Results Actual use of the method for estimating sample size and the relationship between effect factors and sample size were illustrated by a example of case control family study of liver cancer.
结果用实例说明了病例对照家系设计中样本含量估计方法的应用与影响因素和样本含量的关系。
With increasing sample size, random variations of the effect are smaller.
随着样本量的增加，作用的随机变化减小。
The essay discusses the accuracy of area method of thermal quantitative analysis and the effect of sample particle size with different materials on thermal analysis.
前言： 研究了差热定量分析面积法的准确性和不同物料样品粒度对定性差热分析的影响。
The results are showed as follows: materials, pore size, the sample size on the compressive properties of aluminum foam have some effect.
得出以下结论：材质、孔径大小、试样尺寸对泡沫铝的压缩性能有一定的影响。
The simulated experimental results showed that significance t testing is highly related to population distribution effect size and sample capacities, yet rarely related to the numbers of rand…
抽样分布样本效果大小的平均值可以作为总体效果大小的估计值 ，它与样本容量和抽样样本数目有密切关系 ；
The simulated experimental results showed that significance t testing is highly related to population distribution effect size and sample capacities, yet rarely related to the numbers of rand…
抽样分布样本效果大小的平均值可以作为总体效果大小的估计值 ，它与样本容量和抽样样本数目有密切关系 ；
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