大气污染物扩散
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FGD系统取消GGH对大气污染物扩散的影响研究
Study on the Effect of Atmospheric Pollutants Dispersion for Uninstalling GGH from FGD System
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在熏烟条件下,FGD系统取消GGH装置对大气污染物扩散有较大影响。
Under the conditions of fumigation , FGD system canceling the GGH device brings about important effect on atmospheric pollutant dispersion .
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结合风洞试验和计算流体力学(CFD)技术,调查了街道走向对城市街道交叉路口及其附近区域的流场以及大气污染物扩散的影响。
A wind tunnel and CFD investigation is carried out to study the effects of orientation of upwind street on the flow and dispersion at / or near urban street intersections .
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依据大气污染物扩散高斯模型,利用EXCEL的强大计算和作图功能,对大气污染物扩散进行了研究。
Based on the theory of atmosphere dispersion Gaussion Model , the paper makes a study of the atmosphere dispersion by using calculation and diagram .
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介绍了烟气换热器(GGH)在湿法烟气脱硫工程中的应用情况,从大气污染物扩散的角度,分析探讨了设置或取消GGH情况下烟气污染物对大气环境的影响。
Application of GGH in wet flue gas desulfurization projects is described . The influence of pollutants from flue gas on the ambient air with and without GGH is analyzed from atmospheric dispersion point of view .
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不同观测频次的风资料对大气污染物扩散的影响分析
Wind Data of Different Observation Frequency Impact on Atmospheric Pollutant Dispersion
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利用三维流场预测大气污染物扩散的方法研究
A Method Forecasting Dispersion of Air Pollution by Using 3D Wind Field
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公路和城市街渠机动车大气污染物扩散模式发展综述
Review of Vehicular Pollution Dispersion Models of Roadway and Urban Street Canyons
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影响大气污染物扩散的因素及影响趋势分析
Factors for atmospheric pollutants diffusion and its effect tendency
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大气污染物扩散稀释的计算机模拟研究
The Research of Computer Modeling on Atmospheric Contamination Diffusing
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城市大气污染物扩散模拟系统开发
Development of Urban Air Pollutant Transport Modelling System
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城市环境下的大气污染物扩散由复杂建筑物结构周围的风场所控制。
Urban environment of the atmospheric pollutants spread by complex structure around the wind place control .
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工程上应用的大气污染物扩散模式中,熏烟模式由于其非定常性而与其他扩散模式有很大的区别。
The atmospheric pollutant dispersion models applied to engineering greatly differs from other dispersion models due to their unsteady flows .
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多水平方法在二维山丘地形大气污染物扩散的数值模式的应用
The application of numerical model of diffusion of atmosphere pollution in two dimensional mountain district with the multi level method
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本文分析了影响大气污染物扩散的各种因素,讨论了主要因素对大气污染物扩散的影响趋势。
The various affecting atmospheric pollutants diffusion is analyzed and the effect tendency of primary factor to atmospheric pollutants diffusion is discussed .
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以广东东莞某采石场为例,对采石场环境影响大气污染物扩散模式、扩散参数及源强的确定进行分析研究。
One stone quarry in Guangdong Province was taken as an example in this article to study the environmental impact of the quarry .
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在环境负荷经济损失分析中,通过大气污染物扩散方程推导污染物排放强度与排放量。利用大气污染物的单项社会费用价值对污染气体进行经济损失进行分析,并提出削减对策及建议。
In Environment Loss , based on the detected and estimated data we use the atmospheric diffusion equation to calculate the economic loss by the traffic pollutant .
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通过对抚顺市气象和地形因素的分析,揭示了三者之间的内在联系,为大气污染物扩散模型的应用提供依据。
The inner relations by analyzing the city 's meteorological and landform condition was found , it can offer the basis for the application of air dispersion models .
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这里利用成熟的室外大气污染物扩散理论-梯度输送理论和箱模式理论,提出焊接烟尘在室内的扩散模式和浓度分布的理论计算方法。
In this paper , the diffusion model and the theoretic calculation method of welding dust are given by gradient transportation theory and box model for outdoor atmospheric pollutants .
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以襄樊市襄阳城南岘山两处采石场为例,采用模拟实验、实测法对采石场大气污染物扩散模式、扩散参数及源强的确定进行分析研究。
Taking the quarry in Xiangfan as an example , the atmosphere contamination diffuse model , the diffuse parameter and determination of the intense atmosphere contamination sources of it were analyzed by simulation experiment and measurement on the spot .
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本论文的研究立足于对建设项目建立大气污染物扩散模式并对其对大气环境的影响进行评价,研究成果将有利于建设项目的污染治理工作。
The research of this paper is established in setting up the diffusing model of atmospheric pollutant , and assessing the impact of the atmospheric environment . The results of the research may contribute to the treatment of pollutant in the construction projects .
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本文研究了影响大气污染物扩散的因素,污染物扩散的原理和污染扩散模型,并由此来完成污染扩散的模拟。
The research is focused on the factors having effects on dispersion of the pollutant , as well as the theory of air pollution transport and models used to estimate the concentrations of the pollutant , by which the simulation is dealt with .
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研究证明使用GIS空间分析技术可以很好的揭示出西北高原典型盆地地貌型城市大气污染物空间扩散与分布的特征。
The study proved that spatial analyzing technology can be nice to display dispersed and distributed characteristic of pollutants in the city located in plateau of typical basin landform .
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山区城市大气污染物传输扩散的数值模拟
Numerical simulation of air pollutant transport and diffusion in Guiyang City
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这些都不利于大气污染物的扩散与输送。
All these go against the diffusion and transport of the air pollutants .
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近地层输送条件即地面流场与大气污染物稀释扩散密切相关。
The surface layer transport condition such as airflow is closely related to the dilution and diffusion of atmospheric pollutants .
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对京津区域1980&1992年间能源利用状况进行分析,并通过模式计算该区域大气污染物的扩散规律。
The dispersion of air pollutants has been studied by analyzing and simulating the situation of energy consumption from 1980 to 1992 in Beijing-Tianjin-Bohai region .
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结果表明,上海出现雾天时,不利于大气污染物的扩散,造成雾天大气污染较严重,污染物浓度高值出现的时间与雾的形成至消散基本同步,比起雾前高2~10倍。
The result showed that air pollution diffused badly in fog days in Shanghai and caused serious air pollution . The time of high concentration of air pollution was synchronization with fog formation and disappearance , the pollution concentration was 2 - 10 fold higher than before fog appearance .
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本文通过耦合CFD(计算流体力学)模式和中尺度天气模式,模拟了甘肃省榆中县城区的大气流动和污染物扩散。
The airflow and dispersion of a pollutant in a complex urban area of Yuzhong , Gansu , China , were numerically examined by coupling a Computational Fluid Dynamics ( CFD ) model with a mesoscale weather model .
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运用风向频率加权(WDFW)方法,结合大气流动和污染物扩散的CFD模型进行数值模拟计算。
CFD numerical simulation coupling with the wind direction frequency weighted ( WDFW ) method was carried out based on the conditions that were measured .