水量交换

基于支持向量机的洞庭湖水量交换模型

Water Exchange Model in Dongting Lake Based on Support Vector Machine

平原河道支流水量交换数值模拟方法

Numerical simulation of tributary water exchange in plain rivers

含水层与河流间水量交换作用，更宜用“连续线源”去刻画。

It refers to line-source when describing the water exchange between aquifers and streams .

而德里克海峡绕极流的体积输运则代表了太平洋和大西洋两大洋之间通过德里克海峡的水量交换。

The water transportation by the circumpolar current at the Passage reflects the exchange volume between the Pacific and Atlantic .

本研究为确定河流与地下水之间水量交换和污染物运移的量值与范围提供解决理论依据。

This research attempts to provide theory solutions to qualitative estimation and scope the water exchange and contaminant transport between stream and groundwater .

用水量交换耦合组成了广义三重介质渗流模型，该模型充分体现了煤系裂隙含水系统流场的空间特征，特别是强径流带和局部非连续渗流特征。

The model well represents dimensional characteristics of fractured system of groundwater , especially for the strong runoff zone and local discontinuous seepage .

河流与含水层之间有着密切的水量交换，这些信息对普拉特河谷，或类似地区的水资源合理开发利用和管理都是非常重要的。

The information obtained is of significance to reasonable development and utilization of water resources of the Platte River Valley and other similar regions .

分别对孔隙和微裂隙所构成的岩块域和溶隙网络域建立数学模型，并用岩块和裂隙的水量交换项将两者耦合起来。

Flow models are set up respectively in the dissolved - fissure network and in the blocks which have either porous or micro fissure d property .

模拟方法考虑各径流之间的水量交换，能定量区分各径流量及各径流分别向湖泊输送的物质数量，可望深层次地揭示湖泊集水域的径流系统及物质输移路径。

The model takes into account the dynamic water exchange between runoffs and is expected to quantitatively distinguish different types of runoff , and associated pollutants transport .

在自然界中，河水与地下水之间存在着密切的水力联系，二者之间不仅发生水量交换，而且存在溶质和污染物的迁移。

There is closely hydraulic connection between river and groundwater in the nature . There are not only in water exchange , but also solute and pollution migration between them .

采用矩阵标识法求解节点水位，由水量交换函数的回代得出所有流域对象的水力要素。

The matrix mark method was employed to solve the nodal water stage , and the hydraulic parameters for river basin objectives were obtained by back computation of the water volume exchange function .

模型把研究区划分为河段、泉井、水库湖泊、农区和非农区五类水均衡模块，水均衡模块之间通过地表渠系、地下水侧渗进行水量交换。

The model divides the research area into five water balance modules : river module , spring-well module , reservoir-lake module , agriculture area module and non-agriculture area module , and the water exchanges between these modules are made through surface channel and groundwater movement .

在抽象世界里，流域由基本对象组成，基本对象由基本元素组成，构造基本对象的模拟模型，建立水量交换函数和节点水位方程。

In the abstract world , the river basin was composed of basic objectives , and the basic objectives were composed of basic components . The simulation model for basic objectives , the water volume exchange function , and the nodal water stage equation were developed .

利用大系统优化原理，将优化与模拟有机结合，建立了地表水系统和地下水系统联合调控优化模型，通过水量交换的耦合，实现整体系统的最优。

Utilizing the great system optimization principle , with optimize and simulation , the author give a model of optimized adjustment and control system about surface water system and groundwater , by the coupling of water exchange , and realized the optimum of the whole system .

因此，定量研究河流沉积物渗透系数及其空间变异性，对于确定河水-地下水水量交换和污染物运移的量值与范围，修复河流生态系统健康具有重要作用。

Therefore , the quantitative research on the hydraulic conductivity of streambed sediments and their spatial variability are of great significance in determining the magnitude and scope of the exchange between river water and groundwater and the movement of pollutants and in restoring the river ecosystem .

特征对象由基本元素组成，将节点水位作为模型基本变量，通过各种流域基本元素间的水量交换函数，采用数据驱动运行机制建立了流域洪水模拟通用模型，并用实例验证了方法的可行性。

Then , with the nodal water stage taken as the basic variable , a universal model for river basin flood simulation is established by use of the inter-element water volume exchange function and the data driving mechanism . The feasibility of the model is verified by some examples .

大水量离子交换除氰工艺的研究设计

Study and design of the process of removal of cyanide by ionexchanger witb large flow ion quantity