Yangquan mining area has high gas content and gas emission.
阳泉矿区瓦斯含量大，涌出量大。
An electronic system of the portable gas content monitor is described.
介绍了一种便携式瓦斯浓度监测仪的电子学系统。
The flowing groundwater in coal measure can affect the coalbed gas content largely.
煤系中流动的地下水对煤层气的含量影响很大。
Gas content varies as depth of burial, the thickness of roof clay rocks, and working thickness.
瓦斯含量与煤层埋深、煤层顶板泥岩厚度、煤厚呈正相关关系。
Corresponding to the same gas under pressure, with the rise of temperature, and gas content reduces.
相应的在相同的瓦斯压力下，随着温度的升高，瓦斯禽鞋降低。
But since the high coal bed gas content and concentration largely affected coalmine safety in production.
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。
Based on adsorption potential theory, the variable history of gas content in Xinggong coalfield was resumed.
本文采用吸附势理论恢复了荥巩煤田谷山井田煤层含气量变化史。
The bubble of fluid inclusion is much bigger and the gas content is much higher at premetallogenetic period.
相山铀矿田成矿期前的流体包裹体中气泡较大，气体含量较高，表明包裹体捕获时压力较大；
Lithological characteristics of the seam roof are one of factors, which lead gas content to change partially.
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。
This paper describes the method for measuring gas content and gas composition in coal samples obtained underground.
本文介绍了从井下采取的煤样中瓦斯含量及瓦斯成分的测定技术。
So it is feasible used the logging data to forecast coal seam gas content, and the applied value is enhance further.
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。
The gas content is a critical parameter in resource calculation, and target selection and evaluation of coalbed methane.
含气量是进行煤层气资源计算与选区评价的关键。
The problem is that since the increase in the gas content did not occur abruptly, there is no clearly discernible boundary layer.
问题是，气体含量的增加不是突然出现的，因此没有清晰可辨的边界层。
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。
As the soft coal seam is high gas content and low permeability. it has been difficult and key for the coal seam gas extraction.
由于松软煤层的瓦斯含气量高而透气性又极差，一直是本煤层瓦斯抽采的难点和重点。
Lastly, it is pointed out that the middle region with high gas content is a favourable target for exploration of coalbed methane.
最后指出中部高含气量区是最有利的煤层气勘探靶区。
According to the gas content data, regression analysis is used to analyze the impact of various controlling factors to gas content.
根据瓦斯含量数据，运用回归分析方法分析了各种控制因素对瓦斯含量的影响。
These factors will decide the physical chemistry properties of hydrate, such as its structure, reaction velocity, gas content, etc.
这些因素制约着水合物的生成结构类型、反应速度和含气量等物理化学性质。
Yanma minefield, a block with large gas content, coal thickness variation in structure, is controlled by Fenghuangling Fault and Yuhe Fault.
演马井田是受凤凰岭断层和峪河断层控制的断块，瓦斯含量较高，构造煤厚变化大。
In order to predict coal bed gas content quantitatively, a BP neural networks model was established using a BP neural networks prediction method.
为了对煤层含气量进行定量预测，采用BP神经网络预测方法，建立了煤层含气量预测的BP神经网络模型。
The gas content in the column flotation is one of the key parameters to determine the recovery capacity and separation efficiency of flotation column.
浮选柱气含率的大小是影响浮选柱精矿回收能力和实际分选效果的重要参数之一。
At the same time, with analyzing the controlling factors of natural gas content, the influence of the mudstone seal on the production is also considered.
同时，在分析天然气不同含量的控制因素时，考虑了泥岩盖层对产量的影响。
The seam gas content was logarithmic related to the seam vibration wave attenuation parameter. The gas content was linearly related to the quality divisor.
瓦斯含量与煤层衰减系数呈对数相关，与品质因子呈线性相关。
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.
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。
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.
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。
Factors such as buried depth, volatile matter of raw coal, water content and ash content in raw coal can produce influence upon gas content to some extent.
分析认为：研究区煤层气含量各煤层差异性较大，埋深、原煤挥发分、原煤水分、灰分产率等因素对煤层气含量均有一定的影响。
The reservoirs of the medium rank coal characterize low gas content, low gas saturation, good permeability, and high energy in Hedong area of Shanxi, China.
中国山西河东地区中阶煤储层的含气量比较低、含气饱和度低，而储层渗透性好，储层能量比较大；
The reservoirs of the medium rank coal characterize low gas content, low gas saturation, good permeability, and high energy in Hedong area of Shanxi, China.
中国山西河东地区中阶煤储层的含气量比较低、含气饱和度低，而储层渗透性好，储层能量比较大；
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