| 单词 | piezoelectric effect |
| 例句 | At the heart of its tech is something called the piezoelectric effect. The headphones that even a DJ can't break? 2020-08-10T04:00:00Z But they usually employ the piezoelectric effect, whereby an alternating electric current causes them to vibrate if transmitters or, if receivers, to generate an electric current in response to vibration. Acoustic chatter 2015-07-09T04:00:00Z The machines exploit the piezoelectric effect of some crystals, whereby they expand when a voltage is applied, moving a lever that then pushes plastic pins through a series of holes. The missing budget Braille e-reader 2014-05-08T23:08:39Z A nifty bit of physics called the piezoelectric effect, by which certain materials generate an electric current when stressed, offers a way around that. High-tech shipping containers: Boxing clever 2014-02-27T16:07:00Z The researchers stacked sheets of viruses on top of one another to amplify the piezoelectric effect. Bacteria-Eating Viruses May Power Cell Phones 2012-08-11T14:45:07.500Z They found that a stack about 20 layers thick exhibited the strongest piezoelectric effect. Viruses used to power tiny device 2012-05-15T14:33:36Z The Berkeley team layered several of these viral films atop one another to enhance the piezoelectric effect and then capped the stack with a second electrode. Electronics Go Viral 2012-05-14T21:32:44Z |
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