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- groundwater level fluctuation 地下水位波动,地下水位变动
- That time the result must cause the back-up groundwater level rising in Songbei district and immersion problem. 届时势必要引起松北区地下水水位的塑高,导致发生区内浸没问题。
- The change in the well loss value with time and with groundwater level drawdown is also discussed. 最后分析水跃值随时间和抽水井水位降深的变化规律。
- Groundwater levels fall; rivers get drier and drier. 地下水位降低;河流变得越来越干涸。
- This paper describes the design of a regional groundwater level monitoring network in Urumqi River Basin. 摘要文章阐述了乌鲁木齐河流域区域地下水水位监测网的优化设计。
- Results show that the water level fluctuation with a long cycle and slow attenuation causes long regulation time of the unit. 计算分析表明,周期较长衰减较慢的尾水调压室水位波动会影响运行机组的调节品质,主要表现为调节时间较长。
- From top to bottom into the shallow groundwater level, salt water, fresh water deep three. 地下水从上到下分为浅水层、咸水、深层淡水三种。
- The groundwater level appears marked spatiotemporal dynamic change rule after the transport. 结果显示,输水后地下水位表现出明显的时空动态变化规律。
- The groundwater level was an important reason for soil salinization its contribution was of 11.1%. 地下水水位过高是引起土壤盐渍化的重要原因,贡献率11.;1%25;
- The main measures for the control and prevention of final polycondensation autoclave liquid level fluctuation were found out. 找到了控制和预防终缩聚釜液位波动的关键措施。
- This paper focus on the effect of groundwater level by gold gangue and a model was estabished. 为此,我们概化了水文地质条件,选取了合理的参数,建立了模型,重点分析了金矿尾矿库对地下水水位的影响。
- A groundwater level monitoring network fitting in with Jinan Karstic Spring Area has been designed. 设计出了适合济南岩溶泉域的地下水水位监测网。通过实际验证,地下水监测网符合实际要求。
- The tailrace surge chamber shared by two units, common in hydropower stations with diversion systems, has problems of water level fluctuation and hydraulic disturbance. 双机共尾水调压室是水电站引水发电系统中一种常见的布置形式,存在尾水调压室水位波动和水力干扰问题。
- In areas which are prone to salinization-alkalization and water-logging, measures shall be taken to control and lower the groundwater level. 在容易发生盐碱化和渍害的地区,应当采取措施,控制和降低地下水的水位。
- Hongtong city located in east bank of Fenhe River and has high groundwater level, which cause the difficulty of city pipe network s laying out. 洪洞县地处汾河东岸,地下水位高,敷设城市管网困难很大,且目前无煤气和热力管网。
- In contrast, use of the sluice gate within the accident channel can reduce the magnitude of water level fluctuation and prevent the occurrence of overflow. 退水闸的启用能够较好减小水位的壅高幅度,有效降低水流的漫溢危险。
- Terrain configuration of Longlong area is gullies arranged in a crisscross pattern with precipitous gully walls,thick loess and deep groundwater level. 陇龙地区的地形特征一是冲沟纵横交错,沟壁陡立;二是黄土层厚度大,潜水位深。
- By analyzing on testing results, when we speak of that soils are under groundwater level, it does not mean the soils are saturated. 并且,根据实验分析,地下水位以下的粘性土并不都是饱和的。
- This paper studies sea level fluctuation and crustal movement in Guangxi country.The aggravation environment which the crustal movement have lead is analyzed elementaryly. 通过对有关广西沿海海平面和地壳运动资料的研究,初步分析了地壳运动对沿海地区产生的不良环境变化。
- With decompress well and drainage ditch to drain and decompress can effectively reduce groundwater level and prevent immersion outside reservoir. 减压井和排渗沟联合排渗减压是降低地下水位、防止库外浸没的有效措施。