1.
new developments of underoround mining methods For gentle dip and thin orebodies in foreign countries
国外缓倾斜薄矿体采矿方法的新发展
2.
A TEST OF THEM MINING METHOD FOR MODERATELY INCLINED THIN OREBODY IN DOUNAN MANGANESE MINE
斗南锰矿缓倾斜薄矿体采矿方法的试验研究
3.
Research on Mining Method of Thin and Multilayer Ore Bodies That Sloped Slowly of Yunnan Dayao Copper Mine;
云南大姚铜矿多层缓倾斜薄矿体采矿方法研究
4.
A talk about the orientation of the development of mining gentle dip and extra-narrow orebody by resuing-and-backfilling method
浅论缓倾斜极薄矿体削壁充填采矿法发展方向
5.
Status and development on mining methods and techniques for gently inclined and thin orebody
缓薄矿体采矿方法及其工艺现状及发展
6.
Mining Steeply-inclined Thin Orebody with Medium-deep Hole High Sublevel Stoping Method
中深孔高分段空场法开采急倾斜薄矿体
7.
Discussion on Decreasing the Dilution and Loss Rate of Underground Mining Alumyte of Gently Dipping Thin Ore Body
降低缓倾斜薄矿体铝土矿地下开采损失贫化率方法探讨
8.
Improvement on Mining Method of Extracting Triangle-stope near Outcrop of Steeply-iclined Thin Orebody in Yangguangzhai
杨广寨急倾斜薄矿体近地表三角采场开采方法改进
9.
In mining the extremely fractured thin ore body, the separation of waste rock in the conventional shrinkage stoping was replaced by the separation of the rich ore and retaining the lean ore.
对极破碎薄矿体的开采,采用了将常规的留矿法中分选废石改为分选富矿石留贫矿石的采矿方法。
10.
An Analysis of Thin Layer of Orebody of Ore Mining Stope
云南省砚山县白姑矿段薄层矿体采场开采技术分析
11.
Discrete element analysis for the deformation failure law of roadway stope in the gently inclined and lamellate orebody
缓倾薄层矿体巷式采场变形破坏规律离散元分析
12.
Investigation On Switching To Other Production Of The Thin Coal Seam Mines Of Yankuang Group;
兖矿集团薄煤层矿井转产途径的探讨
13.
Optimization of mining method for steep dip and narrow vein in Bei-Gan-Gou Gold Mine
北干沟金矿急倾斜薄矿脉采矿方法优化选择
14.
any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity.
由含水硅酸铝或硅酸钾等组成的矿物,呈晶体状,能分裂成极薄的片状,具有良好的电绝缘性。
15.
The Parametric Optimization of Working Face in Pillar Mining Method under Shallow Depth of Burial and Thin Bedrock in Mine of ShenDong;
神东矿区浅埋深薄基岩下柱式体系采煤法工作面布置参数优化研究
16.
Consisting of thin, leaflike layers, as of minerals.
叶状薄层组成的由薄的叶状层组成,如矿物质
17.
Making a Breach in Thin- lean,Fully Recycling Mine Resource
开展薄贫矿资源攻关、充分回收矿产资源
18.
EXPERIENCE ON REDUCTION OF ORE-DILUTION IN MINING A THIN-BED URANIUM DEPOSIT
开采薄层铀矿床中降低贫化率的经验