砷、硒含量测量的扩展不确定度均为5.28%。
The expanded uncertainly of measurement for Se, as were both of 5.28%.
电化学电极气体氧分析器计量标准的扩展不确定度小于5%。
The uncertainty of measurement for the standard of measurement of electrochemical electrode gas oxygen analyzer is less than 5%.
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%.
不使用方和根公式，采用计算机模拟统计方法，求得扩展不确定度。
The extended uncertainty is obtained by using the statistical simulation, instead of the formula of combination of square root.
方法：分析水中氯化物不确定度的来源，通过计算得出该法测定水中氯化物的扩展不确定度。
Methods: the source of Measurement uncertainty of the chloride determination in water was analyzed and assessment on uncertainty of chloride determination in water was calculated.
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。
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.
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％。
The source of the certification uncertainty of multi-component calibration gases in nitrogen was analyzed. The uncertainty is less than 3%.
通过对样品测定过程中影响测量不确定度的各要素进行分量评定，求出了测定结果的扩展不确定度。
Through component evaluating on the element factors which has affected the uncertainty in the process of sample measurement, the extended uncertainty of measurement result was evaluated in this paper.
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。
Based on the experiment results of ultrasonic testing, uncertainty, combined uncertainty and expanded uncertainty were calculated, the expression of uncertainty was also presented.
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%。
The detector TCD was taken as example, the relative expanded uncertainty of verification of chromatography was 5%.
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。
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.
根据测量原理建立数学模型，分析各种不确定分量的来源，评定标准不确定度，确定合成不确定度和扩展不确定度。
The mathematic model is established based on deterring theory. And all kinds of uncertainty sources are analyzed to assess standard uncertainty and combining uncertainty and expand uncertainty.
本文根据正态分布的规律，提出了对频谱分析仪参考电平测量结果扩展不确定度的一种估计方法，对其他计量测试项目的不确定度分析有一定参考价值。
According to the normal law, we put forward an estimate method of the measuring result uncertainty for Spectrum Analyser. It is useful for uncertainty analysis of other calibrations.
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.
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 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%.
对T型电阻网络反馈扩展微弱电流测量原理和测量参数估计方法进行了分析，阐述了该仪器的测量不确定度。
The principle of feedback extension in t resistance network and the estimation method of measuring parameter are analyzed. The indeterminate of the instrument is discussed.
该扩展不确定是相对不确定度吗？
该扩展不确定是相对不确定度吗？
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