GBT15445.2-2006 粒度分析结果的表述第2部分由粒度分布计算平均粒径直径和各次矩.pdf

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1、ICS19.120A28石黔中华人民共和国国家标准GB/T15445.2-2006/ISO9276-2:2001粒度分析结果的表述第2部分:由粒度分布计算平均粒径/直径和各次矩Representationofresultsofparticlesizeanalysis-Part2:Calculationofaverageparticlesizes/diametersandmomentsfromparticlesizedistibutions[ISO9276-2:2001，IDT]2006-02-05发布2006-08-01实施中华人民共和国国家质

2、量监督检验检疫总局发布中国国家标准化管理委员会GB/T15445.2-2006/ISO9276-2:2001目次前言····································································································，············一班引言·····································，······························································

3、··············，··⋯N1范围·····················································································，·······················⋯⋯12规范性引用文件································································································⋯⋯13符号和缩写····························

4、···········，····························································⋯⋯I4矩的基本定义··································································································⋯⋯25平均粒径·······················································································

5、·············⋯⋯35.1算术平均粒径·..................................................................····························⋯⋯35.2加权平均粒径······························································································，·⋯⋯35.3从个数或体积频度分布q,(x)或q,(x)计算从.和平均粒径···········

6、···························⋯⋯35.4由给定的直方图所表述的个数或体积频度分布q.(x)或q,(x)计算从，·······················⋯⋯45.5体积比表面积的计算·························································，·····························⋯⋯55.6粒径分布的方差····，································································

7、························⋯⋯5附录A(资料性附录)从已知的体积频度分布直方图来计算各种不同的平均粒径，数值示例···⋯⋯6附录B(资料性附录)其他平均粒径·······，··························································⋯⋯”‘”‘8参考文献·············································································，·······························

8、··⋯⋯9GB/T15445.2-2006/ISO9276-2:2001Q1吕GB/T15445(粒度分析结果的表述》分为6个部分，名称预计如下:—第