The inaccuracy were from proficiency testing of CAP.
目的应用W estgard方法评价决策图工具,结合分析质量要求对B ayer855血气分析仪测定项目pH、PCO2、PO2的不精密度和不准确度作图,客观评价分析项目性能的可接受性。
Methods: Routine operating process specifications for imprecision, inaccuracy, and quality control could be derived from the analytical and clinical requirements for quality by use of an analytical "total error" model and a clinical "decision interval" model.
方法使用分析“总误差”模型和临床“决定性区间”模型,从分析和临床质量要求导出不精密度、不准确度和质量控制的常规操作过程规范。
Basic procedures for evaluation of uncertainty,type A and B evaluation of standard uncertainty,evaluation of combined standard uncertainty,and evaluation of expanded uncertainty are recounted.
本文叙述了测量不确定度评定的基本程序,A类和B类标准不确定度、合成标准不确定度和扩展不确定度评定的基本方法。
The standard uncertainty of different factors are calculated, .
为评定金属材料拉伸试验的结果测量不确定度 ,以轧制厚度为 18mm的Q2 3 5B板材矩形带头短比例试样为例 ,建立了不确定度计算的数学模型 ,确定了影响试验结果 (ReL、Rm)的下屈服力FSL、最大力Fm、试样原始厚度a及试样原始宽度b等各项因素 ,计算出了各种因素的标准不确定度 ,得出拉伸试验结果 (ReL、Rm)的扩展不确定度 ,并给出最终测量结果的表达式 :下屈服强度ReL、抗拉强度Rm的最终测量结果分别为 (3 0 5± 5 )MPa和 (4 3 5± 10 )MPa。
Aiming at solving the problem of standard uncertainty evaluation caused by the lack of data or definite probability distribution of a sample, a grey evaluation method of standard uncertainty is proposed whose parameter can be calculated via numerical simulations and GM(0,2).
针对测量结果标准不确定度因测量数据少、数据样本分布不明确而难以评定的问题 ,提出一种基于灰色系统理论的非统计评定方法 ,其参数由灰色模型GM (0 ,2 )和数值仿真确定 。
The uncertainty in the electron's position is denoted by △x.
用△x来表示电子位置的不准确度。
This thermometer is inaccurate.
这个温度计不准确。
It is due to numerical inaccuracy in the transient-temperature determination.
这是由于确定瞬时温度的数值不准确。
Appraisal of Calibration Uncertainty to Site Electric Energy Meter Calibration Instrument
电能表现场校准仪校准不确定度评定
The Calibration and Uncertainty Evaluation of the Accurate DC Standard Current Source
高准确度直流标准电流源的校准与不确定度评定
Evaluation of Uncertainty for the Calibration Results of ASTM D1500 Colorimeter
ASTM D1500色度计校准结果的不确定度评定
Applicaiton of Uncertainty in Evaluation of the Accuracy Class of Instruments
不确定度在仪器准确度级别评定中的应用
Discussions on the Accuracy and Uncertainty in Measuring Natural Gas Energy
刍议天然气能量计量的准确度与不确定度
a good [bad] timekeeper
准确的 [不准确的] 钟表
I don' t know the car' s exact speed, but it was certainly travelling.
我不知道那辆汽车的准确速度, 但确实非常快.
Fatigue-resistant for long time using, torque accuracy ± 3%.
长时间使用不疲劳、准确度±3%。
Evaluation of Type A and B of Standard Uncertainty;
测量标准不确定度的A类与B类评定
0.3 Dynamometer Standard Equipment Uncertainty Analysis
0.3级测力仪标准装置的不确定度评定
Uncertainty Evaluation for the Results from the Preparation of Cadmium Standard Solution
镉标准溶液配制结果的不确定度评定
The Evaluation of Standard Measurement Uncertainty with FSMR
FSMR衰减标准装置的不确定度评定
Calibration and Evaluation of Uncertainty in Measurement of Electric Parameter Instrument
电参数测量仪的校准和不确定度评定
Uncertainty Evaluation of the Biochemistry Analyzer Absorbency Accuracy
生化分析仪吸光度准确度示值误差的不确定度评定
The measurement uncertainty of the purity of the three CRMs is ±0 2%.
三种农药标准物质纯度定值的不确定度为±0?2％ 。