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- separation area water inrush 离层区突水
- These conclusions are confirmed by 1203 coalface in which water inrush occur but sand inrush not occur when mining in Shen-Fu mining area in shaanxi. 大柳塔1203工作面开采只发生了涌水而未溃沙,这和理论计算的结论基本一致。
- Water inrush prediction is an important mine hydrogeological work. 突水预报是一项重要的矿井水文地质工作。
- On these work,we take the outstanding achievement of no water inrush accid... 这些措施对类似矿区的防治水工作具有一定的参考价值。
- With further analysis comparing, the research generalizes the influence of fault to water inrush. 进一步分析比较,研究总结出断层对底板突水的影响作用。
- Therefore, it is great meaning to research the influences of fault to water inrush in floor. 因此,研究断层在底板突水过程中的作用影响,意义重大。
- So setting up fault waterproof pillar is an important measurement which can stop water and prevent fault water inrush. 而留设断层防水煤柱就成为一种堵塞通道、隔断水源,防止构造突水的重要措施。
- The State Department held a meeting today to deploy the Huai River drainage area water pollution prevention and treatment work. 国务院今天召开会议,部署淮河流域水污染的防治工作。
- However, without theoretical calculation, serious accidents such as the water inrush in Shanghai Subway Line 4 occurred. 然而,由于计算理论的不完善,也出现过诸如“上海地铁四号线透水”的重大工程事故。
- According to the model,applying the cusp catastrophic theory the mechanics mechanism of water inrush is analyzed from key stratum of floor. 当满足关键层失稳的充要力学条件时,承压水底板有可能发生失稳突水。
- From investigating at field and laboratory, the coal mining method and its technical parament have a much effect on controling floor water inrush. 通过现场实测和室内研究表明,采煤技术因素对底板突水的影响很大。
- The drainage area water quality monitoring station make an important role of outpost in the rivers' significant pollution accident. 流域水质监测站对发生在江河中的重大水质污染事故中承担着前哨的重要作用。
- In this article, the three seedtimes of the secrity monitoring in air separation area are described, also the performances of the new-style GC with DID and its applications in the security monitoring area of air seperation are introduced. 简述了空分安全监测发展的三个阶段,介绍了新型气相色谱仪的性能及在实验室安全监测方面的应用。
- Satisfying the sufficient mechanics condition for key stratum instability, a water inrush is likely to happen in the floor. 当满足关键层失稳的充要力学条件时,承压水底板有可能发生失稳突水。
- Corresponding researches have rational exploitation and utilization of mining area water supply source,mine water contr... 现行的勘探技术方法有综合物探技术方法、地下水化学及同位素研究和模型技术等。
- Settlements and burial sites separated areas. 遗址分居住区和墓葬区。
- It is pointed out that main factors of water inrush of face are fracture developing degree and watery of sandstone aq... 研究结果对煤矿砂岩水害的有效防治具有重要的指导意义。
- The results show that the suspension whirl field and separation area are determined by medium inlet diameter and shape, the flow ratio and separation density are determined by heavy product outlet. 研究结果表明:旋流器的介质入口口径和形状决定了旋流器内悬浮液涡旋场和物料分选区域的范围;
- A new calculating method for the mechanical behaviours of floors with underground water inrush inlongwall mining is proposed in this paper. 本文针对采场底板的层状结构特征,建立了分析采场底板突水问题的结构模型。
- Water inrush in working face and support failure of the driven roadway caused by underground seepage occur from time to time. 摘要地下水渗流导致巷道掘进工作面突水或成巷段支护失效的灾害在煤矿时有发生。