraysse   +2 more
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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