请输入您要查询的字词:
单词
钐-钕年代测定
释义
钐-钕年代测定
Encyclopedia
理学
核分析技术
释
samarium-neodymium dating
钐-钕年代测定
根据样品中147Sm经α衰变形成稳定的143Nd的放射性衰变规律,以非放射成因的稳定同位素144Nd作为参考核素,测量封闭体系中147Sm/144Nd和143Nd/144Nd的含量比值,来计算样品年龄的一种放射性同位素年代测定方法。
随便看
tomato yellow leaf curl virus
tombac
Tombali
Tomb and Home of Gu Yanwu
Tomb and Memorial Hall of Yuan Chonghuan
Tomb and Memorial Temple of Zhang Zhongjing
Tomb Art
tombarthite
Tomba script
Tomb at Lizhouao
Tomb at Weigang
Tomb at Zhijiagou of Han Dynasty
Tombaugh Regio
tomb brick carvings of Zaju opera of Jin Dynasty in Ma Village, Jishan County
Tomb Brick Reliefs of Seven Sages of the Bamboo Grove and Rong Qiqi
Tomb Chamber Mural Paintings in Dingjiazha
Tomb Chambers Mural Paintings in Liaoyang
Tomb Garden of Zuge Wuhou
Tomb Mural Paintings of Sui and Tang Dynasties
Tomb No.10 at Baihuatan Middle School
Tomb No.172 at Yangzishan
Tomb No.269 at Qijiazhuang
Tomb No.306 at Shaoxing
Tomb of Askia
Tomb of Cao Xiu
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/7/14 5:49:02