根据在蚕庄金矿的实践，本文叙述了开采厚度大，矿岩破碎的蚀变岩型金矿床的新方法。
According to the practice made in Can-Zhuang gold mine, this paper made a description on the new method to mine the altered rock type gold deposit of big thickness of broken orebody.
综合分析了开采深度、煤层倾角、煤层开采厚度、工作面斜长等地质采矿条件对底板采动导水破坏带深度的影响。
This paper analyzed the influence of mining depth, coal seam dip, mining height and face length on depth of floor water-conductive fissure zone.
银矿体具厚度大，埋藏浅，易开采的特点。
They are charactered by large thickness, shallow burial and easy mining.
在分析煤厚变化与构造作用之间的关系基础上，研究井田内在开拓开采中的煤层厚度变化规律。
Base on the analysis the relationship between the seam thickness changes and structure function, the paper studied the thickness change law of the seams in coal mining operation in the mine filed.
通过数值模拟和现场实测的方法，研究了司马矿薄基岩厚煤层开采条件下，保证安全开采的极限基岩厚度。
Through the way of numerical simulation and locale measurement, we found the safety utmost bedrock ply at the condition of thin bedrock and thick coal seam in Sima coal Mine.
在分析煤厚变化与构造作用之间的关系基础上，研究井田内在开拓开采中的煤层厚度变化规律。
Base on the analysis the relationship between the seam thickness changes and structure function, the paper studied the thickness change law of the seams in coal mining operation in...
用滚筒式采矿头在起伏不定的微地形上切削海底富钴结壳时，需按开采要求确定其切削厚度。
When the Rotary cutting Drum for mining Cobalt-rich Crust is working on the fluctuant microtopography of sea floor, it's necessary to determine the cutting depth according to the mining requirement.
回填体不仅提高了边坡的稳定性，还为转入地下开采提供了所需的安全覆盖层厚度。
The back filling at the slope bottom not only enhances slope stability, but also provides the safe overlay which is needed in underground mining.
石炭系灰岩为薄层灰岩，对煤层开采有影响的灰岩主要是太原统底部单层厚度超过4米的灰岩层。
The Carboniferous limestone system are thin layers of limestone. Those which influence coal extraction are mainly single layers of limestone over 4m thick at the bottom of Taiyuan system.
煤层厚度变化是影响煤矿开采的主要因素之一。
The seam thickness change is one of the main factors effected on coal mining.
再利用最优井网研究油层厚度、地层渗透率、原油粘度、含油饱和度、边底水等地质参数对开采效果的影响规律。
Then the geological parameters such as reservoir thickness, formation permeability, oil viscosity, oil saturation, edge water and bottom water are researched by using the optimal well pattern.
因此如何确定露天地下联合开采矿山保留层厚度是个重要且有待解决的问题。
Therefore, how to determine the thickness of the reservation layer in such a mining system is an important yet to be solved problem.
急斜煤层水平分段放顶煤开采与缓斜煤层不同，工作面沿煤层厚度的水平线布置，长度短。
The horizontal section top coal caving in steep seam is different from the gently inclined seam.
露天转地下开采矿山地下首采中段安全顶住厚度确定是矿山的关键技术问题，采用MSC。
The determination of safe pillar's thickness in the middle section of the first mining for transferring to underground mining from open pit is the key technical issue for mine. With MSC.
对于煤层内夹石厚度比较大的情况，建议不采用放顶煤开采。
此时为了处理好露天与地下同时开采相互影响的问题，一般采用空场法，它需要在露天坑底部、地下开采第一中段的矿房顶部保留一定厚度境界顶柱。
For a mine to be changed from an open pit to underground stope, the stability of the boundary pillar has direct influences on the safety production of the mine.
此时为了处理好露天与地下同时开采相互影响的问题，一般采用空场法，它需要在露天坑底部、地下开采第一中段的矿房顶部保留一定厚度境界顶柱。
For a mine to be changed from an open pit to underground stope, the stability of the boundary pillar has direct influences on the safety production of the mine.
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