With the development of depth in underground mining,the controlling of ground pressure is becoming more and more important.
结合地下采矿工程地压监控的需要,根据矿山的地压活动特点,提出采用远程地压监控技术来对矿山地压进行研究。
The process of the land subsidence caused by underground mining is complicated and systematicness.
地下采矿导致地面沉陷的过程是一个复杂的系统性问题,准确预测因采矿导致的地面沉陷发展趋势,对于规避其危害具有重要的现实意义。
The analysis of 3D elasto-plastic FEM is introduced for calculating the deformation of the ground surface caused by underground mining under thick rock overburden.
介绍了在厚覆盖岩层条件下,确定地下采矿引起地表变形特征的三维有限元弹塑性计算分析工作。
Acquirement of the Pight to Use of Mineral Land--Explanation of "mineral land" by the servitude
采矿用地使用权的取得——以地役权解“采矿用地”之结
The Study on the Property Right Relation and Management Mode of Land Use for Mining;
采矿用地产权关系及其管理方式研究
A place where a placer deposit is washed to extract its mineral content.
砂矿开采地一个用来清洗出有用矿物的砂矿开采地
This paper discusses the renewable method of mine topographic map of underground mining.
论述了井下开采矿井矿用地形图的更新方法。
Application Research of Artificial Jamb in Mining the Gentle Decline Underground Mine
人工矿柱在缓倾斜地下矿开采中的应用研究
In mining mineral resources, a mining enterprise or individual must economize on the use of land.
开采矿产资源,应当节约用地。
The Applied Research for Fine Interpretation of Coalfield 3-D Seismic Exploration;
煤矿采区三维地震精细解释应用研究
In underground mining the method of breaking up ore varies. Huge machines called continuous miners can be used for soft deposits like salt or coal.
地下开采所用的落矿方法有多种。对于盐或煤等松软矿床,可用联合采矿机开采。
Though pick-and-shovel mining is still carfled on in some parts of the world; the common method of breaking up ore is shot-firing.
虽然世界有的地方仍在用手工采矿,但最普遍的采矿方法还是爆破。
Surface mining is only used when the mineral deposit lies near the surface of the ground. For those buried deep in the ground, underground mining is used instead.
露天开采只是在矿床靠近地表时才使用。对深埋在地下的矿床,采用地下开采。
An excavation in the earth from which ore or minerals can be extracted.
矿,矿井采掘矿石或矿物的地下坑道
mine laser geodimeter
【采矿】矿用激光测距仪
To excavate the earth for the purpose of extracting ore or minerals.
开矿,采矿为开采矿石或矿物而挖掘土地
Mine Pillars Mining with Small-scale Coal Mining Approach in Small Coal Mine
小型煤矿采用小进路采矿法的矿柱回采
A vertical, sloping passageway made in the earth for finding or mining ore and ventilating underground excavations.
竖井地面下一竖直、倾斜的走道,用于探矿或采矿及地下作业的通风
To extract(ore or minerals) from the earth.
采掘从地下采掘(矿石或矿物)
An excavation site, as for digging ore.
矿区矿区,如挖矿的采掘地
Surface mining is the process of excavating mineral deposits directly from the surface of the ground without costly shafts or tunnels into the earth.
露天采矿就是不用在地下挖掘费用高昂的井巷而直接从地表采矿的方法。
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号