Tests show that coal with larger porosity, lower strength and higher velocity of gas desorption is more dangerous in hazard of outburst.
试验表明突出危险煤较非危险煤孔隙率大，强度小，且具有更大的瓦斯解吸速度。
He said the coal fight with nature, there are many uncertain factors, currently the largest coal mine safety management of risk from gas outburst is the first.
他说，煤矿与大自然做斗争，存在很多不确定因素，目前煤矿安全管理最大的风险来自于瓦斯，防突是第一位的。
The prediction and forecasting of coal and gas outburst is a complicated and knotty problem.
煤与瓦斯突出预测预报是一个十分复杂而棘手的问题。
Coal and gas outburst is one of the most serious naturaldisasters to hamper the safety states during mining .
煤与瓦斯突出是制约煤矿安全生产最为严重的自然灾害之一。
The authors have analysed the causes of coal and gas outburst accidents happened in the past years and put forward some countermeasures to prevent coal and gas outburst.
分析了坪湖煤矿历年来发生的煤与瓦斯突出事故的原因，有利于今后坪湖矿采取针对性的措施防治煤与瓦斯突出。
The experimental results are as follows. The gas seepage velocity of outburst coal samples increase with the increase of gas pressure under fixed axial and confining pressures.
试验结果表明：在轴压和围压固定的情况下，突出煤样的瓦斯渗透速度随着瓦斯压力的增大而增大。
The successful application of this method can provide quantitative basis for the division of gas geological unit and the regional prediction of gas outburst.
该方法的成功应用可为瓦斯地质单元的划分和瓦斯突出的区域预测提供定量化依据。
Mechanism of gas outburst and gas explosion in mine was analyzed and studied. The control technology of gas outburst was discussed. The comprehensive utilization technology of gas was raised.
对煤矿瓦斯突出和瓦斯爆炸的机理进行了分析和研究，对瓦斯突出的治理技术进行了论述，提出了对瓦斯综合利用的技术。
The effect rule and mechanism of gas on electromagnetic emission (EME) and the principle of predicting coal and gas outburst with EME were investigated.
研究了瓦斯对电磁辐射(eme)的影响规律及影响机制，对电磁辐射法预测煤与瓦斯突出原理进行了探讨。
The gas pressure is a main factor of deciding gas content in coal seam. It is an important parameter of the dangerous prediction for coal and gas outburst too.
煤层瓦斯压力是决定煤层瓦斯含量的一个主要因素，也是煤与瓦斯突出危险性预测的一个重要参数。
Put the trained neural network, the indexes database of coal and gas outburst and other programs together constituted the system to evaluate the mine outburst dangerous grade.
训练好的神经网络、矿井煤与瓦斯突出指标数据库和其它程序绑定在一起组成了矿井突出危险等级评价系统。
It is very important to mine safe exploitation, gas drawing and predict of coal and gas outburst that adsorption characteristics of coal to gas in geophysical field are studied.
研究含瓦斯煤层所处的地球物理场对煤瓦斯吸附特性的影响，对煤矿安全开采、煤瓦斯的抽放利用以及煤瓦斯突出的预测预报具有重要意义。
It is the key to cut through coal seam safely and economically in highway tunnel construction that the fatalness of coal and gas outburst is predicted accurately.
在公路隧道揭穿煤层的施工中，揭煤突危险性的正确预测是安全、经济地揭穿煤层的关键。
It makes research for the formation of danger source, conditions for outburst starting, presents several points for the prevention of coal and gas outburst.
研究了突出危险源的形成、突出发动的条件，提出了预防煤与瓦斯突出需要重视的几个问题。
Grey cluster assessment of the grey system theory is used to predict the outburst of coal and gas in mine so as to have effective prevention and control on this kind of accident.
为了对煤与瓦斯突出事故进行有效的预防与控制，笔者应用灰色系统理论中的灰色聚类评估方法，对矿井的煤与瓦斯突出进行了预测。
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.
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 relationship between hazard of outburst and characteristic of pore-structure and velocity of gas desorption in coal seams is analyzed on basis of study in laboratory and field site.
通过试验室和现场考察，分析了煤的孔隙结构特征、瓦斯解吸速度与煤的突出危险性的关系。
Introduce the reasons of gas outburst, and expound the method of determining the relative parameters of coal and gas outburst.
介绍了井下瓦斯突出的原因，详细阐述了瓦斯突出的有关参数的确定方法。
Hence, strata control theory can be used in gas extraction and control of coal and gas outburst.
因此，可以利用岩层控制理论指导瓦斯抽采和预防煤与瓦斯突出的发生。
The paper firstly put forward the energy indication of geophysical field of gas outburst in accordance with the mechanically destroyed process of gas outburst and the maximum shearing stress theory.
针对瓦斯突出力学破坏过程，采用最大剪切应力理论首次提出了瓦斯突出地球物理场的能量标志。
Taking an accident of the gas outburst as the example, this paper analyzes the reasons of gas outburst, and advances several Suggestions on preventing gas outburst.
以一起瓦斯突出事故为例，分析了瓦斯突出的原因，提出了预防瓦斯突出的几点建议。
In order to accurately predict the risk of coal and gas outburst, a coal and gas outburst prediction model based on Bayesian network has been put forward in the paper.
为了正确预测煤与瓦斯突出的危险性，提出了一种基于贝叶斯网络的煤与瓦斯突出预测方法。
The influence of gas flow pressure produced in gas outburst on air flow stability is studied and related countermeasures are proposed.
分析了瓦斯突出时产生的瓦斯风压对风流稳定性的影响，并提出了有关的防范措施。
Coal (rock) and gas outburst is one of intense natural disaster, is also a complicated and dynamical phenomenon, caused by stress, gas pressure of coal bed as well as coal structure.
煤(岩)与瓦斯突出是煤矿严重的自然灾害之一，且是一种复杂的动力现象，是地应力、煤层中的瓦斯压力和煤的结构力学性质综合作用的结果。
Based on laboratory experiments and in-situ observations, it has been proved that outburst of coal and gas in in-seam drivage is a chain reaction process of disc tensile fracture in a working face.
本文通过基础试验和现场观测，证明了煤巷掘进工作面煤与瓦斯突出是工作面煤壁盘形拉伸破坏的连锁反应过程。
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。
The result indicated that close Lizhuang fault, coal fork, and sandstone top board was sensitive geology factor influencing gas outburst of the mine.
结果表明，封闭性李庄断层、煤层分岔、砂岩顶板是该矿瓦斯突出的敏感地质指标。
Based on the mechanism of coal and gas outburst, we construct the prediction model of BP neuro-network and make the composite factor of the coal and gas outburst as the feature vector.
从煤与瓦斯突出的机理出发，构建了多层BP神经网络预测模型，将煤与瓦斯突出的综合影响因素作为特征向量。
There are many factors influence gas outburst, rock pressure was one of the important factors, and it was also a new contents to study rock pressure.
影响煤与瓦斯突出的因素较多，矿压对瓦斯突出的影响是其中一项重要的因素，也是现今矿山压力研究的一项新内容。
The research has great significance for gas exploration in coal bed, underground gasification of coal and prevention of coal and gas outburst.
该项研究对于探讨煤层甲烷开发、煤的地下气化以及煤与瓦斯突出具有重要意义。
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