| 煤的真相对密度测定结果不确定度的评定 |
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| 引用本文： | 顾秋香,杨东峰,许维武. 煤的真相对密度测定结果不确定度的评定[J]. 广州化工, 2012, 40(22): 116-117 |
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| 作者姓名： | 顾秋香 杨东峰 许维武 |
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| 作者单位： | 1. 陕西煤田地质化验测试有限公司,陕西西安,710054
2. 陕西延长石油（集团）有限责任公司研究院,陕西西安,710075 |
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| 摘 要： | 依据JJF1059-1999《测量不确定度评定与表示》[1],分析了煤的真相对密度测定结果不确定度的来源,对每个不确定度分量进行了评定,计算出合成标准不确定度,最终确定扩展不确定度后报出测定结果。
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| 关 键 词： | 煤的真相对密度 不确定度 合成标准不确定度 扩展不确定度 |
Evaluation on Uncertainty of Determination Result of True Relative Density of Coal |
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| GU Qiu-xiang,YANG Dong-feng,XU Wei-wu. Evaluation on Uncertainty of Determination Result of True Relative Density of Coal[J]. GuangZhou Chemical Industry and Technology, 2012, 40(22): 116-117 |
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| Authors: | GU Qiu-xiang YANG Dong-feng XU Wei-wu |
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| Affiliation: | 1 Shanxi Coalfield Geology Laboratory Testing Co.,Ltd.,Shaanxi Xi’an 710054; 2 Research Institute,Shaanxi Yanchang Petroleum(group) Co.,Ltd.,Shaanxi Xi’an,710075,China) |
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| Abstract: | Based on the standard JJF1059-1999 Evaluation and Expression of uncertainty in Measurement,the source of determination result of true relative density of coal was analyzed,each uncertainty component was evaluated,the uncertainty of combined standard was calculated,so as to determine expand uncertainty and providing the determination result. |
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| Keywords: | true relative density of coal uncertainty combined standard uncertainty expand uncertainty |
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