查询词典 water supply

Looking for the law of city water supply amount and forecasting the water supply amount not only can guide civicism construction and civicism management, but also are related to resident living.

寻找城市自来水供水量的规律性，预测以后几年的供水量，不仅对于市政建设和市政管理有着重要的指导意义，而且也关系着城市居民的日常生活。

Townzhu zhen existing 58 units, water stations, respectively, of one iron pipe business, Dongfeng Base guest house, water station hydropower classes, waterzheng ji the maintenance fee, water tax, the Government rent are water, water supply byliang guan suo water, industrial and commercial water, the water station, water courts, traffic police squadron of water, secondary water, water credit cooperatives, the water pipe by Maying, Center Hospital of water, water mains station.

全镇现有驻镇单位58个，分别是清水火车站、铁管处一营、东风基地招待所，清水车站水电班、清水养路费征稽所、清水国税所、清水地税所、清水供电所、清水粮管所、清水工商所、清水派出所、清水法庭、清水交警中队、清水中学、清水信用社、马营河水管所、清水中心卫生院、清水水管站等。

The results show that when 40%,60%and 80%of the water field capacity in root systems deep range (about 40 cm deep soil) is taken as the amount of water supply the period of growth, the economic yield and benefit isn′t increased at the same rate. In order to increase the product at a great rate, the amount of water supply must be over 60%.

试验结果表明，在辣椒根系生长范围内，分别以田间最大持水量的40％、60％和80％做为整个生长期的补充水量，产量和产值并未随补充水量的增加而同幅度提高，要使产量大幅度提高，补充水量必须在根系生长范围内田间最大持水量的60％以上。

Based on the principle of Markov process and multiobjective programming, a stochastic multiobjective dynamic programming model considering faced runoff prediction is developed for the optimization of generation and water supply at Danjiangkou reservoir. The reservoir will be used for water supply of the south-north water transfer project.

本文通过对丹江口水库综合利用任务的分析，运用随机规划与多目标规划的基本理论和方法，建立了考虑面临时径流预报下丹江口水库发电及向外流域供水的随机多目标动态规划模型，并分析了长期平稳运行特性。

Article 3 The supply of urban water shall be subject to the principles of development of water supply, planned and sumptuary water use.

第三条 城市供水应当以发展供水和计划用水、节约用水为原则。

The yield was sensitive to water supply during flowering and podding stage, in which the sensitivity was found podding stage （ R3 - R5 ）〉 flowering stage （R 1 - R3 ）〉 vegetative stage （V2 - R1 ）〉 the contribution of water supply to the yield formation was more central than potassium fertilizer application in light of controlling soil water at the same growth stage.

大豆对水分较为敏感的时期是开花期和结荚期，各时期敏感程度表现为结荚期〉花期〉营养生长期；同一生育时期控水下水分对大豆产量的影响要高于钾肥；旱涝都将影响大豆籽粒产量的形成，但干旱引起的减产程度要大于涝害。

At the same time, the RC-time control circuit can control the temporary and steady time of the IC555 and set the the water supply time to achieve the purpose of measuring the water supply and supplying water on compensation.

同时，RC时间控制电路对单稳态电路的暂稳态时间进行控制，设定供水时间，达到计量和有偿供水的目的。

For each strategy, a corresponding exploitation plan of groundwater was designed. Then each designed exploitation plan (except scheme 3) was put into the model for calculation and simulation. The analysis on the forecasting results every plan indicates that:(1) Shuting down the self-provided wells is the most direct and effective method, playing an important role in the land subsidence prevention.(2) The resumption of compressed soil by groundwater artificial recharge is limited. So the artificial recharge can\'t provide essential effect for the resumption of land subsidence, unless the artificial recharge is much more than the groundwater withdrawal.(3) The method of "adjusting the exploitation stratum of groundwater to the shallow" has an obvious effect on the land subsidence prevention.(4)"Sand wells" can increase the leakage recharge for confined aquifer, and thus can slow and prevent the development of the land subsidence.(5) For the groundwater exploitation in Xi\'an, emergency self-provided wells should be managed according to the well spacing of 1600m, 2000m and 1600m, respectively, in the river terrace area, alluvial-proluvial fan area and loess tableland area to exploit the first confined groundwater. Corresponding individual well yield can be set as 2500m~3/d, 1500 m~3/d and 200 m~3/d. Make emergency self-provided wells pump in the dry year and stop pumping groundwater to restore and conserve underground water sources in average years and wet years. In this way, groundwater withdrawal of 162000m~3/d can be obtained to provide for the supplement of water supply in Xi\'an. As a result, the water supply stress can be released in dry years. The groundwater depression formed in the exploiting year can resume in 3-4 years. At the same time, this exploitation manner will not lead to obvious land subsidence.

本文利用所建的模型预测了现状开采条件下未来20年的地下水位和地面沉降的变化，在此基础上，提出了防治西安市地面沉降的五个地下水开采方案，利用所建的地面沉降模型对各个设计方案其进行了模拟和预报，对预测结果的分析表明：①封停自备井是防治地面沉降最为直接和最有效的对策，对防治地面沉降起着最为积极的作用；②采用人工回灌方法使被压缩的土层得到的恢复是非常有限的，对地面沉降不能起到根治作用，只有回灌量明显大于开采量时才能有一定的效果；③&调整开采层次，在浅层取水&对防治地面沉降的效果十分明显；④布设&砂井&可以增加对承压含水层的越流补给量，从而可以有效地缓解和控制地面沉降的发生和发展；⑤对西安市的地下水开采，可在河流阶地区、冲洪积扇区和黄土塬区分别采用1600m、2000m、1600m的井间距布置应急自备井，分别采用2500m~3/d、1500 m~3/d和200 m~3/d的单井开采量，开采第一承压水，在平水年或者丰水年不开采，涵养地下水源，在枯水年启动这些应急自备井开采，在输出分析范围内共可获得162000 m~3/d(5913万m~3/a)开采量，可以有效地补充西安市的供水水源，缓解供水紧张局面，开采年开采导致的下降的水位可在停采3～4年后得到基本恢复，同时，这种开采方式不会造成大的地面沉降量。

This paper analyzes the selection of long-distance water-supply methods in hydraulic engineering, expounds the principles that should be followed in water-supply main trunk, and selects three kinds of water transmission scheme s.

分析了水利工程长距离输水方式选择，论述了输水干线应遵循的原则，比选了3种输水方案。

The following is mainly dealing with the problems excisting in rural drinking water:tap water popularizing rate is high but low in really qualified drinking water; water supply costs so much but earns so little; it is hard to e,nter into the market and the percentage of private investment is low; water price is higher and higher year by year but service quality is still unsatisfactory; it is rich in water amount as a whole but poor in available water on the preson average; more administration and few law means;more state-owned corporations and few private-owned corporations; hygiene standard is out of date and there is few index parameter amount.It points out inputing fund is the key to solve the problem of rural drinking water.and the difficult point is how to manage the corporation.The

政府要加快立法，理顺行业监管职能归属，适当集中管制权，改革价格管制方式，推进产权和经营管理体制改革，尽快修订农村饮用水卫生标准，推广用水户参与式管理，加强水源保护和水污染治理，并提出了解决浙江省农村饮用水的总目标和阶段性的目标与任务。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。