Results 241 to 250 of about 10,191,105 (348)

FEM-Based Design of Mass-Spring Acoustic Matching Layers for Ultra-High-Frequency Ultrasonic Transducers with Half-Concave Piezoelectric Elements. [PDF]

Sensors (Basel)
Zhao J, Zhang Z, Li Z, Li Y, Li Y, Huang G, Yang Y.   +6 more
europepmc   +1 more source

Interface Rectification via Roll‐to‐Roll Dual‐Confinement Nanocoatings for High‐Temperature Polymer Capacitors

Advanced Science, EarlyView.
Dual confinement in self‐assembled nanocoatings regulates polymer dynamics and hot‐carrier transport, enabling an interface‐rectification strategy for high‐temperature polymer capacitive energy storage. ABSTRACT Polymer film capacitors are indispensable for energy storage and power conversion, yet their energy density and efficiency deteriorate rapidly
Ning Guo, Marina Dabaghian, Jierui Zhou, Josh N. Bodin, Chong Xiang, Fei Wang, Antigoni Konstantinou, Dingxin Wei, Yifei Wang, Chao Wu, Riccardo Casalini, Bryan Huey, Priya Vashishta, Luyi Sun, Yang Cao   +14 more
wiley   +1 more source

Direct Time-Domain Eduction of Acoustic Liner Impedance in Turbulent Grazing Flows. [PDF]

J Fluid Mech
Roncen R, Ambrosiani L, Paduano A, Avallone F, Méry F, Piot E.   +5 more
europepmc   +1 more source

Ultrasound‐Triggered piRNA Delivery Using Biomimetic Phase‐Changeable Nanoparticles for Theranostics of Myocardial Infarction

Advanced Science, EarlyView.
A biomimetic ultrasound‐responsive piRNA delivery nanoparticle platform (piR‐NPs) enables targeted delivery and ultrasound (US)‐triggered release of piR‐1873 in infarcted myocardium. The released piR‐1873 suppresses Usp2‐mediated RIP1/RIP3/MLKL necroptosis, reduces myocardial injury and fibrosis, and promotes cardiac functional recovery, providing a ...
Yajun Zhang, Hongzhao Qi, Yanyan Yang, Feng Wang, Tiantian Han, Yanbei Lei, Xiaolu Li, Zhibin Wang, Hua Qu, Tao Yu, Pin Sun   +10 more
wiley   +1 more source

Design and Sound Absorption Characteristics of a Broadband Acoustic Absorber for Transformer Noise Control Based on a Composite Structure of Traditional and Side-Slit Helmholtz Resonators. [PDF]

Materials (Basel)
Zhao L, Yang G.
europepmc   +1 more source

Mechanism of Direct Acoustic Construction and Gradient Properties Tuning

Advanced Science, EarlyView.
Directed acoustic construction enables omnidirectional gradient tuning of fingerprint‐inspired microstructures. By investigating the DAC mechanisms, diamond particles are found to enhance acoustic physical, mechanical, and chemical effects, promoting acoustic curing and broadening the range of gradient property tuning.
Dandan Wu, Lijuan Zheng, Guang Yao, Zijun Liu, Liyan Luo, Cile Liang, Chengyong Wang   +6 more
wiley   +1 more source

Thermoacoustic Sensing of Temperature Variations in Water-Saturated Porous Media. [PDF]

Sensors (Basel)
Wang C, Lopez RM, Liu C, Martinez-Lorenzo JA.   +3 more
europepmc   +1 more source

Interfacial Polarization Dynamics of Nitrile Dipoles in Organic Synaptic Transistors for Acoustic Reservoir Computing

Advanced Science, EarlyView.
Interfacial nitrile dipoles unlock tunable memory in organic synaptic transistors through competing polarization and relaxation. Their finite time dynamics are directly harnessed for acoustic reservoir computing, delivering 97.17% spoken digit recognition, reliable speech emotion and snoring recognition, and an ultralow event energy of only 50 aJ ...
Yutian Liu, Jiale Huang, Haoran Fang, Jichen Zhao, Fan Ye, Bo Huang, Ruibin Liang, Jintao Xu, Fanqi Wang, Mingjun Huang, Zhiming Lin, Shuguang Zhang, Linfeng Lan, Junbiao Peng   +13 more
wiley   +1 more source

A deep neural network-enhanced multi-scale coupled model of patient-specific acoustic wave propagation for mechanotransduction stimulation of healthy and osteoarthritic knee articular cartilage. [PDF]

Biomech Model Mechanobiol
Fernandes NATC, Hinckel B, Leal A, Carvalho Ó.   +3 more
europepmc   +1 more source

Ferroionic Electrostatic Landscapes Enabling Wireless Energy Harvesting, Storage, and Sensing

Advanced Electronic Materials, EarlyView.
By integrating experiments and electrostatic field simulations, we show that long‐range wireless coupling in Li‐based ferroionics devices emerges from the cooperative interaction between ionic migration and electronic polarization. This coupling sustains self‐polarized electrostatic fields across centimeter‐scale air gaps without external bias or ...
M. Helena Braga, Beatriz M. Gomes, António B. Vale, Beatriz A. Maia, Ilídio B. Costa, Filipa Braz, Jorge C. Ribeiro, João C. Ribeiro   +7 more
wiley   +1 more source