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commercial sampling of coal
Procedures intended to produce an accuracy such that if a large number of samples are taken from a single lot of coal, 95 out of 100 test results will be within + or - 10% of the average of these samples.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
- 100% positive feedback
(Milwaukee, United States)