研究区属高瓦斯矿井，迫切需要查明陡倾挠曲和陷落柱的发育情况。
The study area is in a high mine-gas coalfield, and the detection of the development of deflection and collapse columns is an urgent task.
适用于有低瓦斯矿井煤层采掘工作面、半煤岩掘进工作面的爆破作业。
Suitable for the coal mining blasting work of mines with little gas inside and the blasting work of half coal rock mining.
重庆是全国有名的高瓦斯矿井和煤与瓦斯突出矿井集中的地区，瓦斯资源丰富。
A great many coal mines which are high coal bed methane content are concentrated in Zhohgqing areas. It is abundant in coal bed methane deposits.
重庆是全国有名的高瓦斯矿井和煤与瓦斯突出矿井集中的地区，瓦斯资源丰富。
A great many coal mines which are high coal bed methane content are concentrated in Zhohgqing areas.
我国目前大部分煤矿属于瓦斯矿井，而由瓦斯浓度过高引发的安全事故频频发生。
At present, most coal mines in China are high gas concentration and caused the accidents occur frequently.
实践证明，胶体防灭火技术是适应于高瓦斯矿井的高效、经济、安全的防灭火技术。
The practice showed that the gel fire prevention and control technique is an efficient, economic and safe fire-fighting means suitable for high-ga…
由此得出，降段煤垛与移动抽放相结合的方法是高瓦斯矿井回采工作面瓦斯治理的有效方法。
We can conclude that the method that unites lower-sect coal stack method and mobile drainage method is an effective measure in the control of gas in the working face of high gas mine.
分析论证了在高瓦斯矿井采用双巷掘进的可行性和必要性，并介绍了在杜儿坪矿的实施情况。
Analyzes the feasibly and necessary adopting two-way tulling in suppergaseous, introduces the implementation in Duerping mine.
黑龙江鸡西、鹤岗、双鸭山和七台河四大主要矿区有矿井42个，其中70%都是高瓦斯矿井。
There are 42 mine Wells in four major mine areas, Jixi, Hegang, Shuangyashan and Qitaihe, in Heilongjiang province, China, 70% of which are high gas mine Wells.
黑龙江鸡西、鹤岗、双鸭山和七台河4大主要矿区有矿井42个，其中70%都是高瓦斯矿井。
There are 42 mine Wells in four major mine areas, Jixi, Hegang, Shuangyashan and Qitaihe, in Heilongjiang province, China, 70%of which are high gas mine Wells.
在高瓦斯矿井中，炮采放顶煤工作面的瓦斯治理工作一直是个难题，它严重制约着煤矿的安全生产。
Gas management is a difficult problem at the blasting and caving face in high gas mine. It restricts the safe production of coal mine.
首次运用瓦斯地质理论研究低瓦斯矿井瓦斯异常涌出问题，形成了系统的低瓦斯矿井瓦斯地质规律的研究思路和方法。
The theory of gas geology is applied to study the problem of gas unusual gush at first, and set-ting up systematic research thinking and method of gas geology in the low gas mines.
国内外统计资料表明，高瓦斯矿井发生瓦斯爆炸事故的机率并不是很高，低瓦斯矿井的瓦斯涌出异常区却时有瓦斯爆炸事故发生。
According to domestic and international statistic data, the occurrence probability of gas explosion is not very high, but it occasionally occurs in gas abnormal effusing area of low gas mines.
爆炸是由于瓦斯气体在通风不良的矿井中聚集而产生的。
That explosion was triggered by an accumulation of gas in an unventilated tunnel.
论述了分源预测法原理，并通过实例计算介绍了该方法在新建矿井瓦斯涌出量预测中的应用。
This paper discusses the principles of forecast from different sources, and introduces the application in the new mine gas emission forecast through examples of calculation.
通过对芦岭井田煤层瓦斯地质因素定性定量分析认为，区域地质构造是控制矿井煤层瓦斯的关键地质因素；
Through the qualitative and quantitative analysis of gas geological factors in Luling coal mine, the regional geological structure is the key geological factors of mine coal gas control.
调查人员说，由于断电，矿井内的通风设备停止运行，矿井内瓦斯积聚。
Investigators say gas accumulated during a power outage that shut down the mine's ventilation system.
将模糊控制技术、分形理论中的时间序列分析方法与神经网络技术有机地结合起来，并运用于矿井瓦斯涌出量的预测中。
The paper is to organically combine the time series analysis method and neural network technology in the fuzzy control technology and fractal theory to predict mine gas emission quantity.
通过对矿井瓦斯涌出量时间序列的模糊分形处理，用BP神经网络对影响因素间的非线性关系进行拟合。
After the time series fuzzy fractal processing of the mine gas emission quantity, the non linear relations of the influence factors were combined with BP neural network.
最近几年瓦斯事故发生频繁，瓦斯爆炸夺走了许多矿井工人的生命，给国家造成了重大经济损失。
Gas explosions occur often in some recent years, gas explosions kill mine workers, and make much economic damage.
作者定义了矿井瓦斯积聚信息熵的概念，并给出了其计算关系式。
In this paper, the authors defined the conception of information entropy of mine gas accumulation and gave the calculation formula.
通过分析近距离保护层开采、水力掏槽法及边抽边掘技术防治煤与瓦斯突出原理及实践应用，从而有利于煤与瓦斯突出矿井选择合理有效的防突技术。
The paper researchs the principle of protective seam mining, hydraulic slotting method and executing-digging technology to avoid risk of coal-gas outburst, and its practices in coal mine.
对组合岩梁模型在岩层移动规律研究、地表沉陷控制以及在矿井瓦斯防治中的应用进行了深入地分析。
The applications of the composed rock beam model in ground control, surface subsidence control and gas prevention in coalmine are studied deeply.
瓦斯爆炸评价是矿井安全评价重要单元之一。
The gas explosion evaluation is one of the important units of the mine safety evaluation.
定向钻进技术已经成为煤矿井下抽放瓦斯长钻孔施工成套技术的关键环节。
Directional drilling technique has already become a key link in long broach construction for gas drainage of the mine.
提出了煤矿瓦斯爆炸的安全评价方法，对瓦斯爆炸预防和矿井安全生产具有重要的现实意义。
The method of safety assessment in mine gas explosion was put forward, which has important significance for the accident prevention in mine gas explosion and the safety in mine production.
实践证明，通过对矿井瓦斯的有效抽采，可以使矿井的通风管理、瓦斯治理工作稳步提高，矿井安全可靠度增强。
Practices have proved that effective gas extraction can improve ventilation management, gas control and reliability of work safety in the mine.
灰色预测模型为矿井瓦斯涌出量时间动态数列的预测提供了一条新的途径。
The grey prediction model provides a new way for predicting the time dynamic numerical array of mine gas emission rate.
结合作者的研究经验，介绍了矿井瓦斯传感器目前的状况、近代研究中常用的方法和当前主要的研究方向。
The recent research method and main objective on coal mine methane sensor is explained with research experience and analysis is gived in this paper.
矿井巷道瓦斯积聚是瓦斯灾害事故发生的前提条件。
Gas accumulation in a mine roadway is a prerequisite condition for the occurrence of gas accidents.
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