seam gas content是什么意思

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This paper introduces the aims and contents of the evaluation on the seam gas content, and probes into the methods, degrees and workload of the evaluation on seam gas content.

介绍了煤层瓦斯含量评价的目标和内容,就煤层瓦斯含量评价的方法、评价程度和工作量等进行了探讨。

Based on the model test of simulated material, the failure action on seam floor coming from abutment pressure is analysed when top slice of thick gassy coal seam is mined.

通过相似材料模拟实验,分析了含瓦斯厚煤层顶分层开采时支承压力对煤层底板的破坏作用,并根据压力分布和破坏程度对煤层底板裂隙沿深度方向进行定性定量分带,计算出底板最大破坏深度及其位置,探讨了各分带瓦斯运移特征,进而阐述了顶分层开采对下分层的解放作用,为安全、合理开采含瓦斯厚煤层且有效抽排煤层瓦斯提供了理论依据。

Constitutive equations of coal containing methane based on mixture theory;

基于混合物理论的含瓦斯煤本构方程

Additional influence due to adsorption should be considered in study mechanics and deformation characters of coal containing methane.

气体的吸附和解吸作用将引起煤体的膨胀和收缩,研究含瓦斯煤的力学性质和变形特性必须考虑吸附作用对煤体的附加影响。

Based on grey relation theory,a mathematical model of coal seam gas emission and its contributing factors has established.

基于灰色理论分析方法,建立了煤层瓦斯涌出量及其影响因素的数学模型,根据某煤矿14#煤层各影响因素的灰色关联度来对煤层瓦斯涌出情况进行预测;最后对推导结果进行了实际检验。

The actuality of drawing coal seam gas and the suggestions to exploit the gas in Jincheng coal bureau;

煤层瓦斯抽放现状及对晋城矿区瓦斯开发的建议

Borehole sealing mechanism and a new technology for coal seam gas pressure test:a research

钻孔密封机理及新型煤层瓦斯压力测定技术研究

Based on the analyzing of the fold and fracture influences to the coal seam gas occurrence,according to the evolution history of regional geology and tectonic characteristics in Huangling No.

在分析褶皱和断裂构造对煤层瓦斯赋存影响的基础上,根据黄陵一号煤矿的区域地质演化情况和地质构造特征,分析了影响黄陵一号煤矿2号煤层瓦斯分布的主要控制因素,并对井田深部煤层瓦斯的赋存状况进行了预测,对矿井后期的安全生产具有一定的指导作用。

Study on the Characteristics of Gas Content and Emission Based on the Information of Drilling

基于钻探信息的煤层瓦斯含量及涌出特征研究

Research on Influencing Factors of the Gas Content in the Coal Bed with the Method of Desorption

解吸法测定煤层瓦斯含量的影响因素研究

Study on Gas Content Distribution in No.8 Coal Seam of Lubanshan Mine Field

鲁班山井田8号煤层瓦斯含量分布研究

Prediction of Gas Contents By Artificial Neural Network

神经网络法分析煤层瓦斯含量的影响因素

Application of Core Drilling Collecting Rate to Evaluate Seam Gas Content and Distribution

应用钻探岩芯采取率评价煤层瓦斯含量及分布

Technical Progress of Direct Measurement Method for Coal-seam Gas Content in Our Coal Mines

我国煤矿井下煤层瓦斯含量直接测定法的技术进展

Study on the Measurement Method of Coal Seam Primitive Gas Content and the Influencing Factors of Its Errors;

煤层原始瓦斯含量测定方法及误差影响因素研究

Technology of "Coal and Gas Simultaneous Extraction" for High Gassy Coal Seams Group

高瓦斯煤层群“煤与瓦斯共采”技术研究

Energy Releasing Process and Noncontact Prediction of Coal and Gas Outburst

含瓦斯煤突出的能量耗散过程及非接触预测

Study on the Gassy Coal THM Coupling Model and Coal and Gas Outburst Simulation

含瓦斯煤THM耦合模型及煤与瓦斯突出模拟研究

Study on the Factors of Residual gas Content of Broken Anthracite of Sihe Coal Mine

寺河矿无烟煤采落煤残余瓦斯含量变化规律研究

Research on Gas Occurrence Law and Its Practice in Coal and Gas Outburst Seam

煤与瓦斯突出煤层瓦斯赋存规律及应用研究

Deep-hole construction technology of gas drainage for single low-pervious and mellow thick coal seams with water

单一低透松软含水厚煤层瓦斯抽放深孔施工技术

Gateway Layout Technology of High Gassy Thick Seam in Tunliu Mine

屯留煤矿高瓦斯厚煤层巷道布置技术

Gas Comprehensive Management in High Gas Coal Seam in Didao Shenghe Coal Mine

高瓦斯煤层采掘过程中的瓦斯综合治理

On the basic features and practices of coal mine safety culture

煤层群高瓦斯综采工作面瓦斯综合治理技术

New Technique of Driving Cross-cut through Coal Seam with High Bursting Danger

高瓦斯突出煤层石门揭煤后过煤门新工艺

Application of the Maximum Energy Scan of Seismic Wave Field in Predicting Gas Content in Coal Seam

地震波场最大能量扫描法预测煤层瓦斯的应用研究