地下水水质

  • 网络groundwater quality;quality of groundwater
地下水水质地下水水质
  1. 集成BP网络在城市地下水水质评价中的应用

    The Application of Integrated BP Network to the Evaluation of Municipal Groundwater Quality

  2. 汉中市地下水水质动态变化原因分析

    Reason on Dynamic Changes of Groundwater Quality in Hanzhong City

  3. 地下水水质污染模糊综合评判fuzzy算子的比较

    The comparison of fuzzy mathematics comprehensive judgement to the subterranean waterquality pollution

  4. 基于GIS的地下水水质综合评价模型的设计与开发

    Designing and development of GIS-based groundwater quality comprehensive assessment model

  5. 基于Matlab三种模糊算子的地下水水质评价模型

    Evaluation model of water quality of groundwater based on three Fuzzy operator of Matlab

  6. 基于GIS的鄂尔多斯白垩系盆地浅层地下水水质分布规律研究

    A study of shallow groundwater quality distribution in the Ordos Cretaceous Artisan Basin based on GIS

  7. 基于改进BP神经网络的地下水水质评价&以新疆和田地区为例

    Application of BP network to groundwater quality evaluation & Case study of Hotan sub-project area Xinjiang

  8. 一个基于GA优化的地下水水质评价的通用公式

    A General Formula of Groundwater Quality Assessment Based on Genetic Algorithm Optimum

  9. 将改进后的ANN应用于地下水水质评价分类,并和模糊综合评判评价结果进行了比较,分类结果令人满意。

    Satisfactory results obtained are compared with those obtained with the fuzzy assessment method .

  10. 地下水水质模型的Taylor展开随机模拟方法

    Taylor Series Expansions Stochastic Modeling Method for Groundwater Quality Models

  11. 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。

    A BP network model of groundwater quality assessment based on the calculation of BP neural network is presented .

  12. 文章最后探讨了GIS在区域地下水水质评价中的优势及存在的问题。

    Finally , the paper discussed the advantages and the existing problems of GIS using in the regional groundwater quality assessment .

  13. 另外还将BP神经网络应用于地下水水质评价,效果理想。

    In addition the BP neural network is also applied in assessment of groundwater quality and the result is desirable .

  14. FoxPro在地下水水质整编评价中的应用

    Application of FoxPro on groundwater quality data processing and assessment

  15. 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 .

  16. B-P网络应用于地下水水质监测点优选

    Application of BP Network to select the groundwater quality monitoring sites

  17. 应用GIS技术绘制实测和分析模拟的各影响因子空间分布及评分图,并对研究区地下水水质脆弱性进行了综合评价。

    Spatial distribution and rating maps of each index according to observed and simulation result were drawn with GIS , and then comprehensive evaluation of groundwater vulnerability in study area was made .

  18. 本文运用BP神经网络理论和方法,使用MATLAB工具箱函数编程,建立了地下水水质评价模型,对抚州市临川区5个地下水水质监测点进行水质评价。

    By BP neural network theory and method , the realizing function is provided in the toolbox of MATLAB 7.0 , and makes BP neural network model in groundwater quality assessment .

  19. 基于ARM-Linux的地下水水质现场分析仪的研究

    Research on the Field Analyzer of Groundwater Quality Based on ARM-Linux

  20. 预测结果表明:在地下水水质非单调变化情况情况下,等维灰数递补模型的预测精度要优于常规灰色模型GM(1,1)。

    A conclusion is drawn that the precision of progressive model of equal dimension grey member GM ( 1,1 ) is higher than that of the common GM ( 1,1 ) .

  21. 对北京市水环境安全有一定影响的是人均GDP,万人具高等学历人数、人均绿地、化肥施用负荷、地下水水质达标率等。

    GDP per person , numeral in possession of advanced degree per ten thousand people , Per capital green areas , burden of fertilizer employed and ratio of groundwater up to water quality standards determinately impact WES .

  22. 结合地下水水质动态变化的特点及现代信息技术发展的需求,提出了基于GIS图形管理技术与时态监测数据库为基础的地下水水质综合评价模型的设计方案。

    In combination with the dynamic change features of groundwater quality and requirements of modern information technique development , the designing plan of groundwater quality comprehensive assessment model on the basis of graphic management technique and monitoring database has been proposed .

  23. PC-1500A计算机在地下水水质模糊综合评判中的应用

    Application of PC-1500A pocket-size computer in fuzzy comprehensive judgment on under-ground water quality

  24. 地下水水质预测的多元线性回归分析模型研究

    Study of multivariate linear regression analysis model for groundwater quality prediction

  25. 唐山沿海海水入侵地下水水质评价

    Appraisal of groundwater quality due to coast seawater invasion in Tangshan

  26. 试用对数浓度加权绝对距离法评价地下水水质

    Method of log concentration weighted absolute distance to assess groundwater quality

  27. 淮北平原地下水水质空间分布特征分析

    Analysis on Spatial Distribution Characteristics of Groundwater Quality in Huaibei Plain

  28. 回归分析法在地下水水质动态预测中的应用

    Application of Regression Analytical Method in Dynamic Prediction of Groundwater Quality

  29. 地下水水质评价的模糊模式识别模型及其应用

    Fuzzy pattern recognition model for groundwater quality assessment and its application

  30. 最后,分析了浅层地下水水质的影响因素。

    Ultimately , the influencing factors of shallow groundwater are analyzed .