Certain key aspects of abatement planning are best addressed through the use of an ambient air quality model.
消除污染的计划相当关键的方面最好通过应用环境模式来提出。
At the same time, since it needs only routine meteorological data to work out all of the boundary layer parameters, it is specially fitted for the regulatory application of air quality model.
同时，由于仅需常规气象资料就能求取所有的边界层参数，因此特别适合于空气质量模式的法规应用。
Elements which influence the urban traffic air, we design a index system and construct the grey decision model to assess the Quality of the air.
分析城市交通环境空气影响因素，设计一套评价指标体系，并建立了环境大气质量评价的灰色决策模型。
On the basis of the merits of fuzzy judgment and neural network judgment, a new model for air quality assessment is proposed.
基于模糊数学评价法和神经网络评价法的优点，提出了一种新的大气质量评价模型。
Thus the regression diagnosis prediction model for city air quality forecasting is proposed.
针对这些问题提出了城市空气质量的回归诊断预报模型。
The impact of greenbelt at the downwind periphery of an urban area on urban atmospheric environment and air quality was simulated by using the Peking University Urban Atmospheric Boundary Layer Model.
采用北京大学城市大气边界层模式模拟了城区下风向绿化带对城市温度场、风场及空气质量的影响。
This paper is concerned with an assessment model of air environmental quality by using fuzzy neural network with multi criteria learning algorithm.
研究了基于多准则学习的模糊神经网络评价环境大气质量的模型。
The results showed that the ANN model could obtain a directly - quantitative results in the comprehensive assessment of city regional ambient air quality.
结果证明，ANN模型用于区域环境空气质量评价，其评价结果比较直观。
Finally, a comparative study is carried out on the advantages and disadvantages of statistical prediction model of air quality and the numerical forecast model.
比较研究了空气质量统计预报模型和数值预报模式的优缺点。
The paper improves forecast veracity and guides work of littoral medium and small cities' air quality forecast model.
对沿海地区中小城市今后开展空气质量预报工作具有一定的指导意义。
There exists asymmetry characteristic of residual distribution in the regression model of city air quality forecast. It is caused by some high leverage cases.
城市空气质量回归预报模型的残差分布存在着不对称现象，它是由高杠杆点引起。
The good relativity between real measurements and calculated results by using this model in air quality evaluation of some cities is showed in the paper also.
同时给出不同城市大气质量评价中应用的结果与实测结果有相当好的相关性。
Also we can forecast the air spares demand by the order model, and use the air supply ratio land the capital ratio to evaluate the service quality of air supply system.
本文的特点在于利用数学方法来预测航材的需求，运用航材保障率和资金周转率来评价航材保障系统的服务质量。
The results of case study show that the model is available for air quality predicting in shore line. Key Words Sea and land breeze; Vertical shear of wind…
实例应用表明，该模式对海陆风上下层风向存在切变时的空气质量模拟是有效的。
Finally, a summary for the research work is given, and the applicable fields and shortcomings for Grey Non-intrinsic model for Indoor air quality are presented.
最后，通过对研究工作的总结，提出了室内空气品质灰色非本征方程的有效应用范围和其不足之处。
An air quality simulation model-column model for describing photochemical smog pollution at Xigu district in Lanzhou has been developed.
以兰州西固地区为研究对象，建立了描述该地区光化学烟雾污染的大气质量模拟模式——柱子模式。
Therefore, the model should be an important tool to implement air environment quality management in the city.
它不失为重庆城区实施大气环境质量管理的重要工具。
The authors developed an air pollution dispersion system(APDS)with elevated Gauss dispersion model to simulate the impact of industrial point source pollution on region air quality.
开发了一个基于高斯扩散的大气污染扩散空间信息系统，用于模拟工业点源 污染对区域大气质量的影响。
The development of FLEXPART model and its applicability to air quality studies in Beijing have been discussed in this paper.
本文从模式介绍入手，对其在北京地区的适用性进行了初步研究。
In this thesis, we built a Simple Air Quality Numerical Model System(SAQMS) for forecasting SO2 concentration.
建立了一个用于模拟SO2浓度分布的简单空气质量数值模式预报系统（SAQMS）。
The utility model can not only prevent the dust and noxious gas in the air from entering the water box but also purify the water quality with an excellent effect.
本实用新型既可以防止空气中的灰尘、有害气体等进入水箱，又能很好地净化水质。
Intelligent evaluation model for air quality based on C4.5 decision tree algorithm is established through the historical data of air pollutants and air quality classes in this article.
本文采用C4.5决策树算法构建空气质量评价系统，挖掘空气污染物和空气等级关系的历史数据，建立空气污染物-空气等级智能评价模型。
Intelligent evaluation model for air quality based on C4.5 decision tree algorithm is established through the historical data of air pollutants and air quality classes in this article.
本文采用C4.5决策树算法构建空气质量评价系统，挖掘空气污染物和空气等级关系的历史数据，建立空气污染物-空气等级智能评价模型。
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