rock quality index

用法例句

In the paper,several fractal methods of rock quality are introduced.

介绍了岩石质量评价的分形表述方法。

And,the rock quality of roofs in Liuqiao No.

运用岩石质量的分形评价原理和方法对刘桥一矿钻孔煤层顶板岩芯质量进行了统计、计算和评价,得出:(1)lgp-lgr 呈很好的线性正比关系,岩体裂隙分布具有自相似性,可以用分形来研究岩石(体)质量;(2)钻孔岩石质量的分维值 D_r 一般在0。

Major composition variation sequences and rock mass balance of altered rocks:As evidenced by hydrothermal altered rocks of Shibangou gold deposit in Xixia, Henan;

蚀变岩岩石质量平衡及主要成分变异序列——以河南西峡石板沟金矿热液蚀变岩为例