“(uranium-thorium)/helium dating”的概念、定义、翻译、参考文献-科学参考

单词	(uranium-thorium)/helium dating
释义	(uranium-thorium)/helium dating Encyclopedia 工学〔地学中核技术〕释 (uranium-thorium)/helium dating(铀-钍)/氦年代测定矿物颗粒中铀、钍放射性衰变产生氦，通过测量矿物样品中放射性衰变产物氦-4（4He）、母体同位素铀-238（238U）和钍-232（232Th）的含量，从而获得矿物样品年龄的方法。
随便看	Operation Training Simulation for Complex Equipment Operation Turquoise operation type logistics building Operation Urgent Fury operation ventilation operation with matrices operation with series operation with sets operation with sticky cinder operative operative category operative mathematics operative temperature *-operator operator operator algebra operator algebra method operator algorithm operator analysis operator approximation theory operator automorphism operator bounded below operator calculus operator compact implicit scheme operator-convex

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