Intensity variation of electromagnetic emission ( EME) of the rock masses with joints under stress wave action 应力波作用下节理面前后电磁辐射强度的变化
Application of coupling between EME and energy dissipation during deformation and fracture of coal-rock mass 煤岩体破坏过程中电磁辐射与能量耗散耦合分析
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。
Research on Prediction of Coal and Gas Outburst by Means of EME Based on Self-memorization Model 基于自记忆模型的煤与瓦斯突出电磁辐射预测研究
Since the Asian financial crisis, strong and increasingly prevalent views have eme. 东南亚危机之后,出现越来越多的观点认为:银行功能不足,经济发展应依靠资本市场。
Activity Manager ( AM), to schedule execution of MML files, system command files, EME scripts, or OPS scripts. 计划执行MML文件,系统命令文件,EME脚本文件或OPS脚本文件。
To Discuss the Application of Dance Language with the eme Movement of "Chinese Moms" as an Example 以《中国妈妈》的主题动作为例谈舞蹈动作语言的运用
Objective: To observe the side effect of d eme thyl-vancomycin for clinical application. 目的:观察盐酸去甲万古霉素的不良反应,以便临床应用。
The antennas can produce large amounts, Application of coupling between EME and energy dissipation during deformation and fracture of coal-rock mass 同时产生大量的电磁波辐射煤岩体破坏过程中电磁辐射与能量耗散耦合分析
Simultaneously, electromagnetic emission ( EME) is used to check out the effect of eliminating or reducing the danger of rock bursts. 同时利用电磁辐射检验强度弱化治理效果,以达到消除或降低冲击危险的目的。
Research on the effect of the influence of confining pressure on EME during the deformation and fracture of coal or rock mono-axial compressed 单轴压缩煤岩变形破裂电磁辐射围压效应研究
And the effects of parameters such as joint deformation and incident frequency of wave on the intensity variation of EME were investigated. 同时,研究节理的变形和入射波频率对电磁辐射强度的影响。
EME occurred when inhomogeneous coal or rock is loaded at uneven speed with the moving of internal electrical charges during the development of cracks. 煤岩体的电磁辐射是由于非均质煤岩体在应力作用下非均匀变速变形及裂纹形成与扩展过程中,内部电荷的迁移而产生。
Additionally, it had marker beacons and ADF and DME receivers. 除此之外,该飞机还配备了信标台、自动定向仪(ADF)和EME接收机。
The higher the coal and roof rock strength of compound sample is, the intensity AE& EME signals produced by the deformation and fracture is. 组合试样中煤样及顶板岩样的强度越高,则变形破裂产生的声发射与电磁辐射信号越强。
The consignee should fetch the EMS at P.M.4 each day; I should record the quantity each day and keep the EME original. 取件人每天下午四点左右来取件,除保留EMS底单外,还对每天所取函件的数量进行登记。
The EME of rock is of positive relevance with the load and memory effect. 电磁辐射与载荷呈现正相关性;岩石电磁辐射具有记忆效应;
The effect rule and mechanism of gas on electromagnetic emission ( EME) and the principle of predicting coal and gas outburst with EME were investigated. 研究了瓦斯对电磁辐射(EME)的影响规律及影响机制,对电磁辐射法预测煤与瓦斯突出原理进行了探讨。
EME signals showed the same changing rule as the stress. EME信号呈现出与煤岩内部应力变化相同的规律;
The biggest intensity of EME is of positive relevance with strength of rock during the loading process. 在受载过程中最大电磁辐射强度与岩石强度间呈现正相关性。
Electromagnetic Emission ( EME) phenomena during the deforming and fracturing of coal body containing gas is experimentally studied, and the relation between EME and acoustic emission ( AE) considered. 实验研究了含瓦斯煤体变形破裂时产生的电磁辐射现象,并考察了电磁辐射与声发射的关系。
Design of broadband EME measurement and analysis system 宽带EME监测和分析系统的设计与实现
The determined method of the critical values and dynamic trend coefficient of electromagnetic emission ( EME) forecasting coal and gas outburst and rock burst was attained according to stress-electricity coupling model of coal or rock, different characteristics of both disasters and lots of data measuring in situ. 利用煤岩破坏力电耦合模型、煤与瓦斯突出和冲击矿压发生的不同特点及现场测试的大量数据,得到了两种灾害的电磁辐射预警临界值系数和动态变化趋势系数的确定方法。
Studies show that EME usually becomes stronger with the increase of load and the rate of deformation. 研究表明,电磁辐射基本上随着加载及变形速率的增加而增强;
The effective AE ( acoustic emission)& EME ( electromagnetic emission) signals are determined, and the noises eliminated by referring to the relationship between the risetime and duration of the signal. 采用声发射(AE)和电磁辐射(EME)信号上升沿时间和持续时间的关系,排除噪音等的影响,确定有效信号;
Based on the laboratory experiment, theoretical analysis and numerical simulation, the coupling laws between electromagnetic emission ( EME) intensity and stress fields during the deformation and fracture of coal and rock in uniaxial compression are researched in this paper. 利用实验研究、理论分析和数值模拟相结合的方法,研究了单轴压缩条件下煤岩变形破裂过程中产生的电磁辐射(EME)强度与煤岩内部应力之间的耦合规律。
Based on traits of EME, home scholars have proposed non-contact EME forecast technique. 国内学者根据电磁辐射特性提出了非接触式电磁辐射预测技术,可以有效地预测煤岩动力灾害。
It realized an EME dynamic trend prediction of the danger of coal and gas outburst. 实现了煤与瓦斯突出危险性的电磁辐射动态趋势预测。
Features of EME model based control were studied through an analysis of the EME model of closed-loop system. 从闭环系统的平衡流形展开模型的角度研究了基于对象平衡流形展开模型的控制特点。
Thirdly, the EME model based approximate feedback linearization control was studied. 再次,研究了基于平衡流形展开模型的近似反馈线性化控制方法。