您要查找的是不是:
- The comprehensive research showed that coalbed methane accumulation is mainly controlled by coal seam thickness,coal petrological composition,coal rank,adsorbability and good preservation conditions. 综合研究表明:该区煤层气富集的控制因素主要为煤层厚度、煤岩组分、煤级、吸附性能和良好的保存条件。
- The paper introduces the sedimentary environment of coal and coal?bearing strata,the properties of coal seams and the causes resulted in the variation of seam thickness in laung mining district,Kalimantan Tengah,Indonesia. ? 介绍了印尼中加里曼丹拉翁煤矿区煤和含煤岩系的沉积环境、煤层特征以及引起煤厚变化的原因。
- Analysis on the Coal Seam Thickness Change and Geological Formation 煤层厚度变化地质成因分析
- Spectral moment method to inverse coal seam thickness by seismic data 地震资料谱矩法反演煤层厚度
- Keywords coal seam thickness;substep drivage;support parameter;support method; 煤层厚度;分台阶掘进;支护参数;支护方法;
- Luocuoshan Minefield Structural Features and Their Influence on Coal Seam Thickness 罗厝山井田构造特征及其对煤层厚度的影响
- Influences of Geologic Structure and Else Factors to Coal Seam Thickness in Dongyang Mine Field 东阳井田构造及其它因素对煤层厚度变化的影响
- Keywords geophysical prospecting information;paleostructure;coal seam thickness;Fux-in basin; 物探信息;古构造;煤层厚度;阜新盆地;
- Influence adaptability of dragline to variation of coal seam thickness during mining operation period of large surface coal mine 露天煤矿拉斗铲作业对煤层厚度变化影响
- Keywords Enhong coal mining district;coalbed methane;coal seam thickness;coal petrological composition;coal rank;adsorbability;reservation condition; 恩洪矿区;煤层气;煤层厚度;煤岩组分;煤级;吸附性;保存条件;
- 1 mine,using ArcGIS software to analyze the data and acquiring surface contour,coal seam floor contour and coal seam thickness isoline in mine area. 影响顶煤垮落和破碎特性的主要地质因素有煤体强度、煤层采深、夹矸层特征、煤层厚度、煤体裂隙、煤层顶板特征等。
- 9 coal seam hosting pattern,coal-forming paleogeography and its evolution,and illuminated the control action of depositional environment toward coal seam thickness. 以勘探资料为基础,对该区9号煤层赋存规律、成煤古地理及其演化进行了分析研究,阐述了沉积环境对煤层厚度的控制作用。
- coal seam thickness 煤层厚度
- Coal miners; coal seams; coal haulers. 煤矿工; 煤层; 运煤工
- coal seam thickness change belt 煤厚变化带
- The main coal seam of Taiping colliery is 11~# coal seam with a thickness of 1.5 m. 太平煤矿主采11%23煤层;煤厚1.;5 m
- Coal seams intermixed with iron ore. 煤层和铁矿混杂在一起。
- From Hales method, reversed refracted wave method shows accuracy and efficiency in detecting the thickness of remained coal seam. 以哈尔斯法为例,将相遇折射波法用于剩余煤厚探测中,具有精确、高效、快速的特点。
- This paper cleals with the organo-facies in the first coal seam of basin, which is variable both in thickness and in quality. 用有机岩石学方法及热解分析法详细研究了这些煤相。
- In flat dip layer, the seam thickness control the stability of the wall rock, the thick-bedded hard rock is stable than the thin-bedded hard rock. 岩层厚度在缓倾斜时对围岩稳定起控制作用,厚层硬岩整体稳定性好于薄层状硬岩。