Is the expanded uncertainty a relative one?
该扩展不确定是相对不确定度吗？
The relative standard expanded uncertainty of measured results by using said method was 4.4%.
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 detector TCD was taken as example, the relative expanded uncertainty of verification of chromatography was 5%.
以TCD检测器为例进行分析，对气相色谱仪检定结果的不确定度进行评定，相对扩展不确定度为5%。
But if we are not sure about whether the effective freedom degree is more than 10, it is doubtful that selecting expanded uncertainty as twice as combined standard uncertainty.
但如果不知道有效自由度是否大于10，而直接取扩展不确定度等于两倍的合成标准不确定度是存在疑虑的。
Based on the experiment results of ultrasonic testing, uncertainty, combined uncertainty and expanded uncertainty were calculated, the expression of uncertainty was also presented.
结合材料超声检测的实验结果，计算了不确定度、合成不确定度、扩展不确定度并给出不确定度表示。
By taking the volume measurement of vertical metallic tanks as an example, the evaluation of standard uncertainty and the calculation of expanded uncertainty are described in detail.
本文结合立式金属罐的容量测量实例，详述了标准不确定度的计算及扩展不确定度的获得过程。
The various uncertainty items are calculated to compose the total measurement uncertainty and to get the expanded uncertainty. The uncertainty of DCICAR under one solar constant is 0.11%.
论文分别估算出产生DCICAR测量不确定度的各项分量的大小，得到DCICAR的合成标准不确定度及扩展不确定度，DCICAR在一个太阳常数下的测量不确定度为0.11%。
The mathematical model was established. By analyzing and quantifying the components of uncertainty, the expanded uncertainty of 2.7% with 96.6% of the content of benzylpenicillin sodium was derived.
建立测量不确定度的数学模型，通过对整个测定过程中所产生的各不确定度分量的分析和计算，求得当青霉素钠的含量为96.6%时，扩展不确定度为2.7%。
The mathematical model was established. By analyzing and quantifying the components of uncertainty, the expanded uncertainty of 2.7% with 96.6% of the content of benzylpenicillin sodium was derived.
建立测量不确定度的数学模型，通过对整个测定过程中所产生的各不确定度分量的分析和计算，求得当青霉素钠的含量为96.6%时，扩展不确定度为2.7%。
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