【英文标准名称】:StandardPracticeforCalculationofMeanSizes/DiametersandStandardDeviationsofParticleSizeDistributions
【原文标准名称】:平均尺寸/直径的计算和粒径分布的标准偏差的标准实施规程
【标准号】:ASTME2578-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E56.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:计算;偏差;直径;粒子分析;粒度;粒径分析;粒度分布;筛分;尺寸;尺寸分析;测试
【英文主题词】:distribution;equivalentsize;massdistribution;meanparticlesize;meanparticlediameter;moment;particlesize;sizedistribution;surfacedistribution;volumedistribution
【摘要】:1.1Thepurposeofthispracticeistopresentproceduresforcalculatingmeansizesandstandarddeviationsofsizedistributionsgivenashistogramdata(seePracticeE1617).Theparticlesizeisassumedtobethediameterofanequivalentsphere,e.g.,equivalent(area/surface/volume/perimeter)diameter.1.2Themeansizes/diametersaredefinedaccordingtotheMoment-Ratio(M-R)definitionsystem.1.3ThispracticeusesSI(SystemeInternational)unitsasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:19_120
【页数】:6P.;A4
【正文语种】: