针对油田开发污染源存在危险度,提出一种将灰关联度分析与故障树分析相结合的危险度评价模型。
This paper puts forward a model for the appraisal of hazard degree of pollution origins in oilfield development which combines fault tree analysis and gray connection degree analysis.
在现场监测、污染源解析的基础上,应用修正后的高斯扩散模型,计算出燃煤污染物暴露浓度。
Based on the field monitoring , investigation and parsing of pollutants sources, a mathematic model was used to calculate the exposure to pollutants from coal burning.
之后采用近地面尘降模型,计算了这类污染源在不同气象层结下的扩散状况,得出其污染浓度对大气环保浓度的分担率。
Then, the concentration under different wind diffusion condition are analysized by using ground pollution mode so that the ratio of contribution to the total pollution limit is obtained.
同时,利用GIS系统处理污染源的方法也在多维多箱模型中得到应用。
Meanwhile, the method of dealing with pollution sources by GIS is used in multi-dimensional multi-box model.
最后通过多元逐步回归模型计算出各污染源对南京市大气颗粒物中半挥发性有机物的贡献率。
Lastly the percentage contributions of various pollution sources to SVOCs on airborne particulates in Nanjing city were calculated using multiple regress models.
所建模型已成功地应用于武汉市汉阳地区城市面源污染控制技术研究,获得了满意的结果。
The model was applied to Hanyang District, Wuhan to study urban non-point source pollution control technology, and satisfactory results were achieved.
本文在实验模型的基础上,经简化建立了有三个污染源的置换通风三维稳定传热、流动的物理模型和数学模型。
Based on experimental models, the paper sets up three-dimensional steady heat transfer and flow physical model and mathematical model on a three polluting heat sources after simplification.
在模型中尝试性地将面源污染产生的浓度贡献转化到背景值中计算,简化了解析模型。
In the model the contribution from area pollution sources was calculated by transforming it to the background concentration, so the model was greatly simplified.
结论利用多源扩散数学模型是研究健康调查区域内大气污染物历史暴露浓度的一种可行方法。
Conclusion It is an effective method to use multi - source proliferation mathematical model for studying the pollutants exposure concentration in atmosphere of the health survey region in history.
方法用多源扩散数学模型计算健康调查区域内的大气污染物历史暴露浓度。
Methods The air pollutant exposure concentration in history were calculated with the multi - source proliferation mathematical model.
利用模型确定的最优控制变量序列得到各点源二氧化硫污染的治理量,并以此对区域内点源二氧化硫排放进行总量控制。
The regulation amount of every point source can be obtained according to the sequence of the optimal variables of the model.
以污染源排放数据为基础,应用adms -城市扩散模型模拟分析了鞍山市尘各污染源对空气环境质量的贡献。
On the basis of the air pollution emission data, the contribution of each dust pollution source to the air environment quality in Anshan is analysed with ADMSair diffusion models.
以污染源排放数据为基础,应用adms -城市扩散模型模拟分析了鞍山市尘各污染源对空气环境质量的贡献。
On the basis of the air pollution emission data, the contribution of each dust pollution source to the air environment quality in Anshan is analysed with ADMSair diffusion models.
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