网站首页  词典首页

请输入您要查询的词汇:

 

词汇 nucleosynthesis
释义

Definition of nucleosynthesis in English:

nucleosynthesis

noun ˌnjʊːklɪəʊˈsɪnθɪsɪsˌn(y)o͞oklēōˈsinTHəsəs
mass nounAstronomy
  • The cosmic formation of atoms more complex than the hydrogen atom.

    〔天文〕(宇宙的)核合成

    Example sentencesExamples
    • Physicists call this process nucleosynthesis, and it had to occur before the structures we observed today, such as atoms and molecules, could exist.
    • They more or less figured out the whole story, including predictions for primordial nucleosynthesis and the cosmic microwave background.
    • Evidence from both the cosmic microwave background and primordial nucleosynthesis gives tight bounds on how much ordinary matter there is.
    • Before nucleosynthesis begins, protons and neutrons are continually interconverting by means of weak nuclear interactions (the nuclear interactions are described in more detail a bit later on).
    • The one problem with the story of stellar nucleosynthesis as developed in the 1950s was that it could not explain where helium came from.

Derivatives

  • nucleosynthetic

  • adjective ˌnjʊːklɪəʊsɪnˈθɛtɪk
    Astronomy
    • They proposed eight main nucleosynthetic processes in star interiors, all starting from hydrogen.
      Example sentencesExamples
      • Slightly elevated relative abundances of the heavy metals osmium through bismuth are related to their nuclear stability and nucleosynthetic processes, as are other second-order features of the abundance curve.

Definition of nucleosynthesis in US English:

nucleosynthesis

nounˌn(y)o͞oklēōˈsinTHəsəs
Astronomy
  • The cosmic formation of atoms more complex than the hydrogen atom.

    〔天文〕(宇宙的)核合成

    Example sentencesExamples
    • Evidence from both the cosmic microwave background and primordial nucleosynthesis gives tight bounds on how much ordinary matter there is.
    • Physicists call this process nucleosynthesis, and it had to occur before the structures we observed today, such as atoms and molecules, could exist.
    • Before nucleosynthesis begins, protons and neutrons are continually interconverting by means of weak nuclear interactions (the nuclear interactions are described in more detail a bit later on).
    • They more or less figured out the whole story, including predictions for primordial nucleosynthesis and the cosmic microwave background.
    • The one problem with the story of stellar nucleosynthesis as developed in the 1950s was that it could not explain where helium came from.
随便看

 

春雷网英语在线翻译词典收录了464360条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。

 

Copyright © 2000-2024 Sndmkt.com All Rights Reserved 更新时间:2024/12/28 0:47:12