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。
The paper describes the computation method of seam gas pressure in the research on gas and coal outburst in Germany. Analysis and comparison are made on the obtained results.
介绍了德国在煤与瓦斯突出危险的研究过程中，用计算方式求煤层瓦斯压力的方法，并对其结果进行了分析对比。
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 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。
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 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。
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。
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。
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。
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。
Coal and gas outburst affected by many complicated factors, which are uncertain ones and have randomness and fuzziness.
煤与瓦斯突出影响因素复杂，是不确定性问题，即不仅具有随机性，又具有模糊性。
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。
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。
In this paper, geo-dynamic zoning method was used to research regional geology structure, multi-factor pattern recognition method was applied to predict regional coal and gas outburst danger.
文中通过地质动力区划方法确定区域地质构造背景，采用多因素模式识别概率预测方法完成煤与瓦斯突出危险性的区域预测。
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。
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。
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 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。
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。
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。
The neighborhood of branching mergence line of Wu 9-10 coal bed is the belt of gas outburst and the counterparts of other coal beds may be the dangerous belts of gas outburst.
戊9 - 10煤层分叉合并线附近为煤与瓦斯突出带，其他煤层分叉合并线附近可能形成煤与瓦斯突出危险带。
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。
There is a sign before coal and gas outburst-acoustic emission, but a lot of noise included in acoustic emission affects reliability of prediction severely.
煤与瓦斯突出前有征兆显现——煤体声发射，然而实际采样到的煤体声发射信号往往含有许多噪声，严重影响了预测可靠性。
The coal and gas outburst is an extremely complex geological power phenomenon that occurs in the coal mine production, is one of most serious disasters in the coal mine production.
煤与瓦斯突出是发生在煤矿生产中的一种极其复杂的地质动力现象，是煤矿生产中最严重的灾害之一。
Coal-gas outburst is one of the major disasters in coal mine, however, the thrown body is direct actor.
煤与瓦斯突出是煤矿井下严重灾害之一，而抛出物是灾害发生的直接作用者。
The intermolecular force of deformed coal is relatively small, the deformed coal has low strength and high adsorption capacity, and those determine the outbreak of coal-gas outburst.
构造煤分子间的作用力小，决定了构造煤强度低和吸附性能高，从而控制了煤与瓦斯突出灾害的发生；
The intermolecular force of deformed coal is relatively small, the deformed coal has low strength and high adsorption capacity, and those determine the outbreak of coal-gas outburst.
构造煤分子间的作用力小，决定了构造煤强度低和吸附性能高，从而控制了煤与瓦斯突出灾害的发生；
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