您要查找的是不是:
- Study on Variation and Influence Factor of Soil-water TDS in Shallow Groundwater Areas 地下水浅埋区土壤水TDS变化规律分析
- Experimental analysis on the soil water and salt dynamic variation in shallow groundwater areas 地下水浅埋区土壤水盐试验分析
- shallow groundwater areas 地下水浅埋区
- shallow groundwater area 地下水浅埋区
- The paper deals with the study of monocyclic aromatic hydrocarbon (MAH) in shallow groundwater in three cities (C, W and S) in an area of the Yangtze River delta. 本文针对长江三角洲某地区3个城市(C市、W市、S市)浅层地下水的单环芳烃进行了研究。
- To take the Dabaodang area of Yulin-Shenmu mining area in northern Shaanxi as an example,discussed shallow groundwater characteristics in ecologically weak desert bottomland. 以陕北榆神矿区大保当区为例,论述了生态脆弱的沙漠滩地浅层地下水的特征。
- Through the research, it demonstrates that spatial distribution of natural chemical field of shallow groundwater in the area is largely controlled by geology, terrain and hydro-geological conditions and has clear rule. 通过关中盆地浅层地下水水化学场的时空演化研究表明:区内浅层地下水天然水化学场空间分布主要受地质、地貌和水文地质条件的制约,且具有明显空间分布规律。
- The article investigated the quality of shallow groundwater in the northern part of Cretaceous Ordos Basin,analyzes distribution characteristics of the nitrate pollution in the working area. 本文通过调查鄂尔多斯白垩系盆地北部潜水水质,分析了工作区内硝酸盐污染的分布特征。
- The article take Sanjiang Plain district as an example and discusses the division of shallow groundwater system. 本文以三江平原地区为例,对浅层地下水系统的划分进行了探讨。
- 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。
- Therefore, the use of atrazine is of serious threats to shallow groundwater and surface water resources. 实验地区阿特拉津的降解参数服从正态分布;
- A case study from Yinchuan basin shows a good result and the mean age of shallow groundwater in Yinchan basin is about 30 years. 该方法应用到银川平原取得良好的效果,研究表明银川平原浅层地下水的周转时间为30a。
- The shallow groundwater, with the strong renewal ability and easy to be exploited and supplied, should be exploited in priority and utilized fully as water supply source. 浅层地下水易采易补,更新能力强,优先开采浅层地下水,充分发挥浅层地下水资源的供水功能;
- The result of this field experiment demonstrate that the shallow groundwater table and average infiltration rate are in proportion to the ponding depth. 现地试验结果显示,平均入渗率及浅层地下水位的抬升与灌水深有正比之关系。
- Through analyzing the surveying data of shallow groundwater quality of Datong Basin,we can known that these integrating factors have reflected ground water quality. 通过对盆地浅层地下水水质实测资料的分析,了解了这些因素综合影响着地下水水质。
- The earthquake shaking the surface subsidence, the shallow groundwater will be squeezed along the cracks rose to the surface, take a sandblasting water phenomenon. 地震的晃动使表土下沉,浅层的地下水受挤压会沿地裂缝上升至地表,形成喷沙冒水现象。
- This paper computed the weight of influence factors by gray pertinence method and BP network, and assessed shallow groundwater resource vulnerability in the Hufu Plain in 1984 and 2000 by the integrated method. 摘要采用灰色关联度法和BP神经网络法计算各指标权重,然后用综合指数法分别对滹滏平原1984年和2000年地下水资源脆弱性进行了评价。
- The rise in shallow groundwater levels caused by the construction of an artificial lake will result in a series of environmental problems such as submersion of lakeshores and salinization of soils. 摘要人工湖建设可能引起地下水位的抬升,将对周边生态环境造成影响,如部分河岸区的浸没、土壤次生盐渍化、地下水质恶化、影响湖周高层建筑物的地基承载力等。
- Abstract Because of limited quantity and poor quality of the shallow groundwater, the exploitation of deep groundwater is very general in the Taikang and Daan formation in Qian’an county. 摘要 由于乾安县浅层地下水水量有限以及有些地区浅层地下水水质较差不适合饮用,所以乾安县深层地下水尤其是泰康组和大安组的开采在全县已经非常普遍。
- The variation relations between phreatic water, confined water and precipitation were studied, and at the same time it proved that rainfall affected the shallow groundwater beyond one year. 研究了潜水、承压水随降水的多年变化关系,并证明在当前地下水埋深条件下,降水对浅层地下水位变化的影响是跨年度完成的。