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- The electromagnetic radiation(EMR) technology can forecast coal or rock dynamic disaster,such as coal and gas outburst,rock burst etc. 煤岩电磁辐射监测技术可以预测、预报矿井冲击地压和煤与瓦斯突出等煤岩动力灾害。
- Electromagnetic radiation detector of coal or rock dynamic disasters and its application 煤岩动力灾害电磁辐射监测仪及其应用
- coal or rock dynamic disasters 煤岩动力灾害
- coal or rock dynamic disaster 煤岩动力灾害
- STUDY AND APPLICATION OF COUPLING BETWEEN EME AND STRESS IN ELECTRO-MAGNETICAL EMISSION PREDICTION TECHNOLOGY FOR COAL OR ROCK DYNAMICAL DISASTER 煤岩动力灾害电磁辐射预测技术中力电耦合方法的研究及应用
- coal or rock dynamic catastrophes 煤岩动力灾害
- Keywords rock mechanics;rock or coal dynamical disasters;forecast technology;coupling between EME and stress;electro-magnetic emission（EME）;deformation and fracture of coal or rock; 岩石力学;煤岩动力灾害;预测技术;力电耦合;电磁辐射（EME）;煤岩变形破裂;
- The rules and effect of power sound wave (PSW) on porosity and permeation of coal or rock were analyzed. 分析了功率声波对煤岩介质孔隙率和渗透率的影响规律及作用机理。
- The characteristics of memory effect of electromagnetic radiation (EMR) during the fracture of coal or rock in different loaded ways are studied. 通过实验研究了不同加载方式下的煤岩破坏电磁辐射记忆效应特性;
- By means of the theory of meso-scopic damage mechanics and electromagnetic dynamics, the mechanism of damage extend of coal or rock inside structure and producing EMR are studied. 借助细观损伤力学和电磁动力学等理论,对煤岩内部结构损伤扩展及电磁辐射产生机制进行了分析。
- The removing of noises is very important for analyzing EME rules of coal or rock and the accuracy of forecasting the dynamical catastrophes with EMR monitoring technology. 噪声滤除对于分析煤岩电磁辐射信号规律具有重要的意义，可以为现场利用电磁辐射监测技术预测煤岩动力灾害现象提供更加准确可靠的信号。
- As a result great numbers of vertical and horizontal crannies were produced and the permeability of the pressure-relief coal or rock strata increased greatly than before. 同时也导致了水平位移的产生，形成了丰富的竖向裂隙，从而使煤（岩）体的渗透性得到极大的提高。
- The influence of electrical parameters of coal or rock upon EMR and the propagating pattern of EMR pulse signal in compound rock-coal strata have been studied. 研究了煤、岩石或矿石的电性参数对电磁辐射的影响，研究了电磁辐射脉冲信号在煤岩层中的传播规律。
- The irreversibility of coal or rock EME process is the direct reason why EME during the deformation and fracture of coal or rock has memory effect. 煤岩损伤破坏过程的不可逆决定了电磁辐射过程的不可逆，电磁辐射过程的不可逆是煤岩变形破坏电磁辐射记忆效应的直接原因。
- Electromagnetic emission(EME) can be produced during the deformation &fracture process of coal or rock and EME signals may easily be disturbed by electromagnetic noises. 重点分析了实验室实验过程噪声的来源和特征,并利用小波变换的多尺度分析和非线性软门限方法对噪声进行了滤除。
- The smoldering coal or ash of a dying fire. 余烬将要熄灭的火中的冒着烟的煤块或灰烬
- An organic derivative, such as coal or petroleum. 有机衍生物一种有机衍生物，如煤或石油
- Then the energy transformation relation between EME signal and stress fields in the course of deformation and failure of the coal or rock is researched on the basis of experimental testing results. 从能量转换的角度来研究煤岩变形破裂电磁辐射与应力之间的关系是可行的。
- On the basis of Maxwell's equations, the propagation rule of EME(electromagnetic emission) radiated from coal or rock in the course of rock-burst is studied and analyzed theoretically. 基于麦克斯韦方程,本文对岩爆过程中产生的电磁辐射在煤层、岩石中的传播规律进行了理论计算。
- A small opening, as in a wall or rock face; a crevice. 裂缝，裂口在墙壁或石头等上面的小开口; 裂缝
