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Updated: Jul 14, 2025

Ultrasound Velocity Measurement in a Liquid Metal Electrode
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显著的热效应在生物组织使用子波长超声波金属在兆赫兹的热效应

Yan Zheng1, Chen Li2, Chuanxin Zhang1

  • 1Center for Biomedical Engineering, School of Information Science and Technology, Fudan University, Shanghai 200433, China.

iScience
|October 9, 2023
PubMed
概括

这项研究展示了一种用于精确超声波聚焦的新型声学金属. 金属在低功率下对生物组织产生显著的热效应,从而实现安全可靠的治疗应用.

关键词:
生物声学是一种生物声学.生物物理学的生物物理.

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Transmission Electron Microscopy01:15

Transmission Electron Microscopy

In 1931, physicist Ernst Ruska—building on the idea that magnetic fields can direct an electron beam just as lenses can direct a beam of light in an optical microscope—developed the first prototype of the electron microscope. This development led to the development of the field of electron microscopy. In the transmission electron microscope (TEM), electrons are produced by a hot tungsten element and accelerated by a potential difference in an electron gun, which gives them up to 400...
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