分析规程的精密度通常以一系列测量数值的标准差或相对标准差(变异系数)来表示。
The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.
结果表明,在此条件下测定的数据具有良好的精密度,相对标准偏差为1.52%,回收率在98%以上。
The results show that the data determined by this method have good precision, relative standard deviation is 1.52% and recovery is over 98%.
方法的精密度优于区域采样法,相对标准偏差小于3%。
The precision of this method is better than the zone sampling method. The relative standard deviation (RSD) is less than 3 %.
通过对标准样品的多次测定,测定值均在其保证值范围内,相对标准差为0 7%,准确度高,精密度好。
Test result in many times indicated that the detection value was all in the control limit. The relative standard deviation was 0 . 7% with high accuracy .
结果精密度试验中各共有峰与灯盏乙素相对保留时间的RSD均小于1%,各规定峰面积比值的色谱峰相对峰面积的RSD均小于3%。
RESULTS The RSDs of relative retention time were less than 1% and the RSDs of relative peak area which are inspected were less than 3% in the precision examination .
考察分析方法的精密度和准确度,元素的测定结果与认定值一致,相对标准偏差小于2%。
The accuracy and precision of this method were studied. The results are consistent with the certified values and have relative standard deviation of less than 2%.
该方法适用范围广,测定结果准确,精密度高,相对误差小,在取样量范围里,测定结果不受取样量多寡的影响。
This method possessed wide applicability, accurate and exact result and less relative error. Besides, the determined result can not be affected in the weighable range of sampling.
一般来说,在仪器开始运行时,进行进样精密度实验,计算其相对标准偏差。
测定方法简便,具有很好的准确度与精密度,平均相对标准偏差为2 72 % ,平均回收率为10 3 87%。
The method is convenient and the results show good precision and accuracy, the relative standard deviation was 2 72% and the recovery rate was 103 87%.
分段统计精密度引起的相对不确定度,剥离出准确度引起的相对不确定度。
The section relative uncertainty caused by precision was analyzed and relative uncertainty caused by accuracy based on the error transfer formula was isolated.
精密度考察硝苯地平日内、日间相对偏差均小于5%。
The RSD of intra- day and inter- day assays were less than 5 %.
结果测定总甘油相对不精密度小于2 % ,游离甘油小于4% ;
Results The total glycerol procedure showed coefficients of variation ( CVs) of less than 2% and free glycerol of less than 4%.
因为每一个订单都会要求高质量定制,高精密度和较快的回转时间,因此公司面临的海外竞争相对较小。
Because each order requires high customization, high precision and exceptionally fast turnaround times, we face little competition from offshore sources.
方法简单,快速,精密度好,回收率为98.8% ,相对标准偏差为1.79%。
至2000年的141年间,地面和空间实验、天体和宇宙观测检验相对论性引力理论的精密度均改进了三个数量级。
During the 141 years to 2000, the precision of laboratory and space experiments, and astrophysical and cosmological observations on relativistic gravity have improved by 3 orders of magnitude.
至2000年的141年间,地面和空间实验、天体和宇宙观测检验相对论性引力理论的精密度均改进了三个数量级。
During the 141 years to 2000, the precision of laboratory and space experiments, and astrophysical and cosmological observations on relativistic gravity have improved by 3 orders of magnitude.
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