1) water quality and quantity
水质水量
1.
Setting from the standpoint and principles of ecology economics,the conception the integrated optimal distribution of water quality and quantity is put forward.
指出了以传统经济学为基础的水资源优化配置的缺陷,从生态经济学的角度提出了水质水量统一优化配置的生态经济学概念;在分析水质配置要素内涵的基础上,以生态经济效益最大为目标,建立了区域水质水量统一优化配置方案生成模型;模型考虑了经济效益、社会效益和生态环境效益的耦合,以及水质和水量的耦合;以安阳市为例,对模型进行了应用研究,结果表明模型除可以得到水量在各分区、各用水部门配置结果外,还可得到水环境容量在各用水部门的优化配置结果,证明了模型的有效性和合理、可行性。
2.
Integrated optimal distribution of water quality and quantity for a region is studied systematically in this dissertation, which mainly comprise as following:(1) The research tendency about the water resources optimal distribution is expounded, on the base of summarizing the existing research results of the domestic and overseas.
本文对区域水质水量统一优化配置进行了系统深入的研究。
2) water quantity and quality
水量水质
1.
Joint operation of water quantity and quality based on numerical model
基于数值模拟的区域水量水质联合调度研究
2.
In order to meet requirement of real time regulation and analysis of water diversion process from Yangtze to Taihu,a coupled mathematical model of water quantity and quality connected one dimensional and two dimensional is developed and integrated under the platform of GIS that develops the joint regulation system of quantity and quality for Yangtze-Taihu Water Diversion.
为满足引江济太调水过程中实时调度与分析的需要,在原有太湖流域水量模型的基础上,开发了一、二维连接的水量、水质耦合数学模型,并在GIS统一平台下对模型进行了集成,开发了引江济太水量水质联合调度系统;以太湖流域2003年为典型年,根据调水目标和调水约束条件,研究引江济太水量水质联合调度方案,并提出了较优的引水方案;根据流域雨情、水情变化以及改善太湖、河网水环境的目标,分析了引江济太最佳引水时机以及引水入太湖的较适宜的引水流量。
3.
By using the water quantity and quality association scheme model to simul.
从杭嘉湖区域整体入手,研究杭嘉湖区域水量水质联合调度及多工程联合调度,通过对各调水方案的改善效果和负面效应进行综合分析,优选出了改善效果较好的调水方案。
3) river water quality and its water quantity
水质和水量
1.
This paper puts forward the measuring method of river basin ecological compensation based on river water quality and its water quantity about across administration area, taking into account river basin and administration area factors on the integrate environmental management system of river basin ecological compensation.
本研究提出的基于河流水质水量的跨行政区界的生态补偿量计算办法,将实行统一的流域和区域综合环境管理纳入到流域地区政府的责任范围内,即将流域水体行政区界河流水质和水量指标设定为生态补偿测算的综合指标值中。
4) water quantity and water quality
水量和水质
5) quantity and quality of groundwater
地下水水量水质
1.
Using the coupling model established for quantity and quality of groundwater and taking 2000 as the benchmark year, This paper simulates and forecasts the quantity and quality of groundwater of Karst Water System in TAIAN in 2010.
运用建立的地下水水量水质耦合模型 ,以 2 0 0 0年为基准 ,对泰安岩溶水系统 2 0 10年的水量及水质进行了模拟预测 ,指出现状开采条件下岩溶水系统地下水环境将持续恶化 ;为了实现地下水资源可持续利用 ,必须对岩溶水系统地下水资源进行优化控制规
6) steel quality
钢水质量
1.
According to the requirements for steel quality of thin slab continuous casting and rolling,comparative analysis on steel qualities in some thin slab manufactories in the world and the existing state in Tangshan Iron & Steel Company is made,based on analysis and calculation of original data of industrial refining.
简要介绍了薄板坯连铸连轧工艺的概况,以及在唐钢的发展情况根据薄板坯连铸连轧对钢水质量的要求,对比、分析了国内外一些薄板坯连铸生产厂的钢水质量及唐钢生产现状,根据唐钢原始工业精炼数据进行了初步的分析、计算和总结,得出SS400合适的钢水成分控制范围,并在唐钢实际生产中取得良好的效果。
补充资料：水质保护设计水量
水质保护设计水量(designdischargeforassuredwaterquality)为保护水体水质而选用的水量。由于水量与水质密切相关，在一定水污染物总量条件下，水量少浓度水体水质浓度关系很大，必须从实际出发，为保护水体水质而合理确定。一般水体出现严重污染大都在枯水时期，故用十年一遇连续七天平均枯水流量作为河流水质保护设计水量，或用十年一遇最枯月平均流量；对湖泊则为十年一遇低月平均水位的蓄水量。中国河川径流量差异很大，沿海还受期汐影响，水质保护设计流量应从水文条件；水质保护目标，经济可能，水污染特性进行具体分析，综台平衡加以确定。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条