lead isotopes meaning in Chinese

铅同位素

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1. a lead isotope ratio data base of ancient chinese bronzes
   夏商周青铜器铅同位素示踪研究数据库的构建
2. molding experiment on indicating meaning of lead isotopes in bronze
   青铜器铅同位素指示意义的范铸实验研究
3. the lead isotope compsition of ore suggested that the lead should mainly be derived from old sequence at depth
   佛子冲矿田矿石铅同位素组成稳定，主要来自基底地层沉积物。
4. in 2002, wen et al . reported the contents of lead isotopes in 76 vietnamese timbals and 18 relative objects, but only single point measurement was made
   摘要2002年韦冬萍等在对76面越南出土铜鼓及18件相关物件样品进行铅同位素测定时，用电子探针的方法进行了成份分析，但只作了单点测试。
5. from the study of lead isotope, we know that the lava of erlangping is ocean lava-spilite keratophyre, it is the main origin of lead in time evolvement sequence and genesis
   铅同位素研究表明本区二郎坪群的火山岩为洋壳火山岩?细碧角斑岩，在时间演化序列上和成因上它们作为pb的主要源岩。