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Home > Wen Yuan (Primary School Edition) > 2020 No.02 > 煤炭采制样精密度检验有关问题的探讨

  • 煤炭采制样精密度检验有关问题的探讨

    Author(s)：

    秦泗成

    Publication Title：

    Wen Yuan (Primary School Edition) 2020 No.02

    Affiliations：

    中国神华能源股份有限公司哈尔乌素露天煤矿选煤厂

    Abstract：

    在采样制样标准的宣贯过程中，大多数学生最难理解和掌握的是采样制样精密度试验的原理，因为采样制样精密度试验是用数理统计方法对实际试验数据进行处理，从而确定精密度是否符合要求。但是采样和制样的相关标准没有详细说明，学生很难理解。抽样精度检验的原理是通过实验计算统计量，然后进行统计判断。而抽样精度检验中样本的总体方差是未知的，抽样精度检验就是检验抽样和检验的方差是否超过已知方差的目标值VOPT。

    Keywords：

    煤炭；采制样；精密度；方差；问题探讨

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    [1] 秦泗成.煤炭采制样精密度检验有关问题的探讨[J].Wen Yuan (Primary School Edition),2020(02),.

文渊(小学版)
Wen Yuan (Primary School Edition)

Language: 中文

CN：11-9274/G

ISSN：2096-6261

Publication Frequency: 月刊

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