Study of development geologic conditions can provide a scientific basis for exploration and development of coalbed methane in Panguan syncline of Liupanshui coal field, Guizhou province.
开发地质条件研究将为贵州六盘水煤田盘关向斜煤层气勘探开发提供科学依据。
The paper reviews state of the art ground pressure theory of thin slab in coal mining such as scientific concepts, foundation argumentation, theoretical development and the field application.
文章阐述了采场薄板矿压理论建模的基本思想、立论依据、理论成果及其在煤层的普通开采和放顶煤开采中的实际应用情况；
This paper put forward the concept of districting coal body ahead of mining face into 9 subareas which had respective different crack development characteristic on the basis of mining crack field.
提出了工作面前方煤体采动裂隙分区的概念，将工作面前方煤体分为9个不同的裂隙区，每个区裂隙发育特征不相同。
Hegang coal field is characterised by its numerous coal seams, thick depths and large potential for coalbed methane (CBM) development.
鹤岗煤田煤层发育层数多、厚度大，煤层气开发具有一定潜力。
It is very important to promote the development on the field of coal chemistry by studing deeply on the mechanism of phenolic compounds produced during coal prolysis at lower temperature.
深入研究煤低温热解过程中酚类的生成机理具有典型性和代表性，对促进煤化学研究具有重要的意义。
Jurassic coal resources in Datong coal-field will close to exhausted, and Carboniferous-Permian coal resources in Datong coal-field will become target of large-scale development.
大同煤田侏罗系煤炭资源临近枯竭，石炭二叠纪煤系将成为大规模开发对象。
Jurassic coal resources in Datong coal-field will close to exhausted, and Carboniferous-Permian coal resources in Datong coal-field will become target of large-scale development.
大同煤田侏罗系煤炭资源临近枯竭，石炭二叠纪煤系将成为大规模开发对象。
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