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- Coal petrography of main minable coal beds in Shendong mining area and coal pyrogenation in Shenmu are researched in detail, the hydrocarbon potential of different coal components is discussed. 摘要通过系统研究神东矿区主要可采煤层的煤岩特征，以及神木煤的热解试验结果，探讨了不同煤岩组成的生烃性能。
- Based on the actual data of the exploration about the gob of a coalmine, the variety rule of the coal beds below the freeway is studied by the using of FEM during the process of coal mining. 摘要针对某高速公路下伏煤矿采空区的实际勘察资料，使用有限元数值模拟方法对该高速公路下伏煤层随采矿过程的变化规律进行了研究；
- At the same time it analyzes systematically the characteristics of coal petrology and coal quality of mineable or partly mineable coal bedding in Taiyuan Formation. 同时对太原组各可采或局部可采煤层的特征及煤岩煤质特征进行了系统的分析。
- Several coal beds are developed in backswamp deposits. 河漫沼泽上发育多套煤层。
- It is a new way of the utilization of coal bed gas. 为井下抽放煤层气的利用提出了一条新的途径。
- However,recent explorations have shown that the Zhiluo Formation also has some minable coal seams in a certain area. 二道岭矿区侏罗系的成因属鄂尔多斯中生代盆地西缘的陆相碎屑沉积,岩石地层自下而上为富县组、延安组、直罗组和安定组。
- This tongue causes the flat autochthonous beds below to appear arched upward because of velocity pull-up. 就是这个岩舌造成它下面的原生地层由于速度的急增而向上拱起。
- This tongue causes the flat autochthonous beds below to appear arched upward because of velocity pull-up . 就是这个岩舌造成它下面的原生地层由于速度的急增而向上拱起。
- Peter fell down head first; but it was of no consequence, as the bed below was newly raked and quite soft. 彼得头先着地跌了下去；但是并不碍事，因为下面的苗床是新耙好的，所以颇软。
- Coal Bed Methane Drilling and Completion Technology in Western Basin of U.S. 美国西部盆地煤层气钻井和完井技术。
- The abundant plant fossils in coal beds indicate that they originated in warm, freshwater-swampy forests, much as peat bogs form now. 在煤层中出现的大量植物化石表明，煤是形成于温暖的具新鲜水的沼泽森林之中，很像现今的泥炭沼泽环境。
- Preliminary research on structural law of coal bed beneath nappe in No. 对新集二矿推覆体下煤层构造规律进行了初步研究。
- Graphite deposit of Heye was formed by metamorphism of the Permian coal bed. 荷叶石墨矿是由二叠系煤层变质而成的石墨矿床,石墨与煤呈同层异矿关系。
- The extensively presence of coal beds indicates vast hydrocarbon potential in Xihu Sag. 广泛分布的煤层揭示了西湖凹陷广阔的生烃潜力。
- There are many coal beds and various coal ranksni Jixi basin, which is a Mesozoic and cenozoic coal basin. 鸡西盆地是一个多煤层、多煤种的中、新生代聚煤盆地,丰富的煤炭资源为煤成气的形成提供了充足的物质基础。
- Field applications show that this technique can effectively prevent coal beds sloughing and decrease hole problems and drilling accidents. 现场应用表明,该技术能有效地防止煤层坍塌,减少井下复杂情况及事故。
- Came when your home especially when crasher, it can turn your close emergency treatment into difficult equipment, be in next not need when can its fold, collect in another piece of bed below. 非凡是当你家来了个不速之客时，它就会变成你的紧急救难设备，然后在用不着的时候便可以将它折叠起来，收藏在另一张床的下面。
- Radioelement existing in domestic coal beds is discharged into atmosphere,solid and water environment via medium of smoke coal ash and slag etc. 国内煤层中普遍存在的天然放射性核素,通过燃煤产生的烟气、煤灰渣等介质进入空气、土壤和水环境中。
- Arching 275 feet (84 meters) across and 290 feet (88 meters) above the creek bed below, Rainbow Bridge in the Utah desert has been a source of inspiration and wonderment for millennia. 意译：美国地标和国家公园图片。拱状结构275英尺（84米）之间和290英尺（88米）彩虹桥在犹他州的沙漠河床，一直是灵感和千年惊叹的来源。
- In Bijie Coal Field, coal beds are many and steady, coal quality is good and resources are rich, associated with highquality pyrite. 毕节煤田煤层多而稳定,煤质好,资源量丰富,并伴生有丰富的硫铁矿,开采技术条件简单,潜在经济价值可观。
