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standard reference material
释义
standard reference material
Encyclopedia
理学
【试剂和试样】
释
standard reference material
标准参考物质
经过权威机构认证的某些具有确定含量的组分,在实际样品定量测定中用作计算被测组分含量的直接或间接参照标准的一类物质。计量工作者通常将其称为参考物质;而标准化工作者则更习惯将其称为标准样品(简称标样)。是特性量值准确、均匀性和稳定性良好的计量标准,具有在时间上保持特性量值、在空间上传递量值的功能。通过使用标准物质,可以使实际测量结果获得量值溯源性。
随便看
current awareness bibliography
current balance
current bias
Current Bibliography on Science and Technology
current blocking layer
current-blocking layer
current carrier
current-carrying
current characteristic
current clamp
current collapse effect
current collector
current commonly-used Chinese character
current commutator
current comparator
current coordinate
current-crowding
current-current coupling
current default directory
current density
current density functional theory
current density functional theory, CDFT
current determinant
current directory
current divider
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