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spallation

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17:00 Nov 10, 2008
English to Chinese translations [PRO]
Tech/Engineering - Nuclear Eng/Sci
Additional field(s): Physics
English term or phrase: spallation
Definition from European Nuclear Society:
Nuclear conversion during which an energy-rich bombardment particle knocks out numerous individual particles (protons, neutrons) from the target nucleus. Observed initially as an effect of cosmic radiation.

Example sentence(s):
  • There are many distinct methods of producing sufficiently strong neutron beams for science. Because of their flux (see below), that is higher by several orders of magnitude, nuclear reactors and spallation sources are nowadays preferred to radioisotope, photon or accelerator sources. AUSTRON
  • Finally, the pulsed proton beam will be directed onto a liquid mercury target, where 60-Hz pulses of neutrons will be created through spallation reactions of the protons with the mercury nuclei. Spallation Neutron Source
  • With the world's highest flux reactor-based neutron source (the High Flux Isotope Reactor) and the world's most intense pulsed accelerator-based neutron source (the Spallation Neutron Source), ORNL provides neutron scattering capabilities unavailable anywhere else in the world. Oak Ridge National Laboratory
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This question was created by:
Enrique
Enrique
Argentina


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Summary of translations provided
4(原子核的)散裂
Gertrude Tsau


  

Translations offered


8 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
(原子核的)散裂


Definition from 百度:
散裂中子源的出現突破了反應堆中子源中子通量的極限。當快速粒子如高能質子轟擊重原子核時,一些中子被「剝離」,或被轟擊出來,在核反應中被稱為散裂。

Example sentence(s):
  • 雖然星球上的反應能不太高,但其他如宇宙線則可以產生極高的碰撞能。實驗室證實在這情況下,會產生一種重要的反應稱做「散裂」。 - 科學月刊原子核及化學性質  
  • 來自外太空的宇宙線稱為一次宇宙射線,可分為銀河宇宙射線和太陽宇宙射線。這些一次宇宙射線與大氣層中的空氣分子發生散裂反應,產生中子、質子、π介子、牟介子、電子、光子等稱為二次宇宙射線。 - 物理雙月刊  
  • 科學家設計出散裂中子源,用來自大型加速器的高能質子轟擊重金屬靶,重金屬原子核在高能質子的轟擊下發生散裂,釋放出中子,這些中子形成束流,被引向中子譜儀。科學家利用中子譜儀研究一系列新穎材料最本質的結構細節和運動軌跡。 - 新浪網  
Gertrude Tsau
United States
Local time: 12:54
Native speaker of: Chinese
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