1、

Study on the Quantitative Evaluation Technique of Coal-Mining Geological Condition

开采地质条件量化评价技术研究

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2、

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。

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3、

In the paper the main technical features and parameters of EBH/ J-132 roadheader are detailed and its trial production in Wuyang Mine of Lu'an Coal Mining Group is introduced.

本文介绍了EBH/J-132型掘进机的主要技术特点和参数,及其在潞安矿业集团五阳矿试验的情况;

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4、
5、

Yanzhou Coal is already a proven corporate citizen in Australia with a track record in the development of mining and related infrastructure, it added.

它补充表示:兖州煤业已经是经过验证的澳大利亚企业公民,在矿业和相关基础设施的开发上有绩可考。

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6、

Introduce the productive technology and management experience about mining releasing top Coal.

介绍了大兴煤矿综放开采的生产技术和管理经验.

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7、

Design of Key Components of Hydraulic Roof Support Mining Total Height under "Three Soft" and Unstable Coal Seam

三软不稳定煤层一次采全高液压支架关键部件设计

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8、

Analysis on Coal-mining Induced Seismism in Loudi District of Hunan Province

湖南娄底煤田矿山诱发地震的分析

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9、

Combining mining not only improve the throughput but although avoid the destroying to the unmined coal seam;

联合开采不仅仅可以提高生产能力,而且可以避免分别开采造成未采煤层的破坏;

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10、

The water-inrush possibility during mining depth coal layer is assessed.

评价了肥城煤田深部开采底板突水的可能性.

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11、

Applied Experiment of LOQ Type Mining Centrifugal Coupling in Donghai Coal Mine

LOQ矿用离心偶合器在东海煤矿的应用试验

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13、

The research production have same guide value for coal mining at similar conditions.

研究成果对类似条件下的煤炭开采具有指导价值.

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14、

Analyses the migration mechanism of overlying formation of fore-and-aft mining, and the stability influence of roof-floor rock, gains the stress distribution of plastically deforming area form the elasto-plastic stability of coal pillar.

分析了采动影响前后巷道上覆岩层运动、掘巷前后巷道顶底板的岩层及煤柱稳定性;由煤柱的弹塑性稳定性分析中,得出煤柱塑性区应力分布;

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15、

The stochastic assessment method was presented for voltage sags of power distribution system for coal mining.

提出了一种用于煤矿配电系统电压衰减的概率评估方法.

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16、

This paper analyses the innate character of the environmental cost of the coal-mining enterprise.

本论文分析具有煤炭企业特点的环境成本的本质内涵、环境成本的确认和控制方面的理论、方法.

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17、

A coal mine air compressor room of Huainan Mining Industry Group is arranged six L8/ 60-7 air compressors, with the synchronous motor driving directly, excitation counters for excitation power.

淮南矿业集团某煤矿压风机房布置6台L8/60-7压风机,用同步电机直联拖动,励磁柜供励磁电源。

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18、

Exact forecast of mining subsidence is significant for coal mining under buildings, water-bodies and railways.

准确预测开采沉陷对指导“三下”(建筑物下 、 水体下、铁路下)开采实践具有重要意义.

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19、

I was born in Burdine, Kentucky, in the heart of the Appalachian coal-mining country.

我出生在阿帕拉契山脉煤矿区中心的肯塔基州柏定市.

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20、

More than half of Appalachian coal mining is done by the wrenching mountaintop removal method.

阿帕拉契山脉一半多煤矿都采用山巅移除采矿的方法.

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