GB 15445.4-2006-T 粒度分析结果的表述 第4部分：分级过程的表征

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1、ICS19.120A28荡黔中华人民共和国国家标准GB/T15445.4-2006/ISO9276-4:2001粒度分析结果的表述第4部分:分级过程的表征Representationofresultsofparticlesizeanalysis-Part4:Characterizationofaclassificationprocess(ISO9276-:2001,IDT)2006-02-05发布2006-08-01实施中华人民共和国国家质量监督检验检疫总局发布中国国家标准化管理委员会GB/T15445.4-2006/ISO9276-4:2001目次前言··········

2、······································································································⋯⋯m引言·..................................................................................................................·一11范围·····················，，·······，·························，·····

3、································。···············⋯⋯12符号············································································································⋯⋯12.1专用术语符号.....................................................................·········.........·.‘⋯，.，.12.2下标···············

4、······································，····································，·······，·，······⋯⋯23建立在无误差分布曲线和质量平衡基础之上的分级过程的表征···，·················，···············一23.1用频度分布曲线表征分级过程········，，···················，，，···‘······..······.....⋯⋯，，，，，，...⋯⋯23.2质量和个数的平衡································

5、····，········...··········................⋯⋯，.，.....⋯⋯33.3切割粒径二。的定义·.................................................······...··..⋯⋯，....⋯⋯，.......⋯⋯43.4分级效率T和分级效率曲线T(a),(Tromp曲线).........................................................53.5切割锐度的衡量···········································

6、·····，···········..···........⋯⋯，，.⋯，......⋯⋯54系统性误差对分级效率曲线测定的影响·······，，，·，。。。·····，，··。。。‘··········，，，，，，。。‘1，，·······1·，，二74.1概述·······，···························································，，·····································⋯⋯74.2由于分级器中的非正常分级过程所产生的系统性误差·，············，··，·····

7、··············，·······⋯⋯74.3原料的不完全分散，··········，，·····················，，··················一，······......⋯⋯，，，⋯，，.，二84.4原料在分级器中粉碎的影响·············································...·····.......··..........⋯⋯，.8附录A(资料性附录)随机性误差对评估分级效率曲线的影响·························