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- A model of estimating the THM concentration at all nods in drinking water distribution system was established. 利用此模型结合配水管网的水力分析与计算可以求出配水管网中任一节点的THM浓度。
- L.W.Mays et al; Reliability analysis of water distribution system, 1989 ,ASCE, New York. 阿布拉莫夫,给水系统可靠性,董辅祥等诅,中国建筑出版社,1990.
- The water distribution system is a great underground reactor, in which the kinds of transformation of water can’t be neglectable. 供水管网是一个埋在地下的巨大反应器,水在其中的各种反应变化都是不可忽视的。
- The changes of turbidity,pH,disinfectants residual and heterotrophic plate count(HPC) in drinking water distribution system were investigated. 试验研究了配水管网中常规水质指标随输水距离延长的变化规律以及与细菌再生长的相互关系。
- Parameter estimation in water distribution system (WDS) modeling plays an important role, which includes nodal demand and pipe roughness estimation. 建立较准确的管网水力模型需要对管网的一些参数进行复核,主要包括对节点流量的估计和对管道摩阻的校正。
- A number of mathematical models are used nowadays to describe behaviour of the real-life water distribution system (WDS). 给水管网的实际运行情况常常需要用数学模型来描述。
- Booster (pumping) station: A pumping station in a water distribution system that is used to increase the pressure in the mains on the discharge side of the pumps. 升压(泵)站:在输水系统中用以增加主要出水管道压力的泵站。
- The state estimation of water distribution system is systematically summarized, which includes parameter estimation, calibration assessment and data (sample) design. 系统地总结了供水管网状态估计的研究内容,包括参数估计、校核评估、数据(样本)设计。
- Water Distribution System (WDS) is one of the urban lifelines, and the study ofits operational management plays a very important role in urban management. 供水管网是城市的生命线工程之一,其运行管理方面的研究具有非常重要的价值和意义。
- Information quantity of water distribution system(WDS) is larger and larger because of the rapid updating of urban construction and establishments of WDS. 我国城市建设迅速发展,给水设施不断完善升级,给水管网及其附属设施的信息量随之越来越大。
- The relation between the AOC concentration and bacterial regrowth in the drinking water distribution system was investigated in order to obtain the AOC criteria. 研究了配水管网中AOC浓度与细菌再生长的关系,以确定控制细菌再生长的AOC标准。
- However,the finished water which has accorded with the water quality calibration is deteriorated after transiting through the water distribution system. 符合水质标准的出厂水,经管网输送给用户后,水质常常会发生恶化。
- The diphenyl-thiocarbazone extraction and spectrophotometry were developed for indirect determination of residual chlorine in water distribution system. 建立了采用双硫腙萃取光度法间接测定管网水中余氯的新方法。
- The water distribution system shall be designed to meet the peak flow requirement and storage, equalize water system pressures and provide emergency water supply. 供水系统设计时应满足高峰用水量和存储,补偿水压系统和提供应急水源。
- An intelligently arranged computer method is put forward aimed at the difficulty in the design of water distribution system and a corresponding software is also programmed. 摘要针对注水井配水系统设计中的复杂问题,制定了配水工具智能化排布的计算机算法,并编制了相应的软件。
- In China, the formation potential (FP) test was mainly used to assess the disinfection byproduct (DBP) in drinking water, but the test failed to assess the DBP production in water distribution system. 我国主要采用前体物试验(FP试验)对饮用水中消毒副产物(DBP)的形成进行评估,但这种方法无法对配水系统中DBP产量进行评估。
- Each balancing valve shall be in the Full Open (nominated) position prior to commencing the proportional balancing of water distribution systems. 在水分流系统开始进行比例平衡之前,每个平衡阀应该位于全开(指定)位置。
- When used for balancing of water distribution systems, valves should always be in the fully open position at the commencement of any commissioning or flushing exercise. 如果用于水分流系统的平衡,在任何投入运行或冲刷运行时,阀门应该总是处于全开状态。
- When used for balancing water distribution systems, valves should always be in the fully open position at the commencement of any commissioning or flushing exercises. 如果用于平衡水分流系统,那么在投入运行或进行冲洗作业的开始阶段,阀门应该总是处于全开状态。
- Specifies physical dimensions, test requirements, and workmanship for CPVC Hot-and-Cold Water Distribution Systems, commonly referred to as CTS (Copper Tube Size). 规范CPVC冷热水分配系统,通常被称为CTS(铜管口径)的物理尺寸,测试要求和工艺。