通过采取连续抽采，降低或消除13—1煤层的瓦斯含量和突出危险性，实现安全快速高效的掘进。
Through pulling out gas continuously, the gas quantity was reduced and the gas burst of 13-1 coal bed was eliminated, and safe high-speed driving and high efficiency were realized.
但由于该区煤层瓦斯含量高、浓度大，成为煤矿安全生产的主要影响因素。
But since the high coal bed gas content and concentration largely affected coalmine safety in production.
煤层顶板岩性特征是影响瓦斯含量产生局部变化的因素之一。
Lithological characteristics of the seam roof are one of factors, which lead gas content to change partially.
应用灰色系统理论，建立了预测煤层瓦斯含量的灰色系统GM(1,1)模型，并用残差模型对预测模型进行了修正。
The grey system GM (1, 1) model for predicting gas content in coal seam is established by applying the grey system theory and the prediction model is modified with the residual model.
证明用测井资料预测煤层瓦斯含量是可行的，从而进一步加强了测井资料的实际应用价值。
So it is feasible used the logging data to forecast coal seam gas content, and the applied value is enhance further.
在瓦斯含量较大的煤层采用综掘掘进巷道，由于掘进速度快，出现了瓦斯涌出量过大的现象。
Under gassy coal seam condition, the full-heading development is employed. Because of the fast heading a high rate of gas emission arises.
最后提出了利用煤屑解吸瓦斯流量测算煤层瓦斯压力和瓦斯含量的计算方法和计算公式。
Finally the calculation method and formula of coal methane content and pressure are presented by using the emission rate from broken coal.
煤层瓦斯含量是矿井瓦斯防治的一个基础参数，它对矿井瓦斯涌出量的大小起着重要作用。
Coal seams gas content is basic parameter of gas prevention in coal mine, it make a great action of gas discharging quantity.
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。
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.
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。
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.
依据江西省46个勘查区252个煤样的测试成果，提出了以瓦斯含量作为划分煤层瓦斯风化带的主要指标。
Based on measured data of 252 coalbed gas samples from 46 exploration areas in Jiangxi Province, the main index for gas weathering areas according to gas content data are presented.
掌握各煤层瓦斯含量及瓦斯涌出规律，为有效地采取可靠措施进行瓦斯治理积累了经验，对保证生产杜绝瓦斯事故起到了积极的作用。
To grasp the coal seam gas control content and gas gush rules can efficiently stop gas, avoid gas accident and accumulate gas preventive measures.
未开采煤层瓦斯含量及影响因素研究，是煤矿安全生产的重要基础研究工作，以铁法盆地晓南矿未开采的14#煤层为例，系统分析了影响瓦斯含量的地质因素。
We take the 14# coal seam of Xiaonan coal mine of Tiefa basin as an example and analyse the geologic agent systematically which influences the gas content.
瓦斯含量与煤层埋深、煤厚呈正相关关系，煤层埋深是七星矿井瓦斯含量的主控因素。
Gas content varies directly with depth of burial and working thickness, depth of burial is the main factor which influence the gas emission of Qixing mine.
通过对煤层瓦斯原始含量测量方法的分析和研究，建立了自动调节测量控制系统。
After analysis and study on measurement methods of the original content of the gas, the automatic adjustment measuring system is set.
煤层埋深是陶二井田瓦斯含量的主控因素。
Depth of burial is the main factor which influences the gas quantity of Tao No. 2 coal mine.
煤层埋深是陶二井田瓦斯含量的主控因素。
Depth of burial is the main factor which influences the gas quantity of Tao No. 2 coal mine.
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