rock character parameters 岩性参数
analysis on rock character 岩性分析
drilling character of rock [矿业] 凿岩性
mechanical character of rock 岩石力学性质
thermal-physical character of rock-soil body 岩土体热物性
rock acoustic character 岩石声波特征
the rock dynamic character 岩石力学性质
rock physical character smple 岩矿石物性标本
Rock thermal fracturing is affected not only by rock character and structure, but also by heating mode and velocity.
岩石受热破裂不仅受到自身性质和结构的影响,还受到加热方式和加热速度的影响。
Some basic blasting parameters are given by calculating and the process is introduced on the discussion of pre-crack explosion of different rock character.
本文对白云鄂博铁矿主采场不同岩性中的预裂爆破进行了探讨,通过计算给出了一些基本的爆破参数,并详细介绍了预裂爆破施工组织过程。
The test result shows the penetration rate of the bit is closely related to the transmission ratio, cutter teeth structure, rock character and drilling parameters.
试验结果表明,钻头的机械钻速与传动比、齿面结构、岩石性质及钻井参数有密切的关联,为改进这两种钻头的设计提供了重要依据。
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