The application field of nominal value measurement of gas reference materials and the importance of measurement results were introduced.Through the measurement of the nominal value of the gas reference material sample and the evaluation of the results of the nominal value,the uncertainty evaluation methods of two measurement methods of nominal value of gas reference materials were emphatically described.The traceability path of nominal value of gas reference materials was clarified.The content of essay effectively improved the standardization of uncertainty evaluation in the use and measurement process of gas reference materials.
关键词
气体标准物质/标称值/不确定度评定
Key words
gas reference material/nominal value/evaluation of uncertainty
维普
万方数据