Hydraulic support is the key equipment of the synthetically mechanized coal mining, the dynamic performance impacts on the reliability and safety of the whole mechanized working face.
液压支架作为综合机械化采煤关键设备，其动态性能的好坏直接影响着整个综采工作面的可靠性及安全性。
The node can collect, process and transmit data of gas concentration, co concentration, temperature and humidity of underground working face by microcontroller and wireless transmission module.
该节点通过微控制器和无线传输模块实时采集、处理、传输井下工作面的瓦斯浓度、CO浓度、温度、湿度等数据。
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。
Fully-mechanized Coal Winning is difficult in the production with complex working face.
综合机械化开采对构造复杂工作面生产具有较高的要求。
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。
The experience of water danger reclamation in synclinal axis illustrating at T312 working face is introduced.
介绍了T312工作面向斜轴部水患治理的经验。
Under the influence of fault cut, strong bearing area is formed on the lateral coal body of the end of working face.
在断层带影响下，工作面端头外侧煤体上形成强承载区。
The homemade shearer is a main implement equipment of mine of high yield and efficiency in working face of production coal.
采煤机是综采工作面生产原煤和实现高产高效矿井的主要设备。
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。
Up chamfer, down chamfer and working face must be correctly dressed so that the valve seat can acquire a longer service life.
气门座要获得高的使用寿命就必须对其上、下倒角和工作面进行适当的修整。
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 development trend of scraper conveyor used at working face of underground coal mine overseas is to have greater driving power.
国外用于采煤工作面的刮板输送机的发展趋势是加大驱动功率。
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 phenomenon of gas exceeding the limit usually occurs in working face brings heavy hidden danger to the production safety in coalmines.
回采工作面瓦斯超限现象经常发生，给煤矿安全生产带来重大隐患。
To counter the phenomenon of high temperature appeared in the fully mechanized working face, the main sources of heat flux were investigated.
针对综采工作面出现的高温现象，调查了工作面热流的主要来源。
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。
As for ore drawn by hand or rock loader, the ore drawing quantity of each chute shall be kept uniform to ensure the flatness of working face of stope.
人工出矿或装岩机出矿方式，各出矿穿必须均匀出矿，保证采场工作面平整。
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。
Based on the simulation of the space effect of the working face, the coefficients of displacement relieving at different places from the face are obtained.
模拟了开挖面空间效应，获得了距开挖面不同距离处的位移释放系数。
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。
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。
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