Analysis of uncertainty in DJ2-theodolite level standard deviation of one circle measurement;
DJ2光学经纬仪一测回水平标准偏差测量结果不确定度的分析
The six methods on estimating population standard deviation and their precision;
标准偏差的六种估计及其精密度
The standard deviation of pressure signals is calculated to analyze the flow pattern in the riser of the reactor.
用多通道压差技术测定了气升式外环流反应器连续操作时不同操作条件下上升管不同轴、径向位置压差波动信号,并借助压差信号的标准偏差分析反应器上升管的流型特性。
The square of the standard deviation.
方差标准偏差数的平方
experimental standard deviation of the mean
平均值的实验标准偏差
is the population (known) standard deviation. If omitted, the sample standard deviation is used
总体标准偏差（已知）。如果忽略，使用样本标准偏差。
Standard deviation, RSD and confidential limit should be reported.
均应报告标准偏差、相对标准偏差和可信限。
Days± s. d., those without s. d. indicate that only one plant reached flowering stage.
* 数字为平均±准偏差；若无标准偏差，表示该温度下仅有一植株开花。
The relative standard deviation should be no greater than 2.0%.
其相对标准偏差也应不大于2.0%。
Small Target Detection Within Sea Clutter Based on Amplitude Standard Deviation
基于幅值标准偏差的海杂波背景下小目标检测
Returns the statistical standard deviation for the population for all values in the given expression
返回给定表达式所有值填充的统计标准偏差
Returns the statistical standard deviation of all values in the given expression
返回给定表达式中所有值的统计标准偏差
The standard deviation from the mean is the preferred quantity.
用平均值得出标准偏差是优先采用衡量的单位。
[Results]GAS method was quick and easy,With the recovery rate from 91.4% to 100.8%. Relative standard deviation(RSD) was 4.3%.
[结果]方法快速、简便,回收率91.4%-100.8%,相对标准偏差4.3%。
The results indi-cate that the recoveries were100%-105%and the relative standard deviations were less than2.0%.
本方法的回收率为100%~105%,相对标准偏差小于2.0%。
The results showed that the recovery and relative standard deviation(RSD) of 14C-BHC were 90.0% and 8.0% respectively for the concentrated sulfuric acid cleanup method,and 88.9% and 3.0% respectively for the AOAC official method,Statistical analysis indicated that there was no difference between the two methods.
后者的回收率88.9％、平均相对标准偏差为3.0％。
The average recoveries and RSD of acetaminophen, phenytion sodium,theophylline and coffeine acre 99. 94%, 0. 65%;
它们的平均回收率和相对标准偏差分别为：99．94％，0．65％；
The recoveries of the stanˉdard addition were in the range of98%～100%and the RSD was less than5.0%.
方法回收率为98%～100%,相对标准偏差小于5.0%。
Practice of Reducing Standard Deviation of Silicon Content in Hot Metal in Jinan Steel's No.3 1750 m~3 BF
济钢3~#1750m~3高炉降低生铁含硅标准偏差实践
Design of Statistical Software for Moisture Content with Visual Basic
利用Visual Basic设计烟丝含水率标准偏差统计软件
Returns the standard deviation of a numeric expression evaluated over a set (biased).
返回在某一集合上对数值表达式求得的标准偏差（偏置填充）。