firedamp limit是什么意思

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The paper discussed the ultimate limited gas content of seam under the high production and high efficient conditions in western mines of Jincheng.

论述了晋城西部矿井要实现高产高效生产情况下煤层极限瓦斯含量,总结了寺河矿井基本建设和生产的实践经验,提出了瓦斯含量的三个区间及相应的瓦斯抽放方法。

Research on prediction of gas contents base on RBF nerves network;

基于RBF神经网络的瓦斯含量预测研究

New technology of outburst danger prediction by gas content;

瓦斯含量法预测突出危险新技术

Discussion on incidence of underground roadway to gas content of coal seam;

巷道对煤层瓦斯含量的影响范围探讨

Through laboratory study, a remarkable influence of organic matter content on dredging solidification effect was discovered; the relationship of organic matter content and unconfined compressive strength of solidified dredging was made clear; a critical organic matter content 4.

通过对不同有机物含量的固化试验揭示了该种影响的规律,发现淤泥中的有机质存在着一个极限含量4。

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。

Mathematical geology technique and method for prediction of gas content and emission

瓦斯含量及涌出量预测的数学地质技术与方法

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

Predicting Model of Gas Content Based on Improved BP Neural Network

基于改进BP神经网络的瓦斯含量预测模型

BP model of gas content prediction based on quantitative assessment of geological structure complexity

基于构造复杂程度定量评价的瓦斯含量预测BP模型

Forecasting in-situ gas content using geological factors based on particle swarm optimization and least square support vector machine

基于粒子群最小二乘支持向量机的瓦斯含量预测

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

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

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

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

Prediction on Gas Emission and Gas Drainage base on Elevation

根据标高预测瓦斯涌出量和瓦斯抽放

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 Width of Gas Drainage Zone in Coal Roadway Based on Gas Emission

基于瓦斯涌出量的煤巷瓦斯排放带宽度研究

Application of Gas Geology Qualification Technology in the Prediction of Gas Emission

瓦斯地质量化技术在瓦斯涌出预测中应用

Research on Constitutive Models and Instability Rules of Gas-saturated Coal

含瓦斯煤岩本构模型与失稳规律研究