Groundwater quality model is composed of problems of groundwater flow and dynamic dispersion.
地下水水质模型是由水流问题和水动力弥散问题耦合而成。
BP network model of groundwater quality assessment based on the calculation of BP neural network is presented.
阐述了人工神经网络基本原理，介绍了BP网络的地下水水质评价模型。
To plot up and set up rational groundwater protection area is an important method for protection of groundwater quality.
科学地划分和建立水源地保护区是保护地下水水质的重要手段。
This paper tries to apply the MT3DMS model of VMOD into forecasting groundwater quality and to point out the limitations.
研究尝试采用VMOD中的MT3D MS模型对地下水质进行了模拟预测并指出了其应用中的局限性。
The results snow mat it is tiny and limited for the slags ground to influence the groundwater quality in scale and degree.
预测结果表明，新灰场对周围浅层地下水水质影响的范围和程度是有限的。
The groundwater quality in rainy period of 2005 and in drought period of 2006 was evaluated using synthetic evaluation method.
本文采用应用最广泛的综合评价方法，对研究区2005年丰水期和2006年枯水期地下水水质进行现状评价。
The obtained results may baffle the implementation of the EU Water Framework Directive in groundwater quality management field.
因此，所得结果可能有碍于“欧洲水管理框架指南”在地下水水质管理中的执行。
The results indicate that the application of integrated BP network to the evaluation of municipal groundwater quality is successful.
实例表明，将此网络模型应用于城市地下水水质评价是有效的、可行的。
The system is used to research the groundwater quality in the west plain of Jilin province, the distribution, trend, level and orig…
并以吉林省西部平原地区地下水水质为例，研究了该区地下水水质恶化地区的分布、趋势、恶化预警等级及其成因。
The paper collected mass groundwater data in Jiansanjiang area, adopted grey relation method to evaluate groundwater quality in this area.
文章收集了建三江垦区地下水监测数据，采用灰色关联分析法评价其地下水水质。
Matt Currell is a PhD student at Monash University, Australia. He conducts scientific research into groundwater quality and sustainability.
马特·库瑞，澳大利亚莫纳什大学的博士研究生，目前正进行地下水质与可持续性的科学研究。
Taking Heilongdong spring area as an example, the application of attribute recognition theory for groundwater quality assessment is studied.
以黑龙洞泉域为例，研究了属性识别理论在地下水质评价中的应用。
Secondly, groundwater quality set pair analysis and evaluation model was built and applied to the groundwater quality evaluation in Taiyuan.
其次，构建了太原市地下水水质集对分析评价模型，并将该模型运用于太原市地下水水质评价。
Obviously, groundwater resources system is a grey system, so it is feasible for us to utilize grey system theory to predict groundwater quality.
地下水资源系统即是一个信息不完全明确的系统，因此，采用灰色系统理论对地下水水质进行预测是完全可行的。
More and more people have been aware of groundwater quality change under the long-term utilization of chemical fertilizer in the recharge process.
地下水在补给过程中受到长期施用化肥影响而引起水质的变化已越来越受到人们的重视。
The application of the improved Nemerow index method to the evaluation of the groundwater quality in Panshi City shows more objective and logical results.
将改进的尼梅罗指数法应用于磐石市地下水环境质量评价，结果表明改进的方法更客观、合理。
Double weight factors fuzzy comprehensive evaluation model in shallow groundwater quality is credible and the results of evaluation and test are concurrent.
评价结果与实际检测结果相符，证实双权重模糊综合法评价浅层地下水有机污染水质是合理的，评价结论是可靠的。
This method is simple, convenient and reliable to appraise groundwater quality, and has many advantages such as high accuracy of prediction and objectivity, etc.
应用此方法评价地下水水质简便可靠，预测精度高，具有通用性和客观性等优点。
The change in the parameters or indicators of karst groundwater quality also reflects the modification of land use types and intensity in the three study regions.
土地利用类型和土地利用强度的差异也能从三个研究区水质主要化学指标的不同得到体现。
If groundwater quality parameters and the hydro-geological parameters could be obtained, the economic loss of groundwater pollution could be calculated accurately.
只要能准确求取地下水水质参数、水文地质参数，利用此法能准确地计算地下水污染造成的经济损失。
The groundwater quality early warning system is established based on the GIS method, which combine the GIS technology with groundwater quality early-warning model.
以GIS技术为核心，将水质预警模型与GIS技术相结合，建立了地下水水质预警信息系统。
Stratigraphic distribution and groundwater quality are two key problems which need to be solved in the geophysical prospecting for groundwater in Ordos Cretaceous Basin.
从鄂尔多斯白垩系盆地地下水地球物理勘查特点出发，分析了该地区地球物理勘查所要解决的两大问题：①查明白垩系盆地地层分布特征；
This paper studies the influence on dynamic state of soil water salt, groundwater table, groundwater quality, crop growing and yield generated by saline water irrigation.
研究了咸水灌溉对土壤水盐动态、地下水位、地下水质、作物生长及产量的影响。
The thoughts and steps for the two methods for the combining assessment groundwater quality and quantity-make-up method and production method are elaborated respectively.
分别阐述了“补给法”地下水水质水量结合评价方法和“开采法”地下水水质水量结合评价方法的思路和操作步骤。
Based on the monitoring data of groundwater quality in Dezhou City, the paper discusses water quality characteristic and analyzes the water quality evolution of deep groundwater.
根据德州市地下水水质监测数据，本文论述了深层地下水的水质特征，分析研究了深层地下水的水质演化。
The groundwater quality parameters determined both at the well head and in the laboratory of Qijia water supply base, Daqing city, differ from what happens in the real situation.
大庆市齐家水源地井口现场和实验室测定的地下水水质参数与其真实情况存在差异。
The groundwater quality early warning theory can be used to research the status and tendency of groundwater quality, which include status early-warning and trending early-warning.
地下水水质预警是对地下水水质现状及变化趋势适时给出相应级别警戒信息的方法 ，包括状态预警和趋势预警两部分。
The method not only can overcome static-space evaluation of groundwater quality depending on monitoring value in certain year, but also sum up standard excess rate, pollution ind…
该方法既克服了依靠某年监测值对地下水质的静态空间评价，又可将超标率、污染指数和超标面积综合起来，完成地下水水质的动态评价。
The method not only can overcome static-space evaluation of groundwater quality depending on monitoring value in certain year, but also sum up standard excess rate, pollution ind…
该方法既克服了依靠某年监测值对地下水质的静态空间评价，又可将超标率、污染指数和超标面积综合起来，完成地下水水质的动态评价。
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