The hot new product in Queensland, though, is coal-seam gas.
然而目前昆士兰最热门的新产品是煤层气。
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.
介绍了德国在煤与瓦斯突出危险的研究过程中，用计算方式求煤层瓦斯压力的方法，并对其结果进行了分析对比。
The result shows that the numerical simulation has truly reflected the basic law of gas flow and can predict gas flow quantity from boreholes in coal seam.
研究结果表明，数值模拟准确反映了煤层瓦斯流动基本规律，能够定量预测煤层钻孔瓦斯流量。
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.
通过分析近距离保护层开采、水力掏槽法及边抽边掘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。
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。
Based on the new viewpoint of the interaction between solid deformation and gas leak flow, the mechanism of gas leakage in double deformable coal seam can be understood.
应用煤岩体变形与煤层气(瓦斯)越流相互作用的新观点，研究了双层系统煤层气越流运移的机理。
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.
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。
It is the key to cut through coal seam safely and economically in highway tunnel construction that the fatalness of coal and gas outburst is predicted accurately.
在公路隧道揭穿煤层的施工中，揭煤突危险性的正确预测是安全、经济地揭穿煤层的关键。
This paper mainly researches on the technique of draining long distance pressure relief gas in bed plate tunnel under the circumstance of mining protective coal seam.
本论文主要是针对远程下保护层开采条件下，对底抽巷上向穿层钻孔抽放远程卸压瓦斯技术进行了深入的研究。
Discussed the control factors forming hydrate in coal seam, and analyzed the characteristic of gas hydrate formation and decompose by experiment observe.
探讨了在煤层中瓦斯水合物生成的控制因素，并通过实验观察分析了瓦斯水合物生成和分解的特性。
There are abundant coal and seam gas resources in East Yunnan.
滇东地区有较丰富的煤炭和煤层气资源。
Based on consideration of stress sensitivity of coal seam permeability, the single-phase flow rule of coal-bed gas in coal and cleats is studied by using non-equilibrium adsorption model.
在考虑煤层渗透率应力敏感性的基础上，采用非平衡态吸附模型，研究单相煤层气在煤体和割理中的流动规律。
At the present, the problem which is urgently to be solved in gas discharge is the drilling technology in soft coal seam gas discharge, especially the drilling technology of the deep hole.
目前在瓦斯抽放中急待解决的问题是软煤层瓦斯抽放的打钻技术，尤其是深孔打钻技术。
The excellent rock assemblage of Late Permian coal -bearing rock series in East Yunnan contains abundant seam gas resources.
滇东晚二叠世含煤岩系良好的岩性组合，贮藏了丰富的煤层气资源。
Little faults in coal seam are important for coal and gas outburst prevention and control, and water outburst prevention and control.
煤层小断层对矿井煤与瓦斯突出及矿井突水防治具有重要的实际意义。
The storage, application and forecast of coal seam gas in Hegang mine field are introduced, and the detailed mining area and way for earlier and later stage are provided.
介绍了鹤岗矿务局煤层气储量、利用情况和发展前景，提出了具体开采区域和前、后期的开采方式。
In the low gas face, under the premise of drainage gas with drilling holes, it has established utility to use upper goaf drainage with decompression in self coal seam.
在瓦斯涌出较小的采煤工作面，在不必钻孔抽放瓦斯的前提下，有一定的应用性。
Gas concentrations drop, and the effective gas drainage period of holes is shortened, because pores and cracks in the coal seam become completely developed after gas drainage.
针对煤层钻孔抽放瓦斯后煤层孔隙裂隙发育致使瓦斯浓度下降，钻孔有效抽放期缩短的技术难题，首次提出二次封孔方法。
Aimed at top corner gas management at the low gas blasting face, by upper goaf drainage with decompression in self coal seam, the experience is tried, the effect is obvious.
针对低瓦斯炮采工作面上隅角瓦斯治理，利用本层上采空区泄压释放，进行尝试实验，效果明显。
The principle of increasing gas emission rate by long hole blasting in the crossing hole is discussed. The radius cracked zone in coal seam caused by long hole blasting is calculated.
简要论述了深孔爆破提高瓦斯抽放的机理，以煤体中柱状装药爆炸后的裂隙圈半径进行了计算。
Gas drainage in high gassy coal seam with low gas permeability is always an hard solved significant technology problem in the process of safety production.
高瓦斯低透性煤层的瓦斯抽放，一直是煤矿安全生产过程中的重大技术难题。
If undertaking improvement on unsubstantial technical sectors, it is expected a breakthrough in exploration of the coal seam gas in the Liupanshui area.
指出针对薄弱技术环节进行改进，六盘水地区煤层气勘探可望取得突破。
Methods to define the laneways loose zone of thick coal seam with enriched gas and spontaneous combustion is studied in the article and define the rational the length of sealed borehole.
研究了铜川矿务局下石节煤矿高瓦斯油气共生易自燃厚煤层巷道松动圈的范围，确定合理封孔长度。
The article has introduced the gas geologic features in B4 Coal Seam in Fengcheng Colliery and analyzed the correlation factors of gas occurrence regularity.
本文简要叙述了丰城矿区B4煤层瓦斯地质特征，分析了瓦斯赋存规律相关因素。
Based on laboratory experiments and in-situ observations, it has been proved that outburst of coal and gas in in-seam drivage is a chain reaction process of disc tensile fracture in a working face.
本文通过基础试验和现场观测，证明了煤巷掘进工作面煤与瓦斯突出是工作面煤壁盘形拉伸破坏的连锁反应过程。
Combining with the actual situation in Qianqiu coal mine, the technology for comprehensive gas treatment in spontaneously inflammable and specially thick coal seam is introduced.
结合千秋煤矿实际情况，介绍了易自燃特厚煤层瓦斯综合治理技术。
In the gas accident, Opened outburst coal seam caused accident harm which is particularly serious.
在瓦斯事故中，揭开突出危险煤层造成的突出事故危害尤为严重。
In the closed seam, the pyrogenic rock compressed and compacted the structure coal. There is a stress concentrated at the tip of the structure, which could provide the inner energy for the gas.
火成岩对煤层挤压揉皱形成构造煤，同时构造尖灭端应力集中，提供了足够的瓦斯热力学能。
In the closed seam, the pyrogenic rock compressed and compacted the structure coal. There is a stress concentrated at the tip of the structure, which could provide the inner energy for the gas.
火成岩对煤层挤压揉皱形成构造煤，同时构造尖灭端应力集中，提供了足够的瓦斯热力学能。
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