1) strength of coal seam
煤层强度
2) coal mass strength
煤体强度
1.
Aimed at controlling rocks in soft and thick coal seams, according to the occurrence of coal seam in 11151 working face in Liangbei coal mine, Shenhuo group, Henan province, the influence law between mining thickness, coal mass strength and the abutment pressure, rock deformation was simulated and analyzed with Flac 5.
0数值计算软件模拟分析了煤层采高和煤体强度对工作面超前支撑压力和围岩变形的影响规律,现场实测了梁北矿11151极软厚煤层大采高工作面超前支撑压力的分布规律,实测与数值计算结果相吻合。
2.
A method for determination of coal mass strength through boring is proposed.
提出了利用打钻过程测定煤体强度的方法。
3) coal strength
煤体强度
1.
Then another formula is given to evaluate the coal strength decrease caused by.
取Griffith断裂理论中临界应力为煤体强度指标,给出了煤体吸附气体后强度下降的计算公式,对煤体自由膨胀条件下吸附CH4和CO2强度降低的情况进行了对比分析。
5) coal flux
煤流强度
1.
The reliability model considering coal flux and the function of coal bunker in the system of fully-mechanized coal mining face is erected in this paper.
建立了考虑煤流强度、煤仓缓冲作用的综采采运系统可靠性计算模型,针对南屯煤矿高产高效综采工作面的实际,统计分析得出了综采运输系统主要运输设备运行强度与设备可靠性指标之间的关系,模拟计算了不同煤仓容量对系统可靠性的影响,提出了提高综采采运系统可靠性的主要技术途径。
6) 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
补充资料：表光合强度(见光合强度)
表光合强度(见光合强度)
forecast of sowing or transplanting time
b iaoguanghe qiangdu表光合强度见光合强度
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