1) hard ore
坚硬矿石
1.
When a slot is cut in middle length hole post and stall method with hard ore,it is often used to cut raise or to cut raise and entry.
坚硬矿石内中深孔房柱法切割立槽的开掘,通常使用切割天井拉槽法或切割天井与切割平巷联合拉槽法。
2) hard rock
坚硬岩石
1.
Characters near strong impact loading zone in hard rock;
坚硬岩石在强冲击荷载作用近区的性状研究
2.
Aiming at the problem of poor blasting effects that exists universally in hard rockst,he middle deep hole blasting tests were done in hard rock tunnels at Shuangyang Mine;and the blasting test results of different kinds of cutting forms have been gotten.
针对普遍存在的硬岩中爆破效果差的问题,在双阳煤矿坚硬岩石巷道进行中深孔爆破试验,得到各种不同掏槽形式爆破的试验效果,通过比较得出复式桶式掏槽完全适合于中深孔爆破,炮眼利用率高。
3.
This paper expounds the Application of presplit controlled blasting technique in the hard rock blast,and introduces the general situation of the engineering,the design scope,the drill-and-blast technical parameters,the structure of charging and explosive load,the blasting network,and the firing order,etc.
阐述了预裂控制爆破技术在坚硬岩石爆破中的应用,介绍了工程概况、设计范围、钻爆技术参数、布孔方式、装药结构及装药量、爆破网络、起爆顺序等。
3) hard rocks
坚硬岩石
1.
Through analysing the drillability and blastability of hard rocks according to characters of hard rocks, suitable blasting parameters and operation way are selected, and good blasting effect is obtained.
针对坚硬岩石岩性特征 ,通过对其可钻性与可爆性分析 ,选取适宜的爆破参数及作业方式 ,获得良好的爆破效果。
4) super-hard rock
极坚硬岩石
1.
According to the energy-delivering model of the drilling steel in super-hard rock, This article adopts ANSYS three dimensions simulation finite element analysis(FEA) software and the methods of the dynamics harmonic analysis, has analyzed the stress state and deformation of the “Flying Dragon” series number ZQ25-2041 integral drilling steel when it bears percussive stress wave.
依据极坚硬岩石条件下冲击凿岩钎具的能量传递模型 ,以“飞龙”系列ZQ2 5 - 2 0 4 1整钎为例 ,在ANSYS平台上做了动力谐响应分析 ,由此确定了危险工作频率 ,能为在此条件下钎杆的疲劳寿命的预测提供理论支
6) hard mineral
硬矿石
补充资料：采出矿石
采出矿石
extracted ore
CO}Chu kuongshl采出矿石(extraeted ore)经过一系列的采矿作业，从矿体上分离下来并运出采场的矿石。矿体开采(落矿和出矿)过程中产生矿石损失和贫化是不可避免的，因此采场采出矿石中的工业储量小于采场报销的工业储量，采出矿石品位低于工业储量品位。采出矿石量等于采出的工业储量和混人其中的废石量之和。采出矿石的数量(QC)与报销工业储量(Q)(单位为t)、矿石回采率(HK)、废石混入率(F)之间关系为 ~QHK Qc一子二二答 1一F采出矿石品位(C(一)与工业储量品位(C)、矿石贫化率(P)之间的关系为 Cc一C(1一P) (刘兴国)
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