• 西细庄矿在303工作面首次使用悬移支架开采获得成功。

    The cantilever support mining was successfully applied at No. 303 face in Xixizhuang Coal Mine.

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  • 悬移顶梁组合支架与同类架型相比显示出了更好的适应性和可靠性。

    Compared with other similar types, new type of the combined hydraulic support of suspension roof timber has better adaptability and reliability.

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  • 通过阅读和研究大量有关文献,对长江口潮滩悬移泥沙的输移规律有了较全面的了解。

    The regular behavior of the suspend sediment on the mudflat and intertidal furrows in the Yangtze estuary is summer-ized by the authors through relevant documents and field operations.

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  • 对影响悬移支架放顶煤技术成功应用因素进行了系统分析,并总结出了其主要影响因素。

    This paper analyzes the success application influence factors about the roof caving technology of cantilever support and summarized it's main factors.

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  • 通过矿压观测掌握了该工作面矿压显现规律,为今后悬移支架在蔚州矿区推广探索出一条新路。

    The law of the mine pressure appearance is held by the mine pressure observation. A new road of the cantilever support application and expansion in Yuzhou mine district is explored.

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  • 介绍了液压联接式悬移支架的结构、主要技术参数、工作原理及各主要部件的设计特点和应用情况。

    This paper introduces the construction of the support, major technical parameters, working principle, designing characters and use of fundamental the units.

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  • 本课题在分析了几种简易轻便自移支架的基础上,提出了一种新型支架的架型——悬移顶梁组合支架。

    A new type of the combined hydraulic support of suspension roof timber is designed based on the analysis of simple supports and fully mechanized mining supporter.

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  • 结果显示,长江下游悬移载荷的粒度组成以粉砂、粘土为主,几乎不含砂,分选较差,泥沙来源比较复杂。

    The results show that the suspended sediments of the Changjiang River are mainly composed of silt and clay, and with almost no sand.

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  • 计算表明,潮泵效应在长江河口最大浑浊带悬沙输移中起着重要的作用。

    Computation shows that the "tidal pumping" effect has a significant role in the suspended sediment transport within the turbidity maximum of the Changjiang Estuary.

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  • 最后采用有解析解的算例进行了验证,结果表明该模型可以用于海岸河口的悬沙输移模拟。

    Finally, the model is verified by the examples of analytical solution, the results show that the model can be applied in the suspended sediment model of estuary and coastal.

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  • 潮流流速是水体含沙量变化及悬沙输移的主要动力因素。

    Meanwhile, the current velocity is an important dynamic factor on variation of sediment concentration in water body and...

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  • 潮流流速是水体含沙量变化及悬沙输移的主要动力因素。

    Meanwhile, the current velocity is an important dynamic factor on variation of sediment concentration in water body and...

    youdao

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