含水层
- aquifer;water-bearing stratum;aquiclude
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干河煤矿清理斜巷K2灰岩高压含水层预注浆施工技术
Pregrouting in K2 Calcareous Rock Water-Bearing Stratum of Gan he Coal Mine Slanting Lane
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桃园矿底部含水层水文地质特征分析
Base Water-bearing Stratum Hydrology Geological Feature Analysis of Taoyuan Coal Mine
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结果表明:吸附与生物降解作用是影响硝基苯在含水层中迁移转化的主要因素。
The experimental result indicated that adsorption and biodegradation actions are the main effecting factors in this study .
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含水层的水含过30%
Aquifers have water contents over 30 % .
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基于GIS的孔隙含水层系统三维空间离散方法研究
Study of spatial three-dimensional divergent method of pore aquifer system based on GIS
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为说明BP神经网络求含水层参数的原理,本文以文献数据给出了基于非稳定流抽水试验的BP神经网络求承压含水层参数的过程。
The procedures of determining confined aquifer parameters by BP neural network were introduced .
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BP网络在研究地下水咸淡水界面波动中的应用&以长江河口地区第二承压含水层为例
Applied BP Network to Study Groundwater Interface Fluctuation & Example from the 2nd Confined Aquifers in the Changjiang Estuary
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基于DRASTIC模型含水层易污染性模糊综合评价
Fuzzy comprehensive evaluation model for assessing groundwater vulnerability based on the DRASTIC system
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Jacob假定下含水层的储水率及其地面沉降机理意义
Specific storage under Jacob assumptions and significance of its land subsidence mechanism
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第二部分就含水层的赋存状态(含水层深度、含水量)和NMR的关系进行了探讨。
The second part discussed the relation between water bearing strata status ( water bearing strata depth ? moisture content ) and NMR .
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利用松花江河谷的承压水井抽水试验资料和洮儿河扇形地27个潜水抽水井及其观测孔的抽水试验资料,应用直线图解法分析计算,得到唯一的含水层参数T、K和R。
The pumping test data from the confined wells in the Songhua River valley plain and 27 unconfined wells and observation wells in the Tao'er River fan are analyzed .
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东南沿海和华南大部,应考虑利用近海沉积盆地内的咸水含水层储存CO2。
In southeast coastal area and South China , CO2 can be stored in the brine aquifer of sedimentary basins located on the continental shelf .
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沉积盆地地下深部存在体积巨大的咸水含水层,咸水不宜开发利用,可用来储存大量的CO2。
The enormous saline aquifers deeply buried in the sedimentary basins are saturated with high concentration dissolved solids , which make groundwater unsuitable to any large-scale exploitation .
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TCE运移的计算机模拟&某碳酸盐岩含水层中地下水有机污染及其去除研究之二
Study of Groundwater Contamination in a Carbonate Aquifer and Remediation 2.Computer Simulation for TCE Transport
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GCMS分析表明,活性炭吸附可降低有机物含量,再经土壤含水层处理,大部分有机物及优先控制的污染物可被去除。
GC / MS analysis showed that GAC adsorption could reduce the concentration of organic compounds . After SAT , most organic compounds and priority-control compounds could be eliminated .
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为使含水层导水性相近,将含水层按岩性分为A类(砾石-砂砾石类)、B类(砂砾石、砂类)和C类(砂类);
In order to ensure the similar permeability , the water-bearing beds are classified by lithological character , which are A ( gravel , sand gravel ), B ( sand-gravel , sand ) and C ( sand ) .
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含水层埋深在200m以下的,为深层古水,更新能力较差。
The groundwater buring under more than 200m was the deep ancient groundwater and its renewability was weak .
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分析了目前国外地下水易污染性评价中广泛采用的DRASTIC模型中存在的主要问题,将含水层易污染性定义为模糊概念;
Main problems in DRASTIC system , which is widely used abroad , are discussed . This paper takes vulnerability of aquifer as fuzzy concept .
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改进的Theis井流模型及其解析解&考虑含水层顶板的挠曲作用
Analysis of Modified Theis Model on Well Flow : Considering Bending of the Confining Stratum
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首采区范围内10煤下方约50m以下为太原群多层灰岩岩溶含水层,其岩溶发育。
The Taiyuan formation limestone aquifer abounds karst , which below 50 meters under coalbed NO.10 in the first mining district .
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以DRASTIC模型为基础,建立了评价含水层污染性难易程度的模糊分析理论与方法,并将其应用于沧州市区地下水系统脆弱性评价。
Based on the DRASTIC model , the fuzzy analysis theory and method which are suitable for evaluating aquifer vulnerability are established and have been used in Cangzhou City .
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新生界松散岩类孔隙含水层系统和石炭系-侏罗系碎屑岩类裂隙含水层系统的交替循环深度较小(一般小于300m)。
The Cenozoic groundwater system and the clastic fissure groundwater system in Carboniferous and Jurassic have shallow circulation depth ( less than 300m ) .
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利用Cooper等人推导的井-含水层系统放大因子表达式,分析了井-含水层系统的特征参数与前驱波响应能力之间的关系。
The relationship between characteristic parameters of well-aquifer system and responding ability to precursors is analyzed by the expression of amplification factor of well-aquifer system induced by Cooper et al .
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以上海市区第V承压含水层(埋深约350m)以上的整个第四系松散沉积层为研究体,将上海地下水系统作为一个完整且不可分割的系统来研究。
Taking the sediment of the Quaternary system above the 5th confined aquifer , 350m under the ground around Shanghai city , as the target body to be studied as whole system for groundwater .
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作者在收集已有观测井地下水位资料的基础上,利用人工神经网络技术中的动量BP算法对上海地区第Ⅲ承压含水层的地下水水位进行了动态预测,结果表明,该法具有较高的预测精度。
Based on collected data of wells , regime prediction of the groundwater level of wells in the 3rd confined aquifer in Shanghai area has been developed using momentum BP algorithm of artificial neural network . The result indicates that it has higher precision on prediction .
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研究纵深为300m。在垂向上划分为一个非承压含水层和两个承压含水层。其中第一承压含水层为主要开采层。
The depth considered here is 300m . In the vertical direction , a unconfined aquifer and two confined aquifers is divided , and the first confined aquifer is treated as the main exploration formation .
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研究了第四系底部黏土层在水体下采煤中的作用,认识到当底黏厚度大于3m时,上部含水层对工作面充水量很小。
The functions of clay layer under Quaternary in under-water mining is studied , and when thickness of clay layer is larger than 3m , work face water inrush quantity is very little from upper water bearing layer .
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在受垂向入渗影响及河渠边界控制的半无限含水层中,利用作者已推导出的潜水非稳定渗流模型的新Laplace解,建立不同水文地质条件下的模型参数求解方法。
A new analytic solution of unsteady flow for semi-infinite phreatic aquifer subjected to vertical seepage and bounded by a channel is deduced by applying the Laplace transformation . The methods for estimating the aquifer parameters corresponding to different hydrogeological conditions are proposed .
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百善煤矿主采煤层上方直接覆盖有22~27m的砂砾石含水层,严重威胁矿井的安全生产。
The main target coal seam of Baishan Mine is directly covered with a 22 ~ 27 m thick gravel aquifer , which seriously threatens the safety of mine .
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1997年在国际水文地质学家协会(IAH)中设立了跨界含水层资源管理专业委员会。
In 1997 the International Association of Hydrogeologists has established a professional committee on Transboundary Aquifers Resources Management to promote their study and joint international cooperation .