“(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	statistical tolerance region statistical translation model statistical treatment statistical treatment of analytical data statistical treatment of experimental data statistical turbulence modeling statistical universals statistical validation statistical weight statistical yearbook statistical zero knowledge statistic analysis of hydrologic characteristics statistic characteristics of information source statistic equilibrium state equation statistic-equilibrium state equation statistician Statistic Law statistic model of information source statistic of extreme values statistic of variation statistics statistics for academic exchange statistics for crop experiments statistics for investment in fixed assets of science and technology statistics for ocean science

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。