“Sm-Nd dating”的概念、定义、翻译、参考文献-科学参考

单词	Sm-Nd dating
释义	Sm-Nd dating 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	special maximum resolution emulsion special-media map special medicine for military forces Special message of ChiangKai-shek to Chinese press special metric special mining method special mission special mission aircraft Special mission of Dong Biwu to the UN General Assembly special mortar special municipal organic law special net theory special offering Special Olympics Special Olympic World Games special operation special operator special optical fiber special orbital integral special ordering special ordinance special orthogonal group special orthogonal matrix special orthogonal polynomial special orthogonal transformation

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。