1、

The results show that the EME memory effect electro-mechanical coupling model of coal or rock containing gas primely reflects the characteristic laws and microcosmic damage mechanism of EME memory effect during deformation and fracture of coal or rock.

结果表明,含瓦斯煤岩变形破坏电磁辐射记忆效应力电耦合模型很好地反映了煤岩变形破坏电磁辐射记忆效应特征规律和微观损伤机理。

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2、

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;

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3、

The coal engenders EME in the process of it's deformation on the effect of stress concentration, the deformation fracture of the coal is more fierceness, the generate stress gets more strong and the EME gets more.

煤体在应力集中带作用下产生屈服变形的过程中会产生电磁辐射,产生的应力越高,煤体变形破裂越剧烈,向外辐射的电磁辐射信号就越强。

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4、

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。

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5、

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。

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6、

dynamic tendency and eme critical value of seam and rock in deep mining section

电磁辐射测定深部煤岩动力倾向性临界值

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7、

Proved by long time prevention work and scientific research that coal and gas outburst takes place suddenly but has a lot of auguries including EME before outburst.

长期的防治工作和科学研究表明,煤与瓦斯突出虽然是突发性的,但在突出前均有前兆显现,其中电磁辐射就是前兆之一。

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