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- deep part coal seam 深部煤层
- And then studied the area channel flowed along and destructiveness to the coal seam, provide a reference for the mining of coal seam 8 in middle to deep part of the minefield. 并对古河流的流经区域和煤层的破坏程度作了研究,为井田中深部八煤层的开采提供了参考依据。
- deep part coal bed 深部煤层
- deep part coal looking 深部找煤
- Part roof fall accident cause is analyzed in flase top mining in No.5 Coal Seam of Pinggang Coal Mine.The prevention and cure measures are pointed out. 通过对平岗煤矿5%23煤在托伪顶回采时发生的局部冒顶事故原因的分析,提出了解决该问题的防治措施。
- Introduced the technology to control the roof in the gob with man-forced deep drilling and explosion in 14#coal seam as well as to analyze the effect. 介绍14号层人工强制深孔爆破处理采空区顶板的技术以及在实践中得出的经验,并对其效果进行了分析。
- Coal miners; coal seams; coal haulers. 煤矿工; 煤层; 运煤工
- So the similar simulation method is used in research on the instability mechanism and displacement rules of overlying magmata strata at the process of deep coal seam exploitation. 文章以相似模拟实验为手段研究了深部煤层开采过程中高位赋存的岩浆岩的运移机理,得出岩浆岩初次破断为固支梁的下位拉断非全厚破断,且破断后立即失稳;
- The infection of deep part mining to draining of superficid part water bearing ground,thickness of coal bed and obliquity to mining are analyzed. 分析了覆盖破坏的覆岩岩性及结构对地表移动和覆岩破坏的影响,深部开采对浅部含水层疏干、煤层厚度及倾角对开采条件的影响;
- Coal seams intermixed with iron ore. 煤层和铁矿混杂在一起。
- My dear sister, what I am going to tell you all from the deep part of my heart. 亲爱的妹妹,我要告诉你的话,这些都来自我心。
- The Gaussian curvature of No.3 coal seam in Qinshui basin is calculated. 计算了沁水盆地3号煤层的高斯曲率。
- It shows that there is great potentiality in deep part of Shandong province. 表明山东省深部找煤潜力巨大,前景广阔。
- Factors affected coal seam permeability change and its law is analyzed. 分析了煤层透气性变化的影响因素及变化规律。
- The outburst-proneness of 6# coal seam are studied with five indexes. 采用5种指标对该矿6%23煤层冲击倾向性进行了实验研究。
- This film of water is about five miles thick at its deepest part. 这一薄层水最深的部分大约有五英里。
- Coal seams intermixed with iron ore . 煤层和铁矿混杂在一起。
- Coal resources are very rich in Yaojie formation of Middle Jurassic Series in the middle west part of the Basin,and the coal seam gas partially enriches in Yaojie and Tanshanling coal fields. 盆地中西部中侏罗统窑街组蕴藏着丰富的煤炭资源,煤层气局部富集于窑街、炭山岭煤田。
- If you got caught in the deep part of the river, you could easily be swept down stream where there are very dangerous rapids. 如果你卷进深水处,很容易被河水冲下去,卷到危险的急流里去。
- The way and principle of Gaussian curvature method for forecasting natural fracture zones in coal seam are discussed. 摘要论述了高斯曲率法预测煤层天然裂隙发育区的基本原理和方法。