| 1. | Numerical simulation research to the coal pillar leaving under different mining condition in air gate of lin huan coal mine
临涣矿风巷不同采动条件煤柱留设数值模拟研究 |
| 2. | Characters of mesozoic stratum in gongpo spring basin and analyses about the uranium mine condition of the type of sandstone of beishan in ganshu
甘肃北山公婆泉盆地中生代地层特征与砂岩型铀成矿条件分析 |
| 3. | Abandoned oil field may be used to mine by the way of using pours water , the synthesis mining condition is extremely superior and has good economic efficiency
可利用中原油田废弃的油井，采用注水法采矿，综合开采条件十分优越，具有较好的经济效益。 |
| 4. | Aimed at the status - quo of full - mechanized caving mining face in chaijiagou colliery , optimization design is made to make it more suitable for the mining conditions of this colliery , exert better the advantage of full - mechanized caving mining and recover coal resource furthest
摘要针对陕西集华柴家沟煤矿综放工作面现状，对其进行优化设计，使综放工作面设计更加适合该矿开采条件，更好地发挥综放开采的优越性，最大限度地回收煤炭资源。 |
| 5. | Main works : fractal and mechanism of forming fractal of fault surface in rock masses is analyzed and examined with it ' s affect on failure process of mining rock masses ; fractal curves are constructed with matlab to simulate the fault surface . similar material modeling is carried out and the fractal weak - face effect of mining rock masses is studied . mechanics character of rock masses with fractal fault in mining condition is simulated with large finite element software an sys ; catastrophe model of fault activated by mining is constructed with catastrophe theory
主要工作有：检测和分析了岩体断层面的分形性和断层面分形的形成机制及其对采动岩体破坏的影响机理；运用matlab构造了分形曲线来模拟分形断层面，进行了相似材料模拟实验，研究了采动岩体的分形弱面效应；采用大型有限元软件ansys模拟了含有分形断层面的岩体在采动条件下的力学性态；运用突变理论建立了采动断层活化的突变模型。 |
| 6. | Based on the geological and mining conditions and occurrence characteristics of loose aquifer of xinglongzhuang colliery , water bursting cause of 4303 full - mechanized caving mining face under loose aquifer was analyzed , the prevention measures of the 3rd aquifer and reasonable dimension of coal pillar for sand proof were discussed in this paper
摘要根据兴隆庄煤矿地质采矿条件，结合松散含水层赋存特征，分析了四采区4303综放工作面第四系松散含水层出水的原因，探讨了防治三含水的技术途径和留设防砂煤柱的合理尺寸。 |
| 7. | Fractal character of fault surface is studied and analyzed with fractal theory n catastrophe theory and similar material modeling fem numerical simulation . at the same time the effect of fault surface on the failure regularity of rock masses is discussed . stress - strain distribution regularity of rock masses with different fractal fault in mining condition is analyzed
本文运用分形、突变理论及相似材料模拟实验、有限元数值计算等手段，研究、分析了断层面的分形特征，探讨了断层面的存在对于岩体移动规律的影响，分析了含有不同分形维数断层面的煤岩体在采动条件下的应力应变分布规律。 |
| 8. | In view of the production and ore body mining conditions in taochong iron mine and by means of laboratory simulation and scheme optimization , it was suggested to wholly apply an ore drawing system at low dilution ratio . a complete industrial application system has been formed through over two years industrial test and application and achieved good economic benefit
针对桃冲铁矿生产状况及矿体开采技术条件，利用实验室模拟、方案优化等手段，提出了全矿全面应用低贫化放矿体系，并在矿山进行了2年多的工业试验与应用，形成了一整套的工业应用体系，取得了良好的经济效益。 |
| 9. | Based on its special geological and mining conditions of qidong colliery , the cause of water bursting of loose aquifer in the 4th lineage in 7 ( subscript 1 ) 14 full - mechanized mining face of the first mining area was analyzed and technology method of preventing the 4th loose aquifer was discussed according to the occurrence characteristics of loose aquifer and damage characteristics of overburden rock in 7 ( subscript 1 ) coal seam
摘要根据祁东煤矿特殊的地质采矿条件，结合松散含水层赋存特征及7 (下标1 )煤层覆岩破坏特点，分析了一采区7 (下标1 ) 14综采工作面第四系松散含水层出水的原因，探讨了防治四含水的技术途径。 |
