Accurate prediction of the tendency of spontaneous combustion risk in mining coal layers is of great importance in production safety of coal mine.
正确预测开采煤层自燃发火的趋势与危险性，对煤矿安全生产具有重要的指导意义。
The influence of aquifer upon the mining coal seam is estimated.
预测了侏罗系含水层对煤层开采的影响。
The process of mining coal and its combustion is associated with extensive air, water and land degradation.
煤炭开采及燃烧过程与大气、水的污染和土地退化密切相关。
The characteristics of damage, movement, evolution in mining coal bed in weathered zone were discussed mainly.
重点论述了风化带内煤层开采的覆岩破坏移动演化特征；
In order to provide scientific basis for mining coal-bed methane, it is necessary to analyze the pressure on well bottom.
为了给煤层气勘探和开发提供理论依据，必须对煤层气井井底瞬时压力进行分析。
There are plenty of water resources and land resources to be reclaimed in subsided land of mining coal with higher level of underground water on plains.
平原区高潜水位采煤塌陷土地拥有丰富的水资源，地势低洼，土壤接近饱和湿度，为人工湿地的规划建设提供了良好的自然条件。
When mining coal in mine, danger of inflammable explosive damp exists all along, once damp explosion accident occur, normally, it can cause disastrous consequence.
在井下煤炭开采过程中，易燃易爆气体瓦斯危害始终存在，而瓦斯爆炸事故一旦发生，一般会造成灾难性的后果。
On the basis of investigating and analyzing the influence of coal-mining on the groundwater of Taiyuan City, the paper presents measure to protect groundwater during mining coal.
在调查分析太原市煤矿开采对地下水的影响特点等的基础上，提出煤矿开采对地下水的保护措施。
Based on achieved rock movement parameters and experience of mining coal under buildings, determine a kind of optimum method of mining coal under village and take a primary approach.
通过结合矿区已获得的岩石移动参数和已有建筑物下采煤的经验，确定出一种村庄下采煤的最优方法，并进行了初步探讨。
Xinli mining area of Sanshandao gold deposit is the first hard rock mine which belongs to the under-sea deposit in our country, and only Longkou is mining coal under sea in domestic.
三山岛金矿新立矿区是我国第一个进行海底采矿的硬岩矿山，国内仅龙口在海下采煤。
The technique has been successfully used in Xingdong coal Mine and the good results of disposing waste in underground and mining coal resource under the surface building have been realized.
此项技术在邢东矿井得到成功应用，实现了矸石井下处理与建筑物下煤炭资源的开采利用。
In the research field of mining coal, it is a new research direction that three-dimensional graph technology is applied to simulate the production process of fully mechanized coal caving face.
运用三维图形技术模拟综采工作面生产过程是煤炭开采研究领域的一个新方向。
Its mainly used for metallurgical, mining, coal, power plants, ports and industrial enterprises.
其主要用于冶金、采矿、煤炭、电站、港口以及工业企业。
Widely used in hydropower construction, thermal power, construction, building materials, chemical, mining, coal, metallurgy, light industry and other industrial sectors.
广泛的应用在水电建设、火力发电、建筑、建材、化工、采矿、煤炭、冶金、轻工等工业部门。
Mobility between surface mining, underground mining, coal or metal mining sectors may be limited by differences in production technologies and licensing requirements.
表面开采，地下开采，煤或金属采矿行业之间的流动性可能会因生产技术和许可要求的差异而受限制。
Mainly used for cement, mining, coal preparation, power generation, chemicals and building materials sectors.
主要用于水泥、矿山、选煤、发电、化工及建材等部门。
By taking the on-site monitoring and research as a tool, the influence of coal mining, coal pillar size and underwater on the roof stability of coal roadways is analyzed.
阐述了哈拉沟煤矿主采煤层顶板的赋存特征，以现场监测、现场调研为手段，分析了煤层开采、护巷煤柱尺寸及地下水对煤巷顶板稳定性的影响，为今后煤巷顶板稳定性分类及合理支护提供依据。
The stability of tunnel in mining-coal induced subsidence area is a complicated problem because of the influence of tunnel excavation and strata displacement induced by mining.
采煤塌陷区隧洞围岩稳定性，既受隧洞自身开挖的影响，又受洞下采煤引起地层移动的影响，是一个极其复杂的问题。
The stability of tunnel in mining-coal induced subsidence area is a complicated problem because of the influence of tunnel excavation and strata displacement induced by mining.
采煤塌陷区隧洞围岩稳定性，既受隧洞自身开挖的影响，又受洞下采煤引起地层移动的影响，是一个极其复杂的问题。
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