建立量化因果图的概念及方法,以CCQM P111 part b)为例进行分析和表述。研究发现,量化因果图可以在因果图定性分析基础上,进一步对主要影响因素的不确定度贡献分量表述,具有清晰、直观的特点。该方法可以应用在化学计量不确定度评定及类似领域。 Concept and method of Quantity-Reason-Result Figure were introduced with the example of CCQM P111 part b). It proved that the method can describe the amount of uncertainty for