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- The overburden strata movement is a complicated time and space process. 上覆岩层的运动是一个复杂的时空过程。
- A great deal of analysis and research indicates that the crack damage is controlled by the key stratum in the overburden strata. 大量研究表明,这种裂缝损害受覆岩中关键层的控制。
- The dynamic development of overburden strata is a complicated space-time process due to the influence of conditions of mining and geology. 摘要采动覆岩动态发展过程受地质、采矿条件诸多因素的影响,是一个十分复杂的时空过程。
- A number of in situ Observation and modelling test show that main way of koof breaking movement is intact shear fall of all overburden stratum. 大量观测和模拟实验表明,薄基岩在厚沙覆盖层作用下的整体切落是顶板破断运动的主要方式。
- Based on the strata displacement theory, the deformation and movement of overburden strata caused by mining activity and the impact of collapse on the environment have been studied. 文章基于岩层移动理论,阐述了地下采矿引起的覆岩移动、变形和破坏规律,及地表塌陷对环境的影响特征。
- The coal mine underground micro seismic monitoring system which is made by Shandong University of Science and Technology is used to monitor the behavior of overburden strata of mining face. 通过对监测到的微地震事件定位计算,证实微地震发展演化与采场覆岩破坏密切相关。
- overburden strata bottom ore-drawing 覆岩下底部放矿
- Characters of overburden strata movement of mines and safe mining depth 矿山覆岩移动特征与安全开采深度
- Formation and Distinction of Gas Enrichment Zone in Gob Overburden Stratum 采空区上覆岩层瓦斯富集区域的形成与识别
- Keywords caving method;overburden strata bottom ore-drawing;law of caved ore movement;loss and dilution; 崩落采矿法;覆岩下底部放矿;崩落矿岩移动规律;损失贫化;
- Actual Measuring Method of Failure Height of Overburden Stratum in a Fully Mechanized Caving Stope and Its Application 综放采场覆岩破坏高度的实测方法及应用
- Determination of the Height of Water Flowing Fractured Zone in Overburden Strata Above Fully-Mechanized Top-Coal Caving Face 综放面覆岩导水裂隙带高度的确定
- We can follow the history of life through the strata. 我们可以通过这一层层的地层跟踪生命的历史。
- They represent each society stratum. 他们代表各个社会阶层。
- The older strata gradually disintegrate. 较老的岩层渐渐风化。
- Overburden had concealed the radioactivity. 覆盖层屏蔽掉了放射性。
- The older strata gradually disintegrated. 年代较久的地层逐渐崩解了。
- To overburden with tasks or work. 担负过重的任务或工作。
- They do not constitute a separate class or stratum. 知识分子和青年学生并不是一个阶级或阶层。
- These strata, lying apparently in contact, are in fact abysmally separated. 这些表面上相触的地层实际上相隔很远。
- 今日热词
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