“argon-argon dating”的概念、定义、翻译、参考文献-科学参考

单词	argon-argon dating
释义	argon-argon dating 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	elliptic modular group elliptic modulus elliptic motion elliptic net elliptic net of circles elliptic net of lines elliptic net of spheres elliptic nome elliptic operator elliptic orbit elliptic parabola elliptic-parabolic elliptic-parabolic equation elliptic-parabolic motion elliptic paraboloid elliptic paraboloid of revolution elliptic partial differential equation elliptic pencil elliptic pencil of circles elliptic pencil of lines elliptic pencil of rays elliptic pencil of spheres elliptic plane elliptic point elliptic polarization

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。