干基灰分小于30%的工业型煤制样方法对比研究Constructively Study on sampling methods of industial briqutte whose ash content of dry basis is less than 30%
方全国
Fang Quan-guo(Test Center
摘要(Abstract)：
介绍干基灰分小于30%的工业型煤分别按GB475-1996的规定制样、在GB475-1996的规定基础上留样量减半制样,以制备一般分析试样的方法对比研究。
This paper constructively studies on the two sampling methods of industy briqutte,whose daf is less than 30%,One is according to the criterion of GB475-1996,the other is based on this criterion and uses half of the sample to sampling.
关键词(KeyWords)：
型煤;制样;研究
briqutte;sampling;study.
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作者(Author):
方全国
Fang Quan-guo(Test Center
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