查询词典 coefficient of variation

The experiment accuracy test showed that the coefficient of variation of the positive mixed serum was 5.04%, and the CV of negative mixed serum was 1.10%.

实验精确度检测阳性混合血清的变异系数为5.40%，阴性混合血清变异系数为1.10%。

The optimum conditions for extraction was proved practicable by condition filtration and orthogonal design with supersonic wave method .The results showed that the optimum conditions for extraction to ultrasonic method is : methanol (φ=40,20ml),and 15℃ for 30 min ,this paper has determined nicotine contents that is 23.50mg/g at absorption peak (λ=262nm) by HPLC with an eluent consisting of methanol –potass Phosphate alleciate (pH=3) with the recovery and coefficient of variation are 101.52% and 0.91%.

通过超声波提取方法进行条件筛选和正交化实验，确定了烟草中尼古丁的最佳提取条件，结果表明，超声波最佳条件是：甲醇浓度40%，固液比1：20，提取时间30 分钟，超声温度15℃，用高效液相色谱方法在波长262nm 处测定尼古丁的含量，流动相组成为甲醇：磷酸二氢钾缓冲溶液=10：90，测得烟草中尼古丁的含量为23.50 mg/g，平均回收率为101.52%，相对偏差为0.91%。

Results showed that the coefficient of variation of mixing uniformity of 65% Lysine Sulphate in 1, 2.5 and 4% premix was 1.70, 3.99 and 0.07% respectively.

试验证明，65%赖氨酸在1、2.5和4%预混料中的混合均匀度变异系数分别是1.70、3.99和0.07%。

In this paper,The Sampling inspection plan of the standard form for the coefficient of variation of Gumbel distribution is given.

给出了 Gumbel分布变异系数的计量标准型抽样检验方案。

The precision offlow time of suspension was up to 10~(-3) second, and coefficient of variation was lowerthan 0.3%.

粘度测量中流动时间测定的精度达到10~(-3)秒，相对标准偏差小于0.3%。

objective To establish the methods of calculating and analyzing the multi-coefficient of variation significance test for the toxicology study.

摘 要：目的建立多个变异系数显著性检验的计算与分析方法。

Author considers how to define the spatial distribution of point sets by using the coefficient of variation of the area of Voronoi polygon and makes its application.

探讨了根据Voronoi多边形面积的变异系数来分析点状目标的空间分布形式的方法并进行了应用研究。

RESULTS: The best linearity of test was between 0.5-10 ng/mL. The intra-assay coefficient of variation was 8.17% and inter-assay CV, 9.72%.

结果：该方法最佳线性范围：ASP浓度0.5～10ng/mL，平均批内和批间变异系数分别为8.17%和9.72%。

Results The coefficient of variation for the whole analytical method in the range of 31.83-2 037 mg/m^3 was

结果当空气中邻-氯甲苯的浓度范围在31.83～2037 mg/m^3（参照美国标准259 mg/m^3）时，方法的变异系数为1.2%～4.9%；回归方程式Y=3 399＋135.0X，相关系数r=

Methods Using LMS(λ median coefficient of variation) method fitting height centile curve for children and adolescence aged 0～18 years.

采用LMS 法对西安市0～18 岁儿童青少年身高百分位数进行拟合。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。