二维水质模型,Two-dimensional water quality model
1)Two-dimensional water quality model二维水质模型
1.Two-dimensional water quality model is easy to use with hi.二维水质模型简便易行、具有较高的精确度,可用于污染带长度的计算及预测,是保护水环境的重要工具。
2.Through analyzing the characteristics of an urban river reach in Middle Jinsha River,a two-dimensional water quality model is established to compute the water quality under condition that multiple sewage outfalls discharging at the same time.以金沙江中游某河段为例,通过分析城市河流的特性,建立平面二维水质模型,根据河段内当前存在的排污口的排污特征及其位置分布,计算了多排污口同时排污情况下河段内的水质情况,采用高精度网格对21 km的河段进行计算,模拟了污染物在河流中叠加耦合后的污染带分布,并根据计算结果分析判断污染物是否会对河段中取水口产生较大的影响,从而为城市规划提供了一定的科学依据。
英文短句/例句
1.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
2.Basic equation of two dimensional steady water quality model of river二维河流稳态水质模型基本方程
3.Applied Research of 2-Demension Water Quantity and Water Quality Coupled Model of Shallow Lake in the City;城市浅水湖泊二维水量、水质耦合模型应用研究
4.Research on Mass Transfer Theory for 2-D Stochastic Water Quality Model;基于传质原理的二维随机水质模型研究与应用
5.Research and Application of Two-Dimensional Water Quality Model for Water Resources Protection;二维河流水质模型在水资源保护中的应用
6.Modification of 2D shallow water and water quality model in curvilinear coordinates曲线坐标系下平面二维水流水质模型的修正
7.2-Dimensional Vertical Water Temperature and Water Quality Numerical Simulation on Large Reservoir--Take Nuozhadu Reservoir as an Example;大型水库纵竖向二维水温、水质数值模拟——以糯扎渡水库为例
8.Application of a Two-Dimensional, Hydrodynamic and Water-Quality Model (CE-QUAL-W2) to Liuxihe Reservoir, Guangzhou China;流溪河水库二维水动力学和水质模型（CE-QUAL-W2）的建立与初步应用
9.The Study and Application of Two-dimensional Flow Pollution Sediment-water Quality Coupling Model;浅水湖泊二维水流—沉积物污染水质耦合模型研究与应用
10.The Study and Application of Two-dimensional Flow-water Quality with Sediment Pollution in Shallow Lake;浅水湖泊二维水流-水质-底泥耦合模型研究与应用
11.Study on the 2-D Water Temperature Vertical Model Simulation for the Stratified Reservoir分层水库垂向二维水温模型模拟研究
12.2-Dimensional Plane and Vertical Flow Field and Water Quality Numerical Simulation of Large Lake and Reservoir;大型湖泊水库平面及垂向二维流场与水质数值模拟
13.Study and Application of Plane 2D Flow-quality Couple Model in Oujiang Estuary;瓯江河口平面二维水量—水质耦合模型研究及应用
14.Two-dimensional numerical model of flow and sediment transport for wandering rivers游荡型河流的平面二维水沙数学模型
15.Application of 2D dynamic water quality model to the upstream Qiantang estuary平面二维动态水质模型在钱塘江河口上段污染控制中的应用
16.The study and the application of two-dimension water flow and sedimentmathematical model in the river;天然河道水沙平面二维数学模型研究
17.Development of 2D reservoir turbidity water control model二维水库浊流控制模型开发(英文)
18.Multiplicity Assesment of Mathematcial Model of Two Dimensional Shallow Water Flow二维浅水流动数学模型的多解性评价
相关短句/例句
2D water quality models二维水质模型
1.Study on integration of GIS and2D water quality models;河流二维水质模型与地理信息系统的集成研究
2.According to different demand and intentions,three2D water quality models were suggested here:continuous point source model,instantaneous point source model,and numerical model with FVM solution.在此基础上,将三种类型的二维水质模型模块与 GIS 平台集成,以更好满足水质预测与管理在水质模型计算方式选取、计算精度与实现效率等方面的需求。
3)two-dimensional flow-pollutants model二维水流水质模型
4)two-dimension water quality model河流二维水质模型
5)two-dimension river water quality model二维河流水质模型
6)Two-dimensional stochastic water quality model二维随机水质模型
延伸阅读
水质水质waterquality未经人类活动污染的自然界水的物理化学特性及其动态特征。物理特性主要指水的温度、颜色、透明度、嗅和味。水的化学性质由溶解和分散在天然水中的气体、离子、分子、胶体物质及悬浮质、微生物和这些物质的含量所决定。天然水中溶解的气体主要是氧和二氧化碳；溶解的离子主要是钾、钠、钙、镁、氯、硫酸根、碳酸氢根和碳酸根等离子。生物原生质有硝酸根、亚硝酸根、磷酸二氢根和磷酸氢根离子等。此外，还有某些微量元素，如溴、碘和锰等。胶体物质有无机硅酸胶体和腐殖酸类有机胶体。悬浮固体以无机质为主。微生物有细菌和大肠菌群。天然水评价指标一般为色、嗅、味、透明度、水温、矿化度、总硬度、氧化-还原电位、pH值、生化需氧量和化学需氧量等。天然水中的大气降水水质与当地的气象条件和降水淋溶的大气颗粒物的化学成分有关；地表水水质与径流流程中的岩石、土壤和植被有关；地下水水质主要与含水层岩石的化学成分和补给区的地质条件有关。
