Caving process of overlying strata
顶板崩落过程
shallow depth hard overlying strata
浅埋坚硬覆岩
The overlying strata movement is a complicated dynamic process.
矿山开采引起上覆岩层得移动是一个复杂得动态过程。
The study on apparent resistivity change feature of overlying strata
覆岩破坏视电阻率变化特征研究
On fold ages of platform cover and overlying basin strata of South China.
华南地台盖层和上覆盆地层的褶皱时代
Characteristics of the sheared angle in THB strata overlying hidden granites
隐伏花岗岩体上覆地层中剪裂角的特征
Ground behaviour and overlying strata structure of coal face with caving in steep seam
急斜放顶煤工作面的矿压显现和上覆岩层结构
It is a key for mine safe production to ensure the stability of overlying rock strata in stope.
确保采场上覆岩层稳定是矿井安全生产得关键。
There used to be igneous intrusions into coal measures and overlying strata in the Hanxing coalfield.
邯邢煤田煤系及其上覆地层中常有岩浆岩侵入体穿插。
Numerical Analysis on Movement Rule of Overlying Strata of Shallow Coal Seam Covered with Thin Bedrock.
浅埋煤层开采覆岩移动规律数值分析
Study on Effects of Overlying Strata with Faultage on Transfer of Radon in the Process of Coal Oxidation
煤升温氧化过程中含断层上覆岩层对氡迁移影响的研究
Oil shale always has the accompanying relationship with overlying sedimentary tuff or other tuffaceous strata.
油页岩常与上覆沉凝灰岩或其它凝灰质岩石呈伴生关系。
Mesozoic fossil bird beds in West Liaoning with the subdivision and age of their overlying and underlying strata
辽西中生代含鸟层及上下层位的划分和时代
The destruct height of overlying strata is linearly correlation with the compression rate of gangue backfilling.
覆岩破坏高度和矸石充填体压缩率成正线性相关。
Research to Ensure the Height of Displacement Caving Zone in Overlying Strata at Xiashijie Coal Mine Combined Working Face
下石节矿综放工作面上覆岩层位移冒落带高度确定的研究
The fragments and pebbles and their influence on their overlying and underlying strata suggest that they are dropstone deposits.
碎屑和砾石及其对上下地层的影响表明其为坠石沉积。
Study on Numerical Simulation of Height Development Characteristics of Caving Zone and Water Flowing Fractured Zone in Thin and thick Overlying Strata
厚，薄覆岩两带高度发育特征数值模拟研究
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