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。
This paper tries to apply the MT3DMS model of VMOD into forecasting groundwater quality and to point out the limitations.
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 results indicate that the application of integrated BP network to the evaluation of municipal groundwater quality is successful.
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。
BP network model of groundwater quality assessment based on the calculation of BP neural network is presented.
以灰色系统理论为基础，把灰色关联度分析方法和单因子污染指数法相结合，构造了一种适合于评价地下水质量的灰色模型。
Based on the grey system theory, a grey assessment model of groundwater quality is built by combining the method of grey relational grade analysis and the method of single factor contaminant index.
该研究可为华北平原农区地下水质管理提供分析工具与决策依据，是对非点源污染机理模型的有益补充。
The study provides a practical tool for analysis and management of groundwater nitrate pollution in North China Plain and serves as a supplement of processed-based non-point pollution.
对白杨水源地的地质和水文地质条件进行简要论述，在此基础上建立了二维潜水地下水水流和水质的数学模型。
Through the description of geological and hydrogeological conditions in the Baiyang water resource field, mathematical models of phreatic groundwater flow and groundwater quality are established.
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。
Groundwater quality model is composed of problems of groundwater flow and dynamic dispersion.
所建立的地下水垂向剖面的二维水量水质模型，对典型剖面中地下水的硝态氮污染进行了模拟和分析。
Two-dimension groundwater quantity and quality model in the vertical profile is made to carry out the simulation and analysis of nitrate-N pollution of the groundwater in the typical profile.
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。
The groundwater quality early warning system is established based on the GIS method, which combine the GIS technology with groundwater quality early-warning model.
讨论了地下水水质污染模糊综合评判中的三种数学模型。
Three kinds of mathematical models of fuzzy transformation is used in evaluation of subterranean water pollution.
结合地下水水量水质耦合模型，提出地下水系统环境容量的概念。
Associated with the coupling model of quantity and quality of groundwater the concept of environmental capacity of groundwater system is suggested.
应用模糊加权绝对海明距离的概念，采用双向评价标准表达地下水中某些离子的缺乏、过剩效应，建立地下水水质模糊加权绝对海明距离综合评价数学模型。
The concept of fuzziness, the absolute Haiming distance, and the two-way evaluation standard are adopted to express the surplus and lack of some ions in groundwater in this region.
一个合理的地下水水质模型必须充分考虑地下水环境系统和各种水文地球化学平衡对污染迁移的影响，这在数学处理上是个难点。
It's necessary to consider fully the influence of groundwater environment system and all kinds of hydrogeochemistry balance to the migrating of pollutant.
预测结果证明，该模型用于地下水源地水质预测，符合地下水系统的灰色特性，适用性好，预测结果与环境状况吻合。
The predication result proves that the water quality predication using the model for groundwater resource site is in conformity with the grey characteristics of groundwater sy...
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。
Secondly, groundwater quality set pair analysis and evaluation model was built and applied to the groundwater quality evaluation in Taiyuan.
前言：分析了。《地下水质量标准》GB／T14848—93的评价方法存在的不足，提出了应用模糊距离模型对地下水质量进行评价的方法。
The assessment method in Specification GB/T14848-93, "The Quality Standard of Underground Water", as this paper analyzed, has some shortcomings.
前言：分析了。《地下水质量标准》GB／T14848—93的评价方法存在的不足，提出了应用模糊距离模型对地下水质量进行评价的方法。
The assessment method in Specification GB/T14848-93, "The Quality Standard of Underground Water", as this paper analyzed, has some shortcomings.
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