2) contrast of rock and coal seem
岩煤层对比
3) contrast method of coal strata combination characteristics
煤岩层组合特征对比法
4) correlation of coal seams
煤层对比
1.
The author introduces an effective method to carry out correlation of coal seams by application of sulphur content in coal.
利用煤中硫分进行煤层对比是一种行之有效的辅助方法。
5) coal seam correlation
煤层对比
1.
In this paper a preliminary study on coal seam correlation is made with the Grey Rela- tional Analysis of B—Mode.
本文根据文献[1]给出的 B 型关联分析的原理,在煤层对比中进行了初步尝试,取得了较好的效果。
6) seam comparison
煤层对比
1.
Making seam comparison is significant for researching coal-bearing stratum of Erlian Basin Group.
搞好煤层对比,对研究二连盆地群煤系地层具有重要意义。
2.
The seam comparison methods of the symbolized stratum,paleontology,seam quality,logging and other were comprehensively applied to the comparison of the seams in Diguapo Coalfield of Guizhou Province.
综合应用了标志层、古生物、煤层煤质、测井等煤层对比方法,对贵州地瓜坡煤田的煤层进行了对比,结果表明:煤层对比是一项较为复杂的工作,采用单一对比方法难以准确地确定煤层层位,需要多种方法共同使用;研究区煤层对比是采用以标志层为主,煤层煤质、测井曲线为辅的对比方法,煤层对比的效果良好。
补充资料：标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
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