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单词 sonoluminescence
释义

Definition of sonoluminescence in English:

sonoluminescence

noun ˌsəʊnə(ʊ)luːmɪˈnɛs(ə)nsˌsänōˌlo͞oməˈnesəns
mass nounPhysics
  • Luminescence excited in a substance by the passage of sound waves through it.

    〔物理〕声致发光,声致冷光

    Example sentencesExamples
    • I guess the other reason is that science finds the unexplained to be a challenge - and there's still plenty of mystery surrounding the exact chemistry or physics that cause that bright pin-point of light that sonoluminescence produces.
    • For 70 years, physicists have puzzled over sonoluminescence, a process where sound waves create thousands of hot, luminous bubbles in water.
    • A bubble's collapse can be extremely violent, as revealed in light emission, called sonoluminescence.
    • During typical sonoluminescence experiments, spectral emission temperatures range up to tens of thousands of kelvins, and the rapidly imploding bubble walls can generate internal shock waves under certain conditions.
    • But the work of this small start-up is still limited to computer modeling and trying to detect fusion neutrons from sonoluminescence.

Derivatives

  • sonoluminescent

  • adjective
    Physics
    • The final signature of bubble fusion is the coincidence between the sonoluminescent light flashes from collapsing bubbles and the neutron emission.
      Example sentencesExamples
      • In a controversial report last March, researchers offered evidence that such a so-called sonoluminescent bubble's implosion attains temperatures and pressures high enough to make atomic nuclei fuse together.
      • Using this theory, temperatures inside the sonoluminescent bubble can be expected to reach 10 Kelvin.
      • My fascination with sonoluminescent bubbles continues, in a way, in my high-speed photographic studies of drops and splashes.
      • A similar data detection and analysis as described above would generate an image of the medium in terms of its sonoluminescent characteristics.

Definition of sonoluminescence in US English:

sonoluminescence

nounˌsänōˌlo͞oməˈnesəns
Physics
  • Luminescence excited in a substance by the passage of sound waves through it.

    〔物理〕声致发光,声致冷光

    Example sentencesExamples
    • A bubble's collapse can be extremely violent, as revealed in light emission, called sonoluminescence.
    • I guess the other reason is that science finds the unexplained to be a challenge - and there's still plenty of mystery surrounding the exact chemistry or physics that cause that bright pin-point of light that sonoluminescence produces.
    • During typical sonoluminescence experiments, spectral emission temperatures range up to tens of thousands of kelvins, and the rapidly imploding bubble walls can generate internal shock waves under certain conditions.
    • But the work of this small start-up is still limited to computer modeling and trying to detect fusion neutrons from sonoluminescence.
    • For 70 years, physicists have puzzled over sonoluminescence, a process where sound waves create thousands of hot, luminous bubbles in water.
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更新时间:2024/11/11 6:11:48