“钐-钕定年”的概念、定义、翻译、参考文献-科学参考

单词	钐-钕定年
释义	钐-钕定年 Encyclopedia 理学钐-钕定年释 Sm-Nd dating钐-钕定年在Sm-Nd同位素封闭系统中，利用147Sm放出一个α粒子与能量衰变成143Nd，由衰变定律根据母体147Sm的减少量、放射成因143Nd*增加的量计算系统Sm-Nd年龄的方法。
随便看	large time lag process control Large Tomb at Hwangnam-dong large tonnage beam carrying vehicle large transport industry large type book large variation large vein large vestibular aqueduct syndrome large vocabulary speech recognition large volume injections large volume press large volumn injection large-volumn injection Large White large Witt graph large yellow croaker large yellow croaker iridovirus Large Zenith Telescope lariat lariat RNA larigot Larisa Semyonovna Latynina Larissa Larissa A.Grunig Larissa Lai

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。