ISO 13909-7-2001 硬煤和焦炭 机械采样 第7部分:样品精密度测定方法
ISO 13909-7-2001 标准详情
- 标准号：ISO 13909-7-2001
- 中文标题：硬煤和焦炭 机械采样 第7部分:样品精密度测定方法
- 英文标题：Hard coal and coke. Mechanical sampling. Part 7:Methods for determining the precision of sampling,sample preparation and testing first edition;cancels and replaces iso 9411-1:1994 and iso 9411-2:1993
- 标准类别：国际标准化组织标准ISO
- 发布日期：2001-12-20
内容简介
In this part of ISO 13909, equations are developed which link the variables which contribute to overall sampling precision. Methods are described for estimating overall precision and for deriving values for primary increment variance which can be use
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