二维粒子分布均匀度测算方法研究  

Study on the measuring and calculating method for the 2-dimensional homogeneity of particles distribution

作　　者：申洪[1] 

机构地区：[1]第一军医大学病理学教研室,广州510515

出　　处：《数理医药学杂志》1993年第1期5-8,共4页Journal of Mathematical Medicine

基　　金：国家自然科学基金青年资助课题

摘　　要：本文对定量表达平面上粒子分布均匀程度的测算方法进行了研究,提出了形态定量中二维粒子分布均匀度的新概念,并导出相应计算公式中为二维粒子均匀度,SDd为平面上任意两个相邻粒子间间距(d)的标准差,X为d的均值,CV为d的变异系数,此外还相应提出了误差大小计算公式和控制方法,对二维粒子分布均匀度的意义及有关问题进行了讨论。Abstruct A measuring and calculating method for the quantitative expression of homogeneous degree of particales distribution on plane was studied. The concept of 2—dimonsuonal homogeneity of particles distribution (ε_2) which is a new concept in the morphometry was put forward and the formula has been deduced, i. e.: ε_2= 1- CV= 1- (SDd/ X) , In the the formula SDd means the standard deviation of distance between any two particles which are neighbour (d) on the plane of section, Xrepresents the mean of d and CV denotes the coefficient of variation. Formulas for errors estimate and control were given also. The significance and some problems about the method were discussed.

关 键 词：体视学 形态定量 均匀度 

分 类 号：R311[医药卫生—基础医学]