• The results are in good agreement with those of chemical determination, and its relative Standard deviation is 6.9%.

    用本法测得的结果化学相符测定相对标准偏差6.9%。

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  • The relative standard deviation of the measurements could be controlled to be less than 1 % for major components and less than 10% for minor components in the solid samples.

    对于样品中的主要组分测定相对标准偏差控制1%以内微量组分控制10%以内。

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  • The relative standard deviation(RSD)is 4%.

    相对标准偏差4%。

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  • The recovery of sulfur was 95~102% and relative standard deviation 3~5%.

    平行测定结果相对标准偏差为3~5%,加标回收率95~102%。

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  • 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标准值相符。

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  • PAN with broad distribution was used to simulate the equation of GPC revised curve with computer and was determined repeatedly. The results showed relative standard deviation lower than 3.5%.

    计算机模拟出PANGPC校正曲线方程分布标准试样进行重复测定结果相对标准偏差小于3.5 %。

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  • The relative standard deviation of the reproducibility for this method is 1.73%, which indicated that reproducibility is good.

    此法重现性试验相对标准偏差1。73%,表明重现性

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  • The results show that better relative standard deviation (RSD%) of photometric intensity can be obtained when higher RF power and higher carrier gas pressure are used.

    实验结果表明较高等离子体功率雾化系统载压力得到好的谱线强度测量光度精度

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  • Relative standard deviation (RSD) of sample determination was 037%, and average recovery of sodium citrate was 998%.

    样品测定相对标准偏差RSD)为0 37%。 测得枸橼酸平均回收率为99 8%。

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  • The relative standard deviation was less than 10%, The corr

    本法相对标准偏差小于10%。

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  • The corresponding average recovery and relative standard deviation of the six components were as follows: 101.6, 1.46% for caffeine;

    六个成分平均百分回收率相对标准差分别咖啡因101.6,1.46%;

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  • There had no obvious difference between these two methods, the relative standard deviation was less than 10%, sample recovery rate was 86~119%.

    两种方法测定不同类型水中的铬结果明显差异相对偏差小于10%,回收率86~119%。

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  • It is simple and quick for GFAAS to determine trace Sb in pure Cu, the relative standard deviation( RSD) is 6.90 % , and the error is 5.56 % .

    石墨炉原子吸收法测定痕量相对标准偏差6.90%,相对误差5.56%,方法简单快捷

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  • The relative standard deviation for determination of samples was 10%-22% and the recovery rate was 70% -97%.

    实际样品测定精密度以相对标准偏差表示10~22%。回收率为70~97%。

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  • Its relative standard deviation is less than1.5%.

    方法的相对标准偏差小于1.5%。

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  • The relative standard deviation of the determined result is less than 5 %.

    结果相对标准偏差小于5%。

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  • 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.

    分析规程精密度通常一系列测量数值标准差相对标准差变异系数来表示

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  • An expression for the relative standard deviation of the axial velocity of droplets is derived, and the measuring apparatus for time-gaps between successive droplets is described.

    推导相对标准偏差表达式描述测量相继液滴时间间隔装置

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  • Analytical results of authentic samples are satisfactory. The relative standard deviation of this method is 0.2%.

    方法快速、准确、简便,实测样品获得满意结果相对标准偏差0 2 %。

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  • Experiment results shows the rate of recovery is 100% , the standard deviation is 2.04, the relative standard deviation is 2.04% .

    应用该法测定腐肥中的硼测定回收率100%,标准偏差2.04相对标准偏差2.04%。

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  • The sampling constants can be estimated by means of sampling relative standard deviation or some relevant chemical and physical informations.

    首先分析物料实验测定取样标准偏差进行一些有关化学测试物理测试,以确定取样常数

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  • 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 .

    通过标准样品的多次测定,测定保证范围内,相对标准差0 7%,准确度,精密度好。

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  • Repeated measurement of chlorhexidine content in 2 kinds of compound disinfectants showed that the relative standard deviation was 3.2%.

    复方消毒剂己定含量进行重复测定相对标准偏差3.2%。

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  • The results show that the data determined by this method have good precision, relative standard deviation is 1.52% and recovery is over 98%.

    结果表明条件测定数据具有良好精密度相对标准偏差1.52%,回收率98%以上。

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  • Effects of acidity, concn. of potassium iodide and dosage of reducing agent on determination are investigated. It is simple and rapid with relative standard deviation 1.08%.

    研究酸度碘化钾浓度还原剂用量测定影响测定相对标准偏差为1.08%,方法简单快速

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  • The recovery rate is 99% - 104% and the relative standard deviation is 3. 35% . The result is satisfactory.

    方法回收率在99%-104%之间,相对标准偏差3.35%,测定结果满足分析要求。

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  • 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%.

    t检验证明,该方法测定结果微量凯氏定氮显著差异测定结果的相对标准偏差3.1%。

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  • Relative standard deviation of this method is below 3 %.

    方法相对标准差低于3%。

    dict.cnki.net

  • 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.

    方法简便快速准确,测定氯乙烯相对标准偏差回收率分别4.0%、99.5%,乙炔相对标准偏差回收率分别4.6%、99.8%。

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  • 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.

    方法简便快速准确,测定氯乙烯相对标准偏差回收率分别4.0%、99.5%,乙炔相对标准偏差回收率分别4.6%、99.8%。

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