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单词
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。
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total reflection prism
total reflection X-ray fluorescence
total reflection X-ray fluorescence analysis
total reflection Xray fluorescence analysis
total reflection X-ray fluorescence analysis (TRXF)
total reflection X-ray fluorescence spectrometer
total reflection X-ray fluorescence (TRXF)
total regression
total regression coefficient
total relation
total relaxation
total response
total reward
total ring of fractions
total rotation
total run-off
total run-out measurement
total savings
total scattering
total scattering cross section
Total Score of Revolutionary Modern Peking Opera
total semi-additivity
total sequence
total set
total size under construction
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