| 单词 | acoustic wave |
| 例句 | The grooves on an LP are the music’s actual acoustic waves, etched on a master disc’s cutting lathe. Music: Vinyl Revival: Reissues From Blue Note?s Heyday 2010-08-08T01:30:00Z But with their technique, Hu and her team demonstrated that they could control spin by mechanically deforming the material with acoustic waves, obtaining a quality of control similar to other approaches using alternating magnetic fields. Using sound to test devices, control qubits 2023-10-25T04:00:00Z Before offshore wind farms are built, the ocean floor needs to be surveyed by sending acoustic waves into it. Fact-checking Donald Trump's claim that wind turbines kill whales 2023-09-26T04:00:00Z Subsequently, the specific interaction of optical and acoustic waves in the liquid enabled the sensitive measurement of the influence of pressure and temperature in different states of the liquid. Light and sound waves reveal negative pressure 2023-09-25T04:00:00Z But those sounds are inevitably punctuated with silent pauses that mark an absence of acoustic waves. Do We Actually ‘Hear’ Silence? 2023-07-10T04:00:00Z Ultrasound machines bounce acoustic waves off body tissues to create an image, and MRI involves injecting a dye that helps visualize tissues and blood vessels in greater detail. When Should You Get a Mammogram? 2023-06-02T04:00:00Z When acoustic waves move through the material, they put mechanical strain on the lattice, which can flip the spin of the defect. Using sound to test devices, control qubits 2023-10-25T04:00:00Z The key difference between a conventional antenna and the Cell Rover is the translation of electromagnetic waves into acoustic waves. Tiny ‘Rover’ Explores Cells without Harming Them 2022-11-21T05:00:00Z When earthquakes shake the ocean floor, some of the energy is transformed into acoustic waves. Ocean’s hidden heat measured with earthquake sounds 2020-09-17T04:00:00Z But what interested me were the acoustic waves created by the blast. What's Shaking in Oklahoma? 2019-12-06T05:00:00Z On its website Tuesday, the company was offering those stem-cell treatments to patients alongside other unproven treatments such as “acoustic wave” and “electromagnetic pulsed wave therapy.” Judge orders stem cell company to stop selling treatment 2019-06-25T04:00:00Z The ministry stated in a Nov. 15 report on the use of military technology for civilian projects that one program involves an “acoustic wave cannon.” Inside the Ring: China’s acoustic cannon 2019-03-20T04:00:00Z The pulses are sufficient to heat brain tissue by a few microdegrees in a few microseconds, and the resulting thermal expansion launches an acoustic wave in the brain that the subject perceives as sound. Cuba's "Sonic Attack" on the U.S. Embassy Could Have Been Merely Sounds Emitted By a Listening Device 2018-09-07T04:00:00Z Moreover, acoustic waves are used in biomedical microfluidic devices to trap, sort and deliver cells and drug particles. Reflection forbidden and refraction reversed in an artificial crystal 2018-07-31T04:00:00Z They were smaller, which told me that the acoustic wave likely traveled to the atmosphere and then propagated back to the ground, creating the shaking that triggered the seismic signal. What's Shaking in Oklahoma? 2019-12-06T05:00:00Z An official of South Korea’s meteorological agency said acoustic waves should be detected in the event of a man-made earthquake. North Korea: firing rockets on US mainland 'inevitable' says foreign minister 2017-09-23T04:00:00Z An official of South Korea’s Meteorological Agency said acoustic waves should be detected in the event of a man-made earthquake. U.S. bombers, fighters, stage show of force off North Korean coast 2017-09-23T04:00:00Z One example of their innovations uses acoustic waves that are "swept", a process invented by Galex in which acoustic waves are transmitted into the ground oil-bearing rock surrounding around the oil well. Future energy: The technology allowing more oil extraction - BBC News 2017-07-12T04:00:00Z They found that, at the interface between two adjacent facets of the crystal, airborne acoustic waves could undergo negative refraction without reflection. Reflection forbidden and refraction reversed in an artificial crystal 2018-07-31T04:00:00Z “But in this case nature provides the conversion between electromagnetic waves and acoustic waves.” New theory may explain the ‘music of the meteors’ 2017-04-14T04:00:00Z “That’s an acoustic wave. The rubber’s moving, and as it moves it is compressing air. And it compresses air at the same frequency of the vibrations.” Why Are Basketball Games So Squeaky? Consider the Spiny Lobster 2017-03-17T04:00:00Z An official of South Korea’s Meteorological Agency said acoustic waves should be detected in the event of a man-made earthquake. U.S. bombers, fighters, stage show of force off North Korean coast 2017-09-23T04:00:00Z To force oil out of those rocky pores, the acoustic waves produce micro fractures in the rock to increase permeability. Future energy: The technology allowing more oil extraction - BBC News 2017-07-12T04:00:00Z Moreover, the interface scatters some of the acoustic waves into the crystal’s interior, resulting in energy loss. Reflection forbidden and refraction reversed in an artificial crystal 2018-07-31T04:00:00Z The most-likely energy source is acoustic waves that provide heat from below, the study said. Great Red Spot storm heating Jupiter's atmosphere, study shows 2016-07-27T04:00:00Z The other explanation was the acoustic wave idea, but there was never any direct evidence of that happening. The atmosphere above Jupiter's Great Red Spot is hotter than the rest of the planet 2016-07-27T04:00:00Z Those are programmed to listen and identify the particular acoustic wave form of a gunshot, he said. Alumnus donates gunshot detection system to UConn 2016-06-25T04:00:00Z The device is an 'acoustic metamaterial’: a structure patterned with smaller features and designed to affect the acoustic waves that pass through it. 3D-printed device helps computers solve cocktail-party problem 2015-08-09T04:00:00Z Reflection-free acoustic waves are strongly desirable in such applications, because reflections at the interfaces and sharp corners of microfluidic channels are currently a huge limitation to device efficiency. Reflection forbidden and refraction reversed in an artificial crystal 2018-07-31T04:00:00Z The French team’s small demo with acoustic waves in soil worked, deflecting the incoming energy around the target area. Earthquake Deflection Takes Tiny Step 2014-04-06T17:15:00Z That means that the turbulent movements of the massive storm create acoustic waves that shoot upward. The atmosphere above Jupiter's Great Red Spot is hotter than the rest of the planet 2016-07-27T04:00:00Z TriQuint is big in RF filters including bulk acoustic wave, surface acoustic wave and temperature compensated surface acoustic wave filters. Good Time To Get Into Triquint And RF Micro 2014-02-28T18:06:00Z Starboard suggested TriQuint explore selling or restructuring power amplifiers; selling its Oregon plant and outsourcing manufacturing to a foundry; focusing on discrete components rather than modules; and exiting the “small, commodity” surface acoustic wave business. Under Pressure From Activist Shareholder, TriQuint Said To Tap Goldman Sachs For Advice 2014-02-11T15:11:00Z Scientists are now able to peer into the Sun by analysing the star's own acoustic waves, which are generated by its boiling turbulence. The Nasa probe keeping tabs on our turbulent Sun 2013-10-08T00:59:32Z Baryon acoustic oscillations are fluctuations in the density of matter caused by acoustic waves in the early universe. How most of the universe was lost 2012-07-30T21:45:07.560Z In four locations where a sunspot was soon to emerge, acoustic waves returned to the solar surface with anomalous rapidity—more than a dozen seconds faster than normal. Solar Blares: Listening to the Sun May Improve Space Weather Forecasts 2011-08-19T10:45:06.423Z These include pictures tracking the tangle of magnetic fields that drive solar activity and the roiling motion of gases that reveal the pattern of acoustic waves reverberating beneath the solar surface. NASA Spacecraft Captures Novel Views of Sun's Violence 2010-04-22T15:00:00Z Since the ocean lacks acoustic waves, their inhabitants have never needed to form the organs that transform them into sound. Mare Nostrum (Our Sea) A Novel |
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