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- coal mining in mined area 旧区复采
- The paper presented a BP neural network model to predict content of coalbed gas based on analyzing explored borehole data of No.13-1 coal bed of Panyi mine in Huainan coal mining area. 以淮南矿区潘一矿13-1煤层为研究对象,在分析勘探钻孔资料的基础上,确定了煤层埋深及厚度、顶底板岩性、地质构造和煤变质程度是影响煤层瓦斯含量的主要因素;
- The fully mechanized caving coal mining under the railway in mine area will result in difficult maintenance of railway because of great deformation and subsidence speed of terrene and railway. 在矿区铁路下进行放顶煤开采所引起的地表及铁路的变形量大,变形速度快,从而导致矿区铁路维护困难。
- The coal mining area is in the center of the basin. 煤矿区位于盆地的中心。
- The discovery of coal mine in the area enriched the people there. 这个地区煤矿的发现使得那里的人民富裕起来了。
- The paper proposes a policy of combining development of CBM in existing mine areas with that in remote area of coal mines in current and future periods of time in China. 本文提出在当前和今后一段时期内,我国煤层气开发宜采用煤矿区煤层气开发和煤矿边远区煤层气开发相结合的策略。
- The difference in antidisarrangement capacity of geological environment determines that there are different enduring capacities against underground mining in different coal mining areas. 在不同构造条件的煤矿区，地质环境的抗扰动能力不同，因而对地下开采的承载能力也就不同。
- Keywords coal mine;hydrogeology in mining area;model 3D system; 煤矿;矿区水文地质条件;三维系统模型;
- Independent Coordinate System Establish Method in Mining Area. 矿区独立坐标系的建立方法。
- There are many coal mines in the north. 北方有许多煤矿。
- Radon Concentration Level in the pits of 24 coal Mines in Zaozhuang Mining Area 枣庄矿区24所煤矿井下氡浓度水平
- Discussion on gas control measure for one pass cutting coal mining face of high gas coal mine in Jincheng mining area 高瓦斯矿井一次采全高综采工作面瓦斯治理
- Analysis on deterioration of ecologic environment in mine area caused by coal mining activity and its prevention counter measures 煤炭开采对煤矿区生态环境损害分析与防治对策
- structure features and seam conditions in Kailuan coal mining area, a geological evaluation was conducted for the mechanized longwail faces in mining arae. 根据开滦矿区煤田构造特征和煤的赋存条件,对矿区的综采工作面进行了地质评价。
- Coal gangue can be used as pavement base course materials of the roads in mining area. 在矿区道路建设中,煤矸石可以做路面基层材料使用。
- The actuality of monitoring system of coal mine in china is introduced. 介绍了我国煤矿监控系统的现状,并由此提出了一种基于电力线通信的煤矿综合监控系统。
- These are mine workers of a small coal mine in north-east of Yunnan. 云南滇东北部的小煤窑的矿工们。
- This product is suitable for dynamic force lead-in circuits in mining enterprises and power circuits in mining area. 本产品适用于煤矿企业动力引入及矿区的电力线路中。
- Somebody told me that Kailuan Coal Mine in Tangshan is a legendary coal mine. 我听别人说,唐山的开滦煤矿可是一座有着传奇色彩的煤矿。
- I knocked into an old friend of mine in the park. 我昨天在公园里碰见一位老朋友。
