查询词典 coal mining

Base on the simulation experiments , hazardous trace element from coal mining rocks results have shown that the lixivium concentration affected by leaching times, pH, leaching temperatures and most parts of the hazardous element are stable.

结果表明，有害元素大部分以稳定态存在，浸出液浓度受浸泡时间、酸度、浸泡温度影响。

At the same time, the MEMS geophone can be used to monitor the microseismic event of coal mining, water reservoir and hydraulic fracturing through the research of failure location and the ratio of rock fracture can be predicted by counting numbers of acoustic emission.After spent six months to monitor injecting microseism in Ying 11 block of DongXin field using this system and collect abundant microseismic wave files. The result showed that the orientation of injecting fracture was mainly NE90°to NE125°. The maximum horizontal principal stress directions were mainly distributed in NE90°-NE130°range. Analysis of numerical simulation result of reservoir stress in Ying 11 block showed that the maximum horizontal principal stress directions are approximate east-west in central and western region and approximate NE130°at eastern border.

利用该系统对东辛油田营11进行了六个月现场注水微震监测，对监测数据的处理表明营11注水区域裂缝发育方向基本上为NE90°-NE125°；同时营11地区油藏地应力数值模拟结果分析表明其水平最大主应力的方向主要分布在NE90°-NE130°的范围内，研究范围中西北区块的水平最大主应力方向近似为东西向，研究区块的东部边界的水平最大主应力方向近似为NE130°左右，模拟结果与裂缝监测方位相符较好，两者结合给出了这个地区合理开发部署建议。

Finally, based on the data got on the spot, the probability integral method and the finite element simulation were separately used to predict and analyze the collapse development tendency of the No.1203 working face of the Daliuta coal mining area.

最后，根据实测的数据资料，分别运用概率积分法和有限元数值模拟预测分析了大柳塔矿区1203工作面采空区塌陷的发展趋势。

Especially, the subsidence caused by coal mining has been forecast by the way of probability integral. Moreover, with the application of Object Linking and Embedding, the system can draw subsidence contours and predictal results can be visualized quickly.

尤其是采用概率积分的方法对凤台县境内煤矿开采所引起的地表沉陷进行了预测，通过采用OLE技术，实现了开采沉陷等值线绘制及预测可视化。

Stone quarrying and coal mining were also carried out in this vicinity.

采石业和煤矿也在周围开发。

These include coal mining, quarrying, oil drilling, and the injection of wastewater into the ground.

这些活动包括采煤、采石、石油钻探和向地面注废水。

Coal mining deaths have been decreasing in the United States. But last year there were 47, more than double the number the year before. 12 of the deaths resulted from an explosion at the Sago mine in West Virginia.

美国煤矿死亡人数已经不断在减少，但是去年有47人丧失生命，这个数字是前年的2倍多，其中12人死于发生在西弗吉尼亚州的萨戈煤矿爆炸事故中。

This exhibition is a display of recent industrial achievements in Canada, as well as a showplace of our high-tech advances in such areas as aviation, machine tools, electronics, coal mining, power generation equipment, off-shore oil exploration, automobiles, covering all sections of Canadian industry.

本次展会既是加拿大近年来工业所取得的成就的一次展示，同时也是我们在诸多领域所取得的高科技进步的一次展示，如航空、机床制造、电子、采矿、发电设备、近海石油勘探、汽车等，囊括了加拿大工业的所有方面。

This exhibition is a display of recent industrial achievements in Canada, as well as a showplace of our high-tech advances in such areas as ***iation, machine tools, electronics, coal mining, power generation equipment, off-shore oil exploration, automobiles, covering all sections of Canadian industry.

本次展览会展示了加拿大近年来所取得的工业成就，同时也是反映加拿大工业界高科技进步的一个窗口。展出的科技成果设计了各个行业，例如航空、机床制造、电子、煤矿、发电设备、近海石油勘探、汽车等产业。

This exhibition is a display of recent industrial achievements in Canada, as well as a showplace of our high-tech advances in such areas as aviation, machine tool, electronics, coal mining, power generation equipment, off-shore oil exploration, automobiles, covering all sections of Canadian industry.

这次展会展示的是加拿大近年来工业成果，同时也是反映加拿大工业界搞科技进步的一个窗口。展出的科技成果涉及了各个行业，例如：航空、机床制造、电子、煤矿开采、发电设备、近海石油勘探、汽车等产业。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。