Methods Valid chlorine content measurement method and statistical methods such as standard deviation, and square and root etc in "Technical standard For Disinfection" (2002 version) was adopted.
方法采用《消毒技术规范》(2002年版)有效氯含量测定方法以及标准偏差、方和根等统计学方法。
The method to count standard deviation of indirect measurement value by using rear-average method was proposed.
对用后均法进行测量数据误差分析加以探讨,提出可以用该法计算间接观测值的标准偏差。
The abnormal area delineated by using this method is smaller than that delineated by the standard deviation and isoline methods, characterizing the true anomalous boundary.
利用文中方法圈定出的异常面积比采用标准方差与等值线圈定异常方法小,表征了真正的异常边界。
A method for evaluation of uncertainty was established with standard deviation of relative error.
建立了一种以相对误差的标准偏差统计不确定度的评估方法。
The results of simulated and real data procession show that the proposed method favorably compares to other ones as to the parameter estimation error and its standard deviation.
仿真和实际数据处理的结果表明,该方法在参数估计误差和标准差方面明显优于其它算法。
The precision of this method is better than the zone sampling method. The relative standard deviation (RSD) is less than 3 %.
方法的精密度优于区域采样法,相对标准偏差小于3%。
Relative standard deviation of this method is below 3 %.
方法的相对标准差低于3%。
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%.
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 quantitative determination of 70% bismuth in silicon-bismuth samples were completed by line width method. The relative error is less than 7.15%, the relative standard deviation is 5.85%.
用谱线宽度方法定量检测了硅铋样品中含量为70%的铋,相对误差小于7.15%,相对标准偏差为5.85%。
Relative standard deviation (RSD) of the EDTA titrimetric method is 2.82%, and the analytical results are basically consistent with those obtained according to the DHF83B methodology.
EDTA滴定法分析结果的相对标准偏差rsd为2.82%,与DHF83 - B多元素快速分析仪法比较,其结果基本一致。
The results show that the data determined by this method have good precision, relative standard deviation is 1.52% and recovery is over 98%.
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 method covers the whole process from setting scheduling buffer to determining deviation standard, monitoring and controlling according to the buffer and deviation standard.
该方法涵盖从进度缓冲设置到偏差标准的设定,再根据偏差标准和缓冲对项目进行监控的全过程。
Considering the flaw of history simulation method, the paper adopts kernel estimation method to estimate parameters and their standard deviation, and then gives case analysis.
考虑到传统的历史模拟方法存在的缺点,采用基于核估计的历史模拟方法获得估计值及其置信区间,并用实例进行了分析。
The relative standard deviation of the reproducibility for this method is 1.73%, which indicated that reproducibility is good.
此法的重现性试验的相对标准偏差为1。73%,表明重现性较好。
Using the standard deviation coefficient as analysis target, the author provides a new probability analysis method, in case the mathematical expectations are different.
提供了一个在数学期望值不相等条件下进行概率分析的新方法,该方法采用所谓标准差系数作为分析指标。
The present method for noise reduction with wavelet transform is based on the thresholding method and threshold selection will depend on the estimation of the noise standard deviation.
目前的小波去噪绝大多数都是基于阈值决策的方法,而阈值选择往往都是建立在对信号小波变换系数的方差估计上。
Methods: the source of measurement uncertainty of the colony determination in fishmeal was analyzed and the method of uniting standard deviation was applied to determine the uncertainty of the colony.
方法:分析样品中菌落总数不确定度的来源,采用合并样本标准差的方法来评定菌落总数的不确定度。
A new method which can efficiently and accurately calculate the mean and standard deviation of a dependent random variable is proposed.
对于从属随机变量统计特征的确定,本文介绍了一种精确高效的确定其均值和标准差的方法。
Compared with the conventional PID masterslave control method, the move mean difference is reduced by 18.2% and the move standard deviation is reduced by 61.5%, and the exposure effect can be ensured.
相对于传统PID主从同步控制方法,同步偏差的移动平均差减小18.2%,移动标准差减小61.5%,可以保证光刻机的曝光效果。
The accuracy of the method is discussed in theory, given the deviation of profile dimensions from their standard dimension and the existence of noise.
针对断面尺寸偏离图纸公称尺寸的情况和噪声的存在,给出了识别正确性的理论分析。
Accuracy of the CT method was calculated as the average difference between methods. Precision was measured as the standard deviation of the CT measurement.
以这两种方法间的平均差异来计算ct的准确性,以CT测量结果的标准差评估精确度。
The relative standard deviation (RSD) of this method is less than 5 % and this method has been used to determine trace amounts of n...
该方法用于聚氨酯中微量游离异氰酸酯基的测定,相对标准偏差小于5%,具有简便、快速、准确、可靠的特点。
A new method for unbiased estimating standard deviation of strength of concrete of inspected lot is proposed in this paper.
给出了一种混凝土验收批强度标准差的无偏估计方法。
The results indicated that the relative standard deviation is less than 4% and the recovery is in the range of 94. 5%-101. 8% by this method.
结果表明,用本法对实际茶叶样品测定时,相对标准偏差小于4 %,回收率为94.5%-101.8%。测定茶叶标准样品时结果与标准值相符。
A simple standard frequency tunable method which can be used to measure frequency switching time under the rated frequency deviation is presented.
描述了一种能在额定频差下测量频率转换时间的简便方法——标频调偏法。
The second part is bout the option - GARCH method modeling: compared with history method, option-GARCH method improved B-S price formula regarding to standard deviation supposition.
第二部分介绍模型历史回顾:采用比较分析方法介绍目前国际上流行的几种计量方法,重点分析介绍了基于期权定价方法的结构模型。
This method was simple, rapid and accurate. The relative standard deviation and recovery were 4.0% and 99.5% respectively for vinyl chloride, and 4.6% and (99.8%) respectively for acetylene.
该方法简便、快速、准确,测定的氯乙烯相对标准偏差、回收率分别为4.0%、99.5%,乙炔相对标准偏差、回收率分别为4.6%、99.8%。
There is no significant difference between the result of the method and that of micro-Kjeldahl′s method according tot test. The relative standard deviation is 3.1%.
经t检验证明,该方法的测定结果与微量凯氏定氮法无显著差异,测定结果的相对标准偏差为3.1%。
By using the sample mean range( R )instead of standard deviation of the sample( S )in"S " method, the"R " method is obtained in this paper.
在“S”法的基础上,利用样本平均极差R代替“S”法中的样本标准差S ,从而得到了“R”法,并且给出了相应的样本大小,及各种情况下的接收标准。
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%.
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%。
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