The CBOD-NBOD-DO equations for river water quality modelling are studied to develop stochastic analysis model for predicting the river water quality.
本文以河流CBOD-NBOD-DO水质方程为例，推导出计算河流水质的随机分析新模型。
A method of scanning and Calculating contour maps using computers to estimate the parameters of the river water quality model is introduced in this paper the method can be easily operated.
本文介绍了一种利用计算机扫描计算一等值线图对河流水质模型参数的值进行计算的方法。
The mathematical model of water quality can be divided into river model, reservoir model, oce, an model and so on.
水质模型可分为江河模型、河口模型、湖泊与水库模型、海洋模型等。
The model has been applied to the program of controlling water quantity and water quality in order to improve the water quality of the river network of Wuxi City.
本模型已用于为改善无锡河网水质而进行的水量、水质调控方案的研究中。
A one-dimensional hydrodynamic and water quality model for river networks is developed, according to hydraulics and water quality features of water body within a tidal river network.
本文根据潮汐河网地区水体的水动力、水质特性，建立了河网一维水动力学和水质耦合模型。
Based on the principal component analysis theory, a water quality comprehensive evaluation model was established and was used to evaluate the water quality of the South Feihe River.
基于主成分分析理论，建立了水质综合评价模型，以南淝河为例，对南淝河的水环境质量进行综合评价。
On the basis of the hydrological and water quality characteristics of Tongbotang river, a one-dimension-dynamic mathematical model of water quantity and quality was deduced.
本文在研究通波塘水文特征和水质特征的基础上，推导出通用性较好的一维动态水量水质数学模型。
This paper deduces a water quality model by using the theory of random differential equations, and proposes a stochastic method for water quality management at a river.
运用随机微分方程理论，推导了一个水质模型，提出了河流水质管理的随机规划方法。
The grey planning for river water quality system can be carried out using the grey model for the river water quality system.
借助于河流水质灰色模型，可以对河流水质系统进行灰色规划。
When accumulative flow method was used to model water quality or dynamics of river with DAMS, field velocity data should be available to calculate accumulated flow curve of various cross sections.
在用累积流量法模拟计算水库型河流水动力水质时，应当用实际测流结果来绘制各计算断面累积流量曲线。
One dimensioned BOD-DO model for river is a well studied and mature water quality model; it is adaptive and can reflect the reality.
其中河流一维bod - DO模型是研究较为成熟的水质模型，既对水污染控制具有普遍的适应性，又能较为真实地反映实际情况。
Based on the unascertained characteristic of river water system, water quality model for one-dimensional sudden pollutant discharged is established by using unascertained mathematics theory.
基于河流环境系统信息的未确知性，运用未确知数学理论，建立了一维河流突发性排污的水质模型。
Based on the unascertained characteristic of river water quality system, the parameters of water quality model are defined as the unascertained Numbers by using unascertained mathematics theory.
基于水质系统的未确知性，运用未确知理论将瞬时排污情形下河流水质模型参数定义为未确知数。
Based on the water quality model for tidal river network, the computational method of aquatic environmental capacity was improved.
基于感潮河网水质模型，完善了其水环境容量的计算方法。
Further, a coupling model of hydrodynamic model and water quality model was developed and it can be applied to simulate the water environment of a tidal river network controlled by gates.
进一步建立水动力模型和水质模型的耦合，使之可以应用于闸控感潮河网水环境的模拟。
Thirdly, water quality model QUAL2E was selected to simulate and predict water quality within Jinhe River according to the specific conditions of the river.
第三，根据津河的实际状况，选择了QUAL2E模型作为津河的水质模型。
This paper discusses the water quality of Yangtze River in the recent two years by applying modified fuzzy comprehensive evaluation model.
应用改进的模糊综合评价模型探讨了长江近两年的水质状况。
Aimed at actual question of water quality assessment, the BP neural network model is established which synthetically assesses the surface water quality of the Wei river.
针对实际水质评价问题，建立了渭河地面水环境质量综合评价的BP神经网络模型，并与单因子法、主成分分析法进行了分析比较。
Water quality model for the river network has been studied in this paper.
本文研究了河网水质数学模型。
Based on one-dimensional water quality model, the dynamic pollution receiving capacity was estimated and the effect of the polluted water on the receiving river was forecasted.
依据一维水质模型，估算动态纳污能力、预测污水对目标河段水质的影响。
By using 1d, 2d Hydrodynamic model and water quality model on aquatic environment in the upstream, estuary and nearshore due to sluice build in the river estuary is simulated.
应用一维、二维水流、水质模型模拟一个典型河道在建闸前后河道、河口及近岸海域水环境状况。
The construction and applied condition of onedimension water quality model used extensively in concentration control of river pollution is analyzed and studied.
分析和研究了在河流污染浓度控制中广泛应用的一维水质模型结构和应用条件。
A three dimensional water quality model was developed to investigate DO vertical transport in the Zhujiang (Pearl) River Estuary (PRE) in summer.
通过建立一个珠江口三维水质模型，对夏季珠江口溶解氧垂向输运进行研究。
A three dimensional water quality model was developed to investigate DO vertical transport in the Zhujiang (Pearl) River Estuary (PRE) in summer.
通过建立一个珠江口三维水质模型，对夏季珠江口溶解氧垂向输运进行研究。
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