V2EX radiogenic isotope

Radiogenic Isotope

定义 Definition

放射成因同位素:由放射性衰变产生的同位素,通常是“母体”核素衰变后的“子体”产物。它常用于测年(如地质年代学)和示踪(如地球化学过程与物质来源)。在不同语境中也可能指“因放射性产生而富集/增多的同位素成分”。

例句 Examples

Carbon-14 is a radiogenic isotope used in dating.
碳-14是一种用于测年的放射成因同位素。

By comparing radiogenic isotope ratios, scientists can infer the age and origin of rocks.
通过比较放射成因同位素比值,科学家可以推断岩石的年龄与来源。

发音 Pronunciation (IPA)

/redidnk astop/

词源 Etymology

radiogenic 由 *radio-*(放射、辐射)+ -genic(“产生……的”,源自希腊语 -genēs,意为“出生/生成”)构成,表示“由放射过程产生的”。isotope 源自希腊语 isos(相同)+ topos(位置),指在元素周期表中“占据同一位置”的原子(即原子序数相同但质量数不同)。

相关词 Related Words

文学与著作 Literary Works

  • 《Principles of Isotope Geology》(Gunter Faure)系统讲解放射成因同位素体系与地质应用。
  • 《Isotopes: Principles and Applications》(Gunter Faure & Teresa M. Mensing)包含 radiogenic isotope 在测年与示踪中的典型用法。
  • 《Introduction to Geochemistry》(William M. White)在同位素地球化学章节中讨论放射成因同位素比值与地球过程。
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