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- The Relationship between Nitrogen Concentrations in the Shallow Groundwater and the Sensitivity of Groundwater Pollution--Research in Shijiazhuang City, Hebei Province, China 浅层地下水中的氮含量与地下水污染敏感性--以石家庄市为例
- Shallow groundwater pollution 浅层地下水污染
- 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。
- Therefore, to control the hydraulic field is an effective and efficient way for preventing and treating the groundwater pollution in Daqing City. 因此,通过控制水动力场来防治大庆市地下水污染将是一条行之有效的途径。
- There are many groundwater pollution sites in China, which threatened the safety usage of water resources. 摘要我国存在大量的地下水污染场地,给地下水资源的使用带来了严重威胁。
- 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。
- 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。
- But hydraulic fracturing can also produce debate and anger over the risk of groundwater pollution. 但是,水力压裂也可导致对地下水污染风险的争议以及愤怒。
- 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。
- 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。
- 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。
- A mathematical model for groundwater pollution in a leaky aquifer system,which involves the adsorption of semipervious layer,is presented. 提出了一个越流含水层系统考虑弱透水层吸附作用的地下水污染数学模型。
- EPA regulations provide for detection and correction of leaks in existing tanks and establish performance standards for new tanks. The aim is to avoid groundwater pollution. 环境保护局也做了一系列的规定,专门用于探索和纠正现有贮罐的渗漏。 同时,也为新贮罐确立了执行标准,目的是为了避免地下水污染。
- Finally the groundwater pollution remediation technologies have been considered, and the principals of groundwater pollution control and remediation in China have been discussed. 提出了建立地下水污染的预警系统,为污染的预防奠定基础;介绍了地下水污染的控制与修复技术,并对地下水污染防控和治理的基本原则进行了探讨。
- 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。