It Generally reflects the changes of water quantity and quality with time.
该模型基本反映了通波塘水量水质的时变情况。
The hydrology is a science to study natural water movement, the change state and rule of the water quantity and quality in time and space.
水文是研究自然界水的运动、水的数量和质量在时间和空间上变化状况及变化规律的一门学科。
Especially in densely populated urban areas, water quantity and quality is the foundation and premise of all social and economic activities.
尤其是在人口密集的城市区,水资源的取用数量和质量是一切社会和经济活动的基础和前提。
Based on the theory of resource exergy, this paper analyses the mainstream Yellow River and unifies its water quantity and quality into a single exergetic index.
基于资源理论,采用指标对黄河干流水量和水质进行了统一度量。
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。
The theme of this year's World Water Day, “Clean Water for a Healthy World”, emphasizes that both the quality and the quantity of water resources are at risk.
今年世界水日的主题是“保障清洁水源,创造健康世界”,强调水资源质量和数量都面临威胁。
Is water supply adequate in quality, quantity, and temperature in areas where needed?
在用水区域,其水供给在质,量,和温度方面是否足够?
Some of this water may be returned to the original source with changes in the quantity and quality of the water, but some may be used consumptively.
这种水有些经过水量和水质的处理,重新回到原来的水源地,有一些则被消耗掉了。
The influences of cooking time, soaking time and water quantity on the quality of barley tea were studied.
研究了焙炒时间、浸泡时间、浸泡水量对大麦茶品质的影响。
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。
The safety water supply distribution system means that the finished water can meet the users' need from the water quality, water quantity and water pressure at the same time.
管网安全供水是指在出厂水质合格并具有足够水量和压力的前提下以尽可能低的造价,同时满足用户在水质、水量及水压三方面的要求。
For any healthy and stable ecosystem, a certain minimum quantity of water with proper quality is essential.
一定最低数量和适当质量的水对于任何健康、稳定的生态系统都不可或缺。
Special water and soil conservation areas, water source, water quality, water quantity protected areas, and important reservoir water collecting areas shall be avoided.
避免位于特定水土保持区、水源、水质、水量保护区或重要水库集水区范围内。
Monitoring the quality and quantity of available river water basic informations, provide analysis results for water resources development, distribution and protection services.
监测掌握河道来水的质和量两种基础资料,提供分析结果,为水资源开发、利用、配置和保护服务;
In order to achieve the aim of Inland wetland protection, the quantity and quality of wetland water must be controlled by recharge and discharge water.
内陆湿地必须通过补水并适当排水才能控制湿地的水质、水量,达到保护湿地的目的。
The theme of this year's World water Day, "Clean water for a Healthy World", emphasizes that both the quality and the quantity of water resources are at risk.
今年世界水日的主题是“保障清洁水源,创造健康世界”,强调水资源质量和数量都面临威胁。
The present problems are mainly embodied in the bad water quality, not enough water quantity, inconvenient pick-up, no supply of safe water, and so on.
我国农村饮用水安全问题主要体现在水质差、水量不足、取水不便、不能保证供给等方面。
The quantity, quality status, and temporal and spatial change of water resources of Haihe river basin are analyzed.
分析了淮河流域水资源的数量和质量现状及其时空变化特征。
Impact by resources and categories of waste water in hazardous waste treatment center and uncertainties of water quality and quantity provide a broadspeetrum on their treatment process.
危废处置中心的废水、废物来源和种类影响,水质、水量呈现不确定性,对其处理的工艺应具有广谱性。
The relationship between extraction efficiency and washing time as well as water quantity, and the pulp quality after washing are investigated.
探讨了黑液提取率与浆料洗涤时间、水量的关系及洗后浆所达到的洗净程度等。
For the characteristics of expressway sewage quantity and water quality, the buried integrated wastewater treatment system is applied.
针对高速公路污水量和水质的特点,设计采用地埋式一体化污水处理系统。
The quantity and quality of groundwater are main working objects of local water-saving office as well as water resource management office of water-affair bureau.
地下水资源的量与质就是该地区的城市节水办公室及水务局的水资源管理办公室工作的主要对象。
Discharge quantity of acidic sulphide waste water is 30% of traditional technology and final product is high quality.
产品质量达到国内外同类产品的标准,含硫废水(呈酸性)排放量为传统工艺的30%。
On the basis of the previous research, the quantity and quality of roof rainwater and the characteristics of building gray water system are analyzed in this paper.
在已有研究的基础上,本文对屋面雨水水量和水质以及建筑中水系统的特点进行了分析。
By establishment of a mathematical model for water quality and quantity calculation, the impacts of tail water from the effluent plant of Baoying County on water environment are analyzed.
通过建立数学模型,进行水量水质计算,分析了宝应县污水处理厂尾水排放对水环境的影响。
Balance on financial affairs in the water works is one of the most important ensuring factors to achieve the aim of supplying water safely by quality and by quantity.
自来水公司的财务平衡是实现按质按量安全供水目标的重要保证因素之一。
It is critical to focus on incorporating designed wetlands as an option to manage the quality and quantity of water around built environments.
以经过设计的湿地来管理人造环境周边的水量和水质变得至关重要。
According to water environmental system in green residential quarters related design specifications on water quality and quantity are introduced with regard to various subsystems.
介绍了设计绿色生态住宅小区的水环境系统各个子系统时应满足的水质、水量和应遵循的设计规范。
According to water environmental system in green residential quarters related design specifications on water quality and quantity are introduced with regard to various subsystems.
介绍了设计绿色生态住宅小区的水环境系统各个子系统时应满足的水质、水量和应遵循的设计规范。
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