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- half coal rock 半煤岩
- Half coal rock lane 半煤岩巷
- Coal rock can be classified as humic and sapropelic coal. 在煤岩的分类中，有腐殖煤和腐泥煤之分。
- Coal rock is the muti-crevasse rock mass and its destruction forms are related with many factors. 煤岩是多裂隙岩体,在荷载作用下的破坏形式多种多样,而且煤岩的破坏与很多因素有关。
- The coal rock is a byproduct in the produce of coal.It not only engrosses a lot of farmlands and soil, but also pollutes the environment seriously. 摘要煤矸石是煤炭生产中的一种副产品，不仅占用大量农田和土地，而且严重污染环境。
- Research shows that maceral and the degree of metamorphism of coal rock are key factors that control the generating and storing capacity of coal rock. 煤岩组分和煤变质程度是影响煤层生储气能力的主控因素。
- The elastic wave parameters characteristics of Datong jurassic coal rock bed are analyzed.It will guide the channel wave seismic exploration in future. 对大同侏罗纪煤田的煤岩层弹性波特征参数进行分析,以便指导今后槽波地震探测工作。
- According to the analysis to the coaly facies,the coal lithotypes,the coal rock composition,the text discusses the influence factor of coal endogenic crack. 文中通过对煤相、煤岩类型、煤岩成分的分析,论述了煤中内生裂隙的影响因素。
- The results show that under these conditions the rock burst is closely related to the coal rock characteristic, mining depth, thickness of strong roof and periodic weighting of roof. 结果表明在此条件下开采时发生的冲击矿压与煤岩性质、采深、坚硬顶板厚度及顶板的周期来压有密切关系。
- Based upon microcal rock and reflectance of coal rock,the paper analyses the heatalteration of ripening index of organic matter.It has practical value for evaluating gas storageconidion of coal bed. 通过研究显微镜质组分、镜质组分反射率，分析了有机质成熟度的热演化趋势，对评价气源岩的储气条件具有实用价值。
- I apportioned half the property to each of them. 我把财产的一半分配给他们各人。
- This paper analyzes the affection to stability of a high coal rock slope caused by the coal gob in a case,makes numeric analysis on this high slop,and appraisals that the slope is stable. 本文分析了某工程含煤岩质高边坡内存在煤洞采空区时对边坡的稳定性影响,并对此高边坡进行了数值分析,对其稳定性作出了一定的评价。
- Mining on conditions that ponding at the same layer of Yongquan mine area,the method and relative technical parameters of leaving the safety protective coal rock pillar are introduced. 介绍了阳泉矿区在有同层积水威胁情况下开采,留设安全保护煤岩柱的方法和有关技术参数。
- She reckoned she had cut her cost by half. 她估计她减少了一半的费用。
- I worried half the night and have a fitful sleep. 我半个晚上都一直在担心，故而时醒时睡。
- He can fling off a poem in half an hour. 他可以在半小时之内草就一首诗。
- Triaxial creep tests on coal rocks are carried out by Step Method and the XTR01 electric-fluid servo compression machine. 使用XTR01型微机控制电液伺服试验机,采用梯级加载法,对煤岩进行了三轴蠕变试验。
- It took him half an hour to finish the work. 他花了半个小时做完这项工作。
- I usually go to bed at half past ten. 我通常十点半睡觉。
- Half the fruit crop froze out in the sudden cold. 一半的水果作物在突如其来的寒流中被冻死。
