UCG is promoted as a relatively clean method of exploiting coal seams that are too deep or thin to be tapped economically using conventional mining.
相对于传统的采矿技术来说，煤炭地下气化技术在开采过深或过浅煤层时更为适用，这种技术不仅开采成本较低，而且开采过程较为清洁。
Don Blankenship, CEO, Massey energy: "Most coal mined by surface mining cannot be deep mined... energy resources would be lost if not surface mined... our company is an energy company," he added.
MasseyEnergy的首席执行官Don Blankenship表示：“采用地表采矿，大多数煤炭不能深采…不采用地表采矿，会造成能源损失…我们公司是能源公司。”
Mining in deep mine generally refers to the mining technology apoted for mining the specific depth coal that is apart from surface.
深矿井开采一般是指为开采距地表特定深度的煤炭而采取的开采技术。
With the increasing depth of coal mining in China, there is an immediate need to improve the strength and durability of high performance concrete used in deep topsoil mine shafts.
随着我国煤矿开采深度的不断加大，对深厚表土层立井井壁所使用的高性能混凝土的强度、耐久性等性质的要求也越来越高。
Wennan colliery of Xinwen coal mining Group is an old coalmine and is mining deep coal layer.
汶南煤矿是新汶矿业集团进入深部开采的老矿井。
We are puzzled by the pervious to water, the underground coal seam fire prevention, the question of deep zone mining and coal mining from incidence in Jixi.
透水、地下煤层防灭火、深部开采问题、大倾角采煤已经成为困扰鸡西煤炭开采的技术问题。
It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinwen coal mine area.
对新汶矿区深部煤巷支护形式的和支护参数的选择具有一定的指导意义。
Along with mining depth becoming deep and coal output increasing, the gas discharge increased, and gas problem of primary mining in coal face becomes important.
随着采煤深度的下延和产量的加大，瓦斯涌出量逐步增加，采煤工作面初采期间的瓦斯问题越来越引起重视。
During open coal mining, short-distance deep-hole blasting brings tremor to nearby constructions.
在露天煤矿开采中，近距离的深孔爆破对于邻近单位建筑物会产生震动影响。
The Langxia landslide is a giant scale deep seated along bedding landslide caused by coal mining, which is now in the creep deformation stage.
下滑坡是由采煤引发的巨型深层顺层滑坡，目前处在蠕动变形阶段。
In China, with coal resource mining in deep-lying being developed, therefore, the main technology problems about prediction and control of surface subsidence are brought out.
随着我国煤炭资源的开采向深部延伸，带来了地表沉陷预测与控制等主要技术难题。
The Youganwo Formation is the main mining horizon where the oil shale lies on the top of coal beds. The sedimentary environment of the oil shale belongs to a moderate deep lake system.
油柑窝组油页岩与煤层伴生，分布在煤层顶部，是最主要的含矿层位，形成于半深湖相沉积环境。
The obtained results were successfully applied in the coal mining, and the large deformation of soft rock in deep roadways could be controlled effectively.
该成果成功地应用于工程实践，有效控制了深部软岩巷道大变形。
It is certainly a new and valuable modeling and testing research platform for studies of both water inrush in coal mines and related mechanical problems in deep mining engineering.
显然，该装置为深部开采中的岩石力学问题以及矿山突水机制与防治的试验研究与测试工作提供了新的、具有重要作用的平台。
It is certainly a new and valuable modeling and testing research platform for studies of both water inrush in coal mines and related mechanical problems in deep mining engineering.
显然，该装置为深部开采中的岩石力学问题以及矿山突水机制与防治的试验研究与测试工作提供了新的、具有重要作用的平台。
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