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- Gateway layout in mining block with high gassy seam 高瓦斯煤层采区巷道布置
- Research on support system for adjacent gateways in pressurized high gassy seam 高瓦斯压力煤层中相邻巷道支护研究
- high gassy seam 高瓦斯煤层
- 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。
- high gassy and low permeability coal seam 高瓦斯低透气性煤层
- The gas exhausting is an effective measure which must be taken when gas is over the limit set by regulation in high gassy mine. 摘要瓦斯排放是高瓦斯矿井瓦斯超限后所必须采取的有效措施。
- Based on the typical high gassy mine-Sun Jiawan mine in Fuxin, the experiment of desorption and seepage of coal-bed methane was made under the solid-fluid coupling. 摘要以典型的高瓦斯矿井阜新孙家湾矿为研究对象,利用自主研制的自压式三轴渗透仪,对煤层气解吸和渗流间的相互作用规律进行了实验研究。
- The theory of the gas emission used for high gassy and fully mechanized coal face at the adjacent layers is stated in the paper by means of the theory of stope three dimensional gas flow. 应用采场三维瓦斯流动理论,论述了高沼气综采工作面邻近层瓦斯抽放的基本原理。
- Driving in gassy seam and prevention and cure of gas outburst 突出层掘进与瓦斯突出的防治
- Keyword: high gassy coal mining face; 关 键 词: 高瓦斯工作面;
- Research on gas drainage from goaf of fully mechanized top coal caving mining face in high gassy thick seam 高瓦斯厚煤层综放工作面采空区瓦斯抽放的研究
- Technology of spontaneous combustion control for fully mechanized caving mining in high gassy combustible thick seam 高瓦斯易燃特厚煤层综放开采自燃防治技术
- Comments on ventilation system of fully mechanized caving mining face with high gassy, seam outburst and spontaneous combustion in potential 浅析高瓦斯突出易燃煤层综放工作面通风系统
- Keywords high gassy and low permeability coal seam;deep-hole presplitting explosion;stress waves;cracks growth;vibration superposition effect; 高瓦斯低透气性煤层;深孔预裂爆破;应力波;裂纹扩展;叠加效应;
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- Men and birds are fain of climbing high. 不论人还是鸟都愿意往高处攀。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- Goods of high quality are few and far between these days. 质地精美上乘的物品现在不多见。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- Cause Analysis on Abnormal Gas Emission in Fully Mechanized Face With Caving Mining in High Gassy and Inflammable Seam during Spontaneous Combustion Period 高瓦斯易燃煤层综放工作面发火期间的瓦斯异常涌出原因分析