Results 71 to 80 of about 242,351 (314)

Research on Aerodynamic Shape Design Scheme of a Distributed Propeller Transport Aircraft and Its Slipstream Effect

open access: yesXibei Gongye Daxue Xuebao, 2019
With the continuous development and widespread attention of electric propulsion technology in traditional transportation fields such as automobiles and trains, the distributed propeller propulsion technology applied to electric or hybrid electric medium ...

doaj   +1 more source

Physics‐Informed Machine Learning for Sustainable Alloy Design: Toward a Recyclable Unified Q&P Steel

open access: yesAdvanced Science, EarlyView.
A physics‐informed property‐bridging framework links high‐throughput hardness screening to tensile performance in quenching and partitioning steels. By transferring metallurgically guided representations across properties, a single alloy composition is designed to achieve multiple strength grades through heat‐treatment tuning alone, offering a ...
Xiaolu Wei   +7 more
wiley   +1 more source

Hierarchical Ordering Induced Ultrahigh Cryogenic Strength and Strain Hardening in a Ni2CoFeV Medium‐Entropy Alloy

open access: yesAdvanced Science, EarlyView.
A tri‐phase Ni2CoFeV medium‐entropy alloy with fcc, κ, and L12 phases achieves exceptional cryogenic strength‐ductility synergy at 77 K. It delivers a yield strength of 1.4 GPa, an ultimate tensile strength of 2.07 GPa and a tensile ductility of 28%.
Lei Gu   +4 more
wiley   +1 more source

La migración utópica: recorridos migratorios, fronteras e identidades de loseuropeos en el pueblo de Tepoztlán, México

open access: yesMaguaré, 2009
El tema del artículo se inserta en los estudios sobre la movilidad de los euro- peos hacia los países del sur del planeta, en particular hacia México, en la época contemporánea.
Andrea Vaschetto
doaj  

Structurally Complex Precipitates Enhance Strength‐Ductility Synergy in a Duplex Medium Entropy Alloy

open access: yesAdvanced Science, EarlyView.
Strong‐yet‐ductile precipitation‐hardening alloys require novel microstructural complexity of precipitates in particularly at cryogenic condition, to constantly impart strain hardening of hard‐and‐brittle precipitates. The present work creates innovative structurally complex precipitates assembled with dispersed nanocores and a chemical‐heterogeneity ...
Shaohua Gao   +9 more
wiley   +1 more source

Highly Reversible Zinc Anode Enabled by a Thiourea‐Derived Protective Layer for Alkaline Zinc Batteries

open access: yesAdvanced Science, EarlyView.
A ZnS/carbon nitride (ZnS/CN) protective coating is constructed on Zn anodes via ultrasonic spray coating, enabling uniform and stable Zn stripping/plating, suppressing dendrite formation, and mitigating parasitic side reactions, resulting in a prolonged cycling lifespan and high reversibility of the Zn anode in alkaline Zn–air batteries. ABSTRACT Zinc‐
Noam Navon   +7 more
wiley   +1 more source

Design and Validation of a Tripping-Eliciting Platform Based on Compliant Random Obstacles

open access: yesIEEE Open Journal of Engineering in Medicine and Biology
Goal: The experimental study of the stumble phenomena is essential to develop novel technological solutions to limit harmful effects in at-risk populations.
Eugenio Anselmino   +7 more
doaj   +1 more source

Comunidades de Relações Internacionais na América Latina: uma análise das tendências a partir do TRIP 2014

open access: yesCarta Internacional, 2017
Este relatório tem por objetivo divulgar as principais tendências verificadas nos resultados do Projeto Teaching. Research & Internacional Policy (TRIP), de 2014, entre as comunidades epistêmicas latino-americanas da Argentina, Brasil, Chile, Colômbia e ...
Rafael Antonio Duarte Villa   +3 more
doaj   +1 more source

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

open access: yesAdvanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang   +9 more
wiley   +1 more source

Road Trip

open access: yes, 2022
With maternal connections to Girrimay mob from North Queensland, born on Turrbal land, Marianne Wobcke is a nurse, midwife and award-winning artist.
Wobcke, Marianne, Cooper, Rae
core  

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