• The micro fractures are firstly formed in roof above the working face.

    研究表明:工作面上方采空区靠顶板侧岩层首先产生微裂隙

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  • With the use of the RE system, the working face of the lapel-shaper is reconstructed well.

    运用设计系统初步实现了对翻领成型器工作曲面的求逆。

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  • The water-inrush from floor inundates Working face 51101W in Liangzhuang coal mine, Xinwen Mining Group.

    新汶矿业集团良庄煤矿51101W工作面因底板突水导致工作面被淹。

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  • Scraper conveyor is the main conveying equipment in coal mine, has important affect to whole working face.

    刮板输送机煤矿生产重要运输设备对于整个工作面的安全生产起着至关重要作用

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  • Either way, there's something very fundamental about having a normal working face that we need in our society.

    不管是哪种原因,总之我们社会上生存,拥有一张正常活动的面孔非常重要的。

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  • Its range had the larger outstand to outboard working face under the condition of injecting grouts in separate layers.

    离层带注浆覆岩破坏形态和范围工作面外侧突出较大

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  • This paper introduces the floor detection at 103 working face in Wolonghu Coal Mine by the parallel electrical survey system.

    介绍应用并行法采集系统卧龙矿井103工作面进行底板探测

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  • The temperature at underground working face is one of important factors that affect the selection of a mine ventilation design.

    矿井井下气温高低影响矿井通风方案选择重要因素之一

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  • The side leading prospecting technique in underground working face is one of new underground galvanic resistivity prospecting techniques.

    井下工作面超前探测技术矿井直流电阻率探测技术之一

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  • The bore sequence of every working face is random to the multi joint rock drilling manipulator, so the bore task planning is very complicated.

    关节凿岩机械手工作时,完成一个在一定工作面上随机钻孔任务,其孔序规划相当复杂

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  • In order to enhance the efficiency of excavating coal, Beishan coalmine attempts to adopt millisecond delay direct initiation at working face.

    百善煤矿提高采煤效率尝试采煤工作面实行毫秒延期反向起爆

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  • The isolated island working face is surrounded with the goaf and its Surrounding coal column and goaf have a tendency of spontaneous combustion.

    孤岛综放工作面四周采空区相连,四周煤柱工作面采空区易于出现自燃发火。

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  • Gas or smut explosion induced by blasting ignition in the working face of digging and blasting can be prevented by using spray-blasting technology.

    论述了采用喷雾爆破技术可以防止炮掘工作面因放炮火焰引起瓦斯煤尘爆炸事故。

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  • However in the productive practice of mining, the gas gush quantity in dig working face is different with the gas fountain, it often shows abnormity.

    许多矿井生产实践中,掘进工作面瓦斯涌出显示出直接涌出量不一致的特性,常常出现瓦斯涌出异常现象。

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  • On the basis of the burning area moving along the gasification working face, the simple harmonic temperature field in gasification stove is established.

    燃烧沿气化工作面移动基础上,建立了周期性谐式波动的气化炉温度

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  • The test results show that dust concentrations in tunneling working face can be satisfied with the national health standard by a high efficient deduster.

    试验表明采用高效除尘器巷道凿岩工作面进行就地净化循环通风,使工作面粉尘质量浓度符合国家工业卫生标准

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  • Accordingly, the distribution of abutment pressure on the block coal pillar is measured at working face with a steeply inclined seam of the12010 face, NO.

    据此原理,实测得到平煤集团十三矿12010大倾角综放开采工作面走向支承压力区段煤柱侧向支承压力分布

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  • According to simulation results, along with working face being advanced, the failure processes and features, and weighting of overlying strata, were analyzed.

    根据模拟结果分析随着工作面采动和推进,上岩层破断过程特征压特点。

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  • By improving the fully mechanized light caving technology, carrying out in the 1426d working face light caving practice, achieving the goal of safe production.

    通过改进综采工艺1426d工作面进行综采轻放开采实践实现安全生产目标

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  • The fractal dimension of the microseismic activity before and after adjusting the distribution of working face in Jiulongpen region of Mentougou mine is analyzed.

    本文门头沟煤矿九龙盆地区人工开采活动调整前后震活动的分结构变化进行了分析。

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  • Based on analysis of working face, we attempt to explain the mechanism of pressure on mine gas outburst face some, and suggest some prevention and cure Suggestions.

    文章通过工作面的分析尝试性解释对工作面煤与瓦斯突出部分机理提出几点防治建议。

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  • This paper introduces a method to solve optimum length of working face by Fuzzy Programming and Value Engineering Theory. Then an example with its analysis was given.

    本文介绍了模糊规划价值工程理论求解最佳工作面长度方法给出了算,进行了结果分析。

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  • The lead rail was redesigned to make it more high strength, and the rail working face higher rigidity and higher abrasion performance according to the actual situations.

    根据实际情况重新设计了具有较高强度工作面具有高硬度耐磨性导轨

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  • There are great differences between the predicted result using probability integral method and the practical observation under condition of exploiting minimal working face.

    极小工作面开采条件下利用概率积分进行开采沉陷预计时结果现场实测较大偏差

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  • Natural fire in the working face is one of the factors impacting on secure manufacture in mines. Defend and control it effectively has upper societal and economical benefits.

    工作面自燃发火影响矿井安全生产主要因素之一,对矿井工作面自燃发火进行有效预防控制有着较高社会效益和经济效益。

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  • Based on the analysis of gas source at the working face with "three-soft" unsteady coal seam, the authors introduce the principle and method of gas suction by roof-rock drilling.

    前言:通过“三软”不稳定煤层采煤工作面瓦斯来源分析介绍采用顶板岩石钻孔放解决瓦斯问题的原理方法

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  • Based on the analysis of gas source at the working face with "three-soft" unsteady coal seam, the authors introduce the principle and method of gas suction by roof-rock drilling.

    前言:通过“三软”不稳定煤层采煤工作面瓦斯来源分析介绍采用顶板岩石钻孔放解决瓦斯问题的原理方法

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