• 条件变异系数经常用于理解统计数据局部变异程度。

    Conditional Coefficient of Variation has been often used in understanding the local variability of statistical data.

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  • 通过正交试验分析获得较优的萃取条件元素作添加回收试验,得回收率96.24%,变异系数为0.64%;

    Betterextract condition is obtained with orthogonal test, and the zinc element is put to the ad-dition and recovery test. The method give recoveries of 96.24%, variation coefficient of0.64%.

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  • 相同条件下多次采集数据变异系数<4%,说明系统操作具有重复性;检测结果最大相对误差4.4%,满足微量组分检测的准确度要求。

    Using this system, the chroma values of ten samples can be obtained once and the variable coefficients are lower than 4% and the maximum of relative errors is 4.4%.

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  • 试验表明在相同纺丝条件下,涤纶三叶异丝的断裂初始量随丝条异形提高降低,而断裂强伸度变异系数、沸水收缩率和条干不匀率却随之增大。

    The test has shown that as the degree of profile increases, the initial modulus and the breaking strength and elongation of profile yarn decreases. We have also quined the findi...

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  • 试验表明在相同纺丝条件下,涤纶三叶异丝的断裂初始量随丝条异形提高降低,而断裂强伸度变异系数、沸水收缩率和条干不匀率却随之增大。

    The test has shown that as the degree of profile increases, the initial modulus and the breaking strength and elongation of profile yarn decreases. We have also quined the findi...

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