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Determination Uncertainty of Total Nitrogon in Tabacco of Virginian-type Cigarette by Continuous Flow Method
Pages: 61-65
Year: Issue:  4
Journal: Journal of Gansu Sciences

Keyword:  连续流动法烤烟型卷烟总氮不确定度;
Abstract: 为评定连续流动法烤烟型卷烟烟丝中总氮的测量不确定度,分析了测量过程,修订了连续流动法烤烟型卷烟总氮的测定因果关系图,建立了测量不确定度评定的数学模型.通过对测量不确定度评定,得出连续流动法烤烟型卷烟烟丝中总氮测量结果的标准不确定度为0.07%,在95%的置信度下,取包含因子为k=2,其扩展不确定度为0.08%.
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