sample standard deviation的例句大全

Recoveries of the standard sample ranged from 99.5 ± 0.75% to 93.8 ± 1.3%, method precision was 0.0479, standard deviation was 1.2%, test scope ranged from 0.2 to 1.8 mg/ ml.

本文首次利用双缩脲法建立了快速测定奶粉中肽含量的方法，标样回收率99.5±0.75%～93.8±1.3%，精密度0.0479，标准偏差1.2%，适用范围0.2～1.8mg／ml。

The method has been applied to the determination of tellurium in lead tellurium residue sample with recoveries in the range of 98.0%~ 102.3% and relative standard deviation in the range of 0.4%~ 0.8%.

ml-1。本方法用于铅碲渣中碲的测定，回收率为98.0%~102.3%，相对标准偏差为0.4%~0.8%。

We process the data of normal group with independent sample t test, and operation group by paired t test. Results: All indexes were calculated the mean and standard deviation.

所得数据正常组采用独立样本t检验，手术组采用配对t检验。结果：所有指标均计算得出均值及标准差。

We selected 10 representative samples, and repeatedly determin 10 times in the provided method under the same conditions, its standard deviation is 0.04~ 0.20.And it selected 51 representative sample which from Sichuan and Chongqing quality legal and administrative law enforcement agency.

我们选定10个有代表性的样品，在方法规定的相同条件下，各重复测定10次，其标准差为0.04～0.20。

This paper deals with the computer algorithm of sample average value and standard deviation based on the method of relarive frequency distribution analysis, which has a present importance for the prediction of fish and prawn farming.

用频率分组分析的方法研究了样本均值和标准差值的电算化算法，对鱼、虾情的预报有一定现实意义。

Estimate the standard deviation based on a sample.

STDEVA估算基于一次抽样的标准偏差.

Uncertainty of Sample Mean and Standard Deviation.

取样平均值与标准差之不确定度.

Estimates standard deviation based on a sample ( ignores logical values and text in the sample )

估算基于给定样本的标准偏差 ( 忽略样本中的逻辑值及字符串 )

The average, the standard deviation and the coefficient of variation of the sample attributes of the NWD are the reflections of the basic quantitative characteristics of the nested habitats.

由近湿地类型区样点属性计算平均值、标准差和变异系数，获得了朱鹮营巢生境的数量特征；