“uranium series dating”的概念、定义、翻译、参考文献-科学参考

单词	uranium series dating
释义	uranium series dating Encyclopedia 工学〔地学中核技术〕释 uranium series dating铀系年代测定应用自然界放射性核素（铀钍系、不平衡铀系）衰变规律来确定各种地质对象年龄的一种同位素地质年代学方法，即通过测定样品中铀系衰变子体与母体的比值计算样品年龄，诸如采用传统α能谱与热电离质谱铀系技术(TIMS)进行U-Hh测年。
随便看	contraction of operators contraction of tensor contraction of the flexor tendons in young animals contraction operator contraction phase contraction principle contraction relation contraction semigroup contraction theorem contractive contractive coefficient contractive factor contractive linear operator contractive mapping contractive-mapping principle contractive operator contractive operator-valued function contractive semi-group contractive semigroup contractivity contract law Contract Law of the People's Republic of China contract learning contract management of water conservancy project contract management system

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