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karst aquifer system 岩溶含水系统
The lay-like karst aquifer formed by some special strata and fossil karst are very important in the groundwater exploitation in this area. 特殊岩性和古溶蚀形成的似层状岩溶含水层具有重要的开发价值。
Taking Jinan City as an actual case, the way of utilization of artificial recharge to karst aquifer is discussed herein. 文中以济南市为例探讨了雨水回灌岩溶地下水的途径。
Based on pulse test, the pulse response curve and flow recession curve are analysed for studying the structure of karst aquifer medium. 通过脉冲试验，采用测站脉冲响应曲线及流量衰减曲线分析，对后寨河流域含水介质结构进行了研究。
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。
She said the research also will help scientists to better understand the aquifer system of the Yucatan because the crater controls the water supply. 她说：“这样会让这些海洋生物无法使用自己的声纳定位系统来寻找食物。”
Through analyzing the water sampled from different aquifer system, it suggests that obviously different hydrochemical characteristics are present in these kinds of water. 经运用聚类分析方法，进一步电算剖析了地下水类型及不同含水层组地下水水化学成分组合特征。
A mathematical model for groundwater pollution in a leaky aquifer system, which involves main factors relevant to the leaky aquifer system, is presented. 本文提出了一个越流含水层系统地下水污染的数学模型。
This paper investigates a coastal aquifer system consisting of a confined aquifer from up and down by two semi-permeable layers.The suboutcrop of the aquifer is covered by a silt layer. 摘要通过对一个滨海多层含水层系统的考察，该含水层系统由上、下弱透水层和介于中间的承压含水层组成，海底露头处被淤泥层覆盖。
Buried Ordovician limestone fractured and karstic aquifer in Hongshan and Zhaili coalmines had seriously polluted. 淄博市洪山、寨里煤矿区隐伏的奥陶系灰岩裂隙岩溶水污染严重。
Leaky aquifer systems exist extensively all over our country, but there is not yet a model for groundwater pollution in a leaky aquifer system reported. 越流含水层系统在我国分布十分广泛，但国内有关越流含水层系统的地下水污染模型尚未见报导。
normally pressured aquifer system 正常压力含水层系
Keywords karst aquifer;carbon tetrachloride;health-based risk assessment;carcinogenic index; 岩溶含水层;四氯化碳;健康风险评价;致癌指数;
In order to establish the mathematical model for groundwater pollution in a leaky aquifer system, a solute transport equation in consideration of the leakage and pumping is presented. 为建立越流含水层系统地下水污染的数学模型，本文导出了包括越流项和井流项的溶质运移方程。
The geochemical behaviour of heavy metals in river and its effect on shallow aquiferous system of both sides of the river are studied by theoretic calculation and experiments. 通过理论计算和实际试验,研究和分析了河流中重金属元素的地球化学行为及其对两侧浅部含水系统的影响。
I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。