The source of the certification uncertainty of multi-component calibration gases in nitrogen was analyzed. The uncertainty is less than 3%.
分析了重量法制备氮中多元标准混合气体定值不确定度的来源，其定值的扩展不确定度小于3％。
Partial least squares (PLS) is a popular multivariate calibration method applied widely to the multi- component spectral calibration.
偏最小二乘是在光谱多元校正中广泛使用的一种算法。
The calibration performance of the balance has also been presented. The result shows that the development of the multi-component balance is successful.
根据天平静校和标准收敛喷管的动校检验，该天平性能达到了设计要求，说明天平的研制是成功的。
The calibration performance of the balance has also been presented. The result shows that the development of the multi-component balance is successful.
根据天平静校和标准收敛喷管的动校检验，该天平性能达到了设计要求，说明天平的研制是成功的。
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