相对标准不确定度

实验表明，该实验实时数据采集系统采集速率为10次/s，系统测量的相对标准不确定度小于0.5%。

Experimental results showed that the real-time data acquisition rate was as high as 10 times per second in the system . And the relative standard uncertainty of the measurement was less than 0 . 5 % .

钽粉试样分析结果的相对标准不确定度优于10%，碳标准加入到高纯钽粉中的回收率为91%～114%。

The analytical results are satisfactory . The uncertainty is less 10 % , and the recovery of carbon is in the range from 91 % to 114 % .

结果表明，重复性实验校正因子f是近海水质总汞测定中不确定度的主要来源；东海近海水质总汞测定中的相对合成标准不确定度约为0.16。

The results showed that the main effective factor of uncertainty of mercury measurement was the repetitive correction factor f , and the relative combined standard uncertainty mercury in offshore water in East China Sea was about 0.16 .

计算得水中氯化物含量测定结果的相对合成标准不确定度为3.49×10-3。

The related combined standard uncertainty is 3.49 × 10 - 3 .

计算得到该方法测量结果的相对标准扩展不确定度为4.4%。

The relative standard expanded uncertainty of measured results by using said method was 4.4 % .

在此基础上，计算了东海近海水质油类测定中的相对合成标准不确定度约为0.12。

According to it , the relative combined standard uncertainty of oil measurements is calculated , about 0.12 .

采用相对合成标准不确定度的评估方法，对用开尔文法测量铜合金导电率结果的不确定度进行了评估。

We adopt the method of the relative composite standard uncertainty for estimating the uncertainty of copper alloy electric-conductivity measured by Kelvin method .

通过对测量重复性、滴定管、移液管、标准溶液浓度等影响测量结果的不确定度分量的分析和量化，求得水中高锰酸盐指数测定结果的相对合成标准不确定度为1.10×10-2。

By analyzing and quantifying the uncertainty components of the measurement results , including repeatability of measurement results , burette , suction pipe , the concentration of standard solution , etc. , the related combined standard uncertainty is 1.10 × 10 - 2 .

相对比对法的校准范围为10-6～10-10Pa·m3/s，相对合成标准不确定度为小于25%。

The relative comparison method is 10 6 ~ 10 10 Pa · m 3 / s , and the comparative compound standard uncertainty is less than 25 % .