| 1. | Application of waveguide optics technology in underground pressure research 导波光学技术在矿山压力研究中应用 |
| 2. | Increase output of the fully mechanized top - coal caving face by using the law of underground pressure 利用矿压规律提高综放工作面单产 |
| 3. | Analyzing to the phenomenon of underground pressure and the stress of surrounding rock in roadway protecting pillar 大煤柱护巷矿压显现规律及围岩应力实测分析 |
| 4. | The communication between the communication extension and every underground pressure extension uses rs - 485 interface 通讯分机与井下各压力分机的通讯采用rs - 485接口。 |
| 5. | Through the technique to the blot - inject support in the soft rock of tucheng mine and the district of roof extremely falls in pieces to carry on experiment , carry on to measure and statistics for the relevant index to the underground pressure , combine the comprehensive analysis , it confirm the usefulness and the economy of the blot - inject support in soft rock entry 摘要通过对锚注支护技术在土城矿软岩及顶板极为破碎地带进行试验,对有关矿压指标进行了测量统计,并综合分析,证实了锚注支护在软岩巷道中的有效性和经济性。 |
| 6. | According to the underground pressure distribution rule and the separation control function of drainage borehole , the shallow hole drainage technology is studied and tested by using the characteristic that the gas permeability may have an obvious increase after mining in front of the working face , obtaining some useful parameters , showing that the technology is feasible and credible 根据矿山压力分布规律和抽放钻孔的隔断控制作用,并利用工作面前方煤体受采动卸压后透气性显著提高这一特性,研究并试验了却压区浅孔抽放技术,获得了该抽放技术的工艺参数。 |