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标准参考物质
释义
标准参考物质
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。
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continuous beam
continuous beating machine
continuous bed column
continuous beta ray spectrum
continuous boundary
continuous bulk polymerization
continuous cascade
continuous castex
continuous casting
continuous casting and rolling
continuous casting direct rolling
continuous casting machinery
continuous casting process control system
continuous cast-rolling of aluminum plate and strip
continuous cell
continuous channel
continuous character
continuous checking inventory control system
continuous circulation system-
continuous circulation valve—CCV
continuous cocycle
continuous cohomology
continuous column charging
continuous continuation
continuous contour
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