Numerical simulation of influence of water barrier pillars for subsided column on rock failure in mining process;
陷落柱防水煤柱留设对围岩变形影响的数值模拟
This text aiming at the difficulty of subsided column currently in coal mine,launches the discussion.
针对目前煤矿开采面临的陷落柱难题展开研究,首先,简述了小波分析的原理及应用现状并叙述了在解释陷落柱中的应用,其次,采用小波分析方法对三维地震勘探资料进行了特殊处理,然后,通过对小波分析数据体的属性参数的提取来解释陷落柱,从理论模型试验到实际资料的检验,都取得了较好好的效果,为陷落柱勘探这一技术难题作出了新的探索。
To use 3D seismic prospecting in control of coal seam occurrence form has demonstrated its satisfying effects,but for a mine's high yield,high efficiency geological guaranteeing system still need to determine geological anomalous bodies of“barren zone”,subsided column,gob area and coal seam outcrop etc.
三维地震勘探在控制煤层赋存形态方面已取得了令人满意的效果,但矿井高产高效地质保障系统需要准确圈定“无煤带”、陷落柱、老窑采空区、煤层露头等地质异常体。
Analysis for the seismic response characteristics of collapse column;
陷落柱地震响应特征分析
Analysis of water source from the collapse column of Changcun coalmine;
常村煤矿N_2-7陷落柱及其水源分析
Application of the 3D-seismic method to survey collapse column;
三维地震技术在探测陷落柱中的应用
A depression left in a mass of glacial drift, formed by the melting of an isolated block of glacial ice.
锅状陷落冰碛物中留下的陷落，由孤立冰川的雪块融化而成
Research status and outlook of water-inrush from collapse column in China
我国陷落柱突水问题的研究现状与展望
Causes and Countermeasures of Frequent Leakage of Boiler Air Heater
锅炉暖风器泄漏缺陷多发原因及对策
Analysis of SA-335P22 High Pressure Boiler Tube Defect and Its Improving Measure
SA-335P22高压锅炉管缺陷分析及改进措施
Inspection and Analysis on Boiler Stand Pole Lamination Defect in Power Plant
电站锅炉立柱分层类缺陷检验与分析
That net-shot got stuck deeply in the net.
那个落网球深陷网中。
The outer layers of the star would literally cave in.
恒星外层会向内陷落。
The city fell in July.
这座城于7月陷落。
armed capture of a place under siege
被围攻的堡垒陷落.
He walked unwarily into the trap.
他不小心落入陷阱中。
Some of the enamel on this pan is chipped off.
这平底锅上的搪瓷有些已脱落.
Some of the enamel on this pan is chip off.
这平底锅上的搪瓷有些已脱落。
Reason Analysis and Its Countermeasure for CFB Boiler Inner Shedding
CFB锅炉内衬脱落原因分析及对策
A condition of degradation or baseness.
堕落堕落或下贱的状态
The Analysis of Large Diameter High Pressure Boiler Tube Defect and Its Improving Measure
大口径高压锅炉管缺陷分析及改进措施
Analysis and Modification of Design Deficiencies of Wind Supply in Large Size Bagasse based Boiler Made in China
对国产大型蔗渣锅炉布风设计缺陷分析及改进
Analysis and treatment for crack defects in bending waterwall tube of cold ash hopper
锅炉冷灰斗水冷壁弯管裂纹缺陷的分析处理
Analysis and treatment for inner surface iron oxide in boiler connecting pipes
锅炉受热面联络管内壁氧化皮层缺陷分析