“基准标准物质”的概念、定义、翻译、参考文献-科学参考

单词	基准标准物质
释义	基准标准物质 Encyclopedia 工学〔化学计量基本概念〕释 primary reference material基准标准物质在化学测量领域中用作原级（基准）测量标准的物质。是化学测量溯源体系的顶层物质基础，也是有证标准物质的最高等级。
随便看	elementary volume elementary wave elementary work element at infinity element bioavailability analysis for geochemical samples Element comparison method element composition of crude oil element concentration element concentration gradient Element counting method element damping matrix element-deficient nutrition solution element divisible on the left element divisible on the right element enrichment factor method element finite element equation element formation element group element hypergenic mobility elementide element innovation element locally zero element mass matrix element migration element mobility

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。