[1]卜全民,童 星.环境质量模糊评价中污染物“浓度-隶属度”关系研究[J].南京理工大学学报(自然科学版),2013,37(05):772.
 Bu Quanmin,Tong Xing.Relationship of concentration and membership degree of pollutant in fuzzy environment quality assessment[J].Journal of Nanjing University of Science and Technology,2013,37(05):772.
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环境质量模糊评价中污染物“浓度-隶属度”关系研究
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
37卷
期数:
2013年05期
页码:
772
栏目:
出版日期:
2013-10-31

文章信息/Info

Title:
Relationship of concentration and membership degree of pollutant in fuzzy environment quality assessment
作者:
卜全民12童 星12
南京大学1.政府管理学院2.社会风险与公共危机管理研究中心,江苏 南京 210023
Author(s):
Bu Quanmin12Tong Xing12
1.School of Government; 2.Center for Social Risk and Public Crisis Management, Nanjing University,Nanjing 210023,China
关键词:
污染物 浓度 危害程度 隶属度
Keywords:
pollutants concentration harm degree membership degree
分类号:
X820.2
文献标志码:
A
摘要:
将国家标准中污染最严重的等级对应的浓度状态作为极值,隶属度即为任一污染浓度隶属于污染最重或称明显危害状态的程度。为此提出隶属函数就是表达“浓度-危害程度”关系的表达式,把隶属度看成是某污染物在某一浓度时对明显危害程度的隶属程度。隶属函数的类型应由污染物对人类及周围环境造成危害的分析中求得。由于DLA模型适用于有恒污染源粒子的扩散—聚集,为此无恒定污染源的NN-DLA模型更适于描述人体内污染物的聚集过程,通过对一个不动点粒子——种子最近邻的相对距离的粒子,判断该粒子粘接频率间的统计规律,将相对距离同浓度联系,粘接频率与致病概率即隶属度联系。
Abstract:
When the corresponding concentration state for the most serious pollution in national standards is taken as the extreme value,the membership degree is namely the degree belonging to the most serious pollution or obvious harm at any pollution concentration.In this paper,the membership function expresses the relationship of the harm degree and the concentration.The type of the membership function is determined by analyzing the pollutant harm on human and surrounding environment.The DLA model is suitable for the diffusion-aggregation of particles with the constant pollution source.Therefore the NN-DLA model without constant source of pollution is more suitable for describing the accumulation process of body pollutants,and statistical laws of bonding frequency of the particle are determined based on a particle relatively closer to a fixed particle.The relative distance is connected to the concentration and the bonding frequency is connected to the membership degree.

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备注/Memo

备注/Memo:
收稿日期:2013-02-06 修回日期:2013-06-01
基金项目:江苏省科技支撑项目(BE2010738); 江苏省“333工程”项目; 江苏省“青蓝工程”项目; 江苏省高校优秀中青年教师境外研修计划
作者简介:卜全民(1976-),男,博士,副研究员,主要研究方向:风险分析、评价与管理,E-mail:qmbu@sina.com; 通讯作者:童星(1948-),男,教授,主要研究方向:灾害风险分析、评价与管理,E-mail:heaventx@nju.edu.cn。
更新日期/Last Update: 2013-10-31