This article,selecting 52 month-long monitor data from the test points at 19 provincial boundary cross sections of the Huaihe River's heavenly stems and the branches,attempts to establish the water environmental pollution model and find the law of its time and space changes viewed from the geographical environment integrity,the systematization.
选取淮河干支流19个省界断面监测点52个月的监测数据,进行科学处理,从地理环境整体性、系统性的角度建立了水环境污染模型,揭示淮北平原水体污染的时空变化规律,讨论了水系结构对水体污染的影响。
The paper studies the distribution structure of the observations taken from the contaminated model.
研究了污染模型下观测值的分布结构及方差，并以此为基础导出了污染模型下的最小二乘估计。
Quadratic finite volume element methods for the air pollution model in one-dimensional;
一维大气污染模型的二次有限体积元方法
An air pollution model is built in order to simulate and forecast the air pollution after an accident by using MapInfo's MapX component and adopting the Gauss Mode.
通过运用MapInfo公司的MapX组件,基于高斯扩散模式建立1个大气污染模型,对发生意外事故导致的大气污染进行模拟和预测,模拟或预测结果通过等值线或专题图等形式进行表现,从而为发生环境污染事故后相关部门采取的紧急疏散等应急措施提供有价值的参考依据。
Applying this method to the problem of air pollution model in one dimension,we can simulate the process of air pollution.
将特征线方法和有限体积元方法结合起来,得到了全离散特征有限体积元方法,将这种方法运用到一维大气污染模型问题中,可以对大气污染过程进行数值模拟。
On Non-point Source Pollution Model and Pollution Control Methods of Water Environment
水环境的非点源污染模型及污染控制方法
Study on Model of Internal Pressure Hollow Fiber Ultrafiltration Membrane Pollution;
内压式中空纤维超滤膜污染模型研究
Persistence of Gompertz Systems in a Polluted Enyiroment with Impulsive Effect and Delay
具有时滞脉冲的Gompertz污染模型的持续性
pollution sources assessment model of river
河流污染源评价模型
A New Model of Productivity Prediction for Low-Permeability Reservoirs Before and After Damage
低渗透油藏污染井污染前后的产能预测新模型
computer-simulated air pollutant dispersion model
电脑模拟空气污染物扩散模型
SWAT-Based Simulation on Non-Point Source Pollution in the North Watershed of Miyun Reservoir;
基于SWAT模型的非点源污染模拟研究
Numerical Simulation of Three-dimension Flow and Pollutant Transportation of Tidal River Based on COHERENS Model
基于COHERENS模型的污染物质输运数值模拟
Study of Pollution Loading Model in the Area of Typical Plain River Network;
典型平原河网地区污染负荷模型研究
Contamination Twodimensional Water Quality Model Study of Surrounding Area of Drainage Outlet of City Rivers;
城市河流排污口近区污染物二维水质模型
The mathematical model of pollution and environmental capacity in the dam of Mengzhou of Shaoguan;
韶关孟洲坝污染及纳污问题的数学模型
Study of regulating model with emissions trading on transboundary pollution dispute of river basin;
流域跨界污染纠纷排污权交易调控模型研究
DC Pollution Flashover Circuit Model of Polluted Insulator String
染污绝缘子串直流污闪放电的电路模型
DC Pollution Flashover Model and Its Validation of Polluted Insulator Strings
染污绝缘子串直流污闪放电模型及验证
Research on Non-Point Source Pollution Based on AnnAGNPS;
基于AnnAGNPS模型的非点源污染研究
Study on Characteristics of Ambient Air Pollution and Forecast Model in Nanning;
南宁市空气污染特征及预报模型研究
Analysis of Nonpoint Sources Pollution in the Watershed on the Basis of WARMF Model;
基于WARMF模型的流域非点源污染分析
Optimal Industry Total Distribution Model of Water Pollutants;
水污染物总量行业优化分配模型研究