...声发射计数；声发射能量 [gap=1828]keywords: mining engineering;sandstone;loaded mode;acoustic emission (ae);acoustic emission counts;acoustic emission energy ..
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声发射计数率峰值与应力水平有关，峰值的次数与破坏后主裂缝的条数相对应。
The peak value of acoustic emission counts rate depends on stress state; and the amount of peak value is equal to that of major crack after failure.
方法测定2 0只豚鼠听性脑干反应（ABR）阈和畸变产物耳声发射（DPOAE）振幅，观察耳蜗毛细胞静纤毛变异形态，计数变异的毛细胞数目。
Methods Auditory brainstem response(ABR)and otoacoustic emission of distortion products(DPOAE)were assayed to 20 guinea pigs, then variant hair cells were observed and counted.
在热震损伤材料的SENB抗弯试验中采用了声发射技术。一般说来，热震损伤程度越严重则声发射总计数越多。
The technique of acoustic emission has been employed in the SENB bending test for the thermal damaged materials.
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