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- However, in areas with weaker hydrodynamics, or stagnant area, the coal usually has high gas content. 相反,在水动力不活跃地区或滞流水区域,煤层气的含量就比较高。
- Deep-hole presplitting explosion in coal seams with high gas content and low permeability was numerically simulated and analyzed. 摘要针对高瓦斯低透气性煤层,对深孔预裂爆破进行了数值模拟分析研究。
- Cinder cone volcanoes are formed when magmas with high gas contents and high viscosity are blown high into the air during an eruption. 火山渣锥火山是,当爆发时,高气体含量和高粘度的熔岩被喷发到空气中而形成的。
- coal seam with high gas content and low permeability 高瓦斯低透气性煤层
- Study of Gas Emission Characteristic in Long-Wall Top Coal Caving Face with a High Gas Content 高瓦斯综放面瓦斯涌出特征研究
- Analysis of Plane-Parallel Flow Model for Water Injection in Thin Coal Seams with High gas Content 高瓦斯薄煤层注水平面平行流模型分析
- New Thinking About Exploitation of Coal Seams with High Gas Content and Main Problems to be Researched 高瓦斯煤层开采的新思路及待研究的主要问题
- Technology of road driving along next goaf in soft, broken and ignitible sean with high gas content 高瓦斯易燃松软破碎煤层沿空送巷技术
- Theoretic Analysis and Application of Maximum Production Capacity of Coal Mines with High Gas Content 高瓦斯矿最大生产能力核定的理论分析及应用
- high gas content 高瓦斯
- Pneumatic conveying requires comparatively high gas velocities. 气力输送需要比较高的气体速度。
- For measuring exactly on gas content of coal bed,required high core recov ery and short time to hoisting and loa ding. 为了准确测定煤层含气量,要求取心作业必须有高的收获率和尽可能短的提钻及出筒装罐时间。
- Well, what the high gas prices have to do with a bottle of tequila? 高涨的油价和一瓶龙舌兰酒究竟有什么关系呢?
- Generally,the semifinished stabilized gasoline coming from the FCC has more gas content with high temperature when.it enters into the tank. 对于催化裂化装置生产的半成品稳定汽油,一般含气量大,进罐温度偏高,因而对内浮顶结构形式的选择提出了特殊要求。
- Therefore,the conventional gas content measurement is invalid to lignite. 因此,传统的煤层气含量确定方法不适用于褐煤。
- At high gas velocities the circulation of solids becomes appreciable. 在高气速时,固体颗粒循环变得显著了。
- 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 results show that gas geology cell should be taken into account to analyse gas content. 结果表明:对煤层瓦斯含量的分析必须以瓦斯地质单元为区块;
- Direct expose to flame and high gas veloc-ity and high resistance to erosion-abtasion. 可直接接触火焰,耐高速气流冲刷,抗风蚀能力强;