【摘要】 从水质系统中多种不确定性共存或交叉存在的角度,将未确知数学中盲数理论应用于水质综合评价。在将污染指标实测值表示为盲数的基础上,构建了水质评价综合指数盲数模型和等级识别盲数可靠性模型。根据上述模型,可以得到水质综合指数各种可能取值区间及其相应的可信度水平,进而识别出待评水域水质等级。实例研究表明,所建模型对水质综合评价具有很好的适用性。更多还原

【Abstract】 Based on the characteristic that several uncertainties,such as random,grey and unascertained may occur simultaneously in one system,the blind number theory in Unascertained Mathematics is applied to the assessment of water quality.By denoting the monitoring data of water quality for each index as blind numbers,a new water quality index model with blind number parameters and a blind reliability model for identifying the ranks of water quality are established.According to the two models,not only the possible interval values and their corresponding faith degrees for synthetic index number of water quality,but also the ranks of water quality of evaluated water can be identified.As a case,the blind number models established here are applied to the synthetic assessment of water quality in the reach of Bengbu City in the Huaihe River.Research findings show that it is feasible and reliable to employ the blind number theory for water quality assessment.更多还原