Results 121 to 130 of about 109,668 (295)

The Acoustic Characteristic Investigation of Micro Plasma Shock Wave Obtained by Femtosecond Laser Ablation of Silicon Wafer Surface

MATEC Web of Conferences, 2016
We experimentally investigate the acoustic characteristic of micro plasma shock wave obtained by femtosecond laser ablation of silicon wafer surface using F-P optical fiber acoustic sensor with anti electromagnetic interference.
Zhong Dong, Li Zhong Ming, Chen Chun, Ruan Ruo Lin   +3 more
doaj   +1 more source

Acoustic radiation force impulse imaging for differentiation of thyroid nodules

, 2012
Background: Acoustic Radiation Force Impulse (ARFI)-imaging is an ultrasound-based elastography method enabling quantitative measurement of tissue stiffness.
Stefan Zeuzem, Lisa Voelkl (139194), Holzer, Katharina, Katharina Holzer (139190), Schroeter, Hartmut, Friedrich-Rust, Mireen, Dauth, Nina, Christian Berner, Katharina Holzer, Joerg Bojunga, Gesine Meyer (139188), Hartmut Schroeter (139199), Joerg Bojunga (139182), Berner, Christian, Meyer, Gesine, Lisa Voelkl, Herrmann, Eva, Nina Dauth (139184), Hartmut Schroeter, Voelkl, Lisa, Nina Dauth, Mireen Friedrich-Rust, Bojunga, Jörg, Eva Herrmann (139197), Gesine Meyer, Christian Berner (139186), Eva Herrmann, Mireen Friedrich-Rust (139200), Zeuzem, Stefan, Stefan Zeuzem (22856)   +29 more
core   +1 more source

Magnetic Droplet Manipulation on Open Surfaces

Advanced Materials Technologies, EarlyView.
Recent advances in the manipulation of magnetic droplets demonstrate various manipulations on open surfaces, including transport, splitting, merging, and force‐controlled motion, enabled by magnetic particles and external fields. ABSTRACT Manipulation of liquids on a smaller scale enables applications in various fields, particularly diagnostics and ...
Robab Jahangir, Vahid Nasirimarekani
wiley   +1 more source

Enhancement of Quality Factors in a 6.5 GHz Resonator Using Mo/SiC Composite Microstructures

Micromachines
This study addresses the critical challenge of lateral acoustic wave energy leakage in high-frequency film bulk acoustic resonators (FBARs) and elucidates the reflection mechanism of acoustic waves at acoustic reflection boundaries.
Binghui Lin, Yupeng Zheng, Haiyang Li, Yuqi Ren, Tingting Yang, Zekai Wang, Yao Cai, Qinwen Xu, Chengliang Sun   +8 more
doaj   +1 more source

On–Off Switchable Micromotors for Use in Steerable Microvehicles

Advanced Robotics Research, EarlyView.
Electrically controllable micromotors and microvehicles are developed by tuning the diffusion of the fuel. Self‐propelled micromotors using bubble propulsion show great promise for miniaturized devices with multiuse purposes such as cargo delivery and sensing. However, there is currently no method to electrically switch the micromotors on or off. Here,
Hugo Severinsson, Eswaran Murugasen, Jose G. Martinez, Edwin W. H. Jager   +3 more
wiley   +1 more source

Modulus‐Switchable Miniature Robots for Biomedical Applications: A Review

Advanced Robotics Research, EarlyView.
Materials, robot designs, proof‐of‐concept functions, and biomedical applications of modulus‐switchable miniature robots. Miniature soft robots have shown great potential in biomedical applications due to their excellent controllability and suitable mechanical properties in biological environments.
Chunyun Wei, Yibin Wang, Jiangfan Yu
wiley   +1 more source

Experimental Study on the Scintillation Index of Vortex Beam Superposition States Perturbed by Linear Array Acoustic Sources in Atmospheric Environments

Photonics
Acoustic waves, as mechanical waves, can perturb atmospheric pressure during propagation, altering the refractive index and turbulence distribution.
Jialin Zhang, Mingjun Wang, Luxin Diao, Yafei Wei, Pengchao Zhu   +4 more
doaj   +1 more source

Frequency dependence of acoustic waves in marine sediments [PDF]

, 2002
In situ techniques provide the most reliable method of examining the geoacoustical properties of marine sediments. In the past, individual in situ surveys have only been able to examine compressional waves over a maximum frequency range of 100 Hz to 50 ...
Robb, G., Dix, J.K., Best, A.I., Leighton, T.G., Riggs, J.S., Harris, A., Bull, J.M., White, P.R.   +7 more
core  

Information Transmission Strategies for Self‐Organized Robotic Aggregation

Advanced Robotics Research, EarlyView.
In this review, we discuss how information transmission influences the neighbor‐based self‐organized aggregation of swarm robots. We focus specifically on local interactions regarding information transfer and categorize previous studies based on the functions of the information exchanged.
Shu Leng, Zihan Li, Yifeng Shao, Jinhao Liu, Li Yu, Shuguang Li   +5 more
wiley   +1 more source

Development of a new diagnostic device for extracorporeal shock-wave lithotripsy

, 2004
Extracorporeal Shock-Wave Lithotripsy (ESWL) is the leading technique for the non-invasive treatment of urinary stones. Thousands of ultrasound shocks are focused on the stones in order to break them into fragments small enough to be passed naturally by ...
Coleman, A.J., Leighton, T.G., Hurrell, A.M., Fedele, F., White, P.R.   +4 more
core