...此外，锆石化学性质稳定，较难与环境中的物质发生化学反应，所以自身晶格结构的完整得以保留，最终成为了脆弱的铀-铅（U-Pb）衰变体系成功的守护者，使之在时光的变迁中长时间留存下来，从而成为跨越百万纪年的“石时计”。
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锆石U-Pb年龄 zircon U-Pb age ; zircon U-Pb dating
u-pb同位素 u-pb isotope
锆石u-pb zircon u-pb
u-pb dating of zircon 锆石upb年龄
锆石u-pb定年 zircon u-pb dating
single-zircon u-pb dating 颗粒锆石upb测年
u pb isotope upb同位素
single zircon crystal u-pb age 单颗锆石upb同位素年龄
u-pb isotopes upb同位素
When dating zircon U-Pb ages by SHRIMP, choosing the target points of zircon is very important as they directly affects the reliability and accuracy of the results.
应用离子探针shrimp测定锆石铀-铅年龄时，锆石选点至关重要，它将直接影响实验结果的可靠性和准确性。
Presence of Rn, U and Pb in environment is a ubiquitous hazard to human health.
环境中的氡、铀和铅等有害微最元素严重危害人类健康。
The plate is enriched in U and Th revealed by Pb-isotopic study, which plays an role of essential prerequisite for the formation of U province.
铅同位素研究揭示，该板块富铀、钍，从而为铀矿省的形成提供了必不可少的地质前提。
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