“铀系年代测定”的概念、定义、翻译、参考文献-科学参考

单词	铀系年代测定
释义	铀系年代测定 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	orientation phase orientation polarization orientation-preserving orientation-preserving automorphism orientation-preserving isomorphism orientation-preserving mapping orientation quantization orientation reaction orientation-reversing orientation-reversing chain orientation-reversing loop orientation-reversing mapping orientation selectivity orientation sheaf orientation star orientation state structure of polymers orientation sub orientation telesthesia orientation variable oriented oriented area oriented atlas oriented attachment oriented basis oriented bordism

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。