“氩-氩年代测定”的概念、定义、翻译、参考文献-科学参考

单词	氩-氩年代测定
释义	氩-氩年代测定 Encyclopedia 理学核分析技术释 argon-argon dating氩-氩年代测定利用中子活化法使样品中的39K经过39K(n,p)39Ar反应转化为39Ar，然后用质谱计测定其40Ar/39Ar的比值，代替通常在钾-氩法中的40Ar/40K比值，计算岩石或矿物的地质年龄。
随便看	computer evaluation computer evidence data quick acquisition computer experimental human geography computer experiments computer file computer forensics computer fraud computer game computer generated hologram computer-generated hologram computer graphic and digital image computer graphics computer graphics interface standards computer hardware computer hardware circuit computer hardware design computer hardware reliability computer holography computer image technology of rude drugs computer implementation computer industry computer information output technology computer information processing computer information system computer input microfilm

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