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- Air shafts of Mengjin Coal Mine crossing four layers of sandstone aquifer,the fissures are easy to grow,shaft walls appear the exudation of water after construction. 孟津煤矿风井井筒穿越四层砂岩含水层,裂隙比较发育,施工后井壁出现渗漏水现象。
- Karst collapse columns, sandstone aquifers in coal measures and transmissible faults are usually hydrogeologic problems in North China type coal measures. 陷落柱、煤系砂岩水和断层导水是我国华北型含煤地层常见的水文地质问题。
- Keywords mine inflow;water filling source;sandstone aquifer;Mosuo River;Taiping coalmine inclined winze; 矿井涌水量;充水水源;砂岩含水层;摩梭河;太平矿暗斜井;
- sandstone aquifer 砂岩含水层
- An aquifer is a water-bearing rock stratum such as sandstone and chalk. 地下蓄水层是一些有水的岩石层, 如沙岩和白垩岩。
- Roll deposits cut across sandstone bedding. 卷型矿床切穿砂岩的层理。
- The carbonate of host bed aquifer has great influence on sandstone type uranium deposit of in-situ leaching. 含矿含水层中的碳酸盐对砂岩型铀矿床的地浸开采影响较大。
- Sand was deposited which hardened into sandstone. 沙经沉积固结形成沙岩。
- Derive the governing flow equation for an aquifer. 推导地下含水层的流体方程式.
- Calculate aquifer properties based on well tests. 利用水井试验数据计算含水层的导水性质.
- The sandstone and shale units are of the same age. 砂岩和页岩单元是同时的。
- Recharge areas are necessary for a healthy aquifer. 补给区对于一个正常的含水层来说是必需的。
- The sandstone shows a more persistent oscillation. 砂岩表示一个更为持久的扰动。
- This channel is filled with cross-bedded sandstone. 该河边充填着具交错层理的砂岩。
- These sandstone bodies form elongate lenses. 这些砂岩体形成伸长的透镜体。
- A house built or faced with brownish-red sandstone. 褐砂石房屋用褐砂石建的或用褐砂石糊表面的房屋
- A stone similar to this kind of sandstone. 蓝矾一种与蓝砂岩相似的石头
- Sometime the term artesian is used to denote a confined aquifer. 有时候人们也用自流含水层这一术语表示承压含水层。
- And its spectacular sandstone topography. 以丹霞地貌著称于世。
- Sandstone is our most recently developed product. 砂岩是我司开拓的新产品。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
