• Prospective for further study on EME method for predicting rock or coal outburst was presented.

    笔者最后未来冲击矿压电磁辐射预测研究进行了展望。

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  • 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.

    介绍德国瓦斯突出危险研究过程计算方式求煤层瓦斯压力方法对其结果进行了分析对比。

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  • The deformation value of coal body can be served as a criterion for predicting the risk of coal outburst, as well as an assessment of the effect of degassing measures in coal seams.

    变形可以作为预测煤体突出危险性一项指标,并可用于预测抽放瓦斯措施的效果

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  • Tests show that coal with larger porosity, lower strength and higher velocity of gas desorption is more dangerous in hazard of outburst.

    试验表明突出危险非危险煤孔隙率强度小,具有瓦斯解吸速度

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  • 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.

    煤矿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风险来自瓦斯,防突第一位的。

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  • The prediction and forecasting of coal and gas outburst is a complicated and knotty problem.

    瓦斯突出预测预报一个十分复杂棘手问题

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  • Coal and gas outburst is one of the most serious naturaldisasters to hamper the safety states during mining .

    瓦斯突出制约煤矿安全生产最为严重自然灾害之一。

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  • Coal and gas outburst affected by many complicated factors, which are uncertain ones and have randomness and fuzziness.

    瓦斯突出影响因素复杂不确定性问题,即不仅具有随机性具有模糊性。

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  • It makes research for the formation of danger source, conditions for outburst starting, presents several points for the prevention of coal and gas outburst.

    研究突出危险源形成、突出发动条件提出了预防瓦斯突出需要重视的几个问题

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  • 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瓦斯突出指标数据库其它程序绑定在一起组成矿井突出危险等级评价系统

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  • 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.

    为了瓦斯突出事故进行有效预防控制,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

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  • 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瓦斯突出事故原因,有利于今后坪湖矿采取针对性的措施防治煤与瓦斯突出。

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  • The effect rule and mechanism of gas on electromagnetic emission (EME) and the principle of predicting coal and gas outburst with EME were investigated.

    研究瓦斯电磁辐射(eme)影响规律影响机制,对电磁辐射法预测瓦斯突出原理进行了探讨。

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  • The creep mathematical model provides a basis for establishing a comprehensive index of coal and methane outburst possibility.

    含瓦斯蠕变方程导出建立广义的突出危险综合指标提供基础

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  • 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:轴压固定情况突出瓦斯渗透速度随着瓦斯压力的增大而增大。

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  • And distinct grain structure and pores are also found in outburst coal.

    热变质突出各向同性结构、细一中粒镶嵌结构气孔为主。

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  • 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.

    瓦斯突出机理出发,构建多层BP神经网络预测模型煤与瓦斯突出的综合影响因素作为特征向量

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  • 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.

    研究瓦斯煤层所处地球物理瓦斯吸附特性影响,对煤矿安全开采、煤瓦斯放利用以及煤瓦斯突出的预测预报具有重要意义。

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  • 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.

    为了正确预测瓦斯突出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

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  • 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.

    通过分析距离保护层开采水力掏槽边抽边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。

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  • 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.

    煤层瓦斯压力决定煤层瓦斯含量主要因素也是瓦斯突出危险性预测重要参数

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  • Introduce the reasons of gas outburst, and expound the method of determining the relative parameters of coal and gas outburst.

    介绍井下瓦斯突出原因详细阐述了瓦斯突出的有关参数确定方法

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  • The electromagnetic radiation (EMR) technology can forecast coal or rock dynamic disaster, such as coal and gas outburst, rock burst etc.

    电磁辐射监测技术可以预测、预报矿井冲击地压瓦斯突出等煤岩动力灾害

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  • 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预防瓦斯突出的发生。

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  • The developing trend of coal and gas outburst forecasting theory is non-contact continuously dynamic space forecast.

    非接触连续动态空间预测未来瓦斯突出预测理论发展趋势

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  • 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.

    瓦斯突出发生煤矿生产中的一种极其复杂地质动力现象,是煤矿生产严重灾害之一。

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  • 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、地下气化以及煤瓦斯突出具有重要意义。

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  • Coal-gas outburst is one of the major disasters in coal mine, however, the thrown body is direct actor.

    煤与瓦斯突出煤矿井下严重灾害之一,抛出物是灾害发生的直接作用者

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  • The interrelated control of the fault structure, structural coal and gas outburst is the result of a long term function in the geological history and present structural stress field.

    断层构造构造分布及其与瓦斯突出这种相互控制作用地史现今构造应力场长期作用的结构。

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  • The interrelated control of the fault structure, structural coal and gas outburst is the result of a long term function in the geological history and present structural stress field.

    断层构造构造分布及其与瓦斯突出这种相互控制作用地史现今构造应力场长期作用的结构。

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