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r-process中文翻譯

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用"r-process"造句"r-process"怎麼讀
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  • r-過程
例句與用法
  • Our yields increase with the mass of the progenitor main - sequence stars . massive stars ( i . e . 18m < m < 50m ) is the primary sites of the neclearsynthesis of the r - process and can explain the galaxy chemical evolution . 3 . we present formula to calculat the r - process galactic chemical evolution of ba peak elements . this formula contains metallicity abundance and point out the relation of the ba peak elements and disscuss the effect of various mass supersnova . besides , our formula can be confirmed by a lot of observations
    由此可以解釋以下觀測事實: ( l ) mg , eu均產生于snh星,但質量范圍不同,在高質量( > 20 ) eu的產量高, mg的產量(相對于太陽) ,導致暈星中eu / mg > 0 ,而產生mg的質量范圍較大,致使在厚盤的晚期較小質量超新星也開始對mg有貢獻,而這些星對eu的貢獻很小,致使在厚盤星中eu / mg < 0 ,在厚盤中eu / fe隨金屬豐度的升高而降低,仁mg / fe隨金屬豐度的升高而不變
  • The dissertatation consists of two sections . the first one mainly intrduce the chemical evolution model and observational constrain , and the second mainly intrduce the ncleosyhthesis of r - process and the chemical evolution of ba peak elements the formation and evolution of the galaxy has long been a basic and important branch and one of the most active frontiers in the fields of astrophysics
    本文分二部分,第一部分重點介紹星系的化學演化模型和觀測約束,第二部分重點介紹r - process核合成和ba峰元素r - process的星系化學演化。
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