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- classes of surrounding rocks 围岩类别
- The heat and pressure from igneous intrusion cause the alteration of surrounding rocks. 入侵岩浆的热能和压力导致了围岩的变化。
- The results show that the cross-section shapes of roadways strongly influence the stability of surrounding rocks. 结果表明：断面形状对巷道围岩的稳定性有较大影响。
- Sometimes magma does not melt its way to the surface, but acting under the pressure of surrounding rocks, flows underground. 有时岩浆并不一直熔化到地表，而是在围岩压力的作用下在地底下流动。
- In the interaction process of surround rocks and support,the roof beam suffers from loading and unloading experience. 在支架围岩相互作用过程中,支架顶梁有一个先承载后卸载的过程。
- It takes some time to form the phenomenon of zonal disintegration of surrounding rocks with high in situ stress,but the time needed is not too long. 本文阐述了高地应力围岩分区碎裂化现象的形成需要经过一定的时间,但这段时间不会很长;
- The problems such as design of rockfill dam with high core wall, the stability of surrounding rocks and the design of spillway are the key to the project construction. 该工程高心墙堆石坝设计、地下厂房围岩稳定、溢洪道设计等问题是工程建设的关键问题。
- In the drilling construction of submarine tunnel,the damage and fragment of surrounding rocks must be induced by blasting vibration to endanger the safety of tunnel construction. 海底隧道掘进爆破开挖岩石的过程中,爆破振动必然会对隧道覆盖岩石造成损伤和破坏,危及隧道施工安全。
- On the Relation between Alteration of Surrounding Rock and Gold Mineralization in the Xinchen Gold Ore Deposit. 浅谈新城金矿床围岩蚀变与金矿化的关系
- Meanwhile,the works on ranking and selection of influencing factors of terrene surrounding rocks were completed,which can promote the standard of surrounding rock classi fication. 以某轨道交通二期工程中土质围岩岩土为例,利用灰色关联度分析方法,完成对土质围岩稳定性分级影响因素的排序和筛选。
- Pele was in a class of his own as a footballer. 贝利是举世无双的足球健将。
- Direct to the shortage existing in the classification of surrounding rock stability,provide a new method. 针对目前围岩稳定性分类方法存在的不足,给出一新的分类法。
- Based on the idea,a new extensible bolt is designed for large deformation support of surrounding rock. 室内与现场试验证实了新型可伸长锚杆协调围岩大变形的优良性能,可在围岩大变形支护中推广应用。
- He took the ninth position in his class of forty. 他在40 个人的班级里排在第九名。
- The grouting and bolting technique is designed based on analysis of surrounding rock in roadway and actual conditions in spot. 在分析巷道围岩特性的基础上,依据现场实际情况,提出锚注加固技术治理方案。
- In the river valley region,discal phenomena of drilling cores and laminated exfoliation of surrounding rock in the exploration tunnels are obvious. 河谷下切引起的应力集中是显著的 ,河谷地区许多构造形迹及地下工程中出现的若干围岩稳定问题都与此有关。
- It's no easy task to take control of a class of young children. 管住一个班的小孩子可不是件容易的事。
- The results show that the rare earth elem met s characteristic of ore is highly similar to that of surrounding rock in gold ore of Yunnang Mengman. 结果表明,矿石与围岩的稀士元素总体特征非常相似,说明两者稀士来源基本一致。
- This creature can be subsumed in the class of reptiles. 这种生物可以归入爬行动物一类。
- The results show that the differences of stability of surrounding rock mass are markable for dlfferent excavating sequences. 结果表明，不同的开挖顺序，对围岩的稳定性具有显著的影响。
- 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
