“national primary standard for primary chemical purity”的概念、定义、翻译、参考文献-科学参考

单词	national primary standard for primary chemical purity
释义	national primary standard for primary chemical purity Encyclopedia 工学化学成分量计量释 national primary standard for primary chemical purity基准试剂纯度国家计量基准通过恒电流精密库仑滴定法测定容量分析用基准试剂纯度的国家计量基准。
随便看	substitution substitutional alloy substitutional atom substitutional defect substitutional disorder substitutional impurity substitutional interpretation of quantifiers substitutional solid solution substitution axiom substitution cipher substitution conduction substitution conductivity substitution elasticity of factor substitution equation substitution formula substitution group substitution lattice substitution map substitution mapping substitution matrix substitution method substitution model substitution of aesthetic education for religion substitution of the variable substitution operation

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。