1) density of coal zone
煤层密度
2) density separated coal
分密度煤
3) Tight coalbed methane
致密煤层气
4) coal seam thickness
煤层厚度
1.
Spectral moment method to inverse coal seam thickness by seismic data;
地震资料谱矩法反演煤层厚度
2.
Research on coal seam thickness detection by natural Gamma ray in shearer horizon control;
自然γ射线法在采煤机摇臂自动调高中检测煤层厚度的研究
3.
Application of wave impedance inversion in coal seam thickness prediction
波阻抗反演在煤层厚度预测中的尝试
5) thickness of coal seam
煤层厚度
1.
The main geological factors which influenced top coal caving and broken characteristic contain:the strength of coal,the mining depth of coal seams,the features of coal seams with middle band,the thickness of coal seam,the fissures of coal,the roof features of coal-bed,etc.
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。
2.
The BP artificial neural network regression model for seismic attribute and coal seam thickness is established, which has been applied in predicting the thickness of coal seam 13-1 in Xieqiao coal mining area.
介绍了应用地震属性技术预测煤层厚度变化的方法。
6) strength of coal seam
煤层强度
补充资料：煤层气(见煤成气)
煤层气(见煤成气)
coal-bed gas:see coal derived gas
于煤煤层气(c oal一bed gas)以吸附状态赋存 层内部的煤成气。见谋成气。-
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条