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。
With the use of the RE system, the working face of the lapel-shaper is reconstructed well.
运用设计的求逆系统初步实现了对翻领成型器工作曲面的求逆。
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。
Scraper conveyor is the main conveying equipment in coal mine, has important affect to whole working face.
刮板输送机是煤矿生产的重要运输设备，对于整个工作面的安全生产起着至关重要的作用。
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，总之我们在社会上生存，拥有一张正常活动的面孔是非常重要的。
Its range had the larger outstand to outboard working face under the condition of injecting grouts in separate layers.
离层带注浆时的覆岩破坏形态和范围向工作面外侧突出较大。
This paper introduces the floor detection at 103 working face in Wolonghu Coal Mine by the parallel electrical survey system.
介绍应用并行电法采集系统，在卧龙湖矿井103工作面进行底板探测。
The temperature at underground working face is one of important factors that affect the selection of a mine ventilation design.
矿井井下气温高低是影响矿井通风方案选择的重要因素之一。
The side leading prospecting technique in underground working face is one of new underground galvanic resistivity prospecting techniques.
井下工作面侧帮超前探测技术是矿井直流电阻率探测新技术之一。
The bore sequence of every working face is random to the multi joint rock drilling manipulator, so the bore task planning is very complicated.
多关节凿岩机械手在工作时，完成的是一个在一定工作面上随机的钻孔孔序任务，其孔序规划相当复杂。
In order to enhance the efficiency of excavating coal, Beishan coalmine attempts to adopt millisecond delay direct initiation at working face.
百善煤矿为提高采煤效率，尝试在采煤工作面实行毫秒延期反向起爆。
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均与采空区相连，其四周煤柱和工作面采空区易于出现自燃发火。
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的瓦斯、煤尘爆炸事故。
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.
而在许多矿井的生产实践中，掘进工作面瓦斯涌出量却显示出与直接源涌出量不一致的特性，常常出现瓦斯涌出异常现象。
On the basis of the burning area moving along the gasification working face, the simple harmonic temperature field in gasification stove is established.
在燃烧区沿气化工作面移动的基础上，建立了周期性简谐式波动的气化炉温度场。
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，采用高效除尘器对巷道凿岩工作面进行就地净化循环通风，能使工作面粉尘质量浓度符合国家工业卫生标准。
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，实测得到了平煤集团十三矿12010大倾角综放开采工作面走向支承压力和区段煤柱侧向支承压力分布。
According to simulation results, along with working face being advanced, the failure processes and features, and weighting of overlying strata, were analyzed.
并根据模拟结果，分析了随着工作面采动和推进，上覆岩层的破断过程、特征与来压特点。
By improving the fully mechanized light caving technology, carrying out in the 1426d working face light caving practice, achieving the goal of safe production.
通过改进综采轻放工艺，在1426d工作面进行综采轻放开采实践，实现了安全生产目标。
The fractal dimension of the microseismic activity before and after adjusting the distribution of working face in Jiulongpen region of Mentougou mine is analyzed.
本文对门头沟煤矿九龙盆地区人工开采活动调整前后的微震活动的分维结构变化进行了分析。
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.
文章通过对某工作面的分析，尝试性地解释了矿压对工作面煤与瓦斯突出的部分机理，并提出几点防治建议。
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.
本文介绍了用模糊规划及价值工程理论求解最佳工作面长度的方法，并给出了算例，进行了结果分析。
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且工作面具有高硬度和耐磨性的导轨。
There are great differences between the predicted result using probability integral method and the practical observation under condition of exploiting minimal working face.
在极小工作面开采条件下，利用概率积分法进行开采沉陷预计时结果与现场实测有较大偏差。
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.
工作面自燃发火是影响矿井安全生产的主要因素之一，对矿井工作面自燃发火进行有效的预防与控制，有着较高的社会效益和经济效益。
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：通过对“三软”不稳定煤层采煤工作面瓦斯来源的分析，介绍了采用顶板岩石钻孔抽放解决瓦斯问题的原理和方法。
The lag distance of abutment pressure behind working face increases, but the convergence coefficient of vertical stress doesn't change obviously with the increase of mining height.
分层开采与综放开采工作面滞后支承压力变化规律是，随着采高的增大，工作面滞后支承力的距离加大，垂直应力集中系数差别不大。
The lag distance of abutment pressure behind working face increases, but the convergence coefficient of vertical stress doesn't change obviously with the increase of mining height.
分层开采与综放开采工作面滞后支承压力变化规律是，随着采高的增大，工作面滞后支承力的距离加大，垂直应力集中系数差别不大。
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