coefficient of variation
[数] 变异系数;变动系数;变更系数
2025-10-08 08:29 浏览次数 9
[数] 变异系数;变动系数;变更系数
1. the ratio of the measure of variability, usually the standard deviation, to an average, usually the arithmetical mean, about which the variation occurs
coefficient of cyclic variation翻译
coefficient of variation CV变异系数
a coefficient of variation变异系数
Coefficient of variation method系数法
coefficient of deviation变异系数;偏差系数;漂移系数
grade coefficient of variation变化系数
coefficient of length variation纤维长度变异系数
interassay coefficient of variation批间变异系数
coefficient of permeability variation渗透率变异系数
coefficient E of variation变差系数
a method for the determination of cinnamaldehyde, the main component in cinnamon oil by gas chromatography in described. the recovery is 100.24%, with a coefficient of variation less than 0.78%.
本文报道应用气相色谱法,测定肉桂油中的主要成分桂皮醛含量,回收率为100.24%,变异系数小于0.78%。
in growing season, the coefficient of variation (cv) in spatial change were 36%, 47% and 35%, respectively.
在这三个生长季节中,土壤呼吸速率的空间变异性系数分别为36%、47%和35%。
along with sampling scale increasing, the coefficient of variation increased gradually.
随采样幅度尺度的增大,变异系数呈逐渐增大的趋势。
the rotatory method was used to determine the content of amikacin injection in the light of its right rotatory. the average recovery was 100.17%, and the coefficient of variation was 0.54%.
根据丁胺卡那霉素为有旋光性物质的原理,采用旋光法测定了丁胺卡那霉素注射液含量,结果平均回收率为100.17%,变异系数为0.54%。
the method of culture dish, which is used in common to finish the test of corn seeds quickly, causes the rate of germination low, makes the coefficient of variation large.
培养皿法是玉米种子发芽试验常采用快捷方便的方法,但此方法的发芽率比较低、变异系数较大,不能反映种子本来固有的发芽水平。
the process is of easy operation and accurate results with 0.52% coefficient of variation and 99.97% recovery.
该法操作简单,测定结果準确。 该法的变异系数为052%,回收率为9997%。
on a limited sampling, the single-operator coefficient of variation has been found to be 9.1 %.
根据有限取样,发现每个操作员试验结果的变化系数为9.1 %。
the coefficient of variation of left ventricular function indicators in breath-hold cine mri measured is less than that echocardiography measured.
屏气电影mri测量左室功能指标的变异系数均小于超声心动图测量左室功能指标的变异系数。
the positive coefficient of variation (cv) was 9.
稳定性试验阳性变异系数(cv)为9。
coefficient of variation of the precision experiments met requirements for analysis of trace amounts of multiple pesticides.
精密度试验的变异系数满足农药多残留痕量分析的要求。
the results show that standard deviation and coefficient of variation of indicated mean effective pressure are the best parameters.
结果表明,平均指示压力的标準差及变动率是评定内燃机压力循环变动的最佳参数;
coefficient of variation of multiple-node numbers was the highest (35.4%), while the cvs of tillers numbers and stolon length.
其中复合节数的变异系数最大,达35.4%,分蘗株数量和分蘗株累积长度的变异系数也都相对较大。
on the basis of statistical theory, the distribution probability of full graded concrete strength and the relation between the sample size and coefficient of variation are introduced.
运用统计学理论给出了全级配混凝土试件强度的概型分布,导出了试验样本容量与变异系数之间的关系式。
the recovery rate, calibration curve, coefficient of variation of the filter paper method are compared with the direct analytical method.
文中对滤纸洗脱法的回收率、标準曲线、变异系数等均与直接分析法进行了比较。
flat fan nozzles were found to provide the most uniform spray pattern under many pressure conditions with a coefficient of variation less than 15%.
实验研究发现,扇形喷嘴可以提供最为均匀的喷雾效率,其变化系数小于15%。
variability is ofthen measured by the coefficient of variation (cv).
而变化性又是用变差系数(cv)来衡量的。
additional analysis demonstrates the sensitivity of both variance and coefficient of variation of plume concentration to the various variances of hydraulic conductivity field.
另外还分析了污染羽在各点的浓度变化方差和变异系数分别随渗透系数变异方差的变化状况。
computation of coefficient of variation (cv) indicated some consistency in magnitude of trait plasticity for both density and sowing date treatments.
变异系数的计算指示,密度和播期处理的特征可塑性的量有某些一致性。
with the increase of test loads, the updated mean bond stress increases, but the updated coefficient of variation decreases.
随着最大试验荷载的增加,更新的粘结强度均值逐渐增大,但更新的变异系数逐渐减小。
conditional coefficient of variation has been often used in understanding the local variability of statistical data.
条件变异系数经常被用于理解统计数据的局部变异程度。
using random perturbation method to calculate the mean, variance and coefficient of variation of the displacement response variance of the trees under the wind load.
采用随机摄动法研究新疆杨随机参数的风振响应分析,求解出树木结构在风荷载激励下位移响应方差的均值、方差和变异系数。
the linear range, sensitivity, specificity, intra-assay precision, and accuracy of fbi method were satisfied, but coefficient of variation of inter-assay precision was over 20%.
fbi法的线性、线性范围、定量下限、準确度、特异性符合药代动力学研究,日间变异系数大于20%。