Results 191 to 200 of about 564,776 (415)

Progress and Perspectives in 2D Piezoelectric Materials for Piezotronics and Piezo‐Phototronics

open access: yesAdvanced Science, EarlyView.
This review examines advancements in 2D materials, focusing on their applications in piezotronics and piezo‐phototronics. It discusses key materials like TMDs, h‐BN, and phosphorene, highlighting their unique mechanical, electronic, and optical properties.
Fengyi Pang   +6 more
wiley   +1 more source

Wind sensitivity studies of a non-return wind tunnel, with a 216- by 432-mm (8.5- by 17.0-inch) test section, phase 1 [PDF]

open access: yes
The study to develop inlet and exit treatments which would minimize the effect of external wind on the test-section flow quality of a nonreturn wind tunnel is reported.
Eckert, W. T.   +2 more
core   +1 more source

Flutter stability of twin-box bridge decks [PDF]

open access: yesarXiv
The present paper reports on wind tunnel tests and analyses carried out to investigate the effect of the static angle of attack on the aerodynamic stability of a twin-box bridge deck section. It is found that the critical wind speed for onset of flutter increases with increasing positive static angles (nose-up) and that this effect relates mainly to a ...
arxiv  

Artificial Cornea Substitute Based on Hydrogel Skeletons with Natural Stromal Hierarchical Structure and Extracellular Matrix for Sutureless Transplantation

open access: yesAdvanced Science, EarlyView.
Humanized corneal stroma‐like adhesive patches (HCSPs) are developed for lamellar keratoplasty and corneal perforation repair. HCSPs exhibit histological, optical, and biomechanical characteristics similar to those of the natural cornea, with improved wet tissue adhesion, anti‐degradation, and anti‐swelling capabilities compared to conventional tissue ...
Long Zhao   +9 more
wiley   +1 more source

Performance and test section flow characteristics of the National Full-Scale Aerodynamics Complex 80- by 120-Foot Wind Tunnel [PDF]

open access: yes
Results from the performance and test section flow calibration of the 80- by 120-Foot Wind Tunnel are presented. Measurements indicating the 80- by 120-ft test section flow quality were obtained throughout the tunnel operational envelope and for ...
Zell, Peter T.
core   +1 more source

Wind-Tunnel Tests of a Bridge Model with Active Vibration Control [PDF]

open access: green, 2000
Henriette I. Hansen   +3 more
openalex   +1 more source

High‐Conductivity, Self‐Healing, and Adhesive Ionic Hydrogels for Health Monitoring and Human‐Machine Interactions Under Extreme Cold Conditions

open access: yesAdvanced Science, EarlyView.
This study presents an ionic conductive hydrogel (ICH) with excellent conductivity, self‐healing, self‐adhesion, and long‐term stability under extreme cold conditions. It shows significant potential for non‐invasive, continuous health monitoring, conformally adhering to skin without signal crosstalk, enabling real‐time, high‐fidelity signal ...
Fei Han   +12 more
wiley   +1 more source

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